*
* Copyright 2005 Wolfson Microelectronics PLC.
* Copyright 2005 Openedhand Ltd.
+ * Copyright (C) 2010 Slimlogic Ltd.
+ * Copyright (C) 2010 Texas Instruments Inc.
*
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
* with code, comments and ideas from :-
#include <sound/soc-dapm.h>
#include <sound/initval.h>
+#define NAME_SIZE 32
+
static DEFINE_MUTEX(pcm_mutex);
static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
static int snd_soc_register_card(struct snd_soc_card *card);
static int snd_soc_unregister_card(struct snd_soc_card *card);
+static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
/*
* This is a timeout to do a DAPM powerdown after a stream is closed().
{
int ret, i, step = 1, count = 0;
- if (!codec->reg_cache_size)
+ if (!codec->driver->reg_cache_size)
return 0;
- if (codec->reg_cache_step)
- step = codec->reg_cache_step;
+ if (codec->driver->reg_cache_step)
+ step = codec->driver->reg_cache_step;
count += sprintf(buf, "%s registers\n", codec->name);
- for (i = 0; i < codec->reg_cache_size; i += step) {
- if (codec->readable_register && !codec->readable_register(i))
+ for (i = 0; i < codec->driver->reg_cache_size; i += step) {
+ if (codec->driver->readable_register && !codec->driver->readable_register(i))
continue;
count += sprintf(buf + count, "%2x: ", i);
if (count >= PAGE_SIZE - 1)
break;
- if (codec->display_register) {
- count += codec->display_register(codec, buf + count,
+ if (codec->driver->display_register) {
+ count += codec->driver->display_register(codec, buf + count,
PAGE_SIZE - count, i);
} else {
/* If the read fails it's almost certainly due to
* the register being volatile and the device being
* powered off.
*/
- ret = codec->read(codec, i);
+ ret = codec->driver->read(codec, i);
if (ret >= 0)
count += snprintf(buf + count,
PAGE_SIZE - count,
static ssize_t codec_reg_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct snd_soc_device *devdata = dev_get_drvdata(dev);
- return soc_codec_reg_show(devdata->card->codec, buf);
+ struct snd_soc_pcm_runtime *rtd =
+ container_of(dev, struct snd_soc_pcm_runtime, dev);
+
+ return soc_codec_reg_show(rtd->codec, buf);
}
static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
static ssize_t pmdown_time_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct snd_soc_device *socdev = dev_get_drvdata(dev);
- struct snd_soc_card *card = socdev->card;
+ struct snd_soc_pcm_runtime *rtd =
+ container_of(dev, struct snd_soc_pcm_runtime, dev);
- return sprintf(buf, "%ld\n", card->pmdown_time);
+ return sprintf(buf, "%ld\n", rtd->pmdown_time);
}
static ssize_t pmdown_time_set(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct snd_soc_device *socdev = dev_get_drvdata(dev);
- struct snd_soc_card *card = socdev->card;
+ struct snd_soc_pcm_runtime *rtd =
+ container_of(dev, struct snd_soc_pcm_runtime, dev);
- strict_strtol(buf, 10, &card->pmdown_time);
+ strict_strtol(buf, 10, &rtd->pmdown_time);
return count;
}
return -EFAULT;
buf[buf_size] = 0;
- if (codec->reg_cache_step)
- step = codec->reg_cache_step;
+ if (codec->driver->reg_cache_step)
+ step = codec->driver->reg_cache_step;
while (*start == ' ')
start++;
reg = simple_strtoul(start, &start, 16);
- if ((reg >= codec->reg_cache_size) || (reg % step))
+ if ((reg >= codec->driver->reg_cache_size) || (reg % step))
return -EINVAL;
while (*start == ' ')
start++;
if (strict_strtoul(start, 16, &value))
return -EINVAL;
- codec->write(codec, reg, value);
+ codec->driver->write(codec, reg, value);
return buf_size;
}
.open = codec_reg_open_file,
.read = codec_reg_read_file,
.write = codec_reg_write_file,
+ .llseek = default_llseek,
};
static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
{
- char codec_root[128];
-
- if (codec->dev)
- snprintf(codec_root, sizeof(codec_root),
- "%s.%s", codec->name, dev_name(codec->dev));
- else
- snprintf(codec_root, sizeof(codec_root),
- "%s", codec->name);
-
- codec->debugfs_codec_root = debugfs_create_dir(codec_root,
+ codec->debugfs_codec_root = debugfs_create_dir(codec->name ,
debugfs_root);
if (!codec->debugfs_codec_root) {
printk(KERN_WARNING
debugfs_remove_recursive(codec->debugfs_codec_root);
}
+static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ ssize_t len, ret = 0;
+ struct snd_soc_codec *codec;
+
+ if (!buf)
+ return -ENOMEM;
+
+ list_for_each_entry(codec, &codec_list, list) {
+ len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
+ codec->name);
+ if (len >= 0)
+ ret += len;
+ if (ret > PAGE_SIZE) {
+ ret = PAGE_SIZE;
+ break;
+ }
+ }
+
+ if (ret >= 0)
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+
+ kfree(buf);
+
+ return ret;
+}
+
+static const struct file_operations codec_list_fops = {
+ .read = codec_list_read_file,
+ .llseek = default_llseek,/* read accesses f_pos */
+};
+
+static ssize_t dai_list_read_file(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ ssize_t len, ret = 0;
+ struct snd_soc_dai *dai;
+
+ if (!buf)
+ return -ENOMEM;
+
+ list_for_each_entry(dai, &dai_list, list) {
+ len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name);
+ if (len >= 0)
+ ret += len;
+ if (ret > PAGE_SIZE) {
+ ret = PAGE_SIZE;
+ break;
+ }
+ }
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+
+ kfree(buf);
+
+ return ret;
+}
+
+static const struct file_operations dai_list_fops = {
+ .read = dai_list_read_file,
+ .llseek = default_llseek,/* read accesses f_pos */
+};
+
+static ssize_t platform_list_read_file(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ ssize_t len, ret = 0;
+ struct snd_soc_platform *platform;
+
+ if (!buf)
+ return -ENOMEM;
+
+ list_for_each_entry(platform, &platform_list, list) {
+ len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
+ platform->name);
+ if (len >= 0)
+ ret += len;
+ if (ret > PAGE_SIZE) {
+ ret = PAGE_SIZE;
+ break;
+ }
+ }
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+
+ kfree(buf);
+
+ return ret;
+}
+
+static const struct file_operations platform_list_fops = {
+ .read = platform_list_read_file,
+ .llseek = default_llseek,/* read accesses f_pos */
+};
+
#else
static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
codec->ac97->dev.release = soc_ac97_device_release;
dev_set_name(&codec->ac97->dev, "%d-%d:%s",
- codec->card->number, 0, codec->name);
+ codec->card->snd_card->number, 0, codec->name);
err = device_register(&codec->ac97->dev);
if (err < 0) {
snd_printk(KERN_ERR "Can't register ac97 bus\n");
static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret;
- if (codec_dai->symmetric_rates || cpu_dai->symmetric_rates ||
- machine->symmetric_rates) {
- dev_dbg(card->dev, "Symmetry forces %dHz rate\n",
- machine->rate);
+ if (codec_dai->driver->symmetric_rates || cpu_dai->driver->symmetric_rates ||
+ rtd->dai_link->symmetric_rates) {
+ dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n",
+ rtd->rate);
ret = snd_pcm_hw_constraint_minmax(substream->runtime,
SNDRV_PCM_HW_PARAM_RATE,
- machine->rate,
- machine->rate);
+ rtd->rate,
+ rtd->rate);
if (ret < 0) {
- dev_err(card->dev,
+ dev_err(&rtd->dev,
"Unable to apply rate symmetry constraint: %d\n", ret);
return ret;
}
static int soc_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_card *card = socdev->card;
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
+ struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver;
int ret = 0;
mutex_lock(&pcm_mutex);
/* startup the audio subsystem */
- if (cpu_dai->ops->startup) {
- ret = cpu_dai->ops->startup(substream, cpu_dai);
+ if (cpu_dai->driver->ops->startup) {
+ ret = cpu_dai->driver->ops->startup(substream, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't open interface %s\n",
cpu_dai->name);
}
}
- if (platform->pcm_ops->open) {
- ret = platform->pcm_ops->open(substream);
+ if (platform->driver->ops->open) {
+ ret = platform->driver->ops->open(substream);
if (ret < 0) {
printk(KERN_ERR "asoc: can't open platform %s\n", platform->name);
goto platform_err;
}
}
- if (codec_dai->ops->startup) {
- ret = codec_dai->ops->startup(substream, codec_dai);
+ if (codec_dai->driver->ops->startup) {
+ ret = codec_dai->driver->ops->startup(substream, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't open codec %s\n",
codec_dai->name);
}
}
- if (machine->ops && machine->ops->startup) {
- ret = machine->ops->startup(substream);
+ if (rtd->dai_link->ops && rtd->dai_link->ops->startup) {
+ ret = rtd->dai_link->ops->startup(substream);
if (ret < 0) {
- printk(KERN_ERR "asoc: %s startup failed\n", machine->name);
+ printk(KERN_ERR "asoc: %s startup failed\n", rtd->dai_link->name);
goto machine_err;
}
}
/* Check that the codec and cpu DAI's are compatible */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
runtime->hw.rate_min =
- max(codec_dai->playback.rate_min,
- cpu_dai->playback.rate_min);
+ max(codec_dai_drv->playback.rate_min,
+ cpu_dai_drv->playback.rate_min);
runtime->hw.rate_max =
- min(codec_dai->playback.rate_max,
- cpu_dai->playback.rate_max);
+ min(codec_dai_drv->playback.rate_max,
+ cpu_dai_drv->playback.rate_max);
runtime->hw.channels_min =
- max(codec_dai->playback.channels_min,
- cpu_dai->playback.channels_min);
+ max(codec_dai_drv->playback.channels_min,
+ cpu_dai_drv->playback.channels_min);
runtime->hw.channels_max =
- min(codec_dai->playback.channels_max,
- cpu_dai->playback.channels_max);
+ min(codec_dai_drv->playback.channels_max,
+ cpu_dai_drv->playback.channels_max);
runtime->hw.formats =
- codec_dai->playback.formats & cpu_dai->playback.formats;
+ codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats;
runtime->hw.rates =
