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 | { |
Stephen Warren | 00b317a | 2011-04-01 14:50:44 -0600 | [diff] [blame] | 95 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
| 96 | int regsize = codec->driver->reg_word_size * 2; |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 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 | |
Stephen Warren | 00b317a | 2011-04-01 14:50:44 -0600 | [diff] [blame] | 135 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
| 136 | regsize = codec->driver->reg_word_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); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 262 | while (*start == ' ') |
| 263 | start++; |
| 264 | if (strict_strtoul(start, 16, &value)) |
| 265 | return -EINVAL; |
Mark Brown | 0d51a9c | 2011-01-06 16:04:57 +0000 | [diff] [blame] | 266 | |
| 267 | /* Userspace has been fiddling around behind the kernel's back */ |
| 268 | add_taint(TAINT_USER); |
| 269 | |
Dimitris Papastamos | e4f078d | 2010-12-07 16:30:38 +0000 | [diff] [blame] | 270 | snd_soc_write(codec, reg, value); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 271 | return buf_size; |
| 272 | } |
| 273 | |
| 274 | static const struct file_operations codec_reg_fops = { |
| 275 | .open = codec_reg_open_file, |
| 276 | .read = codec_reg_read_file, |
| 277 | .write = codec_reg_write_file, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 278 | .llseek = default_llseek, |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 279 | }; |
| 280 | |
| 281 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) |
| 282 | { |
Jarkko Nikula | d6ce4cf | 2010-11-05 20:35:20 +0200 | [diff] [blame] | 283 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
| 284 | |
| 285 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, |
| 286 | debugfs_card_root); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 287 | if (!codec->debugfs_codec_root) { |
| 288 | printk(KERN_WARNING |
| 289 | "ASoC: Failed to create codec debugfs directory\n"); |
| 290 | return; |
| 291 | } |
| 292 | |
Mark Brown | aaee8ef | 2011-01-26 20:53:50 +0000 | [diff] [blame] | 293 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
| 294 | &codec->cache_sync); |
| 295 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, |
| 296 | &codec->cache_only); |
| 297 | |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 298 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
| 299 | codec->debugfs_codec_root, |
| 300 | codec, &codec_reg_fops); |
| 301 | if (!codec->debugfs_reg) |
| 302 | printk(KERN_WARNING |
| 303 | "ASoC: Failed to create codec register debugfs file\n"); |
| 304 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 305 | codec->dapm.debugfs_dapm = debugfs_create_dir("dapm", |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 306 | codec->debugfs_codec_root); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 307 | if (!codec->dapm.debugfs_dapm) |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 308 | printk(KERN_WARNING |
| 309 | "Failed to create DAPM debugfs directory\n"); |
| 310 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 311 | snd_soc_dapm_debugfs_init(&codec->dapm); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) |
| 315 | { |
| 316 | debugfs_remove_recursive(codec->debugfs_codec_root); |
| 317 | } |
| 318 | |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 319 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
| 320 | size_t count, loff_t *ppos) |
| 321 | { |
| 322 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 323 | ssize_t len, ret = 0; |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 324 | struct snd_soc_codec *codec; |
| 325 | |
| 326 | if (!buf) |
| 327 | return -ENOMEM; |
| 328 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 329 | list_for_each_entry(codec, &codec_list, list) { |
| 330 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", |
| 331 | codec->name); |
| 332 | if (len >= 0) |
| 333 | ret += len; |
| 334 | if (ret > PAGE_SIZE) { |
| 335 | ret = PAGE_SIZE; |
| 336 | break; |
| 337 | } |
| 338 | } |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 339 | |
| 340 | if (ret >= 0) |
| 341 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
| 342 | |
| 343 | kfree(buf); |
| 344 | |
| 345 | return ret; |
| 346 | } |
| 347 | |
| 348 | static const struct file_operations codec_list_fops = { |
| 349 | .read = codec_list_read_file, |
| 350 | .llseek = default_llseek,/* read accesses f_pos */ |
| 351 | }; |
| 352 | |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 353 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
| 354 | size_t count, loff_t *ppos) |
| 355 | { |
| 356 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 357 | ssize_t len, ret = 0; |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 358 | struct snd_soc_dai *dai; |
| 359 | |
| 360 | if (!buf) |
| 361 | return -ENOMEM; |
| 362 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 363 | list_for_each_entry(dai, &dai_list, list) { |
| 364 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); |
| 365 | if (len >= 0) |
| 366 | ret += len; |
| 367 | if (ret > PAGE_SIZE) { |
| 368 | ret = PAGE_SIZE; |
| 369 | break; |
| 370 | } |
| 371 | } |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 372 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 373 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 374 | |
| 375 | kfree(buf); |
| 376 | |
| 377 | return ret; |
| 378 | } |
| 379 | |
| 380 | static const struct file_operations dai_list_fops = { |
| 381 | .read = dai_list_read_file, |
| 382 | .llseek = default_llseek,/* read accesses f_pos */ |
| 383 | }; |
| 384 | |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 385 | static ssize_t platform_list_read_file(struct file *file, |
| 386 | char __user *user_buf, |
| 387 | size_t count, loff_t *ppos) |
| 388 | { |
| 389 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 390 | ssize_t len, ret = 0; |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 391 | struct snd_soc_platform *platform; |
| 392 | |
| 393 | if (!buf) |
| 394 | return -ENOMEM; |
| 395 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 396 | list_for_each_entry(platform, &platform_list, list) { |
| 397 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", |
| 398 | platform->name); |
| 399 | if (len >= 0) |
| 400 | ret += len; |
| 401 | if (ret > PAGE_SIZE) { |
| 402 | ret = PAGE_SIZE; |
| 403 | break; |
| 404 | } |
| 405 | } |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 406 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 407 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 408 | |
| 409 | kfree(buf); |
| 410 | |
| 411 | return ret; |
| 412 | } |
| 413 | |
| 414 | static const struct file_operations platform_list_fops = { |
| 415 | .read = platform_list_read_file, |
| 416 | .llseek = default_llseek,/* read accesses f_pos */ |
| 417 | }; |
| 418 | |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 419 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
| 420 | { |
| 421 | card->debugfs_card_root = debugfs_create_dir(card->name, |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 422 | snd_soc_debugfs_root); |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 423 | if (!card->debugfs_card_root) { |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 424 | dev_warn(card->dev, |
| 425 | "ASoC: Failed to create codec debugfs directory\n"); |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 426 | return; |
| 427 | } |
| 428 | |
| 429 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, |
| 430 | card->debugfs_card_root, |
| 431 | &card->pop_time); |
| 432 | if (!card->debugfs_pop_time) |
| 433 | dev_warn(card->dev, |
| 434 | "Failed to create pop time debugfs file\n"); |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 435 | } |
| 436 | |
| 437 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) |
| 438 | { |
| 439 | debugfs_remove_recursive(card->debugfs_card_root); |
| 440 | } |
| 441 | |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 442 | #else |
| 443 | |
| 444 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) |
| 445 | { |
| 446 | } |
| 447 | |
| 448 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) |
| 449 | { |
| 450 | } |
Axel Lin | b95fccb | 2010-11-09 17:06:44 +0800 | [diff] [blame] | 451 | |
| 452 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
| 453 | { |
| 454 | } |
| 455 | |
| 456 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) |
| 457 | { |
| 458 | } |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 459 | #endif |
| 460 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 461 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 462 | /* unregister ac97 codec */ |
| 463 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) |
| 464 | { |
| 465 | if (codec->ac97->dev.bus) |
| 466 | device_unregister(&codec->ac97->dev); |
| 467 | return 0; |
| 468 | } |
| 469 | |
| 470 | /* stop no dev release warning */ |
| 471 | static void soc_ac97_device_release(struct device *dev){} |
| 472 | |
| 473 | /* register ac97 codec to bus */ |
| 474 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) |
| 475 | { |
| 476 | int err; |
| 477 | |
| 478 | codec->ac97->dev.bus = &ac97_bus_type; |
Mark Brown | 4ac5c61 | 2009-04-01 19:35:01 +0100 | [diff] [blame] | 479 | codec->ac97->dev.parent = codec->card->dev; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 480 | codec->ac97->dev.release = soc_ac97_device_release; |
| 481 | |
Kay Sievers | bb072bf | 2008-11-02 03:50:35 +0100 | [diff] [blame] | 482 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 483 | codec->card->snd_card->number, 0, codec->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 484 | err = device_register(&codec->ac97->dev); |
| 485 | if (err < 0) { |
| 486 | snd_printk(KERN_ERR "Can't register ac97 bus\n"); |
| 487 | codec->ac97->dev.bus = NULL; |
| 488 | return err; |
| 489 | } |
| 490 | return 0; |
| 491 | } |
| 492 | #endif |
| 493 | |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 494 | static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream) |
| 495 | { |
| 496 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 497 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 498 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 499 | int ret; |
| 500 | |
Mark Brown | 4f333b2 | 2011-03-08 00:11:15 +0000 | [diff] [blame] | 501 | if (!codec_dai->driver->symmetric_rates && |
| 502 | !cpu_dai->driver->symmetric_rates && |
| 503 | !rtd->dai_link->symmetric_rates) |
| 504 | return 0; |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 505 | |
Mark Brown | c4ef878 | 2011-03-08 00:17:56 +0000 | [diff] [blame] | 506 | /* This can happen if multiple streams are starting simultaneously - |
| 507 | * the second can need to get its constraints before the first has |
| 508 | * picked a rate. Complain and allow the application to carry on. |
| 509 | */ |
| 510 | if (!rtd->rate) { |
| 511 | dev_warn(&rtd->dev, |
| 512 | "Not enforcing symmetric_rates due to race\n"); |
| 513 | return 0; |
| 514 | } |
| 515 | |
Mark Brown | 4f333b2 | 2011-03-08 00:11:15 +0000 | [diff] [blame] | 516 | dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n", rtd->rate); |
| 517 | |
| 518 | ret = snd_pcm_hw_constraint_minmax(substream->runtime, |
| 519 | SNDRV_PCM_HW_PARAM_RATE, |
| 520 | rtd->rate, rtd->rate); |
| 521 | if (ret < 0) { |
| 522 | dev_err(&rtd->dev, |
| 523 | "Unable to apply rate symmetry constraint: %d\n", ret); |
| 524 | return ret; |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | return 0; |
| 528 | } |
| 529 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 530 | /* |
| 531 | * Called by ALSA when a PCM substream is opened, the runtime->hw record is |
| 532 | * then initialized and any private data can be allocated. This also calls |
| 533 | * startup for the cpu DAI, platform, machine and codec DAI. |
| 534 | */ |
| 535 | static int soc_pcm_open(struct snd_pcm_substream *substream) |
| 536 | { |
| 537 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 538 | struct snd_pcm_runtime *runtime = substream->runtime; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 539 | struct snd_soc_platform *platform = rtd->platform; |
| 540 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 541 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 542 | struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver; |
| 543 | struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 544 | int ret = 0; |
| 545 | |
| 546 | mutex_lock(&pcm_mutex); |
| 547 | |
| 548 | /* startup the audio subsystem */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 549 | if (cpu_dai->driver->ops->startup) { |
| 550 | ret = cpu_dai->driver->ops->startup(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 551 | if (ret < 0) { |
| 552 | printk(KERN_ERR "asoc: can't open interface %s\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 553 | cpu_dai->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 554 | goto out; |
| 555 | } |
| 556 | } |
| 557 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 558 | if (platform->driver->ops->open) { |
| 559 | ret = platform->driver->ops->open(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 560 | if (ret < 0) { |
| 561 | printk(KERN_ERR "asoc: can't open platform %s\n", platform->name); |
| 562 | goto platform_err; |
| 563 | } |
| 564 | } |
| 565 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 566 | if (codec_dai->driver->ops->startup) { |
| 567 | ret = codec_dai->driver->ops->startup(substream, codec_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 568 | if (ret < 0) { |
| 569 | printk(KERN_ERR "asoc: can't open codec %s\n", |
| 570 | codec_dai->name); |
| 571 | goto codec_dai_err; |
| 572 | } |
| 573 | } |
| 574 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 575 | if (rtd->dai_link->ops && rtd->dai_link->ops->startup) { |
| 576 | ret = rtd->dai_link->ops->startup(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 577 | if (ret < 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 578 | printk(KERN_ERR "asoc: %s startup failed\n", rtd->dai_link->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 579 | goto machine_err; |
| 580 | } |
| 581 | } |
| 582 | |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 583 | /* Check that the codec and cpu DAIs are compatible */ |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 584 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 585 | runtime->hw.rate_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 586 | max(codec_dai_drv->playback.rate_min, |
| 587 | cpu_dai_drv->playback.rate_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 588 | runtime->hw.rate_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 589 | min(codec_dai_drv->playback.rate_max, |
| 590 | cpu_dai_drv->playback.rate_max); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 591 | runtime->hw.channels_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 592 | max(codec_dai_drv->playback.channels_min, |
| 593 | cpu_dai_drv->playback.channels_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 594 | runtime->hw.channels_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 595 | min(codec_dai_drv->playback.channels_max, |
| 596 | cpu_dai_drv->playback.channels_max); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 597 | runtime->hw.formats = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 598 | codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats; |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 599 | runtime->hw.rates = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 600 | codec_dai_drv->playback.rates & cpu_dai_drv->playback.rates; |
| 601 | if (codec_dai_drv->playback.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 602 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 603 | runtime->hw.rates |= cpu_dai_drv->playback.rates; |
| 604 | if (cpu_dai_drv->playback.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 605 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 606 | runtime->hw.rates |= codec_dai_drv->playback.rates; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 607 | } else { |
| 608 | runtime->hw.rate_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 609 | max(codec_dai_drv->capture.rate_min, |
| 610 | cpu_dai_drv->capture.rate_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 611 | runtime->hw.rate_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 612 | min(codec_dai_drv->capture.rate_max, |
| 613 | cpu_dai_drv->capture.rate_max); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 614 | runtime->hw.channels_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 615 | max(codec_dai_drv->capture.channels_min, |
| 616 | cpu_dai_drv->capture.channels_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 617 | runtime->hw.channels_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 618 | min(codec_dai_drv->capture.channels_max, |
| 619 | cpu_dai_drv->capture.channels_max); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 620 | runtime->hw.formats = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 621 | codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats; |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 622 | runtime->hw.rates = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 623 | codec_dai_drv->capture.rates & cpu_dai_drv->capture.rates; |
| 624 | if (codec_dai_drv->capture.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 625 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 626 | runtime->hw.rates |= cpu_dai_drv->capture.rates; |
| 627 | if (cpu_dai_drv->capture.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 628 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 629 | runtime->hw.rates |= codec_dai_drv->capture.rates; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 630 | } |
| 631 | |
Lu Guanqun | c51def6 | 2011-04-06 23:25:21 +0800 | [diff] [blame] | 632 | ret = -EINVAL; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 633 | snd_pcm_limit_hw_rates(runtime); |
| 634 | if (!runtime->hw.rates) { |
| 635 | printk(KERN_ERR "asoc: %s <-> %s No matching rates\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 636 | codec_dai->name, cpu_dai->name); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 637 | goto config_err; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 638 | } |
| 639 | if (!runtime->hw.formats) { |
| 640 | printk(KERN_ERR "asoc: %s <-> %s No matching formats\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 641 | codec_dai->name, cpu_dai->name); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 642 | goto config_err; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 643 | } |
Lu Guanqun | b04cfcf | 2011-04-06 23:25:11 +0800 | [diff] [blame] | 644 | if (!runtime->hw.channels_min || !runtime->hw.channels_max || |
| 645 | runtime->hw.channels_min > runtime->hw.channels_max) { |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 646 | printk(KERN_ERR "asoc: %s <-> %s No matching channels\n", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 647 | codec_dai->name, cpu_dai->name); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 648 | goto config_err; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 649 | } |
| 650 | |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 651 | /* Symmetry only applies if we've already got an active stream. */ |
| 652 | if (cpu_dai->active || codec_dai->active) { |
| 653 | ret = soc_pcm_apply_symmetry(substream); |
| 654 | if (ret != 0) |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 655 | goto config_err; |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 656 | } |
| 657 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 658 | pr_debug("asoc: %s <-> %s info:\n", |
| 659 | codec_dai->name, cpu_dai->name); |
Mark Brown | f24368c | 2008-10-21 21:45:08 +0100 | [diff] [blame] | 660 | pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates); |
| 661 | pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min, |
| 662 | runtime->hw.channels_max); |
| 663 | pr_debug("asoc: min rate %d max rate %d\n", runtime->hw.rate_min, |
| 664 | runtime->hw.rate_max); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 665 | |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 666 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 667 | cpu_dai->playback_active++; |
| 668 | codec_dai->playback_active++; |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 669 | } else { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 670 | cpu_dai->capture_active++; |
| 671 | codec_dai->capture_active++; |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 672 | } |
| 673 | cpu_dai->active++; |
| 674 | codec_dai->active++; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 675 | rtd->codec->active++; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 676 | mutex_unlock(&pcm_mutex); |
| 677 | return 0; |
| 678 | |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 679 | config_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 680 | if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown) |
| 681 | rtd->dai_link->ops->shutdown(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 682 | |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 683 | machine_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 684 | if (codec_dai->driver->ops->shutdown) |
| 685 | codec_dai->driver->ops->shutdown(substream, codec_dai); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 686 | |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 687 | codec_dai_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 688 | if (platform->driver->ops->close) |
| 689 | platform->driver->ops->close(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 690 | |
| 691 | platform_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 692 | if (cpu_dai->driver->ops->shutdown) |
| 693 | cpu_dai->driver->ops->shutdown(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 694 | out: |
| 695 | mutex_unlock(&pcm_mutex); |
| 696 | return ret; |
| 697 | } |
| 698 | |
| 699 | /* |
Robert P. J. Day | 3a4fa0a | 2007-10-19 23:10:43 +0200 | [diff] [blame] | 700 | * Power down the audio subsystem pmdown_time msecs after close is called. |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 701 | * This is to ensure there are no pops or clicks in between any music tracks |
