#include <linux/bitops.h>
#include <linux/debugfs.h>
#include <linux/platform_device.h>
+#include <linux/ctype.h>
#include <linux/slab.h>
+#include <linux/of.h>
#include <sound/ac97_codec.h>
#include <sound/core.h>
#include <sound/jack.h>
#define NAME_SIZE 32
-static DEFINE_MUTEX(pcm_mutex);
static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
#ifdef CONFIG_DEBUG_FS
static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
-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().
* It can be used to eliminate pops between different playback streams, e.g.
if (wordsize + regsize + 2 + 1 != len)
return -EINVAL;
- ret = snd_soc_read(codec , reg);
+ ret = snd_soc_read(codec, reg);
if (ret < 0) {
memset(regbuf, 'X', regsize);
regbuf[regsize] = '\0';
step = codec->driver->reg_cache_step;
for (i = 0; i < codec->driver->reg_cache_size; i += step) {
- if (codec->readable_register && !codec->readable_register(codec, i))
+ if (!snd_soc_codec_readable_register(codec, i))
continue;
if (codec->driver->display_register) {
count += codec->driver->display_register(codec, buf + count,
static ssize_t codec_reg_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct snd_soc_pcm_runtime *rtd =
- container_of(dev, struct snd_soc_pcm_runtime, dev);
+ struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0);
}
static ssize_t pmdown_time_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct snd_soc_pcm_runtime *rtd =
- container_of(dev, struct snd_soc_pcm_runtime, dev);
+ struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
return sprintf(buf, "%ld\n", rtd->pmdown_time);
}
struct device_attribute *attr,
const char *buf, size_t count)
{
- struct snd_soc_pcm_runtime *rtd =
- container_of(dev, struct snd_soc_pcm_runtime, dev);
+ struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
int ret;
ret = strict_strtol(buf, 10, &rtd->pmdown_time);
static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
#ifdef CONFIG_DEBUG_FS
-static int codec_reg_open_file(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
const char __user *user_buf, size_t count, loff_t *ppos)
{
char buf[32];
- int buf_size;
+ size_t buf_size;
char *start = buf;
unsigned long reg, value;
- int step = 1;
struct snd_soc_codec *codec = file->private_data;
buf_size = min(count, (sizeof(buf)-1));
return -EFAULT;
buf[buf_size] = 0;
- if (codec->driver->reg_cache_step)
- step = codec->driver->reg_cache_step;
-
while (*start == ' ')
start++;
reg = simple_strtoul(start, &start, 16);
}
static const struct file_operations codec_reg_fops = {
- .open = codec_reg_open_file,
+ .open = simple_open,
.read = codec_reg_read_file,
.write = codec_reg_write_file,
.llseek = default_llseek,
codec->debugfs_codec_root = debugfs_create_dir(codec->name,
debugfs_card_root);
if (!codec->debugfs_codec_root) {
- printk(KERN_WARNING
- "ASoC: Failed to create codec debugfs directory\n");
+ dev_warn(codec->dev, "Failed to create codec debugfs directory\n");
return;
}
codec->debugfs_codec_root,
codec, &codec_reg_fops);
if (!codec->debugfs_reg)
- printk(KERN_WARNING
- "ASoC: Failed to create codec register debugfs file\n");
-
- codec->dapm.debugfs_dapm = debugfs_create_dir("dapm",
- codec->debugfs_codec_root);
- if (!codec->dapm.debugfs_dapm)
- printk(KERN_WARNING
- "Failed to create DAPM debugfs directory\n");
+ dev_warn(codec->dev, "Failed to create codec register debugfs file\n");
- snd_soc_dapm_debugfs_init(&codec->dapm);
+ snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root);
}
static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
debugfs_remove_recursive(codec->debugfs_codec_root);
}
+static void soc_init_platform_debugfs(struct snd_soc_platform *platform)
+{
+ struct dentry *debugfs_card_root = platform->card->debugfs_card_root;
+
+ platform->debugfs_platform_root = debugfs_create_dir(platform->name,
+ debugfs_card_root);
+ if (!platform->debugfs_platform_root) {
+ dev_warn(platform->dev,
+ "Failed to create platform debugfs directory\n");
+ return;
+ }
+
+ snd_soc_dapm_debugfs_init(&platform->dapm,
+ platform->debugfs_platform_root);
+}
+
+static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
+{
+ debugfs_remove_recursive(platform->debugfs_platform_root);
+}
+
static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
snd_soc_debugfs_root);
if (!card->debugfs_card_root) {
dev_warn(card->dev,
- "ASoC: Failed to create codec debugfs directory\n");
+ "ASoC: Failed to create card debugfs directory\n");
return;
}
{
}
+static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform)
+{
+}
+
+static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
+{
+}
+
static inline void soc_init_card_debugfs(struct snd_soc_card *card)
{
}
}
#endif
-static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- int ret;
-
- if (!codec_dai->driver->symmetric_rates &&
- !cpu_dai->driver->symmetric_rates &&
- !rtd->dai_link->symmetric_rates)
- return 0;
-
- /* This can happen if multiple streams are starting simultaneously -
- * the second can need to get its constraints before the first has
- * picked a rate. Complain and allow the application to carry on.
- */
- if (!rtd->rate) {
- dev_warn(&rtd->dev,
- "Not enforcing symmetric_rates due to race\n");
- return 0;
- }
-
- dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n", rtd->rate);
-
- ret = snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_RATE,
- rtd->rate, rtd->rate);
- if (ret < 0) {
- dev_err(&rtd->dev,
- "Unable to apply rate symmetry constraint: %d\n", ret);
- return ret;
- }
-
- return 0;
-}
-
-/*
- * Called by ALSA when a PCM substream is opened, the runtime->hw record is
- * then initialized and any private data can be allocated. This also calls
- * startup for the cpu DAI, platform, machine and codec DAI.