- codec_dai->playback.rates & cpu_dai->playback.rates;
- if (codec_dai->playback.rates
+ codec_dai_drv->playback.rates & cpu_dai_drv->playback.rates;
+ if (codec_dai_drv->playback.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= cpu_dai->playback.rates;
- if (cpu_dai->playback.rates
+ runtime->hw.rates |= cpu_dai_drv->playback.rates;
+ if (cpu_dai_drv->playback.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai->playback.rates;
+ runtime->hw.rates |= codec_dai_drv->playback.rates;
} else {
runtime->hw.rate_min =
- max(codec_dai->capture.rate_min,
- cpu_dai->capture.rate_min);
+ max(codec_dai_drv->capture.rate_min,
+ cpu_dai_drv->capture.rate_min);
runtime->hw.rate_max =
- min(codec_dai->capture.rate_max,
- cpu_dai->capture.rate_max);
+ min(codec_dai_drv->capture.rate_max,
+ cpu_dai_drv->capture.rate_max);
runtime->hw.channels_min =
- max(codec_dai->capture.channels_min,
- cpu_dai->capture.channels_min);
+ max(codec_dai_drv->capture.channels_min,
+ cpu_dai_drv->capture.channels_min);
runtime->hw.channels_max =
- min(codec_dai->capture.channels_max,
- cpu_dai->capture.channels_max);
+ min(codec_dai_drv->capture.channels_max,
+ cpu_dai_drv->capture.channels_max);
runtime->hw.formats =
- codec_dai->capture.formats & cpu_dai->capture.formats;
+ codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats;
runtime->hw.rates =
- codec_dai->capture.rates & cpu_dai->capture.rates;
- if (codec_dai->capture.rates
+ codec_dai_drv->capture.rates & cpu_dai_drv->capture.rates;
+ if (codec_dai_drv->capture.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= cpu_dai->capture.rates;
- if (cpu_dai->capture.rates
+ runtime->hw.rates |= cpu_dai_drv->capture.rates;
+ if (cpu_dai_drv->capture.rates
& (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai->capture.rates;
+ runtime->hw.rates |= codec_dai_drv->capture.rates;
}
snd_pcm_limit_hw_rates(runtime);
}
if (!runtime->hw.channels_min || !runtime->hw.channels_max) {
printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
- codec_dai->name, cpu_dai->name);
+ codec_dai->name, cpu_dai->name);
goto config_err;
}
goto config_err;
}
- pr_debug("asoc: %s <-> %s info:\n", codec_dai->name, cpu_dai->name);
+ pr_debug("asoc: %s <-> %s info:\n",
+ codec_dai->name, cpu_dai->name);
pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates);
pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min,
runtime->hw.channels_max);
runtime->hw.rate_max);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- cpu_dai->playback.active++;
- codec_dai->playback.active++;
+ cpu_dai->playback_active++;
+ codec_dai->playback_active++;
} else {
- cpu_dai->capture.active++;
- codec_dai->capture.active++;
+ cpu_dai->capture_active++;
+ codec_dai->capture_active++;
}
cpu_dai->active++;
codec_dai->active++;
- card->codec->active++;
+ rtd->codec->active++;
mutex_unlock(&pcm_mutex);
return 0;
config_err:
- if (machine->ops && machine->ops->shutdown)
- machine->ops->shutdown(substream);
+ if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
+ rtd->dai_link->ops->shutdown(substream);
machine_err:
- if (codec_dai->ops->shutdown)
- codec_dai->ops->shutdown(substream, codec_dai);
+ if (codec_dai->driver->ops->shutdown)
+ codec_dai->driver->ops->shutdown(substream, codec_dai);
codec_dai_err:
- if (platform->pcm_ops->close)
- platform->pcm_ops->close(substream);
+ if (platform->driver->ops->close)
+ platform->driver->ops->close(substream);
platform_err:
- if (cpu_dai->ops->shutdown)
- cpu_dai->ops->shutdown(substream, cpu_dai);
+ if (cpu_dai->driver->ops->shutdown)
+ cpu_dai->driver->ops->shutdown(substream, cpu_dai);
out:
mutex_unlock(&pcm_mutex);
return ret;
*/
static void close_delayed_work(struct work_struct *work)
{
- struct snd_soc_card *card = container_of(work, struct snd_soc_card,
- delayed_work.work);
- struct snd_soc_codec *codec = card->codec;
- struct snd_soc_dai *codec_dai;
- int i;
+ struct snd_soc_pcm_runtime *rtd =
+ container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
mutex_lock(&pcm_mutex);
- for (i = 0; i < codec->num_dai; i++) {
- codec_dai = &codec->dai[i];
-
- pr_debug("pop wq checking: %s status: %s waiting: %s\n",
- codec_dai->playback.stream_name,
- codec_dai->playback.active ? "active" : "inactive",
- codec_dai->pop_wait ? "yes" : "no");
-
- /* are we waiting on this codec DAI stream */
- if (codec_dai->pop_wait == 1) {
- codec_dai->pop_wait = 0;
- snd_soc_dapm_stream_event(codec,
- codec_dai->playback.stream_name,
- SND_SOC_DAPM_STREAM_STOP);
- }
+
+ pr_debug("pop wq checking: %s status: %s waiting: %s\n",
+ codec_dai->driver->playback.stream_name,
+ codec_dai->playback_active ? "active" : "inactive",
+ codec_dai->pop_wait ? "yes" : "no");
+
+ /* are we waiting on this codec DAI stream */
+ if (codec_dai->pop_wait == 1) {
+ codec_dai->pop_wait = 0;
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->playback.stream_name,
+ SND_SOC_DAPM_STREAM_STOP);
}
+
mutex_unlock(&pcm_mutex);
}
static int soc_codec_close(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = card->codec;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_codec *codec = rtd->codec;
mutex_lock(&pcm_mutex);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- cpu_dai->playback.active--;
- codec_dai->playback.active--;
+ cpu_dai->playback_active--;
+ codec_dai->playback_active--;
} else {
- cpu_dai->capture.active--;
- codec_dai->capture.active--;
+ cpu_dai->capture_active--;
+ codec_dai->capture_active--;
}
cpu_dai->active--;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
snd_soc_dai_digital_mute(codec_dai, 1);
- if (cpu_dai->ops->shutdown)
- cpu_dai->ops->shutdown(substream, cpu_dai);
+ if (cpu_dai->driver->ops->shutdown)
+ cpu_dai->driver->ops->shutdown(substream, cpu_dai);
- if (codec_dai->ops->shutdown)
- codec_dai->ops->shutdown(substream, codec_dai);
+ if (codec_dai->driver->ops->shutdown)
+ codec_dai->driver->ops->shutdown(substream, codec_dai);
- if (machine->ops && machine->ops->shutdown)
- machine->ops->shutdown(substream);
+ if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
+ rtd->dai_link->ops->shutdown(substream);
- if (platform->pcm_ops->close)
- platform->pcm_ops->close(substream);
+ if (platform->driver->ops->close)
+ platform->driver->ops->close(substream);
+ cpu_dai->runtime = NULL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/* start delayed pop wq here for playback streams */
codec_dai->pop_wait = 1;
- schedule_delayed_work(&card->delayed_work,
- msecs_to_jiffies(card->pmdown_time));
+ schedule_delayed_work(&rtd->delayed_work,
+ msecs_to_jiffies(rtd->pmdown_time));
} else {
/* capture streams can be powered down now */
- snd_soc_dapm_stream_event(codec,
- codec_dai->capture.stream_name,
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->capture.stream_name,
SND_SOC_DAPM_STREAM_STOP);
}
static int soc_pcm_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = card->codec;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret = 0;
mutex_lock(&pcm_mutex);
- if (machine->ops && machine->ops->prepare) {
- ret = machine->ops->prepare(substream);
+ if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) {
+ ret = rtd->dai_link->ops->prepare(substream);
if (ret < 0) {
printk(KERN_ERR "asoc: machine prepare error\n");
goto out;
}
}
- if (platform->pcm_ops->prepare) {
- ret = platform->pcm_ops->prepare(substream);
+ if (platform->driver->ops->prepare) {
+ ret = platform->driver->ops->prepare(substream);
if (ret < 0) {
printk(KERN_ERR "asoc: platform prepare error\n");
goto out;
}
}
- if (codec_dai->ops->prepare) {
- ret = codec_dai->ops->prepare(substream, codec_dai);
+ if (codec_dai->driver->ops->prepare) {
+ ret = codec_dai->driver->ops->prepare(substream, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: codec DAI prepare error\n");
goto out;
}
}
- if (cpu_dai->ops->prepare) {
- ret = cpu_dai->ops->prepare(substream, cpu_dai);
+ if (cpu_dai->driver->ops->prepare) {
+ ret = cpu_dai->driver->ops->prepare(substream, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: cpu DAI prepare error\n");
goto out;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
codec_dai->pop_wait) {
codec_dai->pop_wait = 0;
- cancel_delayed_work(&card->delayed_work);
+ cancel_delayed_work(&rtd->delayed_work);
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_soc_dapm_stream_event(codec,
- codec_dai->playback.stream_name,
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->playback.stream_name,
SND_SOC_DAPM_STREAM_START);
else
- snd_soc_dapm_stream_event(codec,
- codec_dai->capture.stream_name,
+ snd_soc_dapm_stream_event(rtd,
+ codec_dai->driver->capture.stream_name,
SND_SOC_DAPM_STREAM_START);
snd_soc_dai_digital_mute(codec_dai, 0);
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret = 0;
mutex_lock(&pcm_mutex);
- if (machine->ops && machine->ops->hw_params) {
- ret = machine->ops->hw_params(substream, params);
+ if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) {
+ ret = rtd->dai_link->ops->hw_params(substream, params);
if (ret < 0) {
printk(KERN_ERR "asoc: machine hw_params failed\n");
goto out;
}
}
- if (codec_dai->ops->hw_params) {
- ret = codec_dai->ops->hw_params(substream, params, codec_dai);
+ if (codec_dai->driver->ops->hw_params) {
+ ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: can't set codec %s hw params\n",
codec_dai->name);
}
}
- if (cpu_dai->ops->hw_params) {
- ret = cpu_dai->ops->hw_params(substream, params, cpu_dai);
+ if (cpu_dai->driver->ops->hw_params) {
+ ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai);
if (ret < 0) {
printk(KERN_ERR "asoc: interface %s hw params failed\n",