| 702 | * due to DAPM power cycling. |
| 703 | */ |
Andrew Morton | 4484bb2 | 2006-12-15 09:30:07 +0100 | [diff] [blame] | 704 | static void close_delayed_work(struct work_struct *work) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 705 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 706 | struct snd_soc_pcm_runtime *rtd = |
| 707 | container_of(work, struct snd_soc_pcm_runtime, delayed_work.work); |
| 708 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 709 | |
| 710 | mutex_lock(&pcm_mutex); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 711 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 712 | pr_debug("pop wq checking: %s status: %s waiting: %s\n", |
| 713 | codec_dai->driver->playback.stream_name, |
| 714 | codec_dai->playback_active ? "active" : "inactive", |
| 715 | codec_dai->pop_wait ? "yes" : "no"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 716 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 717 | /* are we waiting on this codec DAI stream */ |
| 718 | if (codec_dai->pop_wait == 1) { |
| 719 | codec_dai->pop_wait = 0; |
| 720 | snd_soc_dapm_stream_event(rtd, |
| 721 | codec_dai->driver->playback.stream_name, |
| 722 | SND_SOC_DAPM_STREAM_STOP); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 723 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 724 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 725 | mutex_unlock(&pcm_mutex); |
| 726 | } |
| 727 | |
| 728 | /* |
| 729 | * Called by ALSA when a PCM substream is closed. Private data can be |
| 730 | * freed here. The cpu DAI, codec DAI, machine and platform are also |
| 731 | * shutdown. |
| 732 | */ |
| 733 | static int soc_codec_close(struct snd_pcm_substream *substream) |
| 734 | { |
| 735 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 736 | struct snd_soc_platform *platform = rtd->platform; |
| 737 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 738 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 739 | struct snd_soc_codec *codec = rtd->codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 740 | |
| 741 | mutex_lock(&pcm_mutex); |
| 742 | |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 743 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 744 | cpu_dai->playback_active--; |
| 745 | codec_dai->playback_active--; |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 746 | } else { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 747 | cpu_dai->capture_active--; |
| 748 | codec_dai->capture_active--; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 749 | } |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 750 | |
| 751 | cpu_dai->active--; |
| 752 | codec_dai->active--; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 753 | codec->active--; |
| 754 | |
Mark Brown | 6010b2d | 2008-09-06 18:33:24 +0100 | [diff] [blame] | 755 | /* Muting the DAC suppresses artifacts caused during digital |
| 756 | * shutdown, for example from stopping clocks. |
| 757 | */ |
| 758 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 759 | snd_soc_dai_digital_mute(codec_dai, 1); |
| 760 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 761 | if (cpu_dai->driver->ops->shutdown) |
| 762 | cpu_dai->driver->ops->shutdown(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 763 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 764 | if (codec_dai->driver->ops->shutdown) |
| 765 | codec_dai->driver->ops->shutdown(substream, codec_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 766 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 767 | if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown) |
| 768 | rtd->dai_link->ops->shutdown(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 769 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 770 | if (platform->driver->ops->close) |
| 771 | platform->driver->ops->close(substream); |
| 772 | cpu_dai->runtime = NULL; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 773 | |
| 774 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 775 | /* start delayed pop wq here for playback streams */ |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 776 | codec_dai->pop_wait = 1; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 777 | schedule_delayed_work(&rtd->delayed_work, |
| 778 | msecs_to_jiffies(rtd->pmdown_time)); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 779 | } else { |
| 780 | /* capture streams can be powered down now */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 781 | snd_soc_dapm_stream_event(rtd, |
| 782 | codec_dai->driver->capture.stream_name, |
Liam Girdwood | 0b4d221 | 2008-01-10 14:36:20 +0100 | [diff] [blame] | 783 | SND_SOC_DAPM_STREAM_STOP); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 784 | } |
| 785 | |
| 786 | mutex_unlock(&pcm_mutex); |
| 787 | return 0; |
| 788 | } |
| 789 | |
| 790 | /* |
| 791 | * Called by ALSA when the PCM substream is prepared, can set format, sample |
| 792 | * rate, etc. This function is non atomic and can be called multiple times, |
| 793 | * it can refer to the runtime info. |
| 794 | */ |
| 795 | static int soc_pcm_prepare(struct snd_pcm_substream *substream) |
| 796 | { |
| 797 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 798 | struct snd_soc_platform *platform = rtd->platform; |
| 799 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 800 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 801 | int ret = 0; |
| 802 | |
| 803 | mutex_lock(&pcm_mutex); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 804 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 805 | if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) { |
| 806 | ret = rtd->dai_link->ops->prepare(substream); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 807 | if (ret < 0) { |
| 808 | printk(KERN_ERR "asoc: machine prepare error\n"); |
| 809 | goto out; |
| 810 | } |
| 811 | } |
| 812 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 813 | if (platform->driver->ops->prepare) { |
| 814 | ret = platform->driver->ops->prepare(substream); |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 815 | if (ret < 0) { |
| 816 | printk(KERN_ERR "asoc: platform prepare error\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 817 | goto out; |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 818 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 819 | } |
| 820 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 821 | if (codec_dai->driver->ops->prepare) { |
| 822 | ret = codec_dai->driver->ops->prepare(substream, codec_dai); |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 823 | if (ret < 0) { |
| 824 | printk(KERN_ERR "asoc: codec DAI prepare error\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 825 | goto out; |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 826 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 827 | } |
| 828 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 829 | if (cpu_dai->driver->ops->prepare) { |
| 830 | ret = cpu_dai->driver->ops->prepare(substream, cpu_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 831 | if (ret < 0) { |
| 832 | printk(KERN_ERR "asoc: cpu DAI prepare error\n"); |
| 833 | goto out; |
| 834 | } |
| 835 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 836 | |
Mark Brown | d45f621 | 2008-10-14 13:58:36 +0100 | [diff] [blame] | 837 | /* cancel any delayed stream shutdown that is pending */ |
| 838 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && |
| 839 | codec_dai->pop_wait) { |
| 840 | codec_dai->pop_wait = 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 841 | cancel_delayed_work(&rtd->delayed_work); |
Mark Brown | d45f621 | 2008-10-14 13:58:36 +0100 | [diff] [blame] | 842 | } |
| 843 | |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 844 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 845 | snd_soc_dapm_stream_event(rtd, |
| 846 | codec_dai->driver->playback.stream_name, |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 847 | SND_SOC_DAPM_STREAM_START); |
| 848 | else |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 849 | snd_soc_dapm_stream_event(rtd, |
| 850 | codec_dai->driver->capture.stream_name, |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 851 | SND_SOC_DAPM_STREAM_START); |
Mark Brown | d45f621 | 2008-10-14 13:58:36 +0100 | [diff] [blame] | 852 | |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 853 | snd_soc_dai_digital_mute(codec_dai, 0); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 854 | |
| 855 | out: |
| 856 | mutex_unlock(&pcm_mutex); |
| 857 | return ret; |
| 858 | } |
| 859 | |
| 860 | /* |
| 861 | * Called by ALSA when the hardware params are set by application. This |
| 862 | * function can also be called multiple times and can allocate buffers |
| 863 | * (using snd_pcm_lib_* ). It's non-atomic. |
| 864 | */ |
| 865 | static int soc_pcm_hw_params(struct snd_pcm_substream *substream, |
| 866 | struct snd_pcm_hw_params *params) |
| 867 | { |
| 868 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 869 | struct snd_soc_platform *platform = rtd->platform; |
| 870 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 871 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 872 | int ret = 0; |
| 873 | |
| 874 | mutex_lock(&pcm_mutex); |
| 875 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 876 | if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) { |
| 877 | ret = rtd->dai_link->ops->hw_params(substream, params); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 878 | if (ret < 0) { |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 879 | printk(KERN_ERR "asoc: machine hw_params failed\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 880 | goto out; |
| 881 | } |
| 882 | } |
| 883 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 884 | if (codec_dai->driver->ops->hw_params) { |
| 885 | ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 886 | if (ret < 0) { |
| 887 | printk(KERN_ERR "asoc: can't set codec %s hw params\n", |
| 888 | codec_dai->name); |
| 889 | goto codec_err; |
| 890 | } |
| 891 | } |
| 892 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 893 | if (cpu_dai->driver->ops->hw_params) { |
| 894 | ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 895 | if (ret < 0) { |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 896 | printk(KERN_ERR "asoc: interface %s hw params failed\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 897 | cpu_dai->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 898 | goto interface_err; |
| 899 | } |
| 900 | } |
| 901 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 902 | if (platform->driver->ops->hw_params) { |
| 903 | ret = platform->driver->ops->hw_params(substream, params); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 904 | if (ret < 0) { |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 905 | printk(KERN_ERR "asoc: platform %s hw params failed\n", |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 906 | platform->name); |
| 907 | goto platform_err; |
| 908 | } |
| 909 | } |
| 910 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 911 | rtd->rate = params_rate(params); |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 912 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 913 | out: |
| 914 | mutex_unlock(&pcm_mutex); |
| 915 | return ret; |
| 916 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 917 | platform_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 918 | if (cpu_dai->driver->ops->hw_free) |
| 919 | cpu_dai->driver->ops->hw_free(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 920 | |
| 921 | interface_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 922 | if (codec_dai->driver->ops->hw_free) |
| 923 | codec_dai->driver->ops->hw_free(substream, codec_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 924 | |
| 925 | codec_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 926 | if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) |
| 927 | rtd->dai_link->ops->hw_free(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 928 | |
| 929 | mutex_unlock(&pcm_mutex); |
| 930 | return ret; |
| 931 | } |
| 932 | |
| 933 | /* |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 934 | * Frees resources allocated by hw_params, can be called multiple times |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 935 | */ |
| 936 | static int soc_pcm_hw_free(struct snd_pcm_substream *substream) |
| 937 | { |
| 938 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 939 | struct snd_soc_platform *platform = rtd->platform; |
| 940 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 941 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 942 | struct snd_soc_codec *codec = rtd->codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 943 | |
| 944 | mutex_lock(&pcm_mutex); |
| 945 | |
| 946 | /* apply codec digital mute */ |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 947 | if (!codec->active) |
| 948 | snd_soc_dai_digital_mute(codec_dai, 1); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 949 | |
| 950 | /* free any machine hw params */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 951 | if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) |
| 952 | rtd->dai_link->ops->hw_free(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 953 | |
| 954 | /* free any DMA resources */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 955 | if (platform->driver->ops->hw_free) |
| 956 | platform->driver->ops->hw_free(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 957 | |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 958 | /* now free hw params for the DAIs */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 959 | if (codec_dai->driver->ops->hw_free) |
| 960 | codec_dai->driver->ops->hw_free(substream, codec_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 961 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 962 | if (cpu_dai->driver->ops->hw_free) |
| 963 | cpu_dai->driver->ops->hw_free(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 964 | |
| 965 | mutex_unlock(&pcm_mutex); |
| 966 | return 0; |
| 967 | } |
| 968 | |
| 969 | static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| 970 | { |
| 971 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 972 | struct snd_soc_platform *platform = rtd->platform; |
| 973 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 974 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 975 | int ret; |
| 976 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 977 | if (codec_dai->driver->ops->trigger) { |
| 978 | ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 979 | if (ret < 0) |
| 980 | return ret; |
| 981 | } |
| 982 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 983 | if (platform->driver->ops->trigger) { |
| 984 | ret = platform->driver->ops->trigger(substream, cmd); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 985 | if (ret < 0) |
| 986 | return ret; |
| 987 | } |
| 988 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 989 | if (cpu_dai->driver->ops->trigger) { |
| 990 | ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 991 | if (ret < 0) |
| 992 | return ret; |
| 993 | } |
| 994 | return 0; |
| 995 | } |
| 996 | |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 997 | /* |
| 998 | * soc level wrapper for pointer callback |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 999 | * If cpu_dai, codec_dai, platform driver has the delay callback, than |
| 1000 | * the runtime->delay will be updated accordingly. |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1001 | */ |
| 1002 | static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream) |
| 1003 | { |
| 1004 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1005 | struct snd_soc_platform *platform = rtd->platform; |
| 1006 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 1007 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1008 | struct snd_pcm_runtime *runtime = substream->runtime; |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1009 | snd_pcm_uframes_t offset = 0; |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1010 | snd_pcm_sframes_t delay = 0; |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1011 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1012 | if (platform->driver->ops->pointer) |
| 1013 | offset = platform->driver->ops->pointer(substream); |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1014 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1015 | if (cpu_dai->driver->ops->delay) |
| 1016 | delay += cpu_dai->driver->ops->delay(substream, cpu_dai); |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1017 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1018 | if (codec_dai->driver->ops->delay) |
| 1019 | delay += codec_dai->driver->ops->delay(substream, codec_dai); |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1020 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1021 | if (platform->driver->delay) |
| 1022 | delay += platform->driver->delay(substream, codec_dai); |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1023 | |
| 1024 | runtime->delay = delay; |
| 1025 | |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1026 | return offset; |
| 1027 | } |
| 1028 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1029 | /* ASoC PCM operations */ |
| 1030 | static struct snd_pcm_ops soc_pcm_ops = { |
| 1031 | .open = soc_pcm_open, |
| 1032 | .close = soc_codec_close, |
| 1033 | .hw_params = soc_pcm_hw_params, |
| 1034 | .hw_free = soc_pcm_hw_free, |
| 1035 | .prepare = soc_pcm_prepare, |
| 1036 | .trigger = soc_pcm_trigger, |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1037 | .pointer = soc_pcm_pointer, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1038 | }; |
| 1039 | |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1040 | #ifdef CONFIG_PM_SLEEP |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1041 | /* powers down audio subsystem for suspend */ |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1042 | int snd_soc_suspend(struct device *dev) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1043 | { |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1044 | struct snd_soc_card *card = dev_get_drvdata(dev); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1045 | struct snd_soc_codec *codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1046 | int i; |
| 1047 | |
Daniel Mack | e3509ff | 2009-06-03 17:44:49 +0200 | [diff] [blame] | 1048 | /* If the initialization of this soc device failed, there is no codec |
| 1049 | * associated with it. Just bail out in this case. |
| 1050 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1051 | if (list_empty(&card->codec_dev_list)) |
Daniel Mack | e3509ff | 2009-06-03 17:44:49 +0200 | [diff] [blame] | 1052 | return 0; |
| 1053 | |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1054 | /* Due to the resume being scheduled into a workqueue we could |
| 1055 | * suspend before that's finished - wait for it to complete. |
| 1056 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1057 | snd_power_lock(card->snd_card); |
| 1058 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); |
| 1059 | snd_power_unlock(card->snd_card); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1060 | |
| 1061 | /* we're going to block userspace touching us until resume completes */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1062 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1063 | |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 1064 | /* mute any active DACs */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1065 | for (i = 0; i < card->num_rtd; i++) { |
| 1066 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; |
| 1067 | struct snd_soc_dai_driver *drv = dai->driver; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1068 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1069 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1070 | continue; |
| 1071 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1072 | if (drv->ops->digital_mute && dai->playback_active) |
| 1073 | drv->ops->digital_mute(dai, 1); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1074 | } |
| 1075 | |
Liam Girdwood | 4ccab3e | 2008-01-10 14:39:01 +0100 | [diff] [blame] | 1076 | /* suspend all pcms */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1077 | for (i = 0; i < card->num_rtd; i++) { |
| 1078 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1079 | continue; |
| 1080 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1081 | snd_pcm_suspend_all(card->rtd[i].pcm); |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1082 | } |
Liam Girdwood | 4ccab3e | 2008-01-10 14:39:01 +0100 | [diff] [blame] | 1083 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1084 | if (card->suspend_pre) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1085 | card->suspend_pre(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1086 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1087 | for (i = 0; i < card->num_rtd; i++) { |
| 1088 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1089 | struct snd_soc_platform *platform = card->rtd[i].platform; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1090 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1091 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1092 | continue; |
| 1093 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1094 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
| 1095 | cpu_dai->driver->suspend(cpu_dai); |
| 1096 | if (platform->driver->suspend && !platform->suspended) { |
| 1097 | platform->driver->suspend(cpu_dai); |
| 1098 | platform->suspended = 1; |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 1099 | } |
| 1100 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1101 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1102 | /* close any waiting streams and save state */ |
| 1103 | for (i = 0; i < card->num_rtd; i++) { |