- */
-static int soc_pcm_open(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_pcm_runtime *runtime = substream->runtime;
- 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->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);
- goto out;
- }
- }
-
- 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->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);
- goto codec_dai_err;
- }
- }
-
- 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", rtd->dai_link->name);
- goto machine_err;
- }
- }
-
- /* Check that the codec and cpu DAIs are compatible */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- runtime->hw.rate_min =
- max(codec_dai_drv->playback.rate_min,
- cpu_dai_drv->playback.rate_min);
- runtime->hw.rate_max =
- min(codec_dai_drv->playback.rate_max,
- cpu_dai_drv->playback.rate_max);
- runtime->hw.channels_min =
- max(codec_dai_drv->playback.channels_min,
- cpu_dai_drv->playback.channels_min);
- runtime->hw.channels_max =
- min(codec_dai_drv->playback.channels_max,
- cpu_dai_drv->playback.channels_max);
- runtime->hw.formats =
- codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats;
- runtime->hw.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_drv->playback.rates;
- if (cpu_dai_drv->playback.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai_drv->playback.rates;
- } else {
- runtime->hw.rate_min =
- max(codec_dai_drv->capture.rate_min,
- cpu_dai_drv->capture.rate_min);
- runtime->hw.rate_max =
- min(codec_dai_drv->capture.rate_max,
- cpu_dai_drv->capture.rate_max);
- runtime->hw.channels_min =
- max(codec_dai_drv->capture.channels_min,
- cpu_dai_drv->capture.channels_min);
- runtime->hw.channels_max =
- min(codec_dai_drv->capture.channels_max,
- cpu_dai_drv->capture.channels_max);
- runtime->hw.formats =
- codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats;
- runtime->hw.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_drv->capture.rates;
- if (cpu_dai_drv->capture.rates
- & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))
- runtime->hw.rates |= codec_dai_drv->capture.rates;
- }
-
- ret = -EINVAL;
- snd_pcm_limit_hw_rates(runtime);
- if (!runtime->hw.rates) {
- printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
- codec_dai->name, cpu_dai->name);
- goto config_err;
- }
- if (!runtime->hw.formats) {
- printk(KERN_ERR "asoc: %s <-> %s No matching formats\n",
- codec_dai->name, cpu_dai->name);
- goto config_err;
- }
- if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
- runtime->hw.channels_min > runtime->hw.channels_max) {
- printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
- codec_dai->name, cpu_dai->name);
- goto config_err;
- }
-
- /* Symmetry only applies if we've already got an active stream. */
- if (cpu_dai->active || codec_dai->active) {
- ret = soc_pcm_apply_symmetry(substream);
- if (ret != 0)
- goto config_err;
- }
-
- 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);
- pr_debug("asoc: min rate %d max rate %d\n", runtime->hw.rate_min,
- runtime->hw.rate_max);
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- cpu_dai->playback_active++;
- codec_dai->playback_active++;
- } else {
- cpu_dai->capture_active++;
- codec_dai->capture_active++;
- }
- cpu_dai->active++;
- codec_dai->active++;
- rtd->codec->active++;
- mutex_unlock(&pcm_mutex);
- return 0;
-
-config_err:
- if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
- rtd->dai_link->ops->shutdown(substream);
-
-machine_err:
- if (codec_dai->driver->ops->shutdown)
- codec_dai->driver->ops->shutdown(substream, codec_dai);
-
-codec_dai_err:
- if (platform->driver->ops->close)
- platform->driver->ops->close(substream);
-
-platform_err:
- if (cpu_dai->driver->ops->shutdown)
- cpu_dai->driver->ops->shutdown(substream, cpu_dai);
-out:
- mutex_unlock(&pcm_mutex);
- return ret;
-}
-
-/*
- * Power down the audio subsystem pmdown_time msecs after close is called.
- * This is to ensure there are no pops or clicks in between any music tracks
- * due to DAPM power cycling.
- */
-static void close_delayed_work(struct work_struct *work)
-{
- 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);
-
- 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);
-}
-
-/*
- * Called by ALSA when a PCM substream is closed. Private data can be
- * freed here. The cpu DAI, codec DAI, machine and platform are also
- * shutdown.
- */
-static int soc_codec_close(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- 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--;
- } else {
- cpu_dai->capture_active--;
- codec_dai->capture_active--;
- }
-
- cpu_dai->active--;
- codec_dai->active--;
- codec->active--;
-
- /* Muting the DAC suppresses artifacts caused during digital
- * shutdown, for example from stopping clocks.
- */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_soc_dai_digital_mute(codec_dai, 1);
-
- if (cpu_dai->driver->ops->shutdown)
- cpu_dai->driver->ops->shutdown(substream, cpu_dai);
-
- if (codec_dai->driver->ops->shutdown)
- codec_dai->driver->ops->shutdown(substream, codec_dai);
-
- if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
- rtd->dai_link->ops->shutdown(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(&rtd->delayed_work,
- msecs_to_jiffies(rtd->pmdown_time));
- } else {
- /* capture streams can be powered down now */
- snd_soc_dapm_stream_event(rtd,
- codec_dai->driver->capture.stream_name,
- SND_SOC_DAPM_STREAM_STOP);
- }
-
- mutex_unlock(&pcm_mutex);
- return 0;
-}
-
-/*
- * Called by ALSA when the PCM substream is prepared, can set format, sample
- * rate, etc. This function is non atomic and can be called multiple times,
- * it can refer to the runtime info.
- */
-static int soc_pcm_prepare(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- 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 (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->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->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->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;
- }
- }
-
- /* cancel any delayed stream shutdown that is pending */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
- codec_dai->pop_wait) {
- codec_dai->pop_wait = 0;
- cancel_delayed_work(&rtd->delayed_work);
- }
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_soc_dapm_stream_event(rtd,
- codec_dai->driver->playback.stream_name,
- SND_SOC_DAPM_STREAM_START);
- else
- 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);
-
-out:
- mutex_unlock(&pcm_mutex);
- return ret;
-}
-
-/*
- * Called by ALSA when the hardware params are set by application. This
- * function can also be called multiple times and can allocate buffers
- * (using snd_pcm_lib_* ). It's non-atomic.
- */
-static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- 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 (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->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);
- goto codec_err;
- }
- }
-
- 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);
- goto interface_err;
- }
- }
-
- 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);
- goto platform_err;
- }
- }
-
- rtd->rate = params_rate(params);
-
-out:
- mutex_unlock(&pcm_mutex);
- return ret;
-
-platform_err:
- if (cpu_dai->driver->ops->hw_free)
- cpu_dai->driver->ops->hw_free(substream, cpu_dai);
-
-interface_err:
- if (codec_dai->driver->ops->hw_free)
- codec_dai->driver->ops->hw_free(substream, codec_dai);
-
-codec_err:
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
- rtd->dai_link->ops->hw_free(substream);
-
- mutex_unlock(&pcm_mutex);
- return ret;
-}
-
-/*
- * Frees resources allocated by hw_params, can be called multiple times
- */
-static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- 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);
-
- /* apply codec digital mute */
- if (!codec->active)
- snd_soc_dai_digital_mute(codec_dai, 1);
-
- /* free any machine hw params */
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
- rtd->dai_link->ops->hw_free(substream);
-
- /* free any DMA resources */
- if (platform->driver->ops->hw_free)
- platform->driver->ops->hw_free(substream);
-
- /* now free hw params for the DAIs */
- if (codec_dai->driver->ops->hw_free)
- codec_dai->driver->ops->hw_free(substream, codec_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_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->driver->ops->trigger) {
- ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai);
- if (ret < 0)
- return ret;
- }
-
- if (platform->driver->ops->trigger) {
- ret = platform->driver->ops->trigger(substream, cmd);
- if (ret < 0)
- return ret;
- }
-
- if (cpu_dai->driver->ops->trigger) {
- ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai);
- if (ret < 0)
- return ret;
- }
- return 0;
-}
-
-/*
- * soc level wrapper for pointer callback
- * If cpu_dai, codec_dai, platform driver has the delay callback, than
- * the runtime->delay will be updated accordingly.