cpu_dai->name);
}
}
- if (platform->pcm_ops->hw_params) {
- ret = platform->pcm_ops->hw_params(substream, params);
+ if (platform->driver->ops->hw_params) {
+ ret = platform->driver->ops->hw_params(substream, params);
if (ret < 0) {
printk(KERN_ERR "asoc: platform %s hw params failed\n",
platform->name);
}
}
- machine->rate = params_rate(params);
+ rtd->rate = params_rate(params);
out:
mutex_unlock(&pcm_mutex);
return ret;
platform_err:
- if (cpu_dai->ops->hw_free)
- cpu_dai->ops->hw_free(substream, cpu_dai);
+ if (cpu_dai->driver->ops->hw_free)
+ cpu_dai->driver->ops->hw_free(substream, cpu_dai);
interface_err:
- if (codec_dai->ops->hw_free)
- codec_dai->ops->hw_free(substream, codec_dai);
+ if (codec_dai->driver->ops->hw_free)
+ codec_dai->driver->ops->hw_free(substream, codec_dai);
codec_err:
- if (machine->ops && machine->ops->hw_free)
- machine->ops->hw_free(substream);
+ if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
+ rtd->dai_link->ops->hw_free(substream);
mutex_unlock(&pcm_mutex);
return ret;
static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
- struct snd_soc_codec *codec = card->codec;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_codec *codec = rtd->codec;
mutex_lock(&pcm_mutex);
snd_soc_dai_digital_mute(codec_dai, 1);
/* free any machine hw params */
- if (machine->ops && machine->ops->hw_free)
- machine->ops->hw_free(substream);
+ if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
+ rtd->dai_link->ops->hw_free(substream);
/* free any DMA resources */
- if (platform->pcm_ops->hw_free)
- platform->pcm_ops->hw_free(substream);
+ if (platform->driver->ops->hw_free)
+ platform->driver->ops->hw_free(substream);
/* now free hw params for the DAI's */
- if (codec_dai->ops->hw_free)
- codec_dai->ops->hw_free(substream, codec_dai);
+ if (codec_dai->driver->ops->hw_free)
+ codec_dai->driver->ops->hw_free(substream, codec_dai);
- if (cpu_dai->ops->hw_free)
- cpu_dai->ops->hw_free(substream, cpu_dai);
+ if (cpu_dai->driver->ops->hw_free)
+ cpu_dai->driver->ops->hw_free(substream, cpu_dai);
mutex_unlock(&pcm_mutex);
return 0;
static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_card *card= socdev->card;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret;
- if (codec_dai->ops->trigger) {
- ret = codec_dai->ops->trigger(substream, cmd, codec_dai);
+ if (codec_dai->driver->ops->trigger) {
+ ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai);
if (ret < 0)
return ret;
}
- if (platform->pcm_ops->trigger) {
- ret = platform->pcm_ops->trigger(substream, cmd);
+ if (platform->driver->ops->trigger) {
+ ret = platform->driver->ops->trigger(substream, cmd);
if (ret < 0)
return ret;
}
- if (cpu_dai->ops->trigger) {
- ret = cpu_dai->ops->trigger(substream, cmd, cpu_dai);
+ if (cpu_dai->driver->ops->trigger) {
+ ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai);
if (ret < 0)
return ret;
}
static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_device *socdev = rtd->socdev;
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai_link *machine = rtd->dai;
- struct snd_soc_dai *cpu_dai = machine->cpu_dai;
- struct snd_soc_dai *codec_dai = machine->codec_dai;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t offset = 0;
snd_pcm_sframes_t delay = 0;
- if (platform->pcm_ops->pointer)
- offset = platform->pcm_ops->pointer(substream);
+ if (platform->driver->ops->pointer)
+ offset = platform->driver->ops->pointer(substream);
- if (cpu_dai->ops->delay)
- delay += cpu_dai->ops->delay(substream, cpu_dai);
+ if (cpu_dai->driver->ops->delay)
+ delay += cpu_dai->driver->ops->delay(substream, cpu_dai);
- if (codec_dai->ops->delay)
- delay += codec_dai->ops->delay(substream, codec_dai);
+ if (codec_dai->driver->ops->delay)
+ delay += codec_dai->driver->ops->delay(substream, codec_dai);
- if (platform->delay)
- delay += platform->delay(substream, codec_dai);
+ if (platform->driver->delay)
+ delay += platform->driver->delay(substream, codec_dai);
runtime->delay = delay;
static int soc_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = card->codec;
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
int i;
/* If the initialization of this soc device failed, there is no codec
* associated with it. Just bail out in this case.
*/
- if (!codec)
+ if (list_empty(&card->codec_dev_list))
return 0;
/* Due to the resume being scheduled into a workqueue we could
* suspend before that's finished - wait for it to complete.
*/
- snd_power_lock(codec->card);
- snd_power_wait(codec->card, SNDRV_CTL_POWER_D0);
- snd_power_unlock(codec->card);
+ snd_power_lock(card->snd_card);
+ snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0);
+ snd_power_unlock(card->snd_card);
/* we're going to block userspace touching us until resume completes */
- snd_power_change_state(codec->card, SNDRV_CTL_POWER_D3hot);
+ snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot);
/* mute any active DAC's */
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *dai = card->rtd[i].codec_dai;
+ struct snd_soc_dai_driver *drv = dai->driver;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (dai->ops->digital_mute && dai->playback.active)
- dai->ops->digital_mute(dai, 1);
+ if (drv->ops->digital_mute && dai->playback_active)
+ drv->ops->digital_mute(dai, 1);
}
/* suspend all pcms */
- for (i = 0; i < card->num_links; i++) {
- if (card->dai_link[i].ignore_suspend)
+ for (i = 0; i < card->num_rtd; i++) {
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- snd_pcm_suspend_all(card->dai_link[i].pcm);
+ snd_pcm_suspend_all(card->rtd[i].pcm);
}
if (card->suspend_pre)
card->suspend_pre(pdev, PMSG_SUSPEND);
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ struct snd_soc_platform *platform = card->rtd[i].platform;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->suspend && !cpu_dai->ac97_control)
- cpu_dai->suspend(cpu_dai);
- if (platform->suspend)
- platform->suspend(&card->dai_link[i]);
+ if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control)
+ cpu_dai->driver->suspend(cpu_dai);
+ if (platform->driver->suspend && !platform->suspended) {
+ platform->driver->suspend(cpu_dai);
+ platform->suspended = 1;
+ }
}
/* close any waiting streams and save state */
- run_delayed_work(&card->delayed_work);
- codec->suspend_bias_level = codec->bias_level;
+ for (i = 0; i < card->num_rtd; i++) {
+ run_delayed_work(&card->rtd[i].delayed_work);
+ card->rtd[i].codec->suspend_bias_level = card->rtd[i].codec->bias_level;
+ }
- for (i = 0; i < codec->num_dai; i++) {
- char *stream = codec->dai[i].playback.stream_name;
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (stream != NULL)
- snd_soc_dapm_stream_event(codec, stream,
+ if (driver->playback.stream_name != NULL)
+ snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name,
SND_SOC_DAPM_STREAM_SUSPEND);
- stream = codec->dai[i].capture.stream_name;
- if (stream != NULL)
- snd_soc_dapm_stream_event(codec, stream,
+
+ if (driver->capture.stream_name != NULL)
+ snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name,
SND_SOC_DAPM_STREAM_SUSPEND);
}
- /* If there are paths active then the CODEC will be held with
- * bias _ON and should not be suspended. */
- if (codec_dev->suspend) {
- switch (codec->bias_level) {
- case SND_SOC_BIAS_STANDBY:
- case SND_SOC_BIAS_OFF:
- codec_dev->suspend(pdev, PMSG_SUSPEND);
- break;
- default:
- dev_dbg(socdev->dev, "CODEC is on over suspend\n");
- break;
+ /* suspend all CODECs */
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_codec *codec = card->rtd[i].codec;
+ /* If there are paths active then the CODEC will be held with
+ * bias _ON and should not be suspended. */
+ if (!codec->suspended && codec->driver->suspend) {
+ switch (codec->bias_level) {
+ case SND_SOC_BIAS_STANDBY:
+ case SND_SOC_BIAS_OFF:
+ codec->driver->suspend(codec, PMSG_SUSPEND);
+ codec->suspended = 1;
+ break;
+ default:
+ dev_dbg(codec->dev, "CODEC is on over suspend\n");
+ break;
+ }
}
}
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->suspend && cpu_dai->ac97_control)
- cpu_dai->suspend(cpu_dai);
+ if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
+ cpu_dai->driver->suspend(cpu_dai);
}
if (card->suspend_post)
*/
static void soc_resume_deferred(struct work_struct *work)
{
- struct snd_soc_card *card = container_of(work,
- struct snd_soc_card,
- deferred_resume_work);
- struct snd_soc_device *socdev = card->socdev;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- struct snd_soc_codec *codec = card->codec;
- struct platform_device *pdev = to_platform_device(socdev->dev);
+ struct snd_soc_card *card =
+ container_of(work, struct snd_soc_card, deferred_resume_work);
+ struct platform_device *pdev = to_platform_device(card->dev);
int i;
/* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
* so userspace apps are blocked from touching us
*/
- dev_dbg(socdev->dev, "starting resume work\n");
+ dev_dbg(card->dev, "starting resume work\n");
/* Bring us up into D2 so that DAPM starts enabling things */
- snd_power_change_state(codec->card, SNDRV_CTL_POWER_D2);
+ snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2);
if (card->resume_pre)
card->resume_pre(pdev);
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ /* resume AC97 DAIs */
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->resume && cpu_dai->ac97_control)
- cpu_dai->resume(cpu_dai);
- }
-
- /* If the CODEC was idle over suspend then it will have been
- * left with bias OFF or STANDBY and suspended so we must now
- * resume. Otherwise the suspend was suppressed.