Tejun Heo | 5b84ba2 | 2010-12-11 17:51:26 +0100 | [diff] [blame] | 1104 | flush_delayed_work_sync(&card->rtd[i].delayed_work); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1105 | 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] | 1106 | } |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1107 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1108 | for (i = 0; i < card->num_rtd; i++) { |
| 1109 | struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; |
| 1110 | |
| 1111 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1112 | continue; |
| 1113 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1114 | if (driver->playback.stream_name != NULL) |
| 1115 | snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, |
| 1116 | SND_SOC_DAPM_STREAM_SUSPEND); |
| 1117 | |
| 1118 | if (driver->capture.stream_name != NULL) |
| 1119 | snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, |
| 1120 | SND_SOC_DAPM_STREAM_SUSPEND); |
| 1121 | } |
| 1122 | |
| 1123 | /* suspend all CODECs */ |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1124 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1125 | /* If there are paths active then the CODEC will be held with |
| 1126 | * bias _ON and should not be suspended. */ |
| 1127 | if (!codec->suspended && codec->driver->suspend) { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1128 | switch (codec->dapm.bias_level) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1129 | case SND_SOC_BIAS_STANDBY: |
| 1130 | case SND_SOC_BIAS_OFF: |
| 1131 | codec->driver->suspend(codec, PMSG_SUSPEND); |
| 1132 | codec->suspended = 1; |
| 1133 | break; |
| 1134 | default: |
| 1135 | dev_dbg(codec->dev, "CODEC is on over suspend\n"); |
| 1136 | break; |
| 1137 | } |
| 1138 | } |
| 1139 | } |
| 1140 | |
| 1141 | for (i = 0; i < card->num_rtd; i++) { |
| 1142 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1143 | |
| 1144 | if (card->rtd[i].dai_link->ignore_suspend) |
| 1145 | continue; |
| 1146 | |
| 1147 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
| 1148 | cpu_dai->driver->suspend(cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1149 | } |
| 1150 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1151 | if (card->suspend_post) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1152 | card->suspend_post(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1153 | |
| 1154 | return 0; |
| 1155 | } |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1156 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1157 | |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1158 | /* deferred resume work, so resume can complete before we finished |
| 1159 | * setting our codec back up, which can be very slow on I2C |
| 1160 | */ |
| 1161 | static void soc_resume_deferred(struct work_struct *work) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1162 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1163 | struct snd_soc_card *card = |
| 1164 | container_of(work, struct snd_soc_card, deferred_resume_work); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1165 | struct snd_soc_codec *codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1166 | int i; |
| 1167 | |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1168 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
| 1169 | * so userspace apps are blocked from touching us |
| 1170 | */ |
| 1171 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1172 | dev_dbg(card->dev, "starting resume work\n"); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1173 | |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 1174 | /* Bring us up into D2 so that DAPM starts enabling things */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1175 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 1176 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1177 | if (card->resume_pre) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1178 | card->resume_pre(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1179 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1180 | /* resume AC97 DAIs */ |
| 1181 | for (i = 0; i < card->num_rtd; i++) { |
| 1182 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1183 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1184 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1185 | continue; |
| 1186 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1187 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
| 1188 | cpu_dai->driver->resume(cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1189 | } |
| 1190 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1191 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1192 | /* If the CODEC was idle over suspend then it will have been |
| 1193 | * left with bias OFF or STANDBY and suspended so we must now |
| 1194 | * resume. Otherwise the suspend was suppressed. |
| 1195 | */ |
| 1196 | if (codec->driver->resume && codec->suspended) { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1197 | switch (codec->dapm.bias_level) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1198 | case SND_SOC_BIAS_STANDBY: |
| 1199 | case SND_SOC_BIAS_OFF: |
| 1200 | codec->driver->resume(codec); |
| 1201 | codec->suspended = 0; |
| 1202 | break; |
| 1203 | default: |
| 1204 | dev_dbg(codec->dev, "CODEC was on over suspend\n"); |
| 1205 | break; |
| 1206 | } |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 1207 | } |
| 1208 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1209 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1210 | for (i = 0; i < card->num_rtd; i++) { |
| 1211 | struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1212 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1213 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1214 | continue; |
| 1215 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1216 | if (driver->playback.stream_name != NULL) |
| 1217 | snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1218 | SND_SOC_DAPM_STREAM_RESUME); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1219 | |
| 1220 | if (driver->capture.stream_name != NULL) |
| 1221 | snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1222 | SND_SOC_DAPM_STREAM_RESUME); |
| 1223 | } |
| 1224 | |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 1225 | /* unmute any active DACs */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1226 | for (i = 0; i < card->num_rtd; i++) { |
| 1227 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; |
| 1228 | struct snd_soc_dai_driver *drv = dai->driver; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1229 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1230 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1231 | continue; |
| 1232 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1233 | if (drv->ops->digital_mute && dai->playback_active) |
| 1234 | drv->ops->digital_mute(dai, 0); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1235 | } |
| 1236 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1237 | for (i = 0; i < card->num_rtd; i++) { |
| 1238 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1239 | struct snd_soc_platform *platform = card->rtd[i].platform; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1240 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1241 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1242 | continue; |
| 1243 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1244 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
| 1245 | cpu_dai->driver->resume(cpu_dai); |
| 1246 | if (platform->driver->resume && platform->suspended) { |
| 1247 | platform->driver->resume(cpu_dai); |
| 1248 | platform->suspended = 0; |
| 1249 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1250 | } |
| 1251 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1252 | if (card->resume_post) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1253 | card->resume_post(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1254 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1255 | dev_dbg(card->dev, "resume work completed\n"); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1256 | |
| 1257 | /* userspace can access us now we are back as we were before */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1258 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1259 | } |
| 1260 | |
| 1261 | /* powers up audio subsystem after a suspend */ |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1262 | int snd_soc_resume(struct device *dev) |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1263 | { |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1264 | struct snd_soc_card *card = dev_get_drvdata(dev); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1265 | int i; |
Peter Ujfalusi | b9dd94a | 2010-02-22 13:27:13 +0200 | [diff] [blame] | 1266 | |
Mark Brown | 64ab9ba | 2009-03-31 11:27:03 +0100 | [diff] [blame] | 1267 | /* AC97 devices might have other drivers hanging off them so |
| 1268 | * need to resume immediately. Other drivers don't have that |
| 1269 | * problem and may take a substantial amount of time to resume |
| 1270 | * due to I/O costs and anti-pop so handle them out of line. |
| 1271 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1272 | for (i = 0; i < card->num_rtd; i++) { |
| 1273 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1274 | if (cpu_dai->driver->ac97_control) { |
| 1275 | dev_dbg(dev, "Resuming AC97 immediately\n"); |
| 1276 | soc_resume_deferred(&card->deferred_resume_work); |
| 1277 | } else { |
| 1278 | dev_dbg(dev, "Scheduling resume work\n"); |
| 1279 | if (!schedule_work(&card->deferred_resume_work)) |
| 1280 | dev_err(dev, "resume work item may be lost\n"); |
| 1281 | } |
Mark Brown | 64ab9ba | 2009-03-31 11:27:03 +0100 | [diff] [blame] | 1282 | } |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1283 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1284 | return 0; |
| 1285 | } |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1286 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1287 | #else |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1288 | #define snd_soc_suspend NULL |
| 1289 | #define snd_soc_resume NULL |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1290 | #endif |
| 1291 | |
Barry Song | 02a06d3 | 2009-10-16 18:13:38 +0800 | [diff] [blame] | 1292 | static struct snd_soc_dai_ops null_dai_ops = { |
| 1293 | }; |
| 1294 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1295 | 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] | 1296 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1297 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
| 1298 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1299 | struct snd_soc_codec *codec; |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1300 | struct snd_soc_platform *platform; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1301 | struct snd_soc_dai *codec_dai, *cpu_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1302 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1303 | if (rtd->complete) |
| 1304 | return 1; |
| 1305 | 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] | 1306 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1307 | /* do we already have the CPU DAI for this link ? */ |
| 1308 | if (rtd->cpu_dai) { |
| 1309 | goto find_codec; |
| 1310 | } |
| 1311 | /* no, then find CPU DAI from registered DAIs*/ |
| 1312 | list_for_each_entry(cpu_dai, &dai_list, list) { |
| 1313 | if (!strcmp(cpu_dai->name, dai_link->cpu_dai_name)) { |
| 1314 | |
| 1315 | if (!try_module_get(cpu_dai->dev->driver->owner)) |
| 1316 | return -ENODEV; |
| 1317 | |
| 1318 | rtd->cpu_dai = cpu_dai; |
| 1319 | goto find_codec; |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1320 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1321 | } |
| 1322 | dev_dbg(card->dev, "CPU DAI %s not registered\n", |
| 1323 | dai_link->cpu_dai_name); |
| 1324 | |
| 1325 | find_codec: |
| 1326 | /* do we already have the CODEC for this link ? */ |
| 1327 | if (rtd->codec) { |
| 1328 | goto find_platform; |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 1329 | } |
| 1330 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1331 | /* no, then find CODEC from registered CODECs*/ |
| 1332 | list_for_each_entry(codec, &codec_list, list) { |
| 1333 | if (!strcmp(codec->name, dai_link->codec_name)) { |
| 1334 | rtd->codec = codec; |
Mark Brown | 6b05eda | 2008-12-08 19:26:48 +0000 | [diff] [blame] | 1335 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1336 | /* CODEC found, so find CODEC DAI from registered DAIs from this CODEC*/ |
| 1337 | list_for_each_entry(codec_dai, &dai_list, list) { |
| 1338 | if (codec->dev == codec_dai->dev && |
| 1339 | !strcmp(codec_dai->name, dai_link->codec_dai_name)) { |
| 1340 | rtd->codec_dai = codec_dai; |
| 1341 | goto find_platform; |
Mark Brown | 6b05eda | 2008-12-08 19:26:48 +0000 | [diff] [blame] | 1342 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1343 | } |
| 1344 | dev_dbg(card->dev, "CODEC DAI %s not registered\n", |
| 1345 | dai_link->codec_dai_name); |
| 1346 | |
| 1347 | goto find_platform; |
| 1348 | } |
| 1349 | } |
| 1350 | dev_dbg(card->dev, "CODEC %s not registered\n", |
| 1351 | dai_link->codec_name); |
| 1352 | |
| 1353 | find_platform: |
| 1354 | /* do we already have the CODEC DAI for this link ? */ |
| 1355 | if (rtd->platform) { |
| 1356 | goto out; |
| 1357 | } |
| 1358 | /* no, then find CPU DAI from registered DAIs*/ |
| 1359 | list_for_each_entry(platform, &platform_list, list) { |
| 1360 | if (!strcmp(platform->name, dai_link->platform_name)) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1361 | rtd->platform = platform; |
| 1362 | goto out; |
| 1363 | } |
| 1364 | } |
| 1365 | |
| 1366 | dev_dbg(card->dev, "platform %s not registered\n", |
| 1367 | dai_link->platform_name); |
| 1368 | return 0; |
| 1369 | |
| 1370 | out: |
| 1371 | /* mark rtd as complete if we found all 4 of our client devices */ |
| 1372 | if (rtd->codec && rtd->codec_dai && rtd->platform && rtd->cpu_dai) { |
| 1373 | rtd->complete = 1; |
| 1374 | card->num_rtd++; |
| 1375 | } |
| 1376 | return 1; |
| 1377 | } |
| 1378 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1379 | static void soc_remove_codec(struct snd_soc_codec *codec) |
| 1380 | { |
| 1381 | int err; |
| 1382 | |
| 1383 | if (codec->driver->remove) { |
| 1384 | err = codec->driver->remove(codec); |
| 1385 | if (err < 0) |
| 1386 | dev_err(codec->dev, |
| 1387 | "asoc: failed to remove %s: %d\n", |
| 1388 | codec->name, err); |
| 1389 | } |
| 1390 | |
| 1391 | /* Make sure all DAPM widgets are freed */ |
| 1392 | snd_soc_dapm_free(&codec->dapm); |
| 1393 | |
| 1394 | soc_cleanup_codec_debugfs(codec); |
| 1395 | codec->probed = 0; |
| 1396 | list_del(&codec->card_list); |
| 1397 | module_put(codec->dev->driver->owner); |
| 1398 | } |
| 1399 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1400 | static void soc_remove_dai_link(struct snd_soc_card *card, int num) |
| 1401 | { |
| 1402 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; |
| 1403 | struct snd_soc_codec *codec = rtd->codec; |
| 1404 | struct snd_soc_platform *platform = rtd->platform; |
| 1405 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
| 1406 | int err; |
| 1407 | |
| 1408 | /* unregister the rtd device */ |
| 1409 | if (rtd->dev_registered) { |
| 1410 | device_remove_file(&rtd->dev, &dev_attr_pmdown_time); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1411 | device_remove_file(&rtd->dev, &dev_attr_codec_reg); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1412 | device_unregister(&rtd->dev); |
| 1413 | rtd->dev_registered = 0; |
| 1414 | } |
| 1415 | |
| 1416 | /* remove the CODEC DAI */ |
| 1417 | if (codec_dai && codec_dai->probed) { |
| 1418 | if (codec_dai->driver->remove) { |
| 1419 | err = codec_dai->driver->remove(codec_dai); |
| 1420 | if (err < 0) |
| 1421 | printk(KERN_ERR "asoc: failed to remove %s\n", codec_dai->name); |
| 1422 | } |
| 1423 | codec_dai->probed = 0; |
| 1424 | list_del(&codec_dai->card_list); |
| 1425 | } |
| 1426 | |
| 1427 | /* remove the platform */ |
| 1428 | if (platform && platform->probed) { |
| 1429 | if (platform->driver->remove) { |
| 1430 | err = platform->driver->remove(platform); |
| 1431 | if (err < 0) |
| 1432 | printk(KERN_ERR "asoc: failed to remove %s\n", platform->name); |
| 1433 | } |
| 1434 | platform->probed = 0; |
| 1435 | list_del(&platform->card_list); |
| 1436 | module_put(platform->dev->driver->owner); |
| 1437 | } |
| 1438 | |
| 1439 | /* remove the CODEC */ |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1440 | if (codec && codec->probed) |
| 1441 | soc_remove_codec(codec); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1442 | |
| 1443 | /* remove the cpu_dai */ |
| 1444 | if (cpu_dai && cpu_dai->probed) { |
| 1445 | if (cpu_dai->driver->remove) { |
| 1446 | err = cpu_dai->driver->remove(cpu_dai); |
| 1447 | if (err < 0) |
| 1448 | printk(KERN_ERR "asoc: failed to remove %s\n", cpu_dai->name); |
| 1449 | } |
| 1450 | cpu_dai->probed = 0; |
| 1451 | list_del(&cpu_dai->card_list); |
| 1452 | module_put(cpu_dai->dev->driver->owner); |
| 1453 | } |
| 1454 | } |
| 1455 | |
Kuninori Morimoto | 0671fd8 | 2011-04-08 14:50:44 +0900 | [diff] [blame] | 1456 | static void soc_remove_dai_links(struct snd_soc_card *card) |
| 1457 | { |
| 1458 | int i; |
| 1459 | |
| 1460 | for (i = 0; i < card->num_rtd; i++) |
| 1461 | soc_remove_dai_link(card, i); |
| 1462 | |
| 1463 | card->num_rtd = 0; |
| 1464 | } |
| 1465 | |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 1466 | static void soc_set_name_prefix(struct snd_soc_card *card, |
| 1467 | struct snd_soc_codec *codec) |
| 1468 | { |
| 1469 | int i; |
| 1470 | |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 1471 | if (card->codec_conf == NULL) |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 1472 | return; |
| 1473 | |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 1474 | for (i = 0; i < card->num_configs; i++) { |
| 1475 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 1476 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
| 1477 | codec->name_prefix = map->name_prefix; |
| 1478 | break; |
| 1479 | } |
| 1480 | } |
| 1481 | } |
| 1482 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1483 | static int soc_probe_codec(struct snd_soc_card *card, |
| 1484 | struct snd_soc_codec *codec) |
| 1485 | { |
| 1486 | int ret = 0; |
Mark Brown | 89b95ac0 | 2011-03-07 16:38:44 +0000 | [diff] [blame] | 1487 | const struct snd_soc_codec_driver *driver = codec->driver; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1488 | |
| 1489 | codec->card = card; |
| 1490 | codec->dapm.card = card; |
| 1491 | soc_set_name_prefix(card, codec); |
| 1492 | |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1493 | if (!try_module_get(codec->dev->driver->owner)) |
| 1494 | return -ENODEV; |
| 1495 | |
Mark Brown | 89b95ac0 | 2011-03-07 16:38:44 +0000 | [diff] [blame] | 1496 | if (driver->probe) { |
| 1497 | ret = driver->probe(codec); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1498 | if (ret < 0) { |
| 1499 | dev_err(codec->dev, |
| 1500 | "asoc: failed to probe CODEC %s: %d\n", |
| 1501 | codec->name, ret); |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1502 | goto err_probe; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1503 | } |
| 1504 | } |
| 1505 | |
Mark Brown | b7af1da | 2011-04-07 19:18:44 +0900 | [diff] [blame] | 1506 | if (driver->controls) |
| 1507 | snd_soc_add_controls(codec, driver->controls, |
| 1508 | driver->num_controls); |
Mark Brown | 89b95ac0 | 2011-03-07 16:38:44 +0000 | [diff] [blame] | 1509 | if (driver->dapm_widgets) |
| 1510 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, |
| 1511 | driver->num_dapm_widgets); |
| 1512 | if (driver->dapm_routes) |
| 1513 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, |
| 1514 | driver->num_dapm_routes); |
| 1515 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1516 | soc_init_codec_debugfs(codec); |
| 1517 | |
| 1518 | /* mark codec as probed and add to card codec list */ |
| 1519 | codec->probed = 1; |
| 1520 | list_add(&codec->card_list, &card->codec_dev_list); |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1521 | list_add(&codec->dapm.list, &card->dapm_list); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1522 | |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1523 | return 0; |
| 1524 | |
| 1525 | err_probe: |
| 1526 | module_put(codec->dev->driver->owner); |
| 1527 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1528 | return ret; |
| 1529 | } |
| 1530 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1531 | static void rtd_release(struct device *dev) {} |
| 1532 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1533 | static int soc_post_component_init(struct snd_soc_card *card, |
| 1534 | struct snd_soc_codec *codec, |
| 1535 | int num, int dailess) |
| 1536 | { |
| 1537 | struct snd_soc_dai_link *dai_link = NULL; |
| 1538 | struct snd_soc_aux_dev *aux_dev = NULL; |
| 1539 | struct snd_soc_pcm_runtime *rtd; |
| 1540 | const char *temp, *name; |
| 1541 | int ret = 0; |
| 1542 | |
| 1543 | if (!dailess) { |
| 1544 | dai_link = &card->dai_link[num]; |
| 1545 | rtd = &card->rtd[num]; |
| 1546 | name = dai_link->name; |
| 1547 | } else { |
| 1548 | aux_dev = &card->aux_dev[num]; |
| 1549 | rtd = &card->rtd_aux[num]; |
| 1550 | name = aux_dev->name; |
| 1551 | } |
Janusz Krzysztofik | 0962bb2 | 2011-02-02 21:11:41 +0100 | [diff] [blame] | 1552 | rtd->card = card; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1553 | |
| 1554 | /* machine controls, routes and widgets are not prefixed */ |
| 1555 | temp = codec->name_prefix; |
| 1556 | codec->name_prefix = NULL; |
| 1557 | |
| 1558 | /* do machine specific initialization */ |
| 1559 | if (!dailess && dai_link->init) |
| 1560 | ret = dai_link->init(rtd); |
| 1561 | else if (dailess && aux_dev->init) |
| 1562 | ret = aux_dev->init(&codec->dapm); |
| 1563 | if (ret < 0) { |
| 1564 | dev_err(card->dev, "asoc: failed to init %s: %d\n", name, ret); |
| 1565 | return ret; |
| 1566 | } |
| 1567 | codec->name_prefix = temp; |
| 1568 | |
| 1569 | /* Make sure all DAPM widgets are instantiated */ |
| 1570 | snd_soc_dapm_new_widgets(&codec->dapm); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1571 | |