- */
-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_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->driver->ops->pointer)
- offset = platform->driver->ops->pointer(substream);
-
- if (cpu_dai->driver->ops->delay)
- delay += cpu_dai->driver->ops->delay(substream, cpu_dai);
-
- if (codec_dai->driver->ops->delay)
- delay += codec_dai->driver->ops->delay(substream, codec_dai);
-
- if (platform->driver->delay)
- delay += platform->driver->delay(substream, codec_dai);
-
- runtime->delay = delay;
-
- return offset;
-}
-
-/* ASoC PCM operations */
-static struct snd_pcm_ops soc_pcm_ops = {
- .open = soc_pcm_open,
- .close = soc_codec_close,
- .hw_params = soc_pcm_hw_params,
- .hw_free = soc_pcm_hw_free,
- .prepare = soc_pcm_prepare,
- .trigger = soc_pcm_trigger,
- .pointer = soc_pcm_pointer,
-};
-
#ifdef CONFIG_PM_SLEEP
/* powers down audio subsystem for suspend */
int snd_soc_suspend(struct device *dev)
}
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver;
+ struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (driver->playback.stream_name != NULL)
- snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name,
- SND_SOC_DAPM_STREAM_SUSPEND);
+ snd_soc_dapm_stream_event(&card->rtd[i],
+ SNDRV_PCM_STREAM_PLAYBACK,
+ codec_dai,
+ SND_SOC_DAPM_STREAM_SUSPEND);
- if (driver->capture.stream_name != NULL)
- snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name,
- SND_SOC_DAPM_STREAM_SUSPEND);
+ snd_soc_dapm_stream_event(&card->rtd[i],
+ SNDRV_PCM_STREAM_CAPTURE,
+ codec_dai,
+ SND_SOC_DAPM_STREAM_SUSPEND);
}
/* suspend all CODECs */
if (!codec->suspended && codec->driver->suspend) {
switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
+ /*
+ * If the CODEC is capable of idle
+ * bias off then being in STANDBY
+ * means it's doing something,
+ * otherwise fall through.
+ */
+ if (codec->dapm.idle_bias_off) {
+ dev_dbg(codec->dev,
+ "idle_bias_off CODEC on over suspend\n");
+ break;
+ }
case SND_SOC_BIAS_OFF:
- codec->driver->suspend(codec, PMSG_SUSPEND);
+ codec->driver->suspend(codec);
codec->suspended = 1;
+ codec->cache_sync = 1;
break;
default:
dev_dbg(codec->dev, "CODEC is on over suspend\n");
}
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver;
+ struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (driver->playback.stream_name != NULL)
- snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name,
- SND_SOC_DAPM_STREAM_RESUME);
+ snd_soc_dapm_stream_event(&card->rtd[i],
+ SNDRV_PCM_STREAM_PLAYBACK, codec_dai,
+ SND_SOC_DAPM_STREAM_RESUME);
- if (driver->capture.stream_name != NULL)
- snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name,
- SND_SOC_DAPM_STREAM_RESUME);
+ snd_soc_dapm_stream_event(&card->rtd[i],
+ SNDRV_PCM_STREAM_CAPTURE, codec_dai,
+ SND_SOC_DAPM_STREAM_RESUME);
}
/* unmute any active DACs */
int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
- int i;
+ int i, ac97_control = 0;
+
+ /* If the initialization of this soc device failed, there is no codec
+ * associated with it. Just bail out in this case.
+ */
+ if (list_empty(&card->codec_dev_list))
+ return 0;
/* AC97 devices might have other drivers hanging off them so
* need to resume immediately. Other drivers don't have that
*/
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");
- }
+ ac97_control |= cpu_dai->driver->ac97_control;
+ }
+ if (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;
#define snd_soc_resume NULL
#endif
-static struct snd_soc_dai_ops null_dai_ops = {
+static const struct snd_soc_dai_ops null_dai_ops = {
};
static int soc_bind_dai_link(struct snd_soc_card *card, int num)
struct snd_soc_codec *codec;
struct snd_soc_platform *platform;
struct snd_soc_dai *codec_dai, *cpu_dai;
+ const char *platform_name;
if (rtd->complete)
return 1;
}
/* 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 (dai_link->cpu_dai_of_node) {
+ if (cpu_dai->dev->of_node != dai_link->cpu_dai_of_node)
+ continue;
+ } else {
+ if (strcmp(cpu_dai->name, dai_link->cpu_dai_name))
+ continue;
}
+
+ rtd->cpu_dai = cpu_dai;
+ goto find_codec;
}
dev_dbg(card->dev, "CPU DAI %s not registered\n",
dai_link->cpu_dai_name);
/* 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;
-
- /* 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;
- }
- }
- dev_dbg(card->dev, "CODEC DAI %s not registered\n",
- dai_link->codec_dai_name);
+ if (dai_link->codec_of_node) {
+ if (codec->dev->of_node != dai_link->codec_of_node)
+ continue;
+ } else {
+ if (strcmp(codec->name, dai_link->codec_name))
+ continue;
+ }
+
+ rtd->codec = codec;
- goto find_platform;
+ /*
+ * 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;
+ }
}
+ 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);
find_platform:
- /* do we already have the CODEC DAI for this link ? */
- if (rtd->platform) {
+ /* do we need a platform? */
+ if (rtd->platform)
goto out;
- }
- /* no, then find CPU DAI from registered DAIs*/
+
+ /* if there's no platform we match on the empty platform */
+ platform_name = dai_link->platform_name;
+ if (!platform_name && !dai_link->platform_of_node)
+ platform_name = "snd-soc-dummy";
+
+ /* no, then find one from the set of registered platforms */
list_for_each_entry(platform, &platform_list, list) {
- if (!strcmp(platform->name, dai_link->platform_name)) {
- rtd->platform = platform;
- goto out;
+ if (dai_link->platform_of_node) {
+ if (platform->dev->of_node !=
+ dai_link->platform_of_node)
+ continue;
+ } else {
+ if (strcmp(platform->name, platform_name))
+ continue;
}
+
+ rtd->platform = platform;
+ goto out;
}
dev_dbg(card->dev, "platform %s not registered\n",
module_put(codec->dev->driver->owner);
}
-static void soc_remove_dai_link(struct snd_soc_card *card, int num)
+static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_codec *codec = rtd->codec;
/* unregister the rtd device */
if (rtd->dev_registered) {
- device_remove_file(&rtd->dev, &dev_attr_pmdown_time);
- device_remove_file(&rtd->dev, &dev_attr_codec_reg);
- device_unregister(&rtd->dev);
+ device_remove_file(rtd->dev, &dev_attr_pmdown_time);
+ device_remove_file(rtd->dev, &dev_attr_codec_reg);
+ device_unregister(rtd->dev);
rtd->dev_registered = 0;
}
/* remove the CODEC DAI */
- if (codec_dai && codec_dai->probed) {
+ if (codec_dai && codec_dai->probed &&
+ codec_dai->driver->remove_order == order) {
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);