- */
- if (codec_dev->resume) {
- switch (codec->bias_level) {
- case SND_SOC_BIAS_STANDBY:
- case SND_SOC_BIAS_OFF:
- codec_dev->resume(pdev);
- break;
- default:
- dev_dbg(socdev->dev, "CODEC was on over suspend\n");
- break;
+ if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control)
+ cpu_dai->driver->resume(cpu_dai);
+ }
+
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_codec *codec = card->rtd[i].codec;
+ /* If the CODEC was idle over suspend then it will have been
+ * left with bias OFF or STANDBY and suspended so we must now
+ * resume. Otherwise the suspend was suppressed.
+ */
+ if (codec->driver->resume && codec->suspended) {
+ switch (codec->bias_level) {
+ case SND_SOC_BIAS_STANDBY:
+ case SND_SOC_BIAS_OFF:
+ codec->driver->resume(codec);
+ codec->suspended = 0;
+ break;
+ default:
+ dev_dbg(codec->dev, "CODEC was on over suspend\n");
+ break;
+ }
}
}
- for (i = 0; i < codec->num_dai; i++) {
- char *stream = codec->dai[i].playback.stream_name;
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (stream != NULL)
- snd_soc_dapm_stream_event(codec, stream,
+ if (driver->playback.stream_name != NULL)
+ snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name,
SND_SOC_DAPM_STREAM_RESUME);
- stream = codec->dai[i].capture.stream_name;
- if (stream != NULL)
- snd_soc_dapm_stream_event(codec, stream,
+
+ if (driver->capture.stream_name != NULL)
+ snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name,
SND_SOC_DAPM_STREAM_RESUME);
}
/* unmute any active DACs */
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *dai = card->dai_link[i].codec_dai;
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *dai = card->rtd[i].codec_dai;
+ struct snd_soc_dai_driver *drv = dai->driver;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (dai->ops->digital_mute && dai->playback.active)
- dai->ops->digital_mute(dai, 0);
+ if (drv->ops->digital_mute && dai->playback_active)
+ drv->ops->digital_mute(dai, 0);
}
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ struct snd_soc_platform *platform = card->rtd[i].platform;
- if (card->dai_link[i].ignore_suspend)
+ if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (cpu_dai->resume && !cpu_dai->ac97_control)
- cpu_dai->resume(cpu_dai);
- if (platform->resume)
- platform->resume(&card->dai_link[i]);
+ if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control)
+ cpu_dai->driver->resume(cpu_dai);
+ if (platform->driver->resume && platform->suspended) {
+ platform->driver->resume(cpu_dai);
+ platform->suspended = 0;
+ }
}
if (card->resume_post)
card->resume_post(pdev);
- dev_dbg(socdev->dev, "resume work completed\n");
+ dev_dbg(card->dev, "resume work completed\n");
/* userspace can access us now we are back as we were before */
- snd_power_change_state(codec->card, SNDRV_CTL_POWER_D0);
+ snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0);
}
/* powers up audio subsystem after a suspend */
static int soc_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_dai *cpu_dai = card->dai_link[0].cpu_dai;
-
- /* If the initialization of this soc device failed, there is no codec
- * associated with it. Just bail out in this case.
- */
- if (!card->codec)
- return 0;
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ int i;
/* AC97 devices might have other drivers hanging off them so
* need to resume immediately. Other drivers don't have that
* problem and may take a substantial amount of time to resume
* due to I/O costs and anti-pop so handle them out of line.
*/
- if (cpu_dai->ac97_control) {
- dev_dbg(socdev->dev, "Resuming AC97 immediately\n");
- soc_resume_deferred(&card->deferred_resume_work);
- } else {
- dev_dbg(socdev->dev, "Scheduling resume work\n");
- if (!schedule_work(&card->deferred_resume_work))
- dev_err(socdev->dev, "resume work item may be lost\n");
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
+ if (cpu_dai->driver->ac97_control) {
+ dev_dbg(dev, "Resuming AC97 immediately\n");
+ soc_resume_deferred(&card->deferred_resume_work);
+ } else {
+ dev_dbg(dev, "Scheduling resume work\n");
+ if (!schedule_work(&card->deferred_resume_work))
+ dev_err(dev, "resume work item may be lost\n");
+ }
}
return 0;
static struct snd_soc_dai_ops null_dai_ops = {
};
-static void snd_soc_instantiate_card(struct snd_soc_card *card)
+static int soc_bind_dai_link(struct snd_soc_card *card, int num)
{
- struct platform_device *pdev = container_of(card->dev,
- struct platform_device,
- dev);
- struct snd_soc_codec_device *codec_dev = card->socdev->codec_dev;
+ struct snd_soc_dai_link *dai_link = &card->dai_link[num];
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_codec *codec;
struct snd_soc_platform *platform;
- struct snd_soc_dai *dai;
- int i, found, ret, ac97;
+ struct snd_soc_dai *codec_dai, *cpu_dai;
- if (card->instantiated)
- return;
+ if (rtd->complete)
+ return 1;
+ dev_dbg(card->dev, "binding %s at idx %d\n", dai_link->name, num);
- found = 0;
- list_for_each_entry(platform, &platform_list, list)
- if (card->platform == platform) {
- found = 1;
- break;
+ /* do we already have the CPU DAI for this link ? */
+ if (rtd->cpu_dai) {
+ goto find_codec;
+ }
+ /* no, then find CPU DAI from registered DAIs*/
+ list_for_each_entry(cpu_dai, &dai_list, list) {
+ if (!strcmp(cpu_dai->name, dai_link->cpu_dai_name)) {
+
+ if (!try_module_get(cpu_dai->dev->driver->owner))
+ return -ENODEV;
+
+ rtd->cpu_dai = cpu_dai;
+ goto find_codec;
}
- if (!found) {
- dev_dbg(card->dev, "Platform %s not registered\n",
- card->platform->name);
- return;
}
+ dev_dbg(card->dev, "CPU DAI %s not registered\n",
+ dai_link->cpu_dai_name);
- ac97 = 0;
- for (i = 0; i < card->num_links; i++) {
- found = 0;
- list_for_each_entry(dai, &dai_list, list)
- if (card->dai_link[i].cpu_dai == dai) {
- found = 1;
- break;
+find_codec:
+ /* do we already have the CODEC for this link ? */
+ if (rtd->codec) {
+ goto find_platform;
+ }
+
+ /* no, then find CODEC from registered CODECs*/
+ list_for_each_entry(codec, &codec_list, list) {
+ if (!strcmp(codec->name, dai_link->codec_name)) {
+ rtd->codec = codec;
+
+ if (!try_module_get(codec->dev->driver->owner))
+ return -ENODEV;
+
+ /* CODEC found, so find CODEC DAI from registered DAIs from this CODEC*/
+ list_for_each_entry(codec_dai, &dai_list, list) {
+ if (codec->dev == codec_dai->dev &&
+ !strcmp(codec_dai->name, dai_link->codec_dai_name)) {
+ rtd->codec_dai = codec_dai;
+ goto find_platform;
+ }
}
- if (!found) {
- dev_dbg(card->dev, "DAI %s not registered\n",
- card->dai_link[i].cpu_dai->name);
- return;
+ dev_dbg(card->dev, "CODEC DAI %s not registered\n",
+ dai_link->codec_dai_name);
+
+ goto find_platform;
}
+ }
+ dev_dbg(card->dev, "CODEC %s not registered\n",
+ dai_link->codec_name);
- if (card->dai_link[i].cpu_dai->ac97_control)
- ac97 = 1;
+find_platform:
+ /* do we already have the CODEC DAI for this link ? */
+ if (rtd->platform) {
+ goto out;
}
+ /* no, then find CPU DAI from registered DAIs*/
+ list_for_each_entry(platform, &platform_list, list) {
+ if (!strcmp(platform->name, dai_link->platform_name)) {
- for (i = 0; i < card->num_links; i++) {
- if (!card->dai_link[i].codec_dai->ops)
- card->dai_link[i].codec_dai->ops = &null_dai_ops;
+ if (!try_module_get(platform->dev->driver->owner))
+ return -ENODEV;
+
+ rtd->platform = platform;
+ goto out;
+ }
}
- /* If we have AC97 in the system then don't wait for the
- * codec. This will need revisiting if we have to handle
- * systems with mixed AC97 and non-AC97 parts. Only check for
- * DAIs currently; we can't do this per link since some AC97
- * codecs have non-AC97 DAIs.