| 1572 | /* register the rtd device */ |
| 1573 | rtd->codec = codec; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1574 | rtd->dev.parent = card->dev; |
| 1575 | rtd->dev.release = rtd_release; |
| 1576 | rtd->dev.init_name = name; |
| 1577 | ret = device_register(&rtd->dev); |
| 1578 | if (ret < 0) { |
| 1579 | dev_err(card->dev, |
| 1580 | "asoc: failed to register runtime device: %d\n", ret); |
| 1581 | return ret; |
| 1582 | } |
| 1583 | rtd->dev_registered = 1; |
| 1584 | |
| 1585 | /* add DAPM sysfs entries for this codec */ |
| 1586 | ret = snd_soc_dapm_sys_add(&rtd->dev); |
| 1587 | if (ret < 0) |
| 1588 | dev_err(codec->dev, |
| 1589 | "asoc: failed to add codec dapm sysfs entries: %d\n", |
| 1590 | ret); |
| 1591 | |
| 1592 | /* add codec sysfs entries */ |
| 1593 | ret = device_create_file(&rtd->dev, &dev_attr_codec_reg); |
| 1594 | if (ret < 0) |
| 1595 | dev_err(codec->dev, |
| 1596 | "asoc: failed to add codec sysfs files: %d\n", ret); |
| 1597 | |
| 1598 | return 0; |
| 1599 | } |
| 1600 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1601 | static int soc_probe_dai_link(struct snd_soc_card *card, int num) |
| 1602 | { |
| 1603 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
| 1604 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; |
| 1605 | struct snd_soc_codec *codec = rtd->codec; |
| 1606 | struct snd_soc_platform *platform = rtd->platform; |
| 1607 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
| 1608 | int ret; |
| 1609 | |
| 1610 | dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num); |
| 1611 | |
| 1612 | /* config components */ |
| 1613 | codec_dai->codec = codec; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1614 | cpu_dai->platform = platform; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1615 | codec_dai->card = card; |
| 1616 | cpu_dai->card = card; |
| 1617 | |
| 1618 | /* set default power off timeout */ |
| 1619 | rtd->pmdown_time = pmdown_time; |
| 1620 | |
| 1621 | /* probe the cpu_dai */ |
| 1622 | if (!cpu_dai->probed) { |
| 1623 | if (cpu_dai->driver->probe) { |
| 1624 | ret = cpu_dai->driver->probe(cpu_dai); |
| 1625 | if (ret < 0) { |
| 1626 | printk(KERN_ERR "asoc: failed to probe CPU DAI %s\n", |
| 1627 | cpu_dai->name); |
| 1628 | return ret; |
| 1629 | } |
| 1630 | } |
| 1631 | cpu_dai->probed = 1; |
| 1632 | /* mark cpu_dai as probed and add to card cpu_dai list */ |
| 1633 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
| 1634 | } |
| 1635 | |
| 1636 | /* probe the CODEC */ |
| 1637 | if (!codec->probed) { |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1638 | ret = soc_probe_codec(card, codec); |
| 1639 | if (ret < 0) |
| 1640 | return ret; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1641 | } |
| 1642 | |
| 1643 | /* probe the platform */ |
| 1644 | if (!platform->probed) { |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1645 | if (!try_module_get(platform->dev->driver->owner)) |
| 1646 | return -ENODEV; |
| 1647 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1648 | if (platform->driver->probe) { |
| 1649 | ret = platform->driver->probe(platform); |
| 1650 | if (ret < 0) { |
| 1651 | printk(KERN_ERR "asoc: failed to probe platform %s\n", |
| 1652 | platform->name); |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1653 | module_put(platform->dev->driver->owner); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1654 | return ret; |
| 1655 | } |
| 1656 | } |
| 1657 | /* mark platform as probed and add to card platform list */ |
| 1658 | platform->probed = 1; |
| 1659 | list_add(&platform->card_list, &card->platform_dev_list); |
| 1660 | } |
| 1661 | |
| 1662 | /* probe the CODEC DAI */ |
| 1663 | if (!codec_dai->probed) { |
| 1664 | if (codec_dai->driver->probe) { |
| 1665 | ret = codec_dai->driver->probe(codec_dai); |
| 1666 | if (ret < 0) { |
| 1667 | printk(KERN_ERR "asoc: failed to probe CODEC DAI %s\n", |
| 1668 | codec_dai->name); |
| 1669 | return ret; |
Mark Brown | 6b05eda | 2008-12-08 19:26:48 +0000 | [diff] [blame] | 1670 | } |
| 1671 | } |
| 1672 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1673 | /* mark cpu_dai as probed and add to card cpu_dai list */ |
| 1674 | codec_dai->probed = 1; |
| 1675 | list_add(&codec_dai->card_list, &card->dai_dev_list); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1676 | } |
| 1677 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1678 | /* DAPM dai link stream work */ |
| 1679 | INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); |
| 1680 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1681 | ret = soc_post_component_init(card, codec, num, 0); |
| 1682 | if (ret) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1683 | return ret; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1684 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1685 | ret = device_create_file(&rtd->dev, &dev_attr_pmdown_time); |
| 1686 | if (ret < 0) |
| 1687 | printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n"); |
| 1688 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1689 | /* create the pcm */ |
| 1690 | ret = soc_new_pcm(rtd, num); |
| 1691 | if (ret < 0) { |
| 1692 | printk(KERN_ERR "asoc: can't create pcm %s\n", dai_link->stream_name); |
| 1693 | return ret; |
| 1694 | } |
| 1695 | |
| 1696 | /* add platform data for AC97 devices */ |
| 1697 | if (rtd->codec_dai->driver->ac97_control) |
| 1698 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); |
| 1699 | |
| 1700 | return 0; |
| 1701 | } |
| 1702 | |
| 1703 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 1704 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
| 1705 | { |
| 1706 | int ret; |
| 1707 | |
| 1708 | /* Only instantiate AC97 if not already done by the adaptor |
| 1709 | * for the generic AC97 subsystem. |
| 1710 | */ |
| 1711 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
Mika Westerberg | 0562f78 | 2010-10-13 11:30:32 +0300 | [diff] [blame] | 1712 | /* |
| 1713 | * It is possible that the AC97 device is already registered to |
| 1714 | * the device subsystem. This happens when the device is created |
| 1715 | * via snd_ac97_mixer(). Currently only SoC codec that does so |
| 1716 | * is the generic AC97 glue but others migh emerge. |
| 1717 | * |
| 1718 | * In those cases we don't try to register the device again. |
| 1719 | */ |
| 1720 | if (!rtd->codec->ac97_created) |
| 1721 | return 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1722 | |
| 1723 | ret = soc_ac97_dev_register(rtd->codec); |
| 1724 | if (ret < 0) { |
| 1725 | printk(KERN_ERR "asoc: AC97 device register failed\n"); |
| 1726 | return ret; |
| 1727 | } |
| 1728 | |
| 1729 | rtd->codec->ac97_registered = 1; |
| 1730 | } |
| 1731 | return 0; |
| 1732 | } |
| 1733 | |
| 1734 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) |
| 1735 | { |
| 1736 | if (codec->ac97_registered) { |
| 1737 | soc_ac97_dev_unregister(codec); |
| 1738 | codec->ac97_registered = 0; |
| 1739 | } |
| 1740 | } |
| 1741 | #endif |
| 1742 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1743 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
| 1744 | { |
| 1745 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1746 | struct snd_soc_codec *codec; |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1747 | int ret = -ENODEV; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1748 | |
| 1749 | /* find CODEC from registered CODECs*/ |
| 1750 | list_for_each_entry(codec, &codec_list, list) { |
| 1751 | if (!strcmp(codec->name, aux_dev->codec_name)) { |
| 1752 | if (codec->probed) { |
| 1753 | dev_err(codec->dev, |
| 1754 | "asoc: codec already probed"); |
| 1755 | ret = -EBUSY; |
| 1756 | goto out; |
| 1757 | } |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1758 | goto found; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1759 | } |
| 1760 | } |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1761 | /* codec not found */ |
| 1762 | dev_err(card->dev, "asoc: codec %s not found", aux_dev->codec_name); |
| 1763 | goto out; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1764 | |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1765 | found: |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1766 | ret = soc_probe_codec(card, codec); |
| 1767 | if (ret < 0) |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1768 | return ret; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1769 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1770 | ret = soc_post_component_init(card, codec, num, 1); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1771 | |
| 1772 | out: |
| 1773 | return ret; |
| 1774 | } |
| 1775 | |
| 1776 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) |
| 1777 | { |
| 1778 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
| 1779 | struct snd_soc_codec *codec = rtd->codec; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1780 | |
| 1781 | /* unregister the rtd device */ |
| 1782 | if (rtd->dev_registered) { |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1783 | device_remove_file(&rtd->dev, &dev_attr_codec_reg); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1784 | device_unregister(&rtd->dev); |
| 1785 | rtd->dev_registered = 0; |
| 1786 | } |
| 1787 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1788 | if (codec && codec->probed) |
| 1789 | soc_remove_codec(codec); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1790 | } |
| 1791 | |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1792 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, |
| 1793 | enum snd_soc_compress_type compress_type) |
| 1794 | { |
| 1795 | int ret; |
| 1796 | |
| 1797 | if (codec->cache_init) |
| 1798 | return 0; |
| 1799 | |
| 1800 | /* override the compress_type if necessary */ |
| 1801 | if (compress_type && codec->compress_type != compress_type) |
| 1802 | codec->compress_type = compress_type; |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1803 | ret = snd_soc_cache_init(codec); |
| 1804 | if (ret < 0) { |
| 1805 | dev_err(codec->dev, "Failed to set cache compression type: %d\n", |
| 1806 | ret); |
| 1807 | return ret; |
| 1808 | } |
| 1809 | codec->cache_init = 1; |
| 1810 | return 0; |
| 1811 | } |
| 1812 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1813 | static void snd_soc_instantiate_card(struct snd_soc_card *card) |
| 1814 | { |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1815 | struct snd_soc_codec *codec; |
| 1816 | struct snd_soc_codec_conf *codec_conf; |
| 1817 | enum snd_soc_compress_type compress_type; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1818 | int ret, i; |
| 1819 | |
| 1820 | mutex_lock(&card->mutex); |
| 1821 | |
| 1822 | if (card->instantiated) { |
| 1823 | mutex_unlock(&card->mutex); |
| 1824 | return; |
| 1825 | } |
| 1826 | |
| 1827 | /* bind DAIs */ |
| 1828 | for (i = 0; i < card->num_links; i++) |
| 1829 | soc_bind_dai_link(card, i); |
| 1830 | |
| 1831 | /* bind completed ? */ |
| 1832 | if (card->num_rtd != card->num_links) { |
| 1833 | mutex_unlock(&card->mutex); |
| 1834 | return; |
| 1835 | } |
| 1836 | |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1837 | /* initialize the register cache for each available codec */ |
| 1838 | list_for_each_entry(codec, &codec_list, list) { |
| 1839 | if (codec->cache_init) |
| 1840 | continue; |
Dimitris Papastamos | 861f2fa | 2011-01-11 11:43:51 +0000 | [diff] [blame] | 1841 | /* by default we don't override the compress_type */ |
| 1842 | compress_type = 0; |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1843 | /* check to see if we need to override the compress_type */ |
| 1844 | for (i = 0; i < card->num_configs; ++i) { |
| 1845 | codec_conf = &card->codec_conf[i]; |
| 1846 | if (!strcmp(codec->name, codec_conf->dev_name)) { |
| 1847 | compress_type = codec_conf->compress_type; |
| 1848 | if (compress_type && compress_type |
| 1849 | != codec->compress_type) |
| 1850 | break; |
| 1851 | } |
| 1852 | } |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1853 | ret = snd_soc_init_codec_cache(codec, compress_type); |
| 1854 | if (ret < 0) { |
| 1855 | mutex_unlock(&card->mutex); |
| 1856 | return; |
| 1857 | } |
| 1858 | } |
| 1859 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1860 | /* card bind complete so register a sound card */ |
| 1861 | ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
| 1862 | card->owner, 0, &card->snd_card); |
| 1863 | if (ret < 0) { |
| 1864 | printk(KERN_ERR "asoc: can't create sound card for card %s\n", |
| 1865 | card->name); |
| 1866 | mutex_unlock(&card->mutex); |
| 1867 | return; |
| 1868 | } |
| 1869 | card->snd_card->dev = card->dev; |
| 1870 | |
Mark Brown | e37a497 | 2011-03-02 18:21:57 +0000 | [diff] [blame] | 1871 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
| 1872 | card->dapm.dev = card->dev; |
| 1873 | card->dapm.card = card; |
| 1874 | list_add(&card->dapm.list, &card->dapm_list); |
| 1875 | |
Mark Brown | 88ee1c6 | 2011-02-02 10:43:26 +0000 | [diff] [blame] | 1876 | #ifdef CONFIG_PM_SLEEP |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1877 | /* deferred resume work */ |
Mark Brown | 6308419 | 2008-12-02 15:08:03 +0000 | [diff] [blame] | 1878 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); |
Randy Dunlap | 1301a96 | 2008-06-17 19:19:34 +0100 | [diff] [blame] | 1879 | #endif |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1880 | |
Mark Brown | 9a841eb | 2011-04-12 17:51:37 -0700 | [diff] [blame] | 1881 | if (card->dapm_widgets) |
| 1882 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, |
| 1883 | card->num_dapm_widgets); |
| 1884 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1885 | /* initialise the sound card only once */ |
| 1886 | if (card->probe) { |
Mark Brown | e7361ec | 2011-01-26 14:17:20 +0000 | [diff] [blame] | 1887 | ret = card->probe(card); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1888 | if (ret < 0) |
| 1889 | goto card_probe_error; |
| 1890 | } |
| 1891 | |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1892 | for (i = 0; i < card->num_links; i++) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1893 | ret = soc_probe_dai_link(card, i); |
| 1894 | if (ret < 0) { |
Mark Brown | 321de0d | 2010-09-21 15:09:37 +0100 | [diff] [blame] | 1895 | pr_err("asoc: failed to instantiate card %s: %d\n", |
| 1896 | card->name, ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1897 | goto probe_dai_err; |
| 1898 | } |
| 1899 | } |
| 1900 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1901 | for (i = 0; i < card->num_aux_devs; i++) { |
| 1902 | ret = soc_probe_aux_dev(card, i); |
| 1903 | if (ret < 0) { |
| 1904 | pr_err("asoc: failed to add auxiliary devices %s: %d\n", |
| 1905 | card->name, ret); |
| 1906 | goto probe_aux_dev_err; |
| 1907 | } |
| 1908 | } |
| 1909 | |
Mark Brown | b7af1da | 2011-04-07 19:18:44 +0900 | [diff] [blame] | 1910 | /* We should have a non-codec control add function but we don't */ |
| 1911 | if (card->controls) |
| 1912 | snd_soc_add_controls(list_first_entry(&card->codec_dev_list, |
| 1913 | struct snd_soc_codec, |
| 1914 | card_list), |
| 1915 | card->controls, |
| 1916 | card->num_controls); |
| 1917 | |
Mark Brown | b8ad29d | 2011-03-02 18:35:51 +0000 | [diff] [blame] | 1918 | if (card->dapm_routes) |
| 1919 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, |
| 1920 | card->num_dapm_routes); |
| 1921 | |
Mark Brown | a2721fd | 2011-03-07 11:09:25 +0000 | [diff] [blame] | 1922 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | e37a497 | 2011-03-02 18:21:57 +0000 | [diff] [blame] | 1923 | card->dapm.debugfs_dapm = debugfs_create_dir("dapm", |
| 1924 | card->debugfs_card_root); |
| 1925 | if (!card->dapm.debugfs_dapm) |
| 1926 | printk(KERN_WARNING |
| 1927 | "Failed to create card DAPM debugfs directory\n"); |
| 1928 | |
| 1929 | snd_soc_dapm_debugfs_init(&card->dapm); |
Mark Brown | a2721fd | 2011-03-07 11:09:25 +0000 | [diff] [blame] | 1930 | #endif |
Mark Brown | e37a497 | 2011-03-02 18:21:57 +0000 | [diff] [blame] | 1931 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1932 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
| 1933 | "%s", card->name); |
| 1934 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
| 1935 | "%s", card->name); |
| 1936 | |
Mark Brown | 28e9ad9 | 2011-03-02 18:36:34 +0000 | [diff] [blame] | 1937 | if (card->late_probe) { |
| 1938 | ret = card->late_probe(card); |
| 1939 | if (ret < 0) { |
| 1940 | dev_err(card->dev, "%s late_probe() failed: %d\n", |
| 1941 | card->name, ret); |
| 1942 | goto probe_aux_dev_err; |
| 1943 | } |
| 1944 | } |
| 1945 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1946 | ret = snd_card_register(card->snd_card); |
| 1947 | if (ret < 0) { |
| 1948 | 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] | 1949 | goto probe_aux_dev_err; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1950 | } |
| 1951 | |
| 1952 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 1953 | /* register any AC97 codecs */ |
| 1954 | for (i = 0; i < card->num_rtd; i++) { |
Axel Lin | 6b3ed78 | 2010-12-07 16:12:29 +0800 | [diff] [blame] | 1955 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
| 1956 | if (ret < 0) { |
| 1957 | printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name); |
| 1958 | while (--i >= 0) |
Mark Brown | 7d8316d | 2010-12-13 17:03:27 +0000 | [diff] [blame] | 1959 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
Axel Lin | 6b3ed78 | 2010-12-07 16:12:29 +0800 | [diff] [blame] | 1960 | goto probe_aux_dev_err; |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1961 | } |
Axel Lin | 6b3ed78 | 2010-12-07 16:12:29 +0800 | [diff] [blame] | 1962 | } |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1963 | #endif |
| 1964 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1965 | card->instantiated = 1; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1966 | mutex_unlock(&card->mutex); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1967 | return; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1968 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1969 | probe_aux_dev_err: |
| 1970 | for (i = 0; i < card->num_aux_devs; i++) |
| 1971 | soc_remove_aux_dev(card, i); |
| 1972 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1973 | probe_dai_err: |
Kuninori Morimoto | 0671fd8 | 2011-04-08 14:50:44 +0900 | [diff] [blame] | 1974 | soc_remove_dai_links(card); |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1975 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1976 | card_probe_error: |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1977 | if (card->remove) |
Mark Brown | e7361ec | 2011-01-26 14:17:20 +0000 | [diff] [blame] | 1978 | card->remove(card); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1979 | |
| 1980 | snd_card_free(card->snd_card); |
| 1981 | |
| 1982 | mutex_unlock(&card->mutex); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1983 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1984 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1985 | /* |
Uwe Kleine-König | 421f91d | 2010-06-11 12:17:00 +0200 | [diff] [blame] | 1986 | * Attempt to initialise any uninitialised cards. Must be called with |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1987 | * client_mutex. |
| 1988 | */ |
| 1989 | static void snd_soc_instantiate_cards(void) |
| 1990 | { |
| 1991 | struct snd_soc_card *card; |
| 1992 | list_for_each_entry(card, &card_list, list) |
| 1993 | snd_soc_instantiate_card(card); |
| 1994 | } |
| 1995 | |
| 1996 | /* probes a new socdev */ |
| 1997 | static int soc_probe(struct platform_device *pdev) |
| 1998 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1999 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 2000 | int ret = 0; |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 2001 | |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 2002 | /* |
| 2003 | * no card, so machine driver should be registering card |
| 2004 | * we should not be here in that case so ret error |
| 2005 | */ |
| 2006 | if (!card) |
| 2007 | return -EINVAL; |
| 2008 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 2009 | /* Bodge while we unpick instantiation */ |
| 2010 | card->dev = &pdev->dev; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2011 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 2012 | ret = snd_soc_register_card(card); |
| 2013 | if (ret != 0) { |
| 2014 | dev_err(&pdev->dev, "Failed to register card\n"); |
| 2015 | return ret; |
| 2016 | } |
| 2017 | |
| 2018 | return 0; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2019 | } |
| 2020 | |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 2021 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
| 2022 | { |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 2023 | int i; |
| 2024 | |
| 2025 | /* make sure any delayed work runs */ |
| 2026 | for (i = 0; i < card->num_rtd; i++) { |
| 2027 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
| 2028 | flush_delayed_work_sync(&rtd->delayed_work); |
| 2029 | } |
| 2030 | |
| 2031 | /* remove auxiliary devices */ |
| 2032 | for (i = 0; i < card->num_aux_devs; i++) |
| 2033 | soc_remove_aux_dev(card, i); |
| 2034 | |
| 2035 | /* remove and free each DAI */ |
Kuninori Morimoto | 0671fd8 | 2011-04-08 14:50:44 +0900 | [diff] [blame] | 2036 | soc_remove_dai_links(card); |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 2037 | |
| 2038 | soc_cleanup_card_debugfs(card); |
| 2039 | |
| 2040 | /* remove the card */ |
| 2041 | if (card->remove) |
Mark Brown | e7361ec | 2011-01-26 14:17:20 +0000 | [diff] [blame] | 2042 | card->remove(card); |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 2043 | |
| 2044 | kfree(card->rtd); |
| 2045 | snd_card_free(card->snd_card); |
| 2046 | return 0; |
| 2047 | |
| 2048 | } |
| 2049 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2050 | /* removes a socdev */ |
| 2051 | static int soc_remove(struct platform_device *pdev) |
| 2052 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2053 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2054 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 2055 | snd_soc_unregister_card(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2056 | return 0; |
| 2057 | } |