+ pr_err("asoc: failed to remove %s: %d\n",
+ codec_dai->name, err);
}
codec_dai->probed = 0;
list_del(&codec_dai->card_list);
}
/* remove the platform */
- if (platform && platform->probed) {
+ if (platform && platform->probed &&
+ platform->driver->remove_order == order) {
if (platform->driver->remove) {
err = platform->driver->remove(platform);
if (err < 0)
- printk(KERN_ERR "asoc: failed to remove %s\n", platform->name);
+ pr_err("asoc: failed to remove %s: %d\n",
+ platform->name, err);
}
+
+ /* Make sure all DAPM widgets are freed */
+ snd_soc_dapm_free(&platform->dapm);
+
+ soc_cleanup_platform_debugfs(platform);
platform->probed = 0;
list_del(&platform->card_list);
module_put(platform->dev->driver->owner);
}
/* remove the CODEC */
- if (codec && codec->probed)
+ if (codec && codec->probed &&
+ codec->driver->remove_order == order)
soc_remove_codec(codec);
/* remove the cpu_dai */
- if (cpu_dai && cpu_dai->probed) {
+ if (cpu_dai && cpu_dai->probed &&
+ cpu_dai->driver->remove_order == order) {
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);
+ pr_err("asoc: failed to remove %s: %d\n",
+ cpu_dai->name, err);
}
cpu_dai->probed = 0;
list_del(&cpu_dai->card_list);
}
}
+static void soc_remove_dai_links(struct snd_soc_card *card)
+{
+ int dai, order;
+
+ for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+ order++) {
+ for (dai = 0; dai < card->num_rtd; dai++)
+ soc_remove_dai_link(card, dai, order);
+ }
+ card->num_rtd = 0;
+}
+
static void soc_set_name_prefix(struct snd_soc_card *card,
struct snd_soc_codec *codec)
{
{
int ret = 0;
const struct snd_soc_codec_driver *driver = codec->driver;
+ struct snd_soc_dai *dai;
codec->card = card;
codec->dapm.card = card;
if (!try_module_get(codec->dev->driver->owner))
return -ENODEV;
+ soc_init_codec_debugfs(codec);
+
+ if (driver->dapm_widgets)
+ snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets,
+ driver->num_dapm_widgets);
+
+ /* Create DAPM widgets for each DAI stream */
+ list_for_each_entry(dai, &dai_list, list) {
+ if (dai->dev != codec->dev)
+ continue;
+
+ snd_soc_dapm_new_dai_widgets(&codec->dapm, dai);
+ }
+
+ codec->dapm.idle_bias_off = driver->idle_bias_off;
+
if (driver->probe) {
ret = driver->probe(codec);
if (ret < 0) {
}
if (driver->controls)
- snd_soc_add_controls(codec, driver->controls,
+ snd_soc_add_codec_controls(codec, driver->controls,
driver->num_controls);
- if (driver->dapm_widgets)
- snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets,
- driver->num_dapm_widgets);
if (driver->dapm_routes)
snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes,
driver->num_dapm_routes);
- 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);
return 0;
err_probe:
+ soc_cleanup_codec_debugfs(codec);
module_put(codec->dev->driver->owner);
return ret;
}
-static void rtd_release(struct device *dev) {}
+static int soc_probe_platform(struct snd_soc_card *card,
+ struct snd_soc_platform *platform)
+{
+ int ret = 0;
+ const struct snd_soc_platform_driver *driver = platform->driver;
+
+ platform->card = card;
+ platform->dapm.card = card;
+
+ if (!try_module_get(platform->dev->driver->owner))
+ return -ENODEV;
+
+ soc_init_platform_debugfs(platform);
+
+ if (driver->dapm_widgets)
+ snd_soc_dapm_new_controls(&platform->dapm,
+ driver->dapm_widgets, driver->num_dapm_widgets);
+
+ if (driver->probe) {
+ ret = driver->probe(platform);
+ if (ret < 0) {
+ dev_err(platform->dev,
+ "asoc: failed to probe platform %s: %d\n",
+ platform->name, ret);
+ goto err_probe;
+ }
+ }
+
+ if (driver->controls)
+ snd_soc_add_platform_controls(platform, driver->controls,
+ driver->num_controls);
+ if (driver->dapm_routes)
+ snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes,
+ driver->num_dapm_routes);
+
+ /* mark platform as probed and add to card platform list */
+ platform->probed = 1;
+ list_add(&platform->card_list, &card->platform_dev_list);
+ list_add(&platform->dapm.list, &card->dapm_list);
+
+ return 0;
+
+err_probe:
+ soc_cleanup_platform_debugfs(platform);
+ module_put(platform->dev->driver->owner);
+
+ return ret;
+}
+
+static void rtd_release(struct device *dev)
+{
+ kfree(dev);
+}
static int soc_post_component_init(struct snd_soc_card *card,
struct snd_soc_codec *codec,
}
rtd->card = card;
+ /* Make sure all DAPM widgets are instantiated */
+ snd_soc_dapm_new_widgets(&codec->dapm);
+
/* machine controls, routes and widgets are not prefixed */
temp = codec->name_prefix;
codec->name_prefix = NULL;
}
codec->name_prefix = temp;
- /* Make sure all DAPM widgets are instantiated */
- snd_soc_dapm_new_widgets(&codec->dapm);
-
/* register the rtd device */
rtd->codec = codec;
- rtd->dev.parent = card->dev;
- rtd->dev.release = rtd_release;
- rtd->dev.init_name = name;
- ret = device_register(&rtd->dev);
+
+ rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL);
+ if (!rtd->dev)
+ return -ENOMEM;
+ device_initialize(rtd->dev);
+ rtd->dev->parent = card->dev;
+ rtd->dev->release = rtd_release;
+ rtd->dev->init_name = name;
+ dev_set_drvdata(rtd->dev, rtd);
+ mutex_init(&rtd->pcm_mutex);
+ ret = device_add(rtd->dev);
if (ret < 0) {
dev_err(card->dev,
"asoc: failed to register runtime device: %d\n", ret);
rtd->dev_registered = 1;
/* add DAPM sysfs entries for this codec */
- ret = snd_soc_dapm_sys_add(&rtd->dev);
+ ret = snd_soc_dapm_sys_add(rtd->dev);
if (ret < 0)
dev_err(codec->dev,
"asoc: failed to add codec dapm sysfs entries: %d\n",
ret);
/* add codec sysfs entries */
- ret = device_create_file(&rtd->dev, &dev_attr_codec_reg);
+ ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
if (ret < 0)
dev_err(codec->dev,
"asoc: failed to add codec sysfs files: %d\n", ret);
return 0;
}
-static int soc_probe_dai_link(struct snd_soc_card *card, int num)
+static int soc_probe_dai_link(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
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);
+ dev_dbg(card->dev, "probe %s dai link %d late %d\n",
+ card->name, num, order);
/* config components */
codec_dai->codec = codec;
rtd->pmdown_time = pmdown_time;
/* probe the cpu_dai */
- if (!cpu_dai->probed) {
+ if (!cpu_dai->probed &&
+ cpu_dai->driver->probe_order == order) {
+ if (!try_module_get(cpu_dai->dev->driver->owner))
+ return -ENODEV;
+
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);
+ pr_err("asoc: failed to probe CPU DAI %s: %d\n",
+ cpu_dai->name, ret);
+ module_put(cpu_dai->dev->driver->owner);