- */
- if (!ac97)
- for (i = 0; i < card->num_links; i++) {
- found = 0;
- list_for_each_entry(dai, &dai_list, list)
- if (card->dai_link[i].codec_dai == dai) {
- found = 1;
- break;
- }
- if (!found) {
- dev_dbg(card->dev, "DAI %s not registered\n",
- card->dai_link[i].codec_dai->name);
- return;
- }
+ dev_dbg(card->dev, "platform %s not registered\n",
+ dai_link->platform_name);
+ return 0;
+
+out:
+ /* mark rtd as complete if we found all 4 of our client devices */
+ if (rtd->codec && rtd->codec_dai && rtd->platform && rtd->cpu_dai) {
+ rtd->complete = 1;
+ card->num_rtd++;
+ }
+ return 1;
+}
+
+static void soc_remove_dai_link(struct snd_soc_card *card, int num)
+{
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
+ int err;
+
+ /* unregister the rtd device */
+ if (rtd->dev_registered) {
+ device_remove_file(&rtd->dev, &dev_attr_pmdown_time);
+ device_unregister(&rtd->dev);
+ rtd->dev_registered = 0;
+ }
+
+ /* remove the CODEC DAI */
+ if (codec_dai && codec_dai->probed) {
+ if (codec_dai->driver->remove) {
+ err = codec_dai->driver->remove(codec_dai);
+ if (err < 0)
+ printk(KERN_ERR "asoc: failed to remove %s\n", codec_dai->name);
}
+ codec_dai->probed = 0;
+ list_del(&codec_dai->card_list);
+ }
- /* Note that we do not current check for codec components */
+ /* remove the platform */
+ if (platform && platform->probed) {
+ if (platform->driver->remove) {
+ err = platform->driver->remove(platform);
+ if (err < 0)
+ printk(KERN_ERR "asoc: failed to remove %s\n", platform->name);
+ }
+ platform->probed = 0;
+ list_del(&platform->card_list);
+ module_put(platform->dev->driver->owner);
+ }
- dev_dbg(card->dev, "All components present, instantiating\n");
+ /* remove the CODEC */
+ if (codec && codec->probed) {
+ if (codec->driver->remove) {
+ err = codec->driver->remove(codec);
+ if (err < 0)
+ printk(KERN_ERR "asoc: failed to remove %s\n", codec->name);
+ }
- /* Found everything, bring it up */
- card->pmdown_time = pmdown_time;
+ /* Make sure all DAPM widgets are freed */
+ snd_soc_dapm_free(codec);
- if (card->probe) {
- ret = card->probe(pdev);
- if (ret < 0)
- return;
+ soc_cleanup_codec_debugfs(codec);
+ device_remove_file(&rtd->dev, &dev_attr_codec_reg);
+ codec->probed = 0;
+ list_del(&codec->card_list);
+ module_put(codec->dev->driver->owner);
}
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
- if (cpu_dai->probe) {
- ret = cpu_dai->probe(pdev, cpu_dai);
- if (ret < 0)
- goto cpu_dai_err;
+ /* remove the cpu_dai */
+ if (cpu_dai && cpu_dai->probed) {
+ if (cpu_dai->driver->remove) {
+ err = cpu_dai->driver->remove(cpu_dai);
+ if (err < 0)
+ printk(KERN_ERR "asoc: failed to remove %s\n", cpu_dai->name);
}
+ cpu_dai->probed = 0;
+ list_del(&cpu_dai->card_list);
+ module_put(cpu_dai->dev->driver->owner);
}
+}
- if (codec_dev->probe) {
- ret = codec_dev->probe(pdev);
- if (ret < 0)
- goto cpu_dai_err;
+static void rtd_release(struct device *dev) {}
+
+static int soc_probe_dai_link(struct snd_soc_card *card, int num)
+{
+ struct snd_soc_dai_link *dai_link = &card->dai_link[num];
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
+ int ret;
+
+ dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num);
+
+ /* config components */
+ codec_dai->codec = codec;
+ codec->card = card;
+ cpu_dai->platform = platform;
+ rtd->card = card;
+ rtd->dev.parent = card->dev;
+ codec_dai->card = card;
+ cpu_dai->card = card;
+
+ /* set default power off timeout */
+ rtd->pmdown_time = pmdown_time;
+
+ /* probe the cpu_dai */
+ if (!cpu_dai->probed) {
+ if (cpu_dai->driver->probe) {
+ ret = cpu_dai->driver->probe(cpu_dai);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to probe CPU DAI %s\n",
+ cpu_dai->name);
+ return ret;
+ }
+ }
+ cpu_dai->probed = 1;
+ /* mark cpu_dai as probed and add to card cpu_dai list */
+ list_add(&cpu_dai->card_list, &card->dai_dev_list);
}
- codec = card->codec;
- if (platform->probe) {
- ret = platform->probe(pdev);
- if (ret < 0)
- goto platform_err;
+ /* probe the CODEC */
+ if (!codec->probed) {
+ if (codec->driver->probe) {
+ ret = codec->driver->probe(codec);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to probe CODEC %s\n",
+ codec->name);
+ return ret;
+ }
+ }
+
+ soc_init_codec_debugfs(codec);
+
+ /* mark codec as probed and add to card codec list */
+ codec->probed = 1;
+ list_add(&codec->card_list, &card->codec_dev_list);
}
- /* DAPM stream work */
- INIT_DELAYED_WORK(&card->delayed_work, close_delayed_work);
-#ifdef CONFIG_PM
- /* deferred resume work */
- INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
-#endif
+ /* probe the platform */
+ if (!platform->probed) {
+ if (platform->driver->probe) {
+ ret = platform->driver->probe(platform);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to probe platform %s\n",
+ platform->name);
+ return ret;
+ }
+ }
+ /* mark platform as probed and add to card platform list */
+ platform->probed = 1;
+ list_add(&platform->card_list, &card->platform_dev_list);
+ }
- for (i = 0; i < card->num_links; i++) {
- if (card->dai_link[i].init) {
- ret = card->dai_link[i].init(codec);
+ /* probe the CODEC DAI */
+ if (!codec_dai->probed) {
+ if (codec_dai->driver->probe) {
+ ret = codec_dai->driver->probe(codec_dai);
if (ret < 0) {
- printk(KERN_ERR "asoc: failed to init %s\n",
- card->dai_link[i].stream_name);
- continue;
+ printk(KERN_ERR "asoc: failed to probe CODEC DAI %s\n",
+ codec_dai->name);
+ return ret;
}
}
- if (card->dai_link[i].codec_dai->ac97_control)
- ac97 = 1;
+
+ /* mark cpu_dai as probed and add to card cpu_dai list */
+ codec_dai->probed = 1;
+ list_add(&codec_dai->card_list, &card->dai_dev_list);
}
- snprintf(codec->card->shortname, sizeof(codec->card->shortname),
- "%s", card->name);
- snprintf(codec->card->longname, sizeof(codec->card->longname),
- "%s (%s)", card->name, codec->name);
+ /* DAPM dai link stream work */
+ INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
+
+ /* now that all clients have probed, initialise the DAI link */
+ if (dai_link->init) {
+ ret = dai_link->init(rtd);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to init %s\n", dai_link->stream_name);
+ return ret;
+ }
+ }
/* Make sure all DAPM widgets are instantiated */
snd_soc_dapm_new_widgets(codec);
+ snd_soc_dapm_sync(codec);
- ret = snd_card_register(codec->card);
+ /* register the rtd device */
+ rtd->dev.release = rtd_release;
+ rtd->dev.init_name = dai_link->name;
+ ret = device_register(&rtd->dev);
if (ret < 0) {
- printk(KERN_ERR "asoc: failed to register soundcard for %s\n",
- codec->name);
- goto card_err;
+ printk(KERN_ERR "asoc: failed to register DAI runtime device %d\n", ret);
+ return ret;
}
- mutex_lock(&codec->mutex);
+ rtd->dev_registered = 1;
+ ret = device_create_file(&rtd->dev, &dev_attr_pmdown_time);
+ if (ret < 0)
+ printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n");
+
+ /* add DAPM sysfs entries for this codec */
+ ret = snd_soc_dapm_sys_add(&rtd->dev);
+ if (ret < 0)
+ printk(KERN_WARNING "asoc: failed to add codec dapm sysfs entries\n");
+
+ /* add codec sysfs entries */
+ ret = device_create_file(&rtd->dev, &dev_attr_codec_reg);
+ if (ret < 0)
+ printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
+
+ /* create the pcm */
+ ret = soc_new_pcm(rtd, num);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't create pcm %s\n", dai_link->stream_name);
+ return ret;
+ }
+
+ /* add platform data for AC97 devices */
+ if (rtd->codec_dai->driver->ac97_control)
+ snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata);
+
+ return 0;
+}
+
#ifdef CONFIG_SND_SOC_AC97_BUS
+static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret;
+
/* Only instantiate AC97 if not already done by the adaptor
* for the generic AC97 subsystem.
*/
- if (ac97 && strcmp(codec->name, "AC97") != 0) {
- ret = soc_ac97_dev_register(codec);
+ if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) {
+ /*
+ * It is possible that the AC97 device is already registered to
+ * the device subsystem. This happens when the device is created
+ * via snd_ac97_mixer(). Currently only SoC codec that does so
+ * is the generic AC97 glue but others migh emerge.