| 2058 | |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2059 | int snd_soc_poweroff(struct device *dev) |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2060 | { |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2061 | struct snd_soc_card *card = dev_get_drvdata(dev); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2062 | int i; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2063 | |
| 2064 | if (!card->instantiated) |
Mark Brown | 416356f | 2009-06-30 19:05:15 +0100 | [diff] [blame] | 2065 | return 0; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2066 | |
| 2067 | /* Flush out pmdown_time work - we actually do want to run it |
| 2068 | * now, we're shutting down so no imminent restart. */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2069 | for (i = 0; i < card->num_rtd; i++) { |
| 2070 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
Tejun Heo | 5b84ba2 | 2010-12-11 17:51:26 +0100 | [diff] [blame] | 2071 | flush_delayed_work_sync(&rtd->delayed_work); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2072 | } |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2073 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2074 | snd_soc_dapm_shutdown(card); |
Mark Brown | 416356f | 2009-06-30 19:05:15 +0100 | [diff] [blame] | 2075 | |
| 2076 | return 0; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2077 | } |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2078 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2079 | |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2080 | const struct dev_pm_ops snd_soc_pm_ops = { |
| 2081 | .suspend = snd_soc_suspend, |
| 2082 | .resume = snd_soc_resume, |
| 2083 | .poweroff = snd_soc_poweroff, |
Mark Brown | 416356f | 2009-06-30 19:05:15 +0100 | [diff] [blame] | 2084 | }; |
Stephen Warren | deb2607 | 2011-04-05 19:35:30 -0600 | [diff] [blame] | 2085 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
Mark Brown | 416356f | 2009-06-30 19:05:15 +0100 | [diff] [blame] | 2086 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2087 | /* ASoC platform driver */ |
| 2088 | static struct platform_driver soc_driver = { |
| 2089 | .driver = { |
| 2090 | .name = "soc-audio", |
Kay Sievers | 8b45a20 | 2008-04-14 13:33:36 +0200 | [diff] [blame] | 2091 | .owner = THIS_MODULE, |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2092 | .pm = &snd_soc_pm_ops, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2093 | }, |
| 2094 | .probe = soc_probe, |
| 2095 | .remove = soc_remove, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2096 | }; |
| 2097 | |
| 2098 | /* create a new pcm */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2099 | 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] | 2100 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2101 | struct snd_soc_codec *codec = rtd->codec; |
| 2102 | struct snd_soc_platform *platform = rtd->platform; |
| 2103 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 2104 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2105 | struct snd_pcm *pcm; |
| 2106 | char new_name[64]; |
| 2107 | int ret = 0, playback = 0, capture = 0; |
| 2108 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2109 | /* check client and interface hw capabilities */ |
Mark Brown | 40ca114 | 2009-12-24 13:44:28 +0000 | [diff] [blame] | 2110 | snprintf(new_name, sizeof(new_name), "%s %s-%d", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2111 | rtd->dai_link->stream_name, codec_dai->name, num); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2112 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2113 | if (codec_dai->driver->playback.channels_min) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2114 | playback = 1; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2115 | if (codec_dai->driver->capture.channels_min) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2116 | capture = 1; |
| 2117 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2118 | dev_dbg(rtd->card->dev, "registered pcm #%d %s\n",num,new_name); |
| 2119 | ret = snd_pcm_new(rtd->card->snd_card, new_name, |
| 2120 | num, playback, capture, &pcm); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2121 | if (ret < 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2122 | 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] | 2123 | return ret; |
| 2124 | } |
| 2125 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2126 | rtd->pcm = pcm; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2127 | pcm->private_data = rtd; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2128 | soc_pcm_ops.mmap = platform->driver->ops->mmap; |
| 2129 | soc_pcm_ops.pointer = platform->driver->ops->pointer; |
| 2130 | soc_pcm_ops.ioctl = platform->driver->ops->ioctl; |
| 2131 | soc_pcm_ops.copy = platform->driver->ops->copy; |
| 2132 | soc_pcm_ops.silence = platform->driver->ops->silence; |
| 2133 | soc_pcm_ops.ack = platform->driver->ops->ack; |
| 2134 | soc_pcm_ops.page = platform->driver->ops->page; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2135 | |
| 2136 | if (playback) |
| 2137 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops); |
| 2138 | |
| 2139 | if (capture) |
| 2140 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops); |
| 2141 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2142 | ret = platform->driver->pcm_new(rtd->card->snd_card, codec_dai, pcm); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2143 | if (ret < 0) { |
| 2144 | printk(KERN_ERR "asoc: platform pcm constructor failed\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2145 | return ret; |
| 2146 | } |
| 2147 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2148 | pcm->private_free = platform->driver->pcm_free; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2149 | printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name, |
| 2150 | cpu_dai->name); |
| 2151 | return ret; |
| 2152 | } |
| 2153 | |
Mark Brown | 096e49d | 2009-07-05 15:12:22 +0100 | [diff] [blame] | 2154 | /** |
| 2155 | * snd_soc_codec_volatile_register: Report if a register is volatile. |
| 2156 | * |
| 2157 | * @codec: CODEC to query. |
| 2158 | * @reg: Register to query. |
| 2159 | * |
| 2160 | * Boolean function indiciating if a CODEC register is volatile. |
| 2161 | */ |
Mark Brown | 181e055 | 2011-01-24 14:05:25 +0000 | [diff] [blame] | 2162 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
| 2163 | unsigned int reg) |
Mark Brown | 096e49d | 2009-07-05 15:12:22 +0100 | [diff] [blame] | 2164 | { |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 2165 | if (codec->volatile_register) |
| 2166 | return codec->volatile_register(codec, reg); |
Mark Brown | 096e49d | 2009-07-05 15:12:22 +0100 | [diff] [blame] | 2167 | else |
| 2168 | return 0; |
| 2169 | } |
| 2170 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); |
| 2171 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2172 | /** |
Dimitris Papastamos | 239c970 | 2011-03-24 13:45:18 +0000 | [diff] [blame] | 2173 | * snd_soc_codec_readable_register: Report if a register is readable. |
| 2174 | * |
| 2175 | * @codec: CODEC to query. |
| 2176 | * @reg: Register to query. |
| 2177 | * |
| 2178 | * Boolean function indicating if a CODEC register is readable. |
| 2179 | */ |
| 2180 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, |
| 2181 | unsigned int reg) |
| 2182 | { |
| 2183 | if (codec->readable_register) |
| 2184 | return codec->readable_register(codec, reg); |
| 2185 | else |
| 2186 | return 0; |
| 2187 | } |
| 2188 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); |
| 2189 | |
| 2190 | /** |
| 2191 | * snd_soc_codec_writable_register: Report if a register is writable. |
| 2192 | * |
| 2193 | * @codec: CODEC to query. |
| 2194 | * @reg: Register to query. |
| 2195 | * |
| 2196 | * Boolean function indicating if a CODEC register is writable. |
| 2197 | */ |
| 2198 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, |
| 2199 | unsigned int reg) |
| 2200 | { |
| 2201 | if (codec->writable_register) |
| 2202 | return codec->writable_register(codec, reg); |
| 2203 | else |
| 2204 | return 0; |
| 2205 | } |
| 2206 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); |
| 2207 | |
| 2208 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2209 | * snd_soc_new_ac97_codec - initailise AC97 device |
| 2210 | * @codec: audio codec |
| 2211 | * @ops: AC97 bus operations |
| 2212 | * @num: AC97 codec number |
| 2213 | * |
| 2214 | * Initialises AC97 codec resources for use by ad-hoc devices only. |
| 2215 | */ |
| 2216 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, |
| 2217 | struct snd_ac97_bus_ops *ops, int num) |
| 2218 | { |
| 2219 | mutex_lock(&codec->mutex); |
| 2220 | |
| 2221 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); |
| 2222 | if (codec->ac97 == NULL) { |
| 2223 | mutex_unlock(&codec->mutex); |
| 2224 | return -ENOMEM; |
| 2225 | } |
| 2226 | |
| 2227 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); |
| 2228 | if (codec->ac97->bus == NULL) { |
| 2229 | kfree(codec->ac97); |
| 2230 | codec->ac97 = NULL; |
| 2231 | mutex_unlock(&codec->mutex); |
| 2232 | return -ENOMEM; |
| 2233 | } |
| 2234 | |
| 2235 | codec->ac97->bus->ops = ops; |
| 2236 | codec->ac97->num = num; |
Mika Westerberg | 0562f78 | 2010-10-13 11:30:32 +0300 | [diff] [blame] | 2237 | |
| 2238 | /* |
| 2239 | * Mark the AC97 device to be created by us. This way we ensure that the |
| 2240 | * device will be registered with the device subsystem later on. |
| 2241 | */ |
| 2242 | codec->ac97_created = 1; |
| 2243 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2244 | mutex_unlock(&codec->mutex); |
| 2245 | return 0; |
| 2246 | } |
| 2247 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); |
| 2248 | |
| 2249 | /** |
| 2250 | * snd_soc_free_ac97_codec - free AC97 codec device |
| 2251 | * @codec: audio codec |
| 2252 | * |
| 2253 | * Frees AC97 codec device resources. |
| 2254 | */ |
| 2255 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) |
| 2256 | { |
| 2257 | mutex_lock(&codec->mutex); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2258 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 2259 | soc_unregister_ac97_dai_link(codec); |
| 2260 | #endif |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2261 | kfree(codec->ac97->bus); |
| 2262 | kfree(codec->ac97); |
| 2263 | codec->ac97 = NULL; |
Mika Westerberg | 0562f78 | 2010-10-13 11:30:32 +0300 | [diff] [blame] | 2264 | codec->ac97_created = 0; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2265 | mutex_unlock(&codec->mutex); |
| 2266 | } |
| 2267 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); |
| 2268 | |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2269 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
| 2270 | { |
| 2271 | unsigned int ret; |
| 2272 | |
Mark Brown | c3acec2 | 2010-12-02 16:15:29 +0000 | [diff] [blame] | 2273 | ret = codec->read(codec, reg); |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2274 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
Mark Brown | a8b1d34 | 2010-11-03 18:05:58 -0400 | [diff] [blame] | 2275 | trace_snd_soc_reg_read(codec, reg, ret); |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2276 | |
| 2277 | return ret; |
| 2278 | } |
| 2279 | EXPORT_SYMBOL_GPL(snd_soc_read); |
| 2280 | |
| 2281 | unsigned int snd_soc_write(struct snd_soc_codec *codec, |
| 2282 | unsigned int reg, unsigned int val) |
| 2283 | { |
| 2284 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); |
Mark Brown | a8b1d34 | 2010-11-03 18:05:58 -0400 | [diff] [blame] | 2285 | trace_snd_soc_reg_write(codec, reg, val); |
Mark Brown | c3acec2 | 2010-12-02 16:15:29 +0000 | [diff] [blame] | 2286 | return codec->write(codec, reg, val); |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2287 | } |
| 2288 | EXPORT_SYMBOL_GPL(snd_soc_write); |
| 2289 | |
Dimitris Papastamos | 5fb609d | 2011-03-22 10:37:03 +0000 | [diff] [blame] | 2290 | unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, |
| 2291 | unsigned int reg, const void *data, size_t len) |
| 2292 | { |
| 2293 | return codec->bulk_write_raw(codec, reg, data, len); |
| 2294 | } |
| 2295 | EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); |
| 2296 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2297 | /** |
| 2298 | * snd_soc_update_bits - update codec register bits |
| 2299 | * @codec: audio codec |
| 2300 | * @reg: codec register |
| 2301 | * @mask: register mask |
| 2302 | * @value: new value |
| 2303 | * |
| 2304 | * Writes new register value. |
| 2305 | * |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2306 | * Returns 1 for change, 0 for no change, or negative error code. |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2307 | */ |
| 2308 | 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] | 2309 | unsigned int mask, unsigned int value) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2310 | { |
| 2311 | int change; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2312 | unsigned int old, new; |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2313 | int ret; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2314 | |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2315 | ret = snd_soc_read(codec, reg); |
| 2316 | if (ret < 0) |
| 2317 | return ret; |
| 2318 | |
| 2319 | old = ret; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2320 | new = (old & ~mask) | value; |
| 2321 | change = old != new; |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2322 | if (change) { |
| 2323 | ret = snd_soc_write(codec, reg, new); |
| 2324 | if (ret < 0) |
| 2325 | return ret; |
| 2326 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2327 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2328 | return change; |
| 2329 | } |
| 2330 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); |
| 2331 | |
| 2332 | /** |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2333 | * snd_soc_update_bits_locked - update codec register bits |
| 2334 | * @codec: audio codec |
| 2335 | * @reg: codec register |
| 2336 | * @mask: register mask |
| 2337 | * @value: new value |
| 2338 | * |
| 2339 | * Writes new register value, and takes the codec mutex. |
| 2340 | * |
| 2341 | * Returns 1 for change else 0. |
| 2342 | */ |
Mark Brown | dd1b3d5 | 2009-12-04 14:22:03 +0000 | [diff] [blame] | 2343 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
| 2344 | unsigned short reg, unsigned int mask, |
| 2345 | unsigned int value) |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2346 | { |
| 2347 | int change; |
| 2348 | |
| 2349 | mutex_lock(&codec->mutex); |
| 2350 | change = snd_soc_update_bits(codec, reg, mask, value); |
| 2351 | mutex_unlock(&codec->mutex); |
| 2352 | |
| 2353 | return change; |
| 2354 | } |
Mark Brown | dd1b3d5 | 2009-12-04 14:22:03 +0000 | [diff] [blame] | 2355 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2356 | |
| 2357 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2358 | * snd_soc_test_bits - test register for change |
| 2359 | * @codec: audio codec |
| 2360 | * @reg: codec register |
| 2361 | * @mask: register mask |
| 2362 | * @value: new value |
| 2363 | * |
| 2364 | * Tests a register with a new value and checks if the new value is |
| 2365 | * different from the old value. |
| 2366 | * |
| 2367 | * Returns 1 for change else 0. |
| 2368 | */ |
| 2369 | 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] | 2370 | unsigned int mask, unsigned int value) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2371 | { |
| 2372 | int change; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2373 | unsigned int old, new; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2374 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2375 | old = snd_soc_read(codec, reg); |
| 2376 | new = (old & ~mask) | value; |
| 2377 | change = old != new; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2378 | |
| 2379 | return change; |
| 2380 | } |
| 2381 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); |
| 2382 | |
| 2383 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2384 | * snd_soc_set_runtime_hwparams - set the runtime hardware parameters |
| 2385 | * @substream: the pcm substream |
| 2386 | * @hw: the hardware parameters |
| 2387 | * |
| 2388 | * Sets the substream runtime hardware parameters. |
| 2389 | */ |
| 2390 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, |
| 2391 | const struct snd_pcm_hardware *hw) |
| 2392 | { |
| 2393 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 2394 | runtime->hw.info = hw->info; |
| 2395 | runtime->hw.formats = hw->formats; |
| 2396 | runtime->hw.period_bytes_min = hw->period_bytes_min; |
| 2397 | runtime->hw.period_bytes_max = hw->period_bytes_max; |
| 2398 | runtime->hw.periods_min = hw->periods_min; |
| 2399 | runtime->hw.periods_max = hw->periods_max; |
| 2400 | runtime->hw.buffer_bytes_max = hw->buffer_bytes_max; |
| 2401 | runtime->hw.fifo_size = hw->fifo_size; |
| 2402 | return 0; |
| 2403 | } |
| 2404 | EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); |
| 2405 | |
| 2406 | /** |
| 2407 | * snd_soc_cnew - create new control |
| 2408 | * @_template: control template |
| 2409 | * @data: control private data |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2410 | * @long_name: control long name |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 2411 | * @prefix: control name prefix |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2412 | * |
| 2413 | * Create a new mixer control from a template control. |
| 2414 | * |
| 2415 | * Returns 0 for success, else error. |
| 2416 | */ |
| 2417 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 2418 | void *data, char *long_name, |
| 2419 | const char *prefix) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2420 | { |
| 2421 | struct snd_kcontrol_new template; |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 2422 | struct snd_kcontrol *kcontrol; |
| 2423 | char *name = NULL; |
| 2424 | int name_len; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2425 | |
| 2426 | memcpy(&template, _template, sizeof(template)); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2427 | template.index = 0; |
| 2428 | |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 2429 | if (!long_name) |
| 2430 | long_name = template.name; |
| 2431 | |
| 2432 | if (prefix) { |
| 2433 | name_len = strlen(long_name) + strlen(prefix) + 2; |
| 2434 | name = kmalloc(name_len, GFP_ATOMIC); |
| 2435 | if (!name) |
| 2436 | return NULL; |
| 2437 | |
| 2438 | snprintf(name, name_len, "%s %s", prefix, long_name); |
| 2439 | |
| 2440 | template.name = name; |
| 2441 | } else { |
| 2442 | template.name = long_name; |
| 2443 | } |
| 2444 | |
| 2445 | kcontrol = snd_ctl_new1(&template, data); |
| 2446 | |
| 2447 | kfree(name); |
| 2448 | |
| 2449 | return kcontrol; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2450 | } |
| 2451 | EXPORT_SYMBOL_GPL(snd_soc_cnew); |
| 2452 | |
| 2453 | /** |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2454 | * snd_soc_add_controls - add an array of controls to a codec. |
| 2455 | * Convienience function to add a list of controls. Many codecs were |
| 2456 | * duplicating this code. |
| 2457 | * |
| 2458 | * @codec: codec to add controls to |
| 2459 | * @controls: array of controls to add |
| 2460 | * @num_controls: number of elements in the array |
| 2461 | * |
| 2462 | * Return 0 for success, else error. |
| 2463 | */ |
| 2464 | int snd_soc_add_controls(struct snd_soc_codec *codec, |
| 2465 | const struct snd_kcontrol_new *controls, int num_controls) |
| 2466 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2467 | struct snd_card *card = codec->card->snd_card; |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2468 | int err, i; |
| 2469 | |
| 2470 | for (i = 0; i < num_controls; i++) { |
| 2471 | const struct snd_kcontrol_new *control = &controls[i]; |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 2472 | err = snd_ctl_add(card, snd_soc_cnew(control, codec, |
| 2473 | control->name, |
| 2474 | codec->name_prefix)); |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2475 | if (err < 0) { |
Mark Brown | 082100d | 2010-09-20 19:03:28 +0100 | [diff] [blame] | 2476 | dev_err(codec->dev, "%s: Failed to add %s: %d\n", |
Mark Brown | efb7ac3 | 2011-03-08 17:23:24 +0000 | [diff] [blame] | 2477 | codec->name, control->name, err); |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2478 | return err; |
| 2479 | } |
| 2480 | } |
| 2481 | |
| 2482 | return 0; |
| 2483 | } |
| 2484 | EXPORT_SYMBOL_GPL(snd_soc_add_controls); |
| 2485 | |
| 2486 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2487 | * snd_soc_info_enum_double - enumerated double mixer info callback |
| 2488 | * @kcontrol: mixer control |
| 2489 | * @uinfo: control element information |
| 2490 | * |
| 2491 | * Callback to provide information about a double enumerated |
| 2492 | * mixer control. |
| 2493 | * |
| 2494 | * Returns 0 for success. |
| 2495 | */ |
| 2496 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, |
| 2497 | struct snd_ctl_elem_info *uinfo) |
| 2498 | { |
| 2499 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| 2500 | |
| 2501 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 2502 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2503 | uinfo->value.enumerated.items = e->max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2504 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2505 | if (uinfo->value.enumerated.item > e->max - 1) |
| 2506 | uinfo->value.enumerated.item = e->max - 1; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2507 | strcpy(uinfo->value.enumerated.name, |
| 2508 | e->texts[uinfo->value.enumerated.item]); |
| 2509 | return 0; |
| 2510 | } |
| 2511 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); |
| 2512 | |
| 2513 | /** |
| 2514 | * snd_soc_get_enum_double - enumerated double mixer get callback |
| 2515 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2516 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2517 | * |
| 2518 | * Callback to get the value of a double enumerated mixer. |
| 2519 | * |
| 2520 | * Returns 0 for success. |
| 2521 | */ |
| 2522 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, |
| 2523 | struct snd_ctl_elem_value *ucontrol) |