return ret;
}
}
cpu_dai->probed = 1;
- /* mark cpu_dai as probed and add to card cpu_dai list */
+ /* mark cpu_dai as probed and add to card dai list */
list_add(&cpu_dai->card_list, &card->dai_dev_list);
}
/* probe the CODEC */
- if (!codec->probed) {
+ if (!codec->probed &&
+ codec->driver->probe_order == order) {
ret = soc_probe_codec(card, codec);
if (ret < 0)
return ret;
}
/* probe the platform */
- if (!platform->probed) {
- if (!try_module_get(platform->dev->driver->owner))
- return -ENODEV;
-
- if (platform->driver->probe) {
- ret = platform->driver->probe(platform);
- if (ret < 0) {
- printk(KERN_ERR "asoc: failed to probe platform %s\n",
- platform->name);
- module_put(platform->dev->driver->owner);
- return ret;
- }
- }
- /* mark platform as probed and add to card platform list */
- platform->probed = 1;
- list_add(&platform->card_list, &card->platform_dev_list);
+ if (!platform->probed &&
+ platform->driver->probe_order == order) {
+ ret = soc_probe_platform(card, platform);
+ if (ret < 0)
+ return ret;
}
/* probe the CODEC DAI */
- if (!codec_dai->probed) {
+ if (!codec_dai->probed && codec_dai->driver->probe_order == order) {
if (codec_dai->driver->probe) {
ret = codec_dai->driver->probe(codec_dai);
if (ret < 0) {
- printk(KERN_ERR "asoc: failed to probe CODEC DAI %s\n",
- codec_dai->name);
+ pr_err("asoc: failed to probe CODEC DAI %s: %d\n",
+ codec_dai->name, ret);
return ret;
}
}
- /* mark cpu_dai as probed and add to card cpu_dai list */
+ /* mark codec_dai as probed and add to card dai list */
codec_dai->probed = 1;
list_add(&codec_dai->card_list, &card->dai_dev_list);
}
- /* DAPM dai link stream work */
- INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
+ /* complete DAI probe during last probe */
+ if (order != SND_SOC_COMP_ORDER_LAST)
+ return 0;
ret = soc_post_component_init(card, codec, num, 0);
if (ret)
return ret;
- ret = device_create_file(&rtd->dev, &dev_attr_pmdown_time);
+ ret = device_create_file(rtd->dev, &dev_attr_pmdown_time);
if (ret < 0)
- printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n");
+ pr_warn("asoc: failed to add pmdown_time sysfs:%d\n", ret);
/* 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);
+ pr_err("asoc: can't create pcm %s :%d\n",
+ dai_link->stream_name, ret);
return ret;
}
ret = soc_ac97_dev_register(rtd->codec);
if (ret < 0) {
- printk(KERN_ERR "asoc: AC97 device register failed\n");
+ pr_err("asoc: AC97 device register failed:%d\n", ret);
return ret;
}
/* unregister the rtd device */
if (rtd->dev_registered) {
- device_remove_file(&rtd->dev, &dev_attr_codec_reg);
- device_unregister(&rtd->dev);
+ device_remove_file(rtd->dev, &dev_attr_codec_reg);
+ device_del(rtd->dev);
rtd->dev_registered = 0;
}
struct snd_soc_codec *codec;
struct snd_soc_codec_conf *codec_conf;
enum snd_soc_compress_type compress_type;
- int ret, i;
+ struct snd_soc_dai_link *dai_link;
+ int ret, i, order;
mutex_lock(&card->mutex);
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);
+ pr_err("asoc: can't create sound card for card %s: %d\n",
+ card->name, ret);
mutex_unlock(&card->mutex);
return;
}
card->dapm.card = card;
list_add(&card->dapm.list, &card->dapm_list);
+#ifdef CONFIG_DEBUG_FS
+ snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root);
+#endif
+
#ifdef CONFIG_PM_SLEEP
/* deferred resume work */
INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
#endif
+ if (card->dapm_widgets)
+ snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets,
+ card->num_dapm_widgets);
+
/* initialise the sound card only once */
if (card->probe) {
ret = card->probe(card);
goto card_probe_error;
}
- 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",
+ /* early DAI link probe */
+ for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+ order++) {
+ for (i = 0; i < card->num_links; i++) {
+ ret = soc_probe_dai_link(card, i, order);
+ if (ret < 0) {
+ pr_err("asoc: failed to instantiate card %s: %d\n",
card->name, ret);
- goto probe_dai_err;
+ goto probe_dai_err;
+ }
}
}
}
}
- /* We should have a non-codec control add function but we don't */
+ snd_soc_dapm_link_dai_widgets(card);
+
if (card->controls)
- snd_soc_add_controls(list_first_entry(&card->codec_dev_list,
- struct snd_soc_codec,
- card_list),
- card->controls,
- card->num_controls);
+ snd_soc_add_card_controls(card, card->controls, card->num_controls);
- if (card->dapm_widgets)
- snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets,
- card->num_dapm_widgets);
if (card->dapm_routes)
snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes,
card->num_dapm_routes);
-#ifdef CONFIG_DEBUG_FS
- card->dapm.debugfs_dapm = debugfs_create_dir("dapm",
- card->debugfs_card_root);
- if (!card->dapm.debugfs_dapm)
- printk(KERN_WARNING
- "Failed to create card DAPM debugfs directory\n");
+ snd_soc_dapm_new_widgets(&card->dapm);
- snd_soc_dapm_debugfs_init(&card->dapm);
-#endif
+ for (i = 0; i < card->num_links; i++) {
+ dai_link = &card->dai_link[i];
+
+ if (dai_link->dai_fmt) {
+ ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai,
+ dai_link->dai_fmt);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(card->rtd[i].codec_dai->dev,
+ "Failed to set DAI format: %d\n",
+ ret);
+
+ ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai,
+ dai_link->dai_fmt);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(card->rtd[i].cpu_dai->dev,
+ "Failed to set DAI format: %d\n",
+ ret);
+ }
+ }
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);
+ snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
+ "%s", card->long_name ? card->long_name : card->name);
+ snprintf(card->snd_card->driver, sizeof(card->snd_card->driver),
+ "%s", card->driver_name ? card->driver_name : card->name);
+ for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) {
+ switch (card->snd_card->driver[i]) {
+ case '_':
+ case '-':
+ case '\0':
+ break;
+ default:
+ if (!isalnum(card->snd_card->driver[i]))
+ card->snd_card->driver[i] = '_';
+ break;
+ }
+ }
if (card->late_probe) {
ret = card->late_probe(card);
}
}
+ snd_soc_dapm_new_widgets(&card->dapm);
+
+ if (card->fully_routed)
+ list_for_each_entry(codec, &card->codec_dev_list, card_list)
+ snd_soc_dapm_auto_nc_codec_pins(codec);
+
ret = snd_card_register(card->snd_card);
if (ret < 0) {
- printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name);
+ pr_err("asoc: failed to register soundcard for %s: %d\n",