+ *
+ * In those cases we don't try to register the device again.
+ */
+ if (!rtd->codec->ac97_created)
+ return 0;
+
+ ret = soc_ac97_dev_register(rtd->codec);
if (ret < 0) {
printk(KERN_ERR "asoc: AC97 device register failed\n");
- snd_card_free(codec->card);
- mutex_unlock(&codec->mutex);
- goto card_err;
+ return ret;
}
+
+ rtd->codec->ac97_registered = 1;
+ }
+ return 0;
+}
+
+static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec)
+{
+ if (codec->ac97_registered) {
+ soc_ac97_dev_unregister(codec);
+ codec->ac97_registered = 0;
}
+}
#endif
- ret = snd_soc_dapm_sys_add(card->socdev->dev);
- if (ret < 0)
- printk(KERN_WARNING "asoc: failed to add dapm sysfs entries\n");
+static void snd_soc_instantiate_card(struct snd_soc_card *card)
+{
+ struct platform_device *pdev = to_platform_device(card->dev);
+ int ret, i;
- ret = device_create_file(card->socdev->dev, &dev_attr_pmdown_time);
- if (ret < 0)
- printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n");
+ mutex_lock(&card->mutex);
- ret = device_create_file(card->socdev->dev, &dev_attr_codec_reg);
- if (ret < 0)
- printk(KERN_WARNING "asoc: failed to add codec sysfs files\n");
+ if (card->instantiated) {
+ mutex_unlock(&card->mutex);
+ return;
+ }
- soc_init_codec_debugfs(codec);
- mutex_unlock(&codec->mutex);
+ /* bind DAIs */
+ for (i = 0; i < card->num_links; i++)
+ soc_bind_dai_link(card, i);
- card->instantiated = 1;
+ /* bind completed ? */
+ if (card->num_rtd != card->num_links) {
+ mutex_unlock(&card->mutex);
+ return;
+ }
- return;
+ /* card bind complete so register a sound card */
+ ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
+ card->owner, 0, &card->snd_card);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: can't create sound card for card %s\n",
+ card->name);
+ mutex_unlock(&card->mutex);
+ return;
+ }
+ card->snd_card->dev = card->dev;
-card_err:
- if (platform->remove)
- platform->remove(pdev);
+#ifdef CONFIG_PM
+ /* deferred resume work */
+ INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
+#endif
-platform_err:
- if (codec_dev->remove)
- codec_dev->remove(pdev);
+ /* initialise the sound card only once */
+ if (card->probe) {
+ ret = card->probe(pdev);
+ if (ret < 0)
+ goto card_probe_error;
+ }
-cpu_dai_err:
- for (i--; i >= 0; i--) {
- struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
- if (cpu_dai->remove)
- cpu_dai->remove(pdev, cpu_dai);
+ for (i = 0; i < card->num_links; i++) {
+ ret = soc_probe_dai_link(card, i);
+ if (ret < 0) {
+ pr_err("asoc: failed to instantiate card %s: %d\n",
+ card->name, ret);
+ goto probe_dai_err;
+ }
}
+ snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname),
+ "%s", card->name);
+ snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
+ "%s", card->name);
+
+ ret = snd_card_register(card->snd_card);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name);
+ goto probe_dai_err;
+ }
+
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ /* register any AC97 codecs */
+ for (i = 0; i < card->num_rtd; i++) {
+ ret = soc_register_ac97_dai_link(&card->rtd[i]);
+ if (ret < 0) {
+ printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name);
+ goto probe_dai_err;
+ }
+ }
+#endif
+
+ card->instantiated = 1;
+ mutex_unlock(&card->mutex);
+ return;
+
+probe_dai_err:
+ for (i = 0; i < card->num_links; i++)
+ soc_remove_dai_link(card, i);
+
+card_probe_error:
if (card->remove)
card->remove(pdev);
+
+ snd_card_free(card->snd_card);
+
+ mutex_unlock(&card->mutex);
}
/*
/* probes a new socdev */
static int soc_probe(struct platform_device *pdev)
{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
int ret = 0;
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_card *card = socdev->card;
-
- /* Bodge while we push things out of socdev */
- card->socdev = socdev;
/* Bodge while we unpick instantiation */
card->dev = &pdev->dev;
+ INIT_LIST_HEAD(&card->dai_dev_list);
+ INIT_LIST_HEAD(&card->codec_dev_list);
+ INIT_LIST_HEAD(&card->platform_dev_list);
+
ret = snd_soc_register_card(card);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to register card\n");
/* removes a socdev */
static int soc_remove(struct platform_device *pdev)
{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
int i;
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_codec_device *codec_dev = socdev->codec_dev;
- if (card->instantiated) {
- run_delayed_work(&card->delayed_work);
-
- if (platform->remove)
- platform->remove(pdev);
+ if (card->instantiated) {
- if (codec_dev->remove)
- codec_dev->remove(pdev);
-
- for (i = 0; i < card->num_links; i++) {
- struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
- if (cpu_dai->remove)
- cpu_dai->remove(pdev, cpu_dai);
+ /* make sure any delayed work runs */
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ run_delayed_work(&rtd->delayed_work);
}
+ /* remove and free each DAI */
+ for (i = 0; i < card->num_rtd; i++)
+ soc_remove_dai_link(card, i);
+
+ /* remove the card */
if (card->remove)
card->remove(pdev);
- }
+ kfree(card->rtd);
+ snd_card_free(card->snd_card);
+ }
snd_soc_unregister_card(card);
-
return 0;
}
static int soc_poweroff(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_card *card = socdev->card;
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+ int i;
if (!card->instantiated)
return 0;
/* Flush out pmdown_time work - we actually do want to run it
* now, we're shutting down so no imminent restart. */
- run_delayed_work(&card->delayed_work);
+ for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ run_delayed_work(&rtd->delayed_work);
+ }
- snd_soc_dapm_shutdown(socdev);
+ snd_soc_dapm_shutdown(card);
return 0;
}
};
/* create a new pcm */
-static int soc_new_pcm(struct snd_soc_device *socdev,
- struct snd_soc_dai_link *dai_link, int num)
-{
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_codec *codec = card->codec;
- struct snd_soc_platform *platform = card->platform;
- struct snd_soc_dai *codec_dai = dai_link->codec_dai;
- struct snd_soc_dai *cpu_dai = dai_link->cpu_dai;
- struct snd_soc_pcm_runtime *rtd;
+static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_pcm *pcm;
char new_name[64];
int ret = 0, playback = 0, capture = 0;
- rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime), GFP_KERNEL);
- if (rtd == NULL)
- return -ENOMEM;
-
- rtd->dai = dai_link;
- rtd->socdev = socdev;
- codec_dai->codec = card->codec;
-
/* check client and interface hw capabilities */
snprintf(new_name, sizeof(new_name), "%s %s-%d",
- dai_link->stream_name, codec_dai->name, num);
+ rtd->dai_link->stream_name, codec_dai->name, num);
- if (codec_dai->playback.channels_min)
+ if (codec_dai->driver->playback.channels_min)
playback = 1;
- if (codec_dai->capture.channels_min)
+ if (codec_dai->driver->capture.channels_min)
capture = 1;
- ret = snd_pcm_new(codec->card, new_name, codec->pcm_devs++, playback,
- capture, &pcm);
+ dev_dbg(rtd->card->dev, "registered pcm #%d %s\n",num,new_name);
+ ret = snd_pcm_new(rtd->card->snd_card, new_name,
+ num, playback, capture, &pcm);
if (ret < 0) {
- printk(KERN_ERR "asoc: can't create pcm for codec %s\n",
- codec->name);
- kfree(rtd);
+ printk(KERN_ERR "asoc: can't create pcm for codec %s\n", codec->name);
return ret;
}
- dai_link->pcm = pcm;
+ rtd->pcm = pcm;
pcm->private_data = rtd;
- soc_pcm_ops.mmap = platform->pcm_ops->mmap;
- soc_pcm_ops.ioctl = platform->pcm_ops->ioctl;
- soc_pcm_ops.copy = platform->pcm_ops->copy;
- soc_pcm_ops.silence = platform->pcm_ops->silence;
- soc_pcm_ops.ack = platform->pcm_ops->ack;
- soc_pcm_ops.page = platform->pcm_ops->page;
+ soc_pcm_ops.mmap = platform->driver->ops->mmap;
+ soc_pcm_ops.pointer = platform->driver->ops->pointer;
+ soc_pcm_ops.ioctl = platform->driver->ops->ioctl;
+ soc_pcm_ops.copy = platform->driver->ops->copy;
+ soc_pcm_ops.silence = platform->driver->ops->silence;
+ soc_pcm_ops.ack = platform->driver->ops->ack;
+ soc_pcm_ops.page = platform->driver->ops->page;
if (playback)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops);
if (capture)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops);
- ret = platform->pcm_new(codec->card, codec_dai, pcm);
+ ret = platform->driver->pcm_new(rtd->card->snd_card, codec_dai, pcm);
if (ret < 0) {
printk(KERN_ERR "asoc: platform pcm constructor failed\n");
- kfree(rtd);
return ret;
}
- pcm->private_free = platform->pcm_free;
+ pcm->private_free = platform->driver->pcm_free;
printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name,
cpu_dai->name);
return ret;
*/
int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg)
{
- if (codec->volatile_register)
- return codec->volatile_register(reg);
+ if (codec->driver->volatile_register)
+ return codec->driver->volatile_register(reg);
else
return 0;
}
codec->ac97->bus->ops = ops;
codec->ac97->num = num;
- codec->dev = &codec->ac97->dev;
+
+ /*
+ * Mark the AC97 device to be created by us. This way we ensure that the
+ * device will be registered with the device subsystem later on.