| 2524 | { |
| 2525 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 2526 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2527 | unsigned int val, bitmask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2528 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2529 | for (bitmask = 1; bitmask < e->max; bitmask <<= 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2530 | ; |
| 2531 | val = snd_soc_read(codec, e->reg); |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 2532 | ucontrol->value.enumerated.item[0] |
| 2533 | = (val >> e->shift_l) & (bitmask - 1); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2534 | if (e->shift_l != e->shift_r) |
| 2535 | ucontrol->value.enumerated.item[1] = |
| 2536 | (val >> e->shift_r) & (bitmask - 1); |
| 2537 | |
| 2538 | return 0; |
| 2539 | } |
| 2540 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); |
| 2541 | |
| 2542 | /** |
| 2543 | * snd_soc_put_enum_double - enumerated double mixer put callback |
| 2544 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2545 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2546 | * |
| 2547 | * Callback to set the value of a double enumerated mixer. |
| 2548 | * |
| 2549 | * Returns 0 for success. |
| 2550 | */ |
| 2551 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, |
| 2552 | struct snd_ctl_elem_value *ucontrol) |
| 2553 | { |
| 2554 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 2555 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2556 | unsigned int val; |
| 2557 | unsigned int mask, bitmask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2558 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2559 | for (bitmask = 1; bitmask < e->max; bitmask <<= 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2560 | ; |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2561 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2562 | return -EINVAL; |
| 2563 | val = ucontrol->value.enumerated.item[0] << e->shift_l; |
| 2564 | mask = (bitmask - 1) << e->shift_l; |
| 2565 | if (e->shift_l != e->shift_r) { |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2566 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2567 | return -EINVAL; |
| 2568 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; |
| 2569 | mask |= (bitmask - 1) << e->shift_r; |
| 2570 | } |
| 2571 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2572 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2573 | } |
| 2574 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); |
| 2575 | |
| 2576 | /** |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2577 | * snd_soc_get_value_enum_double - semi enumerated double mixer get callback |
| 2578 | * @kcontrol: mixer control |
| 2579 | * @ucontrol: control element information |
| 2580 | * |
| 2581 | * Callback to get the value of a double semi enumerated mixer. |
| 2582 | * |
| 2583 | * Semi enumerated mixer: the enumerated items are referred as values. Can be |
| 2584 | * used for handling bitfield coded enumeration for example. |
| 2585 | * |
| 2586 | * Returns 0 for success. |
| 2587 | */ |
| 2588 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, |
| 2589 | struct snd_ctl_elem_value *ucontrol) |
| 2590 | { |
| 2591 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Peter Ujfalusi | 7415555 | 2009-01-08 13:34:29 +0200 | [diff] [blame] | 2592 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2593 | unsigned int reg_val, val, mux; |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2594 | |
| 2595 | reg_val = snd_soc_read(codec, e->reg); |
| 2596 | val = (reg_val >> e->shift_l) & e->mask; |
| 2597 | for (mux = 0; mux < e->max; mux++) { |
| 2598 | if (val == e->values[mux]) |
| 2599 | break; |
| 2600 | } |
| 2601 | ucontrol->value.enumerated.item[0] = mux; |
| 2602 | if (e->shift_l != e->shift_r) { |
| 2603 | val = (reg_val >> e->shift_r) & e->mask; |
| 2604 | for (mux = 0; mux < e->max; mux++) { |
| 2605 | if (val == e->values[mux]) |
| 2606 | break; |
| 2607 | } |
| 2608 | ucontrol->value.enumerated.item[1] = mux; |
| 2609 | } |
| 2610 | |
| 2611 | return 0; |
| 2612 | } |
| 2613 | EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); |
| 2614 | |
| 2615 | /** |
| 2616 | * snd_soc_put_value_enum_double - semi enumerated double mixer put callback |
| 2617 | * @kcontrol: mixer control |
| 2618 | * @ucontrol: control element information |
| 2619 | * |
| 2620 | * Callback to set the value of a double semi enumerated mixer. |
| 2621 | * |
| 2622 | * Semi enumerated mixer: the enumerated items are referred as values. Can be |
| 2623 | * used for handling bitfield coded enumeration for example. |
| 2624 | * |
| 2625 | * Returns 0 for success. |
| 2626 | */ |
| 2627 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, |
| 2628 | struct snd_ctl_elem_value *ucontrol) |
| 2629 | { |
| 2630 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Peter Ujfalusi | 7415555 | 2009-01-08 13:34:29 +0200 | [diff] [blame] | 2631 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2632 | unsigned int val; |
| 2633 | unsigned int mask; |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2634 | |
| 2635 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
| 2636 | return -EINVAL; |
| 2637 | val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; |
| 2638 | mask = e->mask << e->shift_l; |
| 2639 | if (e->shift_l != e->shift_r) { |
| 2640 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
| 2641 | return -EINVAL; |
| 2642 | val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; |
| 2643 | mask |= e->mask << e->shift_r; |
| 2644 | } |
| 2645 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2646 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2647 | } |
| 2648 | EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); |
| 2649 | |
| 2650 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2651 | * snd_soc_info_enum_ext - external enumerated single mixer info callback |
| 2652 | * @kcontrol: mixer control |
| 2653 | * @uinfo: control element information |
| 2654 | * |
| 2655 | * Callback to provide information about an external enumerated |
| 2656 | * single mixer. |
| 2657 | * |
| 2658 | * Returns 0 for success. |
| 2659 | */ |
| 2660 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, |
| 2661 | struct snd_ctl_elem_info *uinfo) |
| 2662 | { |
| 2663 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| 2664 | |
| 2665 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 2666 | uinfo->count = 1; |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2667 | uinfo->value.enumerated.items = e->max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2668 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2669 | if (uinfo->value.enumerated.item > e->max - 1) |
| 2670 | uinfo->value.enumerated.item = e->max - 1; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2671 | strcpy(uinfo->value.enumerated.name, |
| 2672 | e->texts[uinfo->value.enumerated.item]); |
| 2673 | return 0; |
| 2674 | } |
| 2675 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); |
| 2676 | |
| 2677 | /** |
| 2678 | * snd_soc_info_volsw_ext - external single mixer info callback |
| 2679 | * @kcontrol: mixer control |
| 2680 | * @uinfo: control element information |
| 2681 | * |
| 2682 | * Callback to provide information about a single external mixer control. |
| 2683 | * |
| 2684 | * Returns 0 for success. |
| 2685 | */ |
| 2686 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, |
| 2687 | struct snd_ctl_elem_info *uinfo) |
| 2688 | { |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2689 | int max = kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2690 | |
Mark Brown | fd5dfad | 2009-04-15 21:37:46 +0100 | [diff] [blame] | 2691 | if (max == 1 && !strstr(kcontrol->id.name, " Volume")) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2692 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 2693 | else |
| 2694 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2695 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2696 | uinfo->count = 1; |
| 2697 | uinfo->value.integer.min = 0; |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2698 | uinfo->value.integer.max = max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2699 | return 0; |
| 2700 | } |
| 2701 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); |
| 2702 | |
| 2703 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2704 | * snd_soc_info_volsw - single mixer info callback |
| 2705 | * @kcontrol: mixer control |
| 2706 | * @uinfo: control element information |
| 2707 | * |
| 2708 | * Callback to provide information about a single mixer control. |
| 2709 | * |
| 2710 | * Returns 0 for success. |
| 2711 | */ |
| 2712 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, |
| 2713 | struct snd_ctl_elem_info *uinfo) |
| 2714 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2715 | struct soc_mixer_control *mc = |
| 2716 | (struct soc_mixer_control *)kcontrol->private_value; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2717 | int platform_max; |
Mark Brown | 762b8df | 2008-10-30 12:37:08 +0000 | [diff] [blame] | 2718 | unsigned int shift = mc->shift; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2719 | unsigned int rshift = mc->rshift; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2720 | |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2721 | if (!mc->platform_max) |
| 2722 | mc->platform_max = mc->max; |
| 2723 | platform_max = mc->platform_max; |
| 2724 | |
| 2725 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2726 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 2727 | else |
| 2728 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2729 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2730 | uinfo->count = shift == rshift ? 1 : 2; |
| 2731 | uinfo->value.integer.min = 0; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2732 | uinfo->value.integer.max = platform_max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2733 | return 0; |
| 2734 | } |
| 2735 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); |
| 2736 | |
| 2737 | /** |
| 2738 | * snd_soc_get_volsw - single mixer get callback |
| 2739 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2740 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2741 | * |
| 2742 | * Callback to get the value of a single mixer control. |
| 2743 | * |
| 2744 | * Returns 0 for success. |
| 2745 | */ |
| 2746 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
| 2747 | struct snd_ctl_elem_value *ucontrol) |
| 2748 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2749 | struct soc_mixer_control *mc = |
| 2750 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2751 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2752 | unsigned int reg = mc->reg; |
| 2753 | unsigned int shift = mc->shift; |
| 2754 | unsigned int rshift = mc->rshift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2755 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2756 | unsigned int mask = (1 << fls(max)) - 1; |
| 2757 | unsigned int invert = mc->invert; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2758 | |
| 2759 | ucontrol->value.integer.value[0] = |
| 2760 | (snd_soc_read(codec, reg) >> shift) & mask; |
| 2761 | if (shift != rshift) |
| 2762 | ucontrol->value.integer.value[1] = |
| 2763 | (snd_soc_read(codec, reg) >> rshift) & mask; |
| 2764 | if (invert) { |
| 2765 | ucontrol->value.integer.value[0] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2766 | max - ucontrol->value.integer.value[0]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2767 | if (shift != rshift) |
| 2768 | ucontrol->value.integer.value[1] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2769 | max - ucontrol->value.integer.value[1]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2770 | } |
| 2771 | |
| 2772 | return 0; |
| 2773 | } |
| 2774 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); |
| 2775 | |
| 2776 | /** |
| 2777 | * snd_soc_put_volsw - single mixer put callback |
| 2778 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2779 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2780 | * |
| 2781 | * Callback to set the value of a single mixer control. |
| 2782 | * |
| 2783 | * Returns 0 for success. |
| 2784 | */ |
| 2785 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
| 2786 | struct snd_ctl_elem_value *ucontrol) |
| 2787 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2788 | struct soc_mixer_control *mc = |
| 2789 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2790 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2791 | unsigned int reg = mc->reg; |
| 2792 | unsigned int shift = mc->shift; |
| 2793 | unsigned int rshift = mc->rshift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2794 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2795 | unsigned int mask = (1 << fls(max)) - 1; |
| 2796 | unsigned int invert = mc->invert; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2797 | unsigned int val, val2, val_mask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2798 | |
| 2799 | val = (ucontrol->value.integer.value[0] & mask); |
| 2800 | if (invert) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2801 | val = max - val; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2802 | val_mask = mask << shift; |
| 2803 | val = val << shift; |
| 2804 | if (shift != rshift) { |
| 2805 | val2 = (ucontrol->value.integer.value[1] & mask); |
| 2806 | if (invert) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2807 | val2 = max - val2; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2808 | val_mask |= mask << rshift; |
| 2809 | val |= val2 << rshift; |
| 2810 | } |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2811 | return snd_soc_update_bits_locked(codec, reg, val_mask, val); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2812 | } |
| 2813 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
| 2814 | |
| 2815 | /** |
| 2816 | * snd_soc_info_volsw_2r - double mixer info callback |
| 2817 | * @kcontrol: mixer control |
| 2818 | * @uinfo: control element information |
| 2819 | * |
| 2820 | * Callback to provide information about a double mixer control that |
| 2821 | * spans 2 codec registers. |
| 2822 | * |
| 2823 | * Returns 0 for success. |
| 2824 | */ |
| 2825 | int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, |
| 2826 | struct snd_ctl_elem_info *uinfo) |
| 2827 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2828 | struct soc_mixer_control *mc = |
| 2829 | (struct soc_mixer_control *)kcontrol->private_value; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2830 | int platform_max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2831 | |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2832 | if (!mc->platform_max) |
| 2833 | mc->platform_max = mc->max; |
| 2834 | platform_max = mc->platform_max; |
| 2835 | |
| 2836 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2837 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 2838 | else |
| 2839 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2840 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2841 | uinfo->count = 2; |
| 2842 | uinfo->value.integer.min = 0; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2843 | uinfo->value.integer.max = platform_max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2844 | return 0; |
| 2845 | } |
| 2846 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r); |
| 2847 | |
| 2848 | /** |
| 2849 | * snd_soc_get_volsw_2r - double mixer get callback |
| 2850 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2851 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2852 | * |
| 2853 | * Callback to get the value of a double mixer control that spans 2 registers. |
| 2854 | * |
| 2855 | * Returns 0 for success. |
| 2856 | */ |
| 2857 | int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, |
| 2858 | struct snd_ctl_elem_value *ucontrol) |
| 2859 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2860 | struct soc_mixer_control *mc = |
| 2861 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2862 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2863 | unsigned int reg = mc->reg; |
| 2864 | unsigned int reg2 = mc->rreg; |
| 2865 | unsigned int shift = mc->shift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2866 | int max = mc->max; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2867 | unsigned int mask = (1 << fls(max)) - 1; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2868 | unsigned int invert = mc->invert; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2869 | |
| 2870 | ucontrol->value.integer.value[0] = |
| 2871 | (snd_soc_read(codec, reg) >> shift) & mask; |
| 2872 | ucontrol->value.integer.value[1] = |
| 2873 | (snd_soc_read(codec, reg2) >> shift) & mask; |
| 2874 | if (invert) { |
| 2875 | ucontrol->value.integer.value[0] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2876 | max - ucontrol->value.integer.value[0]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2877 | ucontrol->value.integer.value[1] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2878 | max - ucontrol->value.integer.value[1]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2879 | } |
| 2880 | |
| 2881 | return 0; |
| 2882 | } |
| 2883 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r); |
| 2884 | |
| 2885 | /** |
| 2886 | * snd_soc_put_volsw_2r - double mixer set callback |
| 2887 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2888 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2889 | * |
| 2890 | * Callback to set the value of a double mixer control that spans 2 registers. |
| 2891 | * |
| 2892 | * Returns 0 for success. |
| 2893 | */ |
| 2894 | int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, |
| 2895 | struct snd_ctl_elem_value *ucontrol) |
| 2896 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2897 | struct soc_mixer_control *mc = |
| 2898 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2899 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2900 | unsigned int reg = mc->reg; |
| 2901 | unsigned int reg2 = mc->rreg; |
| 2902 | unsigned int shift = mc->shift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2903 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2904 | unsigned int mask = (1 << fls(max)) - 1; |
| 2905 | unsigned int invert = mc->invert; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2906 | int err; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2907 | unsigned int val, val2, val_mask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2908 | |
| 2909 | val_mask = mask << shift; |
| 2910 | val = (ucontrol->value.integer.value[0] & mask); |
| 2911 | val2 = (ucontrol->value.integer.value[1] & mask); |
| 2912 | |
| 2913 | if (invert) { |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2914 | val = max - val; |
| 2915 | val2 = max - val2; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2916 | } |
| 2917 | |
| 2918 | val = val << shift; |
| 2919 | val2 = val2 << shift; |
| 2920 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2921 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 2922 | if (err < 0) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2923 | return err; |
| 2924 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2925 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2926 | return err; |
| 2927 | } |
| 2928 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r); |
| 2929 | |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2930 | /** |
| 2931 | * snd_soc_info_volsw_s8 - signed mixer info callback |
| 2932 | * @kcontrol: mixer control |
| 2933 | * @uinfo: control element information |
| 2934 | * |
| 2935 | * Callback to provide information about a signed mixer control. |
| 2936 | * |
| 2937 | * Returns 0 for success. |
| 2938 | */ |
| 2939 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, |
| 2940 | struct snd_ctl_elem_info *uinfo) |
| 2941 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2942 | struct soc_mixer_control *mc = |
| 2943 | (struct soc_mixer_control *)kcontrol->private_value; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2944 | int platform_max; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2945 | int min = mc->min; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2946 | |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2947 | if (!mc->platform_max) |
| 2948 | mc->platform_max = mc->max; |
| 2949 | platform_max = mc->platform_max; |
| 2950 | |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2951 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2952 | uinfo->count = 2; |
| 2953 | uinfo->value.integer.min = 0; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2954 | uinfo->value.integer.max = platform_max - min; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2955 | return 0; |
| 2956 | } |
| 2957 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); |
| 2958 | |
| 2959 | /** |
| 2960 | * snd_soc_get_volsw_s8 - signed mixer get callback |
| 2961 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2962 | * @ucontrol: control element information |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2963 | * |
| 2964 | * Callback to get the value of a signed mixer control. |
| 2965 | * |
| 2966 | * Returns 0 for success. |
| 2967 | */ |
| 2968 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, |
| 2969 | struct snd_ctl_elem_value *ucontrol) |
| 2970 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2971 | struct soc_mixer_control *mc = |
| 2972 | (struct soc_mixer_control *)kcontrol->private_value; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2973 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2974 | unsigned int reg = mc->reg; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2975 | int min = mc->min; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2976 | int val = snd_soc_read(codec, reg); |
| 2977 | |
| 2978 | ucontrol->value.integer.value[0] = |
| 2979 | ((signed char)(val & 0xff))-min; |
| 2980 | ucontrol->value.integer.value[1] = |
| 2981 | ((signed char)((val >> 8) & 0xff))-min; |
| 2982 | return 0; |
| 2983 | } |
| 2984 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); |
| 2985 | |
| 2986 | /** |