+ card->name, ret);
goto probe_aux_dev_err;
}
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);
+ pr_err("asoc: failed to register AC97 %s: %d\n",
+ card->name, ret);
while (--i >= 0)
soc_unregister_ac97_dai_link(card->rtd[i].codec);
goto probe_aux_dev_err;
#endif
card->instantiated = 1;
+ snd_soc_dapm_sync(&card->dapm);
mutex_unlock(&card->mutex);
return;
soc_remove_aux_dev(card, i);
probe_dai_err:
- for (i = 0; i < card->num_links; i++)
- soc_remove_dai_link(card, i);
+ soc_remove_dai_links(card);
card_probe_error:
if (card->remove)
if (!card)
return -EINVAL;
+ dev_warn(&pdev->dev,
+ "ASoC machine %s should use snd_soc_register_card()\n",
+ card->name);
+
/* Bodge while we unpick instantiation */
card->dev = &pdev->dev;
soc_remove_aux_dev(card, i);
/* remove and free each DAI */
- for (i = 0; i < card->num_rtd; i++)
- soc_remove_dai_link(card, i);
+ soc_remove_dai_links(card);
soc_cleanup_card_debugfs(card);
if (card->remove)
card->remove(card);
- kfree(card->rtd);
+ snd_soc_dapm_free(&card->dapm);
+
snd_card_free(card->snd_card);
return 0;
const struct dev_pm_ops snd_soc_pm_ops = {
.suspend = snd_soc_suspend,
.resume = snd_soc_resume,
+ .freeze = snd_soc_suspend,
+ .thaw = snd_soc_resume,
.poweroff = snd_soc_poweroff,
+ .restore = snd_soc_resume,
};
EXPORT_SYMBOL_GPL(snd_soc_pm_ops);
.remove = soc_remove,
};
-/* create a new pcm */
-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;
-
- /* check client and interface hw capabilities */
- snprintf(new_name, sizeof(new_name), "%s %s-%d",
- rtd->dai_link->stream_name, codec_dai->name, num);
-
- if (codec_dai->driver->playback.channels_min)
- playback = 1;
- if (codec_dai->driver->capture.channels_min)
- capture = 1;
-
- 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);
- return ret;
- }
-
- rtd->pcm = pcm;
- pcm->private_data = rtd;
- 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->driver->pcm_new(rtd->card->snd_card, codec_dai, pcm);
- if (ret < 0) {
- printk(KERN_ERR "asoc: platform pcm constructor failed\n");
- return ret;
- }
-
- pcm->private_free = platform->driver->pcm_free;
- printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name,
- cpu_dai->name);
- return ret;
-}
-
/**
* snd_soc_codec_volatile_register: Report if a register is volatile.
*
if (codec->readable_register)
return codec->readable_register(codec, reg);
else
- return 0;
+ return 1;
}
EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register);
if (codec->writable_register)
return codec->writable_register(codec, reg);
else
- return 0;
+ return 1;
}
EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);
+int snd_soc_platform_read(struct snd_soc_platform *platform,
+ unsigned int reg)
+{
+ unsigned int ret;
+
+ if (!platform->driver->read) {
+ dev_err(platform->dev, "platform has no read back\n");
+ return -1;
+ }
+
+ ret = platform->driver->read(platform, reg);
+ dev_dbg(platform->dev, "read %x => %x\n", reg, ret);
+ trace_snd_soc_preg_read(platform, reg, ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_platform_read);
+
+int snd_soc_platform_write(struct snd_soc_platform *platform,
+ unsigned int reg, unsigned int val)
+{
+ if (!platform->driver->write) {
+ dev_err(platform->dev, "platform has no write back\n");
+ return -1;
+ }
+
+ dev_dbg(platform->dev, "write %x = %x\n", reg, val);
+ trace_snd_soc_preg_write(platform, reg, val);
+ return platform->driver->write(platform, reg, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_platform_write);
+
/**
* snd_soc_new_ac97_codec - initailise AC97 device
* @codec: audio codec
int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
unsigned int mask, unsigned int value)
{
- int change;
+ bool change;
unsigned int old, new;
int ret;
- ret = snd_soc_read(codec, reg);
- if (ret < 0)
- return ret;
-
- old = ret;
- new = (old & ~mask) | value;
- change = old != new;
- if (change) {
- ret = snd_soc_write(codec, reg, new);
+ if (codec->using_regmap) {
+ ret = regmap_update_bits_check(codec->control_data, reg,
+ mask, value, &change);
+ } else {
+ ret = snd_soc_read(codec, reg);
if (ret < 0)
return ret;
+
+ old = ret;
+ new = (old & ~mask) | (value & mask);
+ change = old != new;
+ if (change)
+ ret = snd_soc_write(codec, reg, new);
}
+ if (ret < 0)
+ return ret;
+
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_update_bits);
* Returns 0 for success, else error.
*/
struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
- void *data, char *long_name,
+ void *data, const char *long_name,
const char *prefix)
{
struct snd_kcontrol_new template;
if (prefix) {
name_len = strlen(long_name) + strlen(prefix) + 2;
- name = kmalloc(name_len, GFP_ATOMIC);
+ name = kmalloc(name_len, GFP_KERNEL);
if (!name)
return NULL;
- snprintf(name, name_len, "%s %s", prefix, long_name);
+ snprintf(name, name_len, "%s %s", prefix, long_name);
+
+ template.name = name;
+ } else {
+ template.name = long_name;
+ }
+
+ kcontrol = snd_ctl_new1(&template, data);
+
+ kfree(name);
+
+ return kcontrol;
+}
+EXPORT_SYMBOL_GPL(snd_soc_cnew);
+
+static int snd_soc_add_controls(struct snd_card *card, struct device *dev,
+ const struct snd_kcontrol_new *controls, int num_controls,
+ const char *prefix, void *data)
+{
+ 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, data,
+ control->name, prefix));
+ if (err < 0) {
+ dev_err(dev, "Failed to add %s: %d\n", control->name, err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * snd_soc_add_codec_controls - add an array of controls to a codec.
+ * Convenience function to add a list of controls. Many codecs were
+ * duplicating this code.
+ *
+ * @codec: codec to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
+ *
+ * Return 0 for success, else error.
+ */
+int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
+ const struct snd_kcontrol_new *controls, int num_controls)
+{
+ struct snd_card *card = codec->card->snd_card;
+
+ return snd_soc_add_controls(card, codec->dev, controls, num_controls,
+ codec->name_prefix, codec);
+}
+EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
- template.name = name;
- } else {
- template.name = long_name;
- }
+/**
+ * snd_soc_add_platform_controls - add an array of controls to a platform.
+ * Convenience function to add a list of controls.
+ *
+ * @platform: platform to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
+ *
+ * Return 0 for success, else error.