+ */
+ codec->ac97_created = 1;
+
mutex_unlock(&codec->mutex);
return 0;
}
void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
{
mutex_lock(&codec->mutex);
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ soc_unregister_ac97_dai_link(codec);
+#endif
kfree(codec->ac97->bus);
kfree(codec->ac97);
codec->ac97 = NULL;
+ codec->ac97_created = 0;
mutex_unlock(&codec->mutex);
}
EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
}
EXPORT_SYMBOL_GPL(snd_soc_test_bits);
-/**
- * snd_soc_new_pcms - create new sound card and pcms
- * @socdev: the SoC audio device
- * @idx: ALSA card index
- * @xid: card identification
- *
- * Create a new sound card based upon the codec and interface pcms.
- *
- * Returns 0 for success, else error.
- */
-int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid)
-{
- struct snd_soc_card *card = socdev->card;
- struct snd_soc_codec *codec = card->codec;
- int ret, i;
-
- mutex_lock(&codec->mutex);
-
- /* register a sound card */
- ret = snd_card_create(idx, xid, codec->owner, 0, &codec->card);
- if (ret < 0) {
- printk(KERN_ERR "asoc: can't create sound card for codec %s\n",
- codec->name);
- mutex_unlock(&codec->mutex);
- return ret;
- }
-
- codec->socdev = socdev;
- codec->card->dev = socdev->dev;
- codec->card->private_data = codec;
- strncpy(codec->card->driver, codec->name, sizeof(codec->card->driver));
-
- /* create the pcms */
- for (i = 0; i < card->num_links; i++) {
- ret = soc_new_pcm(socdev, &card->dai_link[i], i);
- if (ret < 0) {
- printk(KERN_ERR "asoc: can't create pcm %s\n",
- card->dai_link[i].stream_name);
- mutex_unlock(&codec->mutex);
- return ret;
- }
- /* Check for codec->ac97 to handle the ac97.c fun */
- if (card->dai_link[i].codec_dai->ac97_control && codec->ac97) {
- snd_ac97_dev_add_pdata(codec->ac97,
- card->dai_link[i].cpu_dai->ac97_pdata);
- }
- }
-
- mutex_unlock(&codec->mutex);
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_new_pcms);
-
-/**
- * snd_soc_free_pcms - free sound card and pcms
- * @socdev: the SoC audio device
- *
- * Frees sound card and pcms associated with the socdev.
- * Also unregister the codec if it is an AC97 device.
- */
-void snd_soc_free_pcms(struct snd_soc_device *socdev)
-{
- struct snd_soc_codec *codec = socdev->card->codec;
-#ifdef CONFIG_SND_SOC_AC97_BUS
- struct snd_soc_dai *codec_dai;
- int i;
-#endif
-
- mutex_lock(&codec->mutex);
- soc_cleanup_codec_debugfs(codec);
-#ifdef CONFIG_SND_SOC_AC97_BUS
- for (i = 0; i < codec->num_dai; i++) {
- codec_dai = &codec->dai[i];
- if (codec_dai->ac97_control && codec->ac97 &&
- strcmp(codec->name, "AC97") != 0) {
- soc_ac97_dev_unregister(codec);
- goto free_card;
- }
- }
-free_card:
-#endif
-
- if (codec->card)
- snd_card_free(codec->card);
- device_remove_file(socdev->dev, &dev_attr_codec_reg);
- mutex_unlock(&codec->mutex);
-}
-EXPORT_SYMBOL_GPL(snd_soc_free_pcms);
-
/**
* snd_soc_set_runtime_hwparams - set the runtime hardware parameters
* @substream: the pcm substream
int snd_soc_add_controls(struct snd_soc_codec *codec,
const struct snd_kcontrol_new *controls, int num_controls)
{
- struct snd_card *card = codec->card;
+ struct snd_card *card = codec->card->snd_card;
int err, i;
for (i = 0; i < num_controls; i++) {
const struct snd_kcontrol_new *control = &controls[i];
err = snd_ctl_add(card, snd_soc_cnew(control, codec, NULL));
if (err < 0) {
- dev_err(codec->dev, "%s: Failed to add %s\n",
- codec->name, control->name);
+ dev_err(codec->dev, "%s: Failed to add %s: %d\n",
+ codec->name, control->name, err);
return err;
}
}
int snd_soc_limit_volume(struct snd_soc_codec *codec,
const char *name, int max)
{
- struct snd_card *card = codec->card;
+ struct snd_card *card = codec->card->snd_card;
struct snd_kcontrol *kctl;
struct soc_mixer_control *mc;
int found = 0;
int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
- if (dai->ops && dai->ops->set_sysclk)
- return dai->ops->set_sysclk(dai, clk_id, freq, dir);
+ if (dai->driver && dai->driver->ops->set_sysclk)
+ return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
else
return -EINVAL;
}
int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
int div_id, int div)
{
- if (dai->ops && dai->ops->set_clkdiv)
- return dai->ops->set_clkdiv(dai, div_id, div);
+ if (dai->driver && dai->driver->ops->set_clkdiv)
+ return dai->driver->ops->set_clkdiv(dai, div_id, div);
else
return -EINVAL;
}
int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
unsigned int freq_in, unsigned int freq_out)
{
- if (dai->ops && dai->ops->set_pll)
- return dai->ops->set_pll(dai, pll_id, source,
+ if (dai->driver && dai->driver->ops->set_pll)
+ return dai->driver->ops->set_pll(dai, pll_id, source,
freq_in, freq_out);
else
return -EINVAL;
*/
int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
- if (dai->ops && dai->ops->set_fmt)
- return dai->ops->set_fmt(dai, fmt);
+ if (dai->driver && dai->driver->ops->set_fmt)
+ return dai->driver->ops->set_fmt(dai, fmt);
else
return -EINVAL;
}
int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
{
- if (dai->ops && dai->ops->set_tdm_slot)
- return dai->ops->set_tdm_slot(dai, tx_mask, rx_mask,
+ if (dai->driver && dai->driver->ops->set_tdm_slot)
+ return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
slots, slot_width);
else
return -EINVAL;
unsigned int tx_num, unsigned int *tx_slot,
unsigned int rx_num, unsigned int *rx_slot)
{
- if (dai->ops && dai->ops->set_channel_map)
- return dai->ops->set_channel_map(dai, tx_num, tx_slot,
+ if (dai->driver && dai->driver->ops->set_channel_map)
+ return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot,
rx_num, rx_slot);
else
return -EINVAL;
*/
int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
{
- if (dai->ops && dai->ops->set_tristate)
- return dai->ops->set_tristate(dai, tristate);
+ if (dai->driver && dai->driver->ops->set_tristate)
+ return dai->driver->ops->set_tristate(dai, tristate);
else
return -EINVAL;
}
*/
int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute)
{
- if (dai->ops && dai->ops->digital_mute)
- return dai->ops->digital_mute(dai, mute);
+ if (dai->driver && dai->driver->ops->digital_mute)
+ return dai->driver->ops->digital_mute(dai, mute);
else
return -EINVAL;
}
*/
static int snd_soc_register_card(struct snd_soc_card *card)
{
+ int i;
+
if (!card->name || !card->dev)
return -EINVAL;
+ card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * card->num_links,
+ GFP_KERNEL);
+ if (card->rtd == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < card->num_links; i++)
+ card->rtd[i].dai_link = &card->dai_link[i];
+
INIT_LIST_HEAD(&card->list);
card->instantiated = 0;
+ mutex_init(&card->mutex);
mutex_lock(&client_mutex);
list_add(&card->list, &card_list);
mutex_lock(&client_mutex);
list_del(&card->list);
mutex_unlock(&client_mutex);
-
dev_dbg(card->dev, "Unregistered card '%s'\n", card->name);
return 0;
}
+/*
+ * Simplify DAI link configuration by removing ".-1" from device names
+ * and sanitizing names.
+ */
+static inline char *fmt_single_name(struct device *dev, int *id)
+{
+ char *found, name[NAME_SIZE];
+ int id1, id2;
+
+ if (dev_name(dev) == NULL)
+ return NULL;
+
+ strncpy(name, dev_name(dev), NAME_SIZE);
+
+ /* are we a "%s.%d" name (platform and SPI components) */
+ found = strstr(name, dev->driver->name);
+ if (found) {
+ /* get ID */
+ if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) {
+
+ /* discard ID from name if ID == -1 */
+ if (*id == -1)
+ found[strlen(dev->driver->name)] = '\0';
+ }
+
+ } else {
+ /* I2C component devices are named "bus-addr" */
+ if (sscanf(name, "%x-%x", &id1, &id2) == 2) {
+ char tmp[NAME_SIZE];
+
+ /* create unique ID number from I2C addr and bus */
+ *id = ((id1 & 0xffff) << 16) + id2;
+
+ /* sanitize component name for DAI link creation */
+ snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name);
+ strncpy(name, tmp, NAME_SIZE);
+ } else
+ *id = 0;
+ }
+
+ return kstrdup(name, GFP_KERNEL);
+}
+
+/*
+ * Simplify DAI link naming for single devices with multiple DAIs by removing
+ * any ".-1" and using the DAI name (instead of device name).
+ */
+static inline char *fmt_multiple_name(struct device *dev,
+ struct snd_soc_dai_driver *dai_drv)
+{
+ if (dai_drv->name == NULL) {
+ printk(KERN_ERR "asoc: error - multiple DAI %s registered with no name\n",
+ dev_name(dev));
+ return NULL;
+ }
+
+ return kstrdup(dai_drv->name, GFP_KERNEL);
+}
+
/**
* snd_soc_register_dai - Register a DAI with the ASoC core
*
* @dai: DAI to register
*/
-int snd_soc_register_dai(struct snd_soc_dai *dai)
+int snd_soc_register_dai(struct device *dev,
+ struct snd_soc_dai_driver *dai_drv)
{
- if (!dai->name)
- return -EINVAL;
+ struct snd_soc_dai *dai;
+
+ dev_dbg(dev, "dai register %s\n", dev_name(dev));
- /* The device should become mandatory over time */
- if (!dai->dev)
- printk(KERN_WARNING "No device for DAI %s\n", dai->name);
+ dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
+ if (dai == NULL)
+ return -ENOMEM;
- if (!dai->ops)
- dai->ops = &null_dai_ops;
+ /* create DAI component name */
+ dai->name = fmt_single_name(dev, &dai->id);
+ if (dai->name == NULL) {
+ kfree(dai);
+ return -ENOMEM;
+ }
- INIT_LIST_HEAD(&dai->list);
+ dai->dev = dev;
+ dai->driver = dai_drv;
+ if (!dai->driver->ops)
+ dai->driver->ops = &null_dai_ops;
mutex_lock(&client_mutex);
list_add(&dai->list, &dai_list);
*
* @dai: DAI to unregister
*/
-void snd_soc_unregister_dai(struct snd_soc_dai *dai)
+void snd_soc_unregister_dai(struct device *dev)
{
+ struct snd_soc_dai *dai;
+
+ list_for_each_entry(dai, &dai_list, list) {
+ if (dev == dai->dev)
+ goto found;
+ }
+ return;
+
+found:
mutex_lock(&client_mutex);
list_del(&dai->list);
mutex_unlock(&client_mutex);
pr_debug("Unregistered DAI '%s'\n", dai->name);
+ kfree(dai->name);
+ kfree(dai);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
* @dai: Array of DAIs to register
* @count: Number of DAIs
*/
-int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count)
+int snd_soc_register_dais(struct device *dev,
+ struct snd_soc_dai_driver *dai_drv, size_t count)
{
- int i, ret;
+ struct snd_soc_dai *dai;
+ int i, ret = 0;
+
+ dev_dbg(dev, "dai register %s #%Zu\n", dev_name(dev), count);
for (i = 0; i < count; i++) {
- ret = snd_soc_register_dai(&dai[i]);
- if (ret != 0)
+
+ dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
+ if (dai == NULL)
+ return -ENOMEM;
+
+ /* create DAI component name */
+ dai->name = fmt_multiple_name(dev, &dai_drv[i]);
+ if (dai->name == NULL) {
+ kfree(dai);
+ ret = -EINVAL;
goto err;
+ }
+
+ dai->dev = dev;
+ dai->driver = &dai_drv[i];
+ if (dai->driver->id)
+ dai->id = dai->driver->id;
+ else
+ dai->id = i;
+ if (!dai->driver->ops)
+ dai->driver->ops = &null_dai_ops;
+
+ mutex_lock(&client_mutex);
+ list_add(&dai->list, &dai_list);
+ mutex_unlock(&client_mutex);
+
+ pr_debug("Registered DAI '%s'\n", dai->name);
}
+ snd_soc_instantiate_cards();
return 0;
err:
for (i--; i >= 0; i--)
- snd_soc_unregister_dai(&dai[i]);
+ snd_soc_unregister_dai(dev);
return ret;
}
* @dai: Array of DAIs to unregister
* @count: Number of DAIs
*/
-void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count)
+void snd_soc_unregister_dais(struct device *dev, size_t count)
{
int i;
for (i = 0; i < count; i++)
- snd_soc_unregister_dai(&dai[i]);
+ snd_soc_unregister_dai(dev);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
*
* @platform: platform to register
*/
-int snd_soc_register_platform(struct snd_soc_platform *platform)
+int snd_soc_register_platform(struct device *dev,
+ struct snd_soc_platform_driver *platform_drv)
{
- if (!platform->name)
- return -EINVAL;
+ struct snd_soc_platform *platform;
+
+ dev_dbg(dev, "platform register %s\n", dev_name(dev));
- INIT_LIST_HEAD(&platform->list);
+ platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
+ if (platform == NULL)
+ return -ENOMEM;
+
+ /* create platform component name */
+ platform->name = fmt_single_name(dev, &platform->id);
+ if (platform->name == NULL) {
+ kfree(platform);
+ return -ENOMEM;
+ }
+
+ platform->dev = dev;
+ platform->driver = platform_drv;
mutex_lock(&client_mutex);
list_add(&platform->list, &platform_list);
*
* @platform: platform to unregister
*/
-void snd_soc_unregister_platform(struct snd_soc_platform *platform)
+void snd_soc_unregister_platform(struct device *dev)
{
+ struct snd_soc_platform *platform;
+
+ list_for_each_entry(platform, &platform_list, list) {
+ if (dev == platform->dev)
+ goto found;
+ }
+ return;
+
+found:
mutex_lock(&client_mutex);
list_del(&platform->list);
mutex_unlock(&client_mutex);
pr_debug("Unregistered platform '%s'\n", platform->name);
+ kfree(platform->name);
+ kfree(platform);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
*
* @codec: codec to register
*/
-int snd_soc_register_codec(struct snd_soc_codec *codec)
+int snd_soc_register_codec(struct device *dev,
+ struct snd_soc_codec_driver *codec_drv,
+ struct snd_soc_dai_driver *dai_drv, int num_dai)
{
- int i;
+ struct snd_soc_codec *codec;
+ int ret, i;
- if (!codec->name)
- return -EINVAL;
+ dev_dbg(dev, "codec register %s\n", dev_name(dev));
+
+ codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
+ if (codec == NULL)
+ return -ENOMEM;
+
+ /* create CODEC component name */
+ codec->name = fmt_single_name(dev, &codec->id);
+ if (codec->name == NULL) {
+ kfree(codec);
+ return -ENOMEM;
+ }
- /* The device should become mandatory over time */
- if (!codec->dev)
- printk(KERN_WARNING "No device for codec %s\n", codec->name);
+ /* allocate CODEC register cache */
+ if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
- INIT_LIST_HEAD(&codec->list);
+ if (codec_drv->reg_cache_default)
+ codec->reg_cache = kmemdup(codec_drv->reg_cache_default,
+ codec_drv->reg_cache_size * codec_drv->reg_word_size, GFP_KERNEL);
+ else
+ codec->reg_cache = kzalloc(codec_drv->reg_cache_size *
+ codec_drv->reg_word_size, GFP_KERNEL);
- for (i = 0; i < codec->num_dai; i++) {
- fixup_codec_formats(&codec->dai[i].playback);
- fixup_codec_formats(&codec->dai[i].capture);
+ if (codec->reg_cache == NULL) {
+ kfree(codec->name);
+ kfree(codec);
+ return -ENOMEM;
+ }
+ }
+
+ codec->dev = dev;
+ codec->driver = codec_drv;
+ codec->bias_level = SND_SOC_BIAS_OFF;
+ codec->num_dai = num_dai;
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+
+ for (i = 0; i < num_dai; i++) {
+ fixup_codec_formats(&dai_drv[i].playback);
+ fixup_codec_formats(&dai_drv[i].capture);
+ }
+
+ /* register any DAIs */
+ if (num_dai) {
+ ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ if (ret < 0)
+ goto error;
}
mutex_lock(&client_mutex);
mutex_unlock(&client_mutex);
pr_debug("Registered codec '%s'\n", codec->name);
-
return 0;
+
+error:
+ for (i--; i >= 0; i--)
+ snd_soc_unregister_dai(dev);
+
+ if (codec->reg_cache)
+ kfree(codec->reg_cache);
+ kfree(codec->name);
+ kfree(codec);
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_register_codec);
*
* @codec: codec to unregister
*/
-void snd_soc_unregister_codec(struct snd_soc_codec *codec)
+void snd_soc_unregister_codec(struct device *dev)
{
+ struct snd_soc_codec *codec;
+ int i;
+
+ list_for_each_entry(codec, &codec_list, list) {
+ if (dev == codec->dev)
+ goto found;
+ }
+ return;
+
+found:
+ if (codec->num_dai)
+ for (i = 0; i < codec->num_dai; i++)
+ snd_soc_unregister_dai(dev);
+
mutex_lock(&client_mutex);
list_del(&codec->list);
mutex_unlock(&client_mutex);
pr_debug("Unregistered codec '%s'\n", codec->name);
+
+ if (codec->reg_cache)
+ kfree(codec->reg_cache);
+ kfree(codec->name);
+ kfree(codec);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
"ASoC: Failed to create debugfs directory\n");
debugfs_root = NULL;
}
+
+ if (!debugfs_create_file("codecs", 0444, debugfs_root, NULL,
+ &codec_list_fops))
+ pr_warn("ASoC: Failed to create CODEC list debugfs file\n");
+
+ if (!debugfs_create_file("dais", 0444, debugfs_root, NULL,
+ &dai_list_fops))
+ pr_warn("ASoC: Failed to create DAI list debugfs file\n");
+
+ if (!debugfs_create_file("platforms", 0444, debugfs_root, NULL,
+ &platform_list_fops))
+ pr_warn("ASoC: Failed to create platform list debugfs file\n");
#endif
return platform_driver_register(&soc_driver);
}
+module_init(snd_soc_init);
static void __exit snd_soc_exit(void)
{
#endif
platform_driver_unregister(&soc_driver);
}
-
-module_init(snd_soc_init);
module_exit(snd_soc_exit);
/* Module information */
git.samba.org / sfrench / cifs-2.6.git / blobdiff