| 2987 | * snd_soc_put_volsw_sgn - signed mixer put callback |
| 2988 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2989 | * @ucontrol: control element information |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2990 | * |
| 2991 | * Callback to set the value of a signed mixer control. |
| 2992 | * |
| 2993 | * Returns 0 for success. |
| 2994 | */ |
| 2995 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, |
| 2996 | struct snd_ctl_elem_value *ucontrol) |
| 2997 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2998 | struct soc_mixer_control *mc = |
| 2999 | (struct soc_mixer_control *)kcontrol->private_value; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 3000 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 3001 | unsigned int reg = mc->reg; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 3002 | int min = mc->min; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 3003 | unsigned int val; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 3004 | |
| 3005 | val = (ucontrol->value.integer.value[0]+min) & 0xff; |
| 3006 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; |
| 3007 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 3008 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 3009 | } |
| 3010 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); |
| 3011 | |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3012 | /** |
Peter Ujfalusi | 637d384 | 2010-05-07 14:05:49 +0300 | [diff] [blame] | 3013 | * snd_soc_limit_volume - Set new limit to an existing volume control. |
| 3014 | * |
| 3015 | * @codec: where to look for the control |
| 3016 | * @name: Name of the control |
| 3017 | * @max: new maximum limit |
| 3018 | * |
| 3019 | * Return 0 for success, else error. |
| 3020 | */ |
| 3021 | int snd_soc_limit_volume(struct snd_soc_codec *codec, |
| 3022 | const char *name, int max) |
| 3023 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3024 | struct snd_card *card = codec->card->snd_card; |
Peter Ujfalusi | 637d384 | 2010-05-07 14:05:49 +0300 | [diff] [blame] | 3025 | struct snd_kcontrol *kctl; |
| 3026 | struct soc_mixer_control *mc; |
| 3027 | int found = 0; |
| 3028 | int ret = -EINVAL; |
| 3029 | |
| 3030 | /* Sanity check for name and max */ |
| 3031 | if (unlikely(!name || max <= 0)) |
| 3032 | return -EINVAL; |
| 3033 | |
| 3034 | list_for_each_entry(kctl, &card->controls, list) { |
| 3035 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { |
| 3036 | found = 1; |
| 3037 | break; |
| 3038 | } |
| 3039 | } |
| 3040 | if (found) { |
| 3041 | mc = (struct soc_mixer_control *)kctl->private_value; |
| 3042 | if (max <= mc->max) { |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 3043 | mc->platform_max = max; |
Peter Ujfalusi | 637d384 | 2010-05-07 14:05:49 +0300 | [diff] [blame] | 3044 | ret = 0; |
| 3045 | } |
| 3046 | } |
| 3047 | return ret; |
| 3048 | } |
| 3049 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); |
| 3050 | |
| 3051 | /** |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 3052 | * snd_soc_info_volsw_2r_sx - double with tlv and variable data size |
| 3053 | * mixer info callback |
| 3054 | * @kcontrol: mixer control |
| 3055 | * @uinfo: control element information |
| 3056 | * |
| 3057 | * Returns 0 for success. |
| 3058 | */ |
| 3059 | int snd_soc_info_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 3060 | struct snd_ctl_elem_info *uinfo) |
| 3061 | { |
| 3062 | struct soc_mixer_control *mc = |
| 3063 | (struct soc_mixer_control *)kcontrol->private_value; |
| 3064 | int max = mc->max; |
| 3065 | int min = mc->min; |
| 3066 | |
| 3067 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 3068 | uinfo->count = 2; |
| 3069 | uinfo->value.integer.min = 0; |
| 3070 | uinfo->value.integer.max = max-min; |
| 3071 | |
| 3072 | return 0; |
| 3073 | } |
| 3074 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r_sx); |
| 3075 | |
| 3076 | /** |
| 3077 | * snd_soc_get_volsw_2r_sx - double with tlv and variable data size |
| 3078 | * mixer get callback |
| 3079 | * @kcontrol: mixer control |
| 3080 | * @uinfo: control element information |
| 3081 | * |
| 3082 | * Returns 0 for success. |
| 3083 | */ |
| 3084 | int snd_soc_get_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 3085 | struct snd_ctl_elem_value *ucontrol) |
| 3086 | { |
| 3087 | struct soc_mixer_control *mc = |
| 3088 | (struct soc_mixer_control *)kcontrol->private_value; |
| 3089 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 3090 | unsigned int mask = (1<<mc->shift)-1; |
| 3091 | int min = mc->min; |
| 3092 | int val = snd_soc_read(codec, mc->reg) & mask; |
| 3093 | int valr = snd_soc_read(codec, mc->rreg) & mask; |
| 3094 | |
Stuart Longland | 20630c7 | 2010-06-18 12:56:10 +1000 | [diff] [blame] | 3095 | ucontrol->value.integer.value[0] = ((val & 0xff)-min) & mask; |
| 3096 | ucontrol->value.integer.value[1] = ((valr & 0xff)-min) & mask; |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 3097 | return 0; |
| 3098 | } |
| 3099 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r_sx); |
| 3100 | |
| 3101 | /** |
| 3102 | * snd_soc_put_volsw_2r_sx - double with tlv and variable data size |
| 3103 | * mixer put callback |
| 3104 | * @kcontrol: mixer control |
| 3105 | * @uinfo: control element information |
| 3106 | * |
| 3107 | * Returns 0 for success. |
| 3108 | */ |
| 3109 | int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 3110 | struct snd_ctl_elem_value *ucontrol) |
| 3111 | { |
| 3112 | struct soc_mixer_control *mc = |
| 3113 | (struct soc_mixer_control *)kcontrol->private_value; |
| 3114 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 3115 | unsigned int mask = (1<<mc->shift)-1; |
| 3116 | int min = mc->min; |
| 3117 | int ret; |
| 3118 | unsigned int val, valr, oval, ovalr; |
| 3119 | |
| 3120 | val = ((ucontrol->value.integer.value[0]+min) & 0xff); |
| 3121 | val &= mask; |
| 3122 | valr = ((ucontrol->value.integer.value[1]+min) & 0xff); |
| 3123 | valr &= mask; |
| 3124 | |
| 3125 | oval = snd_soc_read(codec, mc->reg) & mask; |
| 3126 | ovalr = snd_soc_read(codec, mc->rreg) & mask; |
| 3127 | |
| 3128 | ret = 0; |
| 3129 | if (oval != val) { |
| 3130 | ret = snd_soc_write(codec, mc->reg, val); |
| 3131 | if (ret < 0) |
Mark Brown | f1df5ae | 2010-06-15 15:14:31 +0100 | [diff] [blame] | 3132 | return ret; |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 3133 | } |
| 3134 | if (ovalr != valr) { |
| 3135 | ret = snd_soc_write(codec, mc->rreg, valr); |
| 3136 | if (ret < 0) |
Mark Brown | f1df5ae | 2010-06-15 15:14:31 +0100 | [diff] [blame] | 3137 | return ret; |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 3138 | } |
| 3139 | |
| 3140 | return 0; |
| 3141 | } |
| 3142 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r_sx); |
| 3143 | |
| 3144 | /** |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3145 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. |
| 3146 | * @dai: DAI |
| 3147 | * @clk_id: DAI specific clock ID |
| 3148 | * @freq: new clock frequency in Hz |
| 3149 | * @dir: new clock direction - input/output. |
| 3150 | * |
| 3151 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. |
| 3152 | */ |
| 3153 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, |
| 3154 | unsigned int freq, int dir) |
| 3155 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3156 | if (dai->driver && dai->driver->ops->set_sysclk) |
| 3157 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3158 | else if (dai->codec && dai->codec->driver->set_sysclk) |
| 3159 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, |
| 3160 | freq, dir); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3161 | else |
| 3162 | return -EINVAL; |
| 3163 | } |
| 3164 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); |
| 3165 | |
| 3166 | /** |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3167 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. |
| 3168 | * @codec: CODEC |
| 3169 | * @clk_id: DAI specific clock ID |
| 3170 | * @freq: new clock frequency in Hz |
| 3171 | * @dir: new clock direction - input/output. |
| 3172 | * |
| 3173 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. |
| 3174 | */ |
| 3175 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
| 3176 | unsigned int freq, int dir) |
| 3177 | { |
| 3178 | if (codec->driver->set_sysclk) |
| 3179 | return codec->driver->set_sysclk(codec, clk_id, freq, dir); |
| 3180 | else |
| 3181 | return -EINVAL; |
| 3182 | } |
| 3183 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); |
| 3184 | |
| 3185 | /** |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3186 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. |
| 3187 | * @dai: DAI |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3188 | * @div_id: DAI specific clock divider ID |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3189 | * @div: new clock divisor. |
| 3190 | * |
| 3191 | * Configures the clock dividers. This is used to derive the best DAI bit and |
| 3192 | * frame clocks from the system or master clock. It's best to set the DAI bit |
| 3193 | * and frame clocks as low as possible to save system power. |
| 3194 | */ |
| 3195 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, |
| 3196 | int div_id, int div) |
| 3197 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3198 | if (dai->driver && dai->driver->ops->set_clkdiv) |
| 3199 | return dai->driver->ops->set_clkdiv(dai, div_id, div); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3200 | else |
| 3201 | return -EINVAL; |
| 3202 | } |
| 3203 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); |
| 3204 | |
| 3205 | /** |
| 3206 | * snd_soc_dai_set_pll - configure DAI PLL. |
| 3207 | * @dai: DAI |
| 3208 | * @pll_id: DAI specific PLL ID |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 3209 | * @source: DAI specific source for the PLL |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3210 | * @freq_in: PLL input clock frequency in Hz |
| 3211 | * @freq_out: requested PLL output clock frequency in Hz |
| 3212 | * |
| 3213 | * Configures and enables PLL to generate output clock based on input clock. |
| 3214 | */ |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 3215 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
| 3216 | unsigned int freq_in, unsigned int freq_out) |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3217 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3218 | if (dai->driver && dai->driver->ops->set_pll) |
| 3219 | return dai->driver->ops->set_pll(dai, pll_id, source, |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 3220 | freq_in, freq_out); |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3221 | else if (dai->codec && dai->codec->driver->set_pll) |
| 3222 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, |
| 3223 | freq_in, freq_out); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3224 | else |
| 3225 | return -EINVAL; |
| 3226 | } |
| 3227 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); |
| 3228 | |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3229 | /* |
| 3230 | * snd_soc_codec_set_pll - configure codec PLL. |
| 3231 | * @codec: CODEC |
| 3232 | * @pll_id: DAI specific PLL ID |
| 3233 | * @source: DAI specific source for the PLL |
| 3234 | * @freq_in: PLL input clock frequency in Hz |
| 3235 | * @freq_out: requested PLL output clock frequency in Hz |
| 3236 | * |
| 3237 | * Configures and enables PLL to generate output clock based on input clock. |
| 3238 | */ |
| 3239 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, |
| 3240 | unsigned int freq_in, unsigned int freq_out) |
| 3241 | { |
| 3242 | if (codec->driver->set_pll) |
| 3243 | return codec->driver->set_pll(codec, pll_id, source, |
| 3244 | freq_in, freq_out); |
| 3245 | else |
| 3246 | return -EINVAL; |
| 3247 | } |
| 3248 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); |
| 3249 | |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3250 | /** |
| 3251 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. |
| 3252 | * @dai: DAI |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3253 | * @fmt: SND_SOC_DAIFMT_ format value. |
| 3254 | * |
| 3255 | * Configures the DAI hardware format and clocking. |
| 3256 | */ |
| 3257 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 3258 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3259 | if (dai->driver && dai->driver->ops->set_fmt) |
| 3260 | return dai->driver->ops->set_fmt(dai, fmt); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3261 | else |
| 3262 | return -EINVAL; |
| 3263 | } |
| 3264 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); |
| 3265 | |
| 3266 | /** |
| 3267 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. |
| 3268 | * @dai: DAI |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3269 | * @tx_mask: bitmask representing active TX slots. |
| 3270 | * @rx_mask: bitmask representing active RX slots. |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3271 | * @slots: Number of slots in use. |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3272 | * @slot_width: Width in bits for each slot. |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3273 | * |
| 3274 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI |
| 3275 | * specific. |
| 3276 | */ |
| 3277 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3278 | 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] | 3279 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3280 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
| 3281 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3282 | slots, slot_width); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3283 | else |
| 3284 | return -EINVAL; |
| 3285 | } |
| 3286 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); |
| 3287 | |
| 3288 | /** |
Barry Song | 472df3c | 2009-09-12 01:16:29 +0800 | [diff] [blame] | 3289 | * snd_soc_dai_set_channel_map - configure DAI audio channel map |
| 3290 | * @dai: DAI |
| 3291 | * @tx_num: how many TX channels |
| 3292 | * @tx_slot: pointer to an array which imply the TX slot number channel |
| 3293 | * 0~num-1 uses |
| 3294 | * @rx_num: how many RX channels |
| 3295 | * @rx_slot: pointer to an array which imply the RX slot number channel |
| 3296 | * 0~num-1 uses |
| 3297 | * |
| 3298 | * configure the relationship between channel number and TDM slot number. |
| 3299 | */ |
| 3300 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, |
| 3301 | unsigned int tx_num, unsigned int *tx_slot, |
| 3302 | unsigned int rx_num, unsigned int *rx_slot) |
| 3303 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3304 | if (dai->driver && dai->driver->ops->set_channel_map) |
| 3305 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, |
Barry Song | 472df3c | 2009-09-12 01:16:29 +0800 | [diff] [blame] | 3306 | rx_num, rx_slot); |
| 3307 | else |
| 3308 | return -EINVAL; |
| 3309 | } |
| 3310 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); |
| 3311 | |
| 3312 | /** |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3313 | * snd_soc_dai_set_tristate - configure DAI system or master clock. |
| 3314 | * @dai: DAI |
| 3315 | * @tristate: tristate enable |
| 3316 | * |
| 3317 | * Tristates the DAI so that others can use it. |
| 3318 | */ |
| 3319 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) |
| 3320 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3321 | if (dai->driver && dai->driver->ops->set_tristate) |
| 3322 | return dai->driver->ops->set_tristate(dai, tristate); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3323 | else |
| 3324 | return -EINVAL; |
| 3325 | } |
| 3326 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); |
| 3327 | |
| 3328 | /** |
| 3329 | * snd_soc_dai_digital_mute - configure DAI system or master clock. |
| 3330 | * @dai: DAI |
| 3331 | * @mute: mute enable |
| 3332 | * |
| 3333 | * Mutes the DAI DAC. |
| 3334 | */ |
| 3335 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute) |
| 3336 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3337 | if (dai->driver && dai->driver->ops->digital_mute) |
| 3338 | return dai->driver->ops->digital_mute(dai, mute); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3339 | else |
| 3340 | return -EINVAL; |
| 3341 | } |
| 3342 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); |
| 3343 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3344 | /** |
| 3345 | * snd_soc_register_card - Register a card with the ASoC core |
| 3346 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3347 | * @card: Card to register |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3348 | * |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3349 | */ |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3350 | int snd_soc_register_card(struct snd_soc_card *card) |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3351 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3352 | int i; |
| 3353 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3354 | if (!card->name || !card->dev) |
| 3355 | return -EINVAL; |
| 3356 | |
Stephen Warren | 111c641 | 2011-01-28 14:26:35 -0700 | [diff] [blame] | 3357 | snd_soc_initialize_card_lists(card); |
| 3358 | |
Vinod Koul | 150dd2f | 2011-01-13 22:48:32 +0530 | [diff] [blame] | 3359 | soc_init_card_debugfs(card); |
| 3360 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 3361 | card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * |
| 3362 | (card->num_links + card->num_aux_devs), |
| 3363 | GFP_KERNEL); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3364 | if (card->rtd == NULL) |
| 3365 | return -ENOMEM; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 3366 | card->rtd_aux = &card->rtd[card->num_links]; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3367 | |
| 3368 | for (i = 0; i < card->num_links; i++) |
| 3369 | card->rtd[i].dai_link = &card->dai_link[i]; |
| 3370 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3371 | INIT_LIST_HEAD(&card->list); |
| 3372 | card->instantiated = 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3373 | mutex_init(&card->mutex); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3374 | |
| 3375 | mutex_lock(&client_mutex); |
| 3376 | list_add(&card->list, &card_list); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 3377 | snd_soc_instantiate_cards(); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3378 | mutex_unlock(&client_mutex); |
| 3379 | |
| 3380 | dev_dbg(card->dev, "Registered card '%s'\n", card->name); |
| 3381 | |
| 3382 | return 0; |
| 3383 | } |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3384 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3385 | |
| 3386 | /** |
| 3387 | * snd_soc_unregister_card - Unregister a card with the ASoC core |
| 3388 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3389 | * @card: Card to unregister |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3390 | * |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3391 | */ |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3392 | int snd_soc_unregister_card(struct snd_soc_card *card) |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3393 | { |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 3394 | if (card->instantiated) |
| 3395 | soc_cleanup_card_resources(card); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3396 | mutex_lock(&client_mutex); |
| 3397 | list_del(&card->list); |
| 3398 | mutex_unlock(&client_mutex); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3399 | dev_dbg(card->dev, "Unregistered card '%s'\n", card->name); |
| 3400 | |
| 3401 | return 0; |
| 3402 | } |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3403 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3404 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3405 | /* |
| 3406 | * Simplify DAI link configuration by removing ".-1" from device names |
| 3407 | * and sanitizing names. |
| 3408 | */ |
Dimitris Papastamos | 0b9a214 | 2010-12-06 15:49:20 +0000 | [diff] [blame] | 3409 | static char *fmt_single_name(struct device *dev, int *id) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3410 | { |
| 3411 | char *found, name[NAME_SIZE]; |
| 3412 | int id1, id2; |
| 3413 | |
| 3414 | if (dev_name(dev) == NULL) |
| 3415 | return NULL; |
| 3416 | |
Dimitris Papastamos | 58818a7 | 2010-12-06 15:42:17 +0000 | [diff] [blame] | 3417 | strlcpy(name, dev_name(dev), NAME_SIZE); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3418 | |
| 3419 | /* are we a "%s.%d" name (platform and SPI components) */ |
| 3420 | found = strstr(name, dev->driver->name); |
| 3421 | if (found) { |
| 3422 | /* get ID */ |
| 3423 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { |
| 3424 | |
| 3425 | /* discard ID from name if ID == -1 */ |
| 3426 | if (*id == -1) |
| 3427 | found[strlen(dev->driver->name)] = '\0'; |
| 3428 | } |
| 3429 | |
| 3430 | } else { |
| 3431 | /* I2C component devices are named "bus-addr" */ |
| 3432 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { |
| 3433 | char tmp[NAME_SIZE]; |
| 3434 | |
| 3435 | /* create unique ID number from I2C addr and bus */ |
Jarkko Nikula | 0589944 | 2010-10-19 11:10:45 +0300 | [diff] [blame] | 3436 | *id = ((id1 & 0xffff) << 16) + id2; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3437 | |
| 3438 | /* sanitize component name for DAI link creation */ |
| 3439 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); |
Dimitris Papastamos | 58818a7 | 2010-12-06 15:42:17 +0000 | [diff] [blame] | 3440 | strlcpy(name, tmp, NAME_SIZE); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3441 | } else |
| 3442 | *id = 0; |
| 3443 | } |
| 3444 | |
| 3445 | return kstrdup(name, GFP_KERNEL); |
| 3446 | } |
| 3447 | |
| 3448 | /* |
| 3449 | * Simplify DAI link naming for single devices with multiple DAIs by removing |
| 3450 | * any ".-1" and using the DAI name (instead of device name). |
| 3451 | */ |
| 3452 | static inline char *fmt_multiple_name(struct device *dev, |
| 3453 | struct snd_soc_dai_driver *dai_drv) |
| 3454 | { |
| 3455 | if (dai_drv->name == NULL) { |
| 3456 | printk(KERN_ERR "asoc: error - multiple DAI %s registered with no name\n", |
| 3457 | dev_name(dev)); |
| 3458 | return NULL; |
| 3459 | } |
| 3460 | |
| 3461 | return kstrdup(dai_drv->name, GFP_KERNEL); |