+ */
+int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
+ const struct snd_kcontrol_new *controls, int num_controls)
+{
+ struct snd_card *card = platform->card->snd_card;
- kcontrol = snd_ctl_new1(&template, data);
+ return snd_soc_add_controls(card, platform->dev, controls, num_controls,
+ NULL, platform);
+}
+EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
- kfree(name);
+/**
+ * snd_soc_add_card_controls - add an array of controls to a SoC card.
+ * Convenience function to add a list of controls.
+ *
+ * @soc_card: SoC card to add controls to
+ * @controls: array of controls to add
+ * @num_controls: number of elements in the array
+ *
+ * Return 0 for success, else error.
+ */
+int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
+ const struct snd_kcontrol_new *controls, int num_controls)
+{
+ struct snd_card *card = soc_card->snd_card;
- return kcontrol;
+ return snd_soc_add_controls(card, soc_card->dev, controls, num_controls,
+ NULL, soc_card);
}
-EXPORT_SYMBOL_GPL(snd_soc_cnew);
+EXPORT_SYMBOL_GPL(snd_soc_add_card_controls);
/**
- * snd_soc_add_controls - add an array of controls to a codec.
- * Convienience function to add a list of controls. Many codecs were
- * duplicating this code.
+ * snd_soc_add_dai_controls - add an array of controls to a DAI.
+ * Convienience function to add a list of controls.
*
- * @codec: codec to add controls to
+ * @dai: DAI to add controls to
* @controls: array of controls to add
* @num_controls: number of elements in the array
*
* Return 0 for success, else error.
*/
-int snd_soc_add_controls(struct snd_soc_codec *codec,
+int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
const struct snd_kcontrol_new *controls, int num_controls)
{
- 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,
- control->name,
- codec->name_prefix));
- if (err < 0) {
- dev_err(codec->dev, "%s: Failed to add %s: %d\n",
- codec->name, control->name, err);
- return err;
- }
- }
+ struct snd_card *card = dai->card->snd_card;
- return 0;
+ return snd_soc_add_controls(card, dai->dev, controls, num_controls,
+ NULL, dai);
}
-EXPORT_SYMBOL_GPL(snd_soc_add_controls);
+EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
/**
* snd_soc_info_enum_double - enumerated double mixer info callback
* @kcontrol: mixer control
* @uinfo: control element information
*
- * Callback to provide information about a single mixer control.
+ * Callback to provide information about a single mixer control, or a double
+ * mixer control that spans 2 registers.
*
* Returns 0 for success.
*/
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int platform_max;
- unsigned int shift = mc->shift;
- unsigned int rshift = mc->rshift;
if (!mc->platform_max)
mc->platform_max = mc->max;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = shift == rshift ? 1 : 2;
+ uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = platform_max;
return 0;
* @kcontrol: mixer control
* @ucontrol: control element information
*
- * Callback to get the value of a single mixer control.
+ * Callback to get the value of a single mixer control, or a double mixer
+ * control that spans 2 registers.
*
* Returns 0 for success.
*/
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
+ unsigned int reg2 = mc->rreg;
unsigned int shift = mc->shift;
unsigned int rshift = mc->rshift;
int max = mc->max;
ucontrol->value.integer.value[0] =
(snd_soc_read(codec, reg) >> shift) & mask;
- if (shift != rshift)
- ucontrol->value.integer.value[1] =
- (snd_soc_read(codec, reg) >> rshift) & mask;
- if (invert) {
+ if (invert)
ucontrol->value.integer.value[0] =
max - ucontrol->value.integer.value[0];
- if (shift != rshift)
+
+ if (snd_soc_volsw_is_stereo(mc)) {
+ if (reg == reg2)
+ ucontrol->value.integer.value[1] =
+ (snd_soc_read(codec, reg) >> rshift) & mask;
+ else
+ ucontrol->value.integer.value[1] =
+ (snd_soc_read(codec, reg2) >> shift) & mask;
+ if (invert)
ucontrol->value.integer.value[1] =
max - ucontrol->value.integer.value[1];
}
* @kcontrol: mixer control
* @ucontrol: control element information
*
- * Callback to set the value of a single mixer control.
+ * Callback to set the value of a single mixer control, or a double mixer
+ * control that spans 2 registers.
*
* Returns 0 for success.
*/
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
+ unsigned int reg2 = mc->rreg;
unsigned int shift = mc->shift;
unsigned int rshift = mc->rshift;
int max = mc->max;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
- unsigned int val, val2, val_mask;
+ int err;
+ bool type_2r = 0;
+ unsigned int val2 = 0;
+ unsigned int val, val_mask;
val = (ucontrol->value.integer.value[0] & mask);
if (invert)
val = max - val;
val_mask = mask << shift;
val = val << shift;
- if (shift != rshift) {
+ if (snd_soc_volsw_is_stereo(mc)) {
val2 = (ucontrol->value.integer.value[1] & mask);
if (invert)
val2 = max - val2;
- val_mask |= mask << rshift;
- val |= val2 << rshift;
- }
- return snd_soc_update_bits_locked(codec, reg, val_mask, val);
-}
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
-
-/**
- * snd_soc_info_volsw_2r - double mixer info callback
- * @kcontrol: mixer control
- * @uinfo: control element information
- *
- * Callback to provide information about a double mixer control that
- * spans 2 codec registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- int platform_max;
-
- if (!mc->platform_max)
- mc->platform_max = mc->max;
- platform_max = mc->platform_max;
-
- if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- else
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
-
- uinfo->count = 2;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = platform_max;
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
-
-/**
- * snd_soc_get_volsw_2r - double mixer get callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to get the value of a double mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- int max = mc->max;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
-
- ucontrol->value.integer.value[0] =
- (snd_soc_read(codec, reg) >> shift) & mask;
- ucontrol->value.integer.value[1] =
- (snd_soc_read(codec, reg2) >> shift) & mask;
- if (invert) {
- ucontrol->value.integer.value[0] =
- max - ucontrol->value.integer.value[0];
- ucontrol->value.integer.value[1] =
- max - ucontrol->value.integer.value[1];
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r);
-
-/**
- * snd_soc_put_volsw_2r - double mixer set callback
- * @kcontrol: mixer control
- * @ucontrol: control element information
- *
- * Callback to set the value of a double mixer control that spans 2 registers.
- *
- * Returns 0 for success.
- */
-int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct soc_mixer_control *mc =
- (struct soc_mixer_control *)kcontrol->private_value;
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- unsigned int reg = mc->reg;
- unsigned int reg2 = mc->rreg;
- unsigned int shift = mc->shift;
- int max = mc->max;
- unsigned int mask = (1 << fls(max)) - 1;
- unsigned int invert = mc->invert;
- int err;
- unsigned int val, val2, val_mask;
-
- val_mask = mask << shift;
- val = (ucontrol->value.integer.value[0] & mask);
- val2 = (ucontrol->value.integer.value[1] & mask);
-
- if (invert) {
- val = max - val;
- val2 = max - val2;
+ if (reg == reg2) {
+ val_mask |= mask << rshift;
+ val |= val2 << rshift;
+ } else {
+ val2 = val2 << shift;
+ type_2r = 1;
+ }
}
-
- val = val << shift;
- val2 = val2 << shift;
-
err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
if (err < 0)
return err;
- err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2);
+ if (type_2r)
+ err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2);
+
return err;
}
-EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r);
+EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
/**
* snd_soc_info_volsw_s8 - signed mixer info callback
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r_sx);
+int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_bytes *params = (void *)kcontrol->private_value;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+ uinfo->count = params->num_regs * codec->val_bytes;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
+
+int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_bytes *params = (void *)kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int ret;
+
+ if (codec->using_regmap)
+ ret = regmap_raw_read(codec->control_data, params->base,
+ ucontrol->value.bytes.data,
+ params->num_regs * codec->val_bytes);
+ else
+ ret = -EINVAL;
+
+ /* Hide any masked bytes to ensure consistent data reporting */
+ if (ret == 0 && params->mask) {
+ switch (codec->val_bytes) {
+ case 1:
+ ucontrol->value.bytes.data[0] &= ~params->mask;
+ break;
+ case 2:
+ ((u16 *)(&ucontrol->value.bytes.data))[0]
+ &= ~params->mask;
+ break;
+ case 4:
+ ((u32 *)(&ucontrol->value.bytes.data))[0]
+ &= ~params->mask;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
+
+int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_bytes *params = (void *)kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int ret, len;
+ unsigned int val;
+ void *data;
+
+ if (!codec->using_regmap)
+ return -EINVAL;
+
+ data = ucontrol->value.bytes.data;
+ len = params->num_regs * codec->val_bytes;
+
+ /*
+ * If we've got a mask then we need to preserve the register
+ * bits. We shouldn't modify the incoming data so take a
+ * copy.
+ */
+ if (params->mask) {
+ ret = regmap_read(codec->control_data, params->base, &val);
+ if (ret != 0)
+ return ret;
+
+ val &= params->mask;
+
+ data = kmemdup(data, len, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ switch (codec->val_bytes) {
+ case 1:
+ ((u8 *)data)[0] &= ~params->mask;
+ ((u8 *)data)[0] |= val;
+ break;
+ case 2:
+ ((u16 *)data)[0] &= cpu_to_be16(~params->mask);
+ ((u16 *)data)[0] |= cpu_to_be16(val);
+ break;
+ case 4:
+ ((u32 *)data)[0] &= cpu_to_be32(~params->mask);
+ ((u32 *)data)[0] |= cpu_to_be32(val);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ ret = regmap_raw_write(codec->control_data, params->base,
+ data, len);
+
+ if (params->mask)
+ kfree(data);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
+
/**
* snd_soc_dai_set_sysclk - configure DAI system or master clock.
* @dai: DAI
if (dai->driver && dai->driver->ops->set_sysclk)
return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
else if (dai->codec && dai->codec->driver->set_sysclk)
- return dai->codec->driver->set_sysclk(dai->codec, clk_id,
+ return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
freq, dir);
else
return -EINVAL;
* snd_soc_codec_set_sysclk - configure CODEC system or master clock.
* @codec: CODEC
* @clk_id: DAI specific clock ID
+ * @source: Source for the clock
* @freq: new clock frequency in Hz
* @dir: new clock direction - input/output.
*
* Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
*/
int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
- unsigned int freq, int dir)
+ int source, unsigned int freq, int dir)
{
if (codec->driver->set_sysclk)
- return codec->driver->set_sysclk(codec, clk_id, freq, dir);
+ return codec->driver->set_sysclk(codec, clk_id, source,
+ freq, dir);
else
return -EINVAL;
}
*/
int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
- if (dai->driver && dai->driver->ops->set_fmt)
- return dai->driver->ops->set_fmt(dai, fmt);
- else
+ if (dai->driver == NULL)
return -EINVAL;
+ if (dai->driver->ops->set_fmt == NULL)
+ return -ENOTSUPP;
+ return dai->driver->ops->set_fmt(dai, fmt);
}
EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
if (!card->name || !card->dev)
return -EINVAL;
+ for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_dai_link *link = &card->dai_link[i];
+
+ /*
+ * Codec must be specified by 1 of name or OF node,
+ * not both or neither.
+ */
+ if (!!link->codec_name == !!link->codec_of_node) {
+ dev_err(card->dev,
+ "Neither/both codec name/of_node are set for %s\n",
+ link->name);
+ return -EINVAL;
+ }
+
+ /*
+ * Platform may be specified by either name or OF node, but
+ * can be left unspecified, and a dummy platform will be used.
+ */
+ if (link->platform_name && link->platform_of_node) {
+ dev_err(card->dev,
+ "Both platform name/of_node are set for %s\n", link->name);
+ return -EINVAL;
+ }
+
+ /*
+ * CPU DAI must be specified by 1 of name or OF node,
+ * not both or neither.
+ */
+ if (!!link->cpu_dai_name == !!link->cpu_dai_of_node) {
+ dev_err(card->dev,
+ "Neither/both cpu_dai name/of_node are set for %s\n",
+ link->name);
+ return -EINVAL;
+ }
+ }
+
+ dev_set_drvdata(card->dev, card);
+
snd_soc_initialize_card_lists(card);
soc_init_card_debugfs(card);
- card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) *
- (card->num_links + card->num_aux_devs),
- GFP_KERNEL);
+ card->rtd = devm_kzalloc(card->dev,
+ sizeof(struct snd_soc_pcm_runtime) *
+ (card->num_links + card->num_aux_devs),
+ GFP_KERNEL);
if (card->rtd == NULL)
return -ENOMEM;
card->rtd_aux = &card->rtd[card->num_links];
card->rtd[i].dai_link = &card->dai_link[i];
INIT_LIST_HEAD(&card->list);
+ INIT_LIST_HEAD(&card->dapm_dirty);
card->instantiated = 0;
mutex_init(&card->mutex);
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",
+ pr_err("asoc: error - multiple DAI %s registered with no name\n",
dev_name(dev));
return NULL;
}
dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
if (dai == NULL)
- return -ENOMEM;
+ return -ENOMEM;
/* create DAI component name */
dai->name = fmt_single_name(dev, &dai->id);
platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
if (platform == NULL)
- return -ENOMEM;
+ return -ENOMEM;
/* create platform component name */
platform->name = fmt_single_name(dev, &platform->id);
platform->dev = dev;
platform->driver = platform_drv;
+ platform->dapm.dev = dev;
+ platform->dapm.platform = platform;
+ platform->dapm.stream_event = platform_drv->stream_event;
+ mutex_init(&platform->mutex);
mutex_lock(&client_mutex);
list_add(&platform->list, &platform_list);
codec->volatile_register = codec_drv->volatile_register;
codec->readable_register = codec_drv->readable_register;
codec->writable_register = codec_drv->writable_register;
+ codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time;
codec->dapm.bias_level = SND_SOC_BIAS_OFF;
codec->dapm.dev = dev;
codec->dapm.codec = codec;
codec->dapm.seq_notifier = codec_drv->seq_notifier;
+ codec->dapm.stream_event = codec_drv->stream_event;
codec->