| 3462 | } |
| 3463 | |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3464 | /** |
| 3465 | * snd_soc_register_dai - Register a DAI with the ASoC core |
| 3466 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3467 | * @dai: DAI to register |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3468 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3469 | int snd_soc_register_dai(struct device *dev, |
| 3470 | struct snd_soc_dai_driver *dai_drv) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3471 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3472 | struct snd_soc_dai *dai; |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3473 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3474 | dev_dbg(dev, "dai register %s\n", dev_name(dev)); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3475 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3476 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
| 3477 | if (dai == NULL) |
Lu Guanqun | a739362 | 2011-04-20 16:00:51 +0800 | [diff] [blame] | 3478 | return -ENOMEM; |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 3479 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3480 | /* create DAI component name */ |
| 3481 | dai->name = fmt_single_name(dev, &dai->id); |
| 3482 | if (dai->name == NULL) { |
| 3483 | kfree(dai); |
| 3484 | return -ENOMEM; |
| 3485 | } |
| 3486 | |
| 3487 | dai->dev = dev; |
| 3488 | dai->driver = dai_drv; |
| 3489 | if (!dai->driver->ops) |
| 3490 | dai->driver->ops = &null_dai_ops; |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3491 | |
| 3492 | mutex_lock(&client_mutex); |
| 3493 | list_add(&dai->list, &dai_list); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 3494 | snd_soc_instantiate_cards(); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3495 | mutex_unlock(&client_mutex); |
| 3496 | |
| 3497 | pr_debug("Registered DAI '%s'\n", dai->name); |
| 3498 | |
| 3499 | return 0; |
| 3500 | } |
| 3501 | EXPORT_SYMBOL_GPL(snd_soc_register_dai); |
| 3502 | |
| 3503 | /** |
| 3504 | * snd_soc_unregister_dai - Unregister a DAI from the ASoC core |
| 3505 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3506 | * @dai: DAI to unregister |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3507 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3508 | void snd_soc_unregister_dai(struct device *dev) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3509 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3510 | struct snd_soc_dai *dai; |
| 3511 | |
| 3512 | list_for_each_entry(dai, &dai_list, list) { |
| 3513 | if (dev == dai->dev) |
| 3514 | goto found; |
| 3515 | } |
| 3516 | return; |
| 3517 | |
| 3518 | found: |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3519 | mutex_lock(&client_mutex); |
| 3520 | list_del(&dai->list); |
| 3521 | mutex_unlock(&client_mutex); |
| 3522 | |
| 3523 | pr_debug("Unregistered DAI '%s'\n", dai->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3524 | kfree(dai->name); |
| 3525 | kfree(dai); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3526 | } |
| 3527 | EXPORT_SYMBOL_GPL(snd_soc_unregister_dai); |
| 3528 | |
| 3529 | /** |
| 3530 | * snd_soc_register_dais - Register multiple DAIs with the ASoC core |
| 3531 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3532 | * @dai: Array of DAIs to register |
| 3533 | * @count: Number of DAIs |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3534 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3535 | int snd_soc_register_dais(struct device *dev, |
| 3536 | struct snd_soc_dai_driver *dai_drv, size_t count) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3537 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3538 | struct snd_soc_dai *dai; |
| 3539 | int i, ret = 0; |
| 3540 | |
Liam Girdwood | 720ffa4 | 2010-08-18 00:30:30 +0100 | [diff] [blame] | 3541 | dev_dbg(dev, "dai register %s #%Zu\n", dev_name(dev), count); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3542 | |
| 3543 | for (i = 0; i < count; i++) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3544 | |
| 3545 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
Axel Lin | c46e007 | 2010-11-03 15:04:45 +0800 | [diff] [blame] | 3546 | if (dai == NULL) { |
| 3547 | ret = -ENOMEM; |
| 3548 | goto err; |
| 3549 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3550 | |
| 3551 | /* create DAI component name */ |
| 3552 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); |
| 3553 | if (dai->name == NULL) { |
| 3554 | kfree(dai); |
| 3555 | ret = -EINVAL; |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3556 | goto err; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3557 | } |
| 3558 | |
| 3559 | dai->dev = dev; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3560 | dai->driver = &dai_drv[i]; |
Mark Brown | 0f9141c | 2010-10-12 15:43:21 +0100 | [diff] [blame] | 3561 | if (dai->driver->id) |
| 3562 | dai->id = dai->driver->id; |
| 3563 | else |
| 3564 | dai->id = i; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3565 | if (!dai->driver->ops) |
| 3566 | dai->driver->ops = &null_dai_ops; |
| 3567 | |
| 3568 | mutex_lock(&client_mutex); |
| 3569 | list_add(&dai->list, &dai_list); |
| 3570 | mutex_unlock(&client_mutex); |
| 3571 | |
| 3572 | pr_debug("Registered DAI '%s'\n", dai->name); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3573 | } |
| 3574 | |
Axel Lin | 1dcb4f3 | 2010-12-06 16:48:03 +0800 | [diff] [blame] | 3575 | mutex_lock(&client_mutex); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3576 | snd_soc_instantiate_cards(); |
Axel Lin | 1dcb4f3 | 2010-12-06 16:48:03 +0800 | [diff] [blame] | 3577 | mutex_unlock(&client_mutex); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3578 | return 0; |
| 3579 | |
| 3580 | err: |
| 3581 | for (i--; i >= 0; i--) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3582 | snd_soc_unregister_dai(dev); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3583 | |
| 3584 | return ret; |
| 3585 | } |
| 3586 | EXPORT_SYMBOL_GPL(snd_soc_register_dais); |
| 3587 | |
| 3588 | /** |
| 3589 | * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core |
| 3590 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3591 | * @dai: Array of DAIs to unregister |
| 3592 | * @count: Number of DAIs |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3593 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3594 | void snd_soc_unregister_dais(struct device *dev, size_t count) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3595 | { |
| 3596 | int i; |
| 3597 | |
| 3598 | for (i = 0; i < count; i++) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3599 | snd_soc_unregister_dai(dev); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3600 | } |
| 3601 | EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); |
| 3602 | |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3603 | /** |
| 3604 | * snd_soc_register_platform - Register a platform with the ASoC core |
| 3605 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3606 | * @platform: platform to register |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3607 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3608 | int snd_soc_register_platform(struct device *dev, |
| 3609 | struct snd_soc_platform_driver *platform_drv) |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3610 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3611 | struct snd_soc_platform *platform; |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3612 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3613 | dev_dbg(dev, "platform register %s\n", dev_name(dev)); |
| 3614 | |
| 3615 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
| 3616 | if (platform == NULL) |
Lu Guanqun | a739362 | 2011-04-20 16:00:51 +0800 | [diff] [blame] | 3617 | return -ENOMEM; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3618 | |
| 3619 | /* create platform component name */ |
| 3620 | platform->name = fmt_single_name(dev, &platform->id); |
| 3621 | if (platform->name == NULL) { |
| 3622 | kfree(platform); |
| 3623 | return -ENOMEM; |
| 3624 | } |
| 3625 | |
| 3626 | platform->dev = dev; |
| 3627 | platform->driver = platform_drv; |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3628 | |
| 3629 | mutex_lock(&client_mutex); |
| 3630 | list_add(&platform->list, &platform_list); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 3631 | snd_soc_instantiate_cards(); |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3632 | mutex_unlock(&client_mutex); |
| 3633 | |
| 3634 | pr_debug("Registered platform '%s'\n", platform->name); |
| 3635 | |
| 3636 | return 0; |
| 3637 | } |
| 3638 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); |
| 3639 | |
| 3640 | /** |
| 3641 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core |
| 3642 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3643 | * @platform: platform to unregister |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3644 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3645 | void snd_soc_unregister_platform(struct device *dev) |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3646 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3647 | struct snd_soc_platform *platform; |
| 3648 | |
| 3649 | list_for_each_entry(platform, &platform_list, list) { |
| 3650 | if (dev == platform->dev) |
| 3651 | goto found; |
| 3652 | } |
| 3653 | return; |
| 3654 | |
| 3655 | found: |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3656 | mutex_lock(&client_mutex); |
| 3657 | list_del(&platform->list); |
| 3658 | mutex_unlock(&client_mutex); |
| 3659 | |
| 3660 | pr_debug("Unregistered platform '%s'\n", platform->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3661 | kfree(platform->name); |
| 3662 | kfree(platform); |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3663 | } |
| 3664 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); |
| 3665 | |
Mark Brown | 151ab22 | 2009-05-09 16:22:58 +0100 | [diff] [blame] | 3666 | static u64 codec_format_map[] = { |
| 3667 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, |
| 3668 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, |
| 3669 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, |
| 3670 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, |
| 3671 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, |
| 3672 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, |
| 3673 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, |
| 3674 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, |
| 3675 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, |
| 3676 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, |
| 3677 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, |
| 3678 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, |
| 3679 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, |
| 3680 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, |
| 3681 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE |
| 3682 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, |
| 3683 | }; |
| 3684 | |
| 3685 | /* Fix up the DAI formats for endianness: codecs don't actually see |
| 3686 | * the endianness of the data but we're using the CPU format |
| 3687 | * definitions which do need to include endianness so we ensure that |
| 3688 | * codec DAIs always have both big and little endian variants set. |
| 3689 | */ |
| 3690 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) |
| 3691 | { |
| 3692 | int i; |
| 3693 | |
| 3694 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) |
| 3695 | if (stream->formats & codec_format_map[i]) |
| 3696 | stream->formats |= codec_format_map[i]; |
| 3697 | } |
| 3698 | |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3699 | /** |
| 3700 | * snd_soc_register_codec - Register a codec with the ASoC core |
| 3701 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3702 | * @codec: codec to register |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3703 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3704 | int snd_soc_register_codec(struct device *dev, |
Mark Brown | 001ae4c | 2010-12-02 16:21:08 +0000 | [diff] [blame] | 3705 | const struct snd_soc_codec_driver *codec_drv, |
| 3706 | struct snd_soc_dai_driver *dai_drv, |
| 3707 | int num_dai) |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3708 | { |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3709 | size_t reg_size; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3710 | struct snd_soc_codec *codec; |
| 3711 | int ret, i; |
Mark Brown | 151ab22 | 2009-05-09 16:22:58 +0100 | [diff] [blame] | 3712 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3713 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3714 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3715 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); |
| 3716 | if (codec == NULL) |
| 3717 | return -ENOMEM; |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3718 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3719 | /* create CODEC component name */ |
| 3720 | codec->name = fmt_single_name(dev, &codec->id); |
| 3721 | if (codec->name == NULL) { |
| 3722 | kfree(codec); |
| 3723 | return -ENOMEM; |
Mark Brown | 151ab22 | 2009-05-09 16:22:58 +0100 | [diff] [blame] | 3724 | } |
| 3725 | |
Dimitris Papastamos | 23bbce3 | 2010-12-02 14:53:01 +0000 | [diff] [blame] | 3726 | if (codec_drv->compress_type) |
| 3727 | codec->compress_type = codec_drv->compress_type; |
| 3728 | else |
| 3729 | codec->compress_type = SND_SOC_FLAT_COMPRESSION; |
| 3730 | |
Mark Brown | c3acec2 | 2010-12-02 16:15:29 +0000 | [diff] [blame] | 3731 | codec->write = codec_drv->write; |
| 3732 | codec->read = codec_drv->read; |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 3733 | codec->volatile_register = codec_drv->volatile_register; |
| 3734 | codec->readable_register = codec_drv->readable_register; |
Dimitris Papastamos | 8020454 | 2011-03-24 13:45:17 +0000 | [diff] [blame] | 3735 | codec->writable_register = codec_drv->writable_register; |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3736 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
| 3737 | codec->dapm.dev = dev; |
| 3738 | codec->dapm.codec = codec; |
Mark Brown | 474b62d | 2011-01-18 16:14:44 +0000 | [diff] [blame] | 3739 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3740 | codec->dev = dev; |
| 3741 | codec->driver = codec_drv; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3742 | codec->num_dai = num_dai; |
| 3743 | mutex_init(&codec->mutex); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3744 | |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 3745 | /* allocate CODEC register cache */ |
| 3746 | if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3747 | reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; |
Dimitris Papastamos | aea170a | 2011-01-12 10:38:58 +0000 | [diff] [blame] | 3748 | codec->reg_size = reg_size; |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3749 | /* it is necessary to make a copy of the default register cache |
| 3750 | * because in the case of using a compression type that requires |
| 3751 | * the default register cache to be marked as __devinitconst the |
| 3752 | * kernel might have freed the array by the time we initialize |
| 3753 | * the cache. |
| 3754 | */ |
Dimitris Papastamos | 2aa8632 | 2011-01-10 10:10:56 +0000 | [diff] [blame] | 3755 | if (codec_drv->reg_cache_default) { |
| 3756 | codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, |
| 3757 | reg_size, GFP_KERNEL); |
| 3758 | if (!codec->reg_def_copy) { |
| 3759 | ret = -ENOMEM; |
| 3760 | goto fail; |
| 3761 | } |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 3762 | } |
| 3763 | } |
| 3764 | |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 3765 | if (codec_drv->reg_access_size && codec_drv->reg_access_default) { |
| 3766 | if (!codec->volatile_register) |
| 3767 | codec->volatile_register = snd_soc_default_volatile_register; |
| 3768 | if (!codec->readable_register) |
| 3769 | codec->readable_register = snd_soc_default_readable_register; |
Dimitris Papastamos | 8020454 | 2011-03-24 13:45:17 +0000 | [diff] [blame] | 3770 | if (!codec->writable_register) |
| 3771 | codec->writable_register = snd_soc_default_writable_register; |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 3772 | } |
| 3773 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3774 | for (i = 0; i < num_dai; i++) { |
| 3775 | fixup_codec_formats(&dai_drv[i].playback); |
| 3776 | fixup_codec_formats(&dai_drv[i].capture); |
| 3777 | } |
| 3778 | |
Mark Brown | 26b01cc | 2010-08-18 20:20:55 +0100 | [diff] [blame] | 3779 | /* register any DAIs */ |
| 3780 | if (num_dai) { |
| 3781 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); |
| 3782 | if (ret < 0) |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 3783 | goto fail; |
Mark Brown | 26b01cc | 2010-08-18 20:20:55 +0100 | [diff] [blame] | 3784 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3785 | |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3786 | mutex_lock(&client_mutex); |
| 3787 | list_add(&codec->list, &codec_list); |
| 3788 | snd_soc_instantiate_cards(); |
| 3789 | mutex_unlock(&client_mutex); |
| 3790 | |
| 3791 | pr_debug("Registered codec '%s'\n", codec->name); |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3792 | return 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3793 | |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 3794 | fail: |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3795 | kfree(codec->reg_def_copy); |
| 3796 | codec->reg_def_copy = NULL; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3797 | kfree(codec->name); |
| 3798 | kfree(codec); |
| 3799 | return ret; |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3800 | } |
| 3801 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); |
| 3802 | |
| 3803 | /** |
| 3804 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core |
| 3805 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3806 | * @codec: codec to unregister |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3807 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3808 | void snd_soc_unregister_codec(struct device *dev) |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3809 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3810 | struct snd_soc_codec *codec; |
| 3811 | int i; |
| 3812 | |
| 3813 | list_for_each_entry(codec, &codec_list, list) { |
| 3814 | if (dev == codec->dev) |
| 3815 | goto found; |
| 3816 | } |
| 3817 | return; |
| 3818 | |
| 3819 | found: |
Mark Brown | 26b01cc | 2010-08-18 20:20:55 +0100 | [diff] [blame] | 3820 | if (codec->num_dai) |
| 3821 | for (i = 0; i < codec->num_dai; i++) |
| 3822 | snd_soc_unregister_dai(dev); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3823 | |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3824 | mutex_lock(&client_mutex); |
| 3825 | list_del(&codec->list); |
| 3826 | mutex_unlock(&client_mutex); |
| 3827 | |
| 3828 | pr_debug("Unregistered codec '%s'\n", codec->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3829 | |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 3830 | snd_soc_cache_exit(codec); |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3831 | kfree(codec->reg_def_copy); |
Dimitris Papastamos | 1aafcd4 | 2010-10-21 13:19:45 +0100 | [diff] [blame] | 3832 | kfree(codec->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3833 | kfree(codec); |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3834 | } |
| 3835 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); |
| 3836 | |
Takashi Iwai | c9b3a40 | 2008-12-10 07:47:22 +0100 | [diff] [blame] | 3837 | static int __init snd_soc_init(void) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3838 | { |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3839 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3840 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
| 3841 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3842 | printk(KERN_WARNING |
| 3843 | "ASoC: Failed to create debugfs directory\n"); |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3844 | snd_soc_debugfs_root = NULL; |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3845 | } |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 3846 | |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3847 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 3848 | &codec_list_fops)) |
| 3849 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); |
| 3850 | |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3851 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 3852 | &dai_list_fops)) |
| 3853 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 3854 | |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3855 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 3856 | &platform_list_fops)) |
| 3857 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3858 | #endif |
| 3859 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3860 | return platform_driver_register(&soc_driver); |
| 3861 | } |
Mark Brown | 4abe8e1 | 2010-10-12 17:41:03 +0100 | [diff] [blame] | 3862 | module_init(snd_soc_init); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3863 | |
Mark Brown | 7d8c16a | 2008-11-30 22:11:24 +0000 | [diff] [blame] | 3864 | static void __exit snd_soc_exit(void) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3865 | { |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3866 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3867 | debugfs_remove_recursive(snd_soc_debugfs_root); |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3868 | #endif |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 3869 | platform_driver_unregister(&soc_driver); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3870 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3871 | module_exit(snd_soc_exit); |
| 3872 | |
| 3873 | /* Module information */ |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 3874 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3875 | MODULE_DESCRIPTION("ALSA SoC Core"); |
| 3876 | MODULE_LICENSE("GPL"); |
Kay Sievers | 8b45a20 | 2008-04-14 13:33:36 +0200 | [diff] [blame] | 3877 | MODULE_ALIAS("platform:soc-audio"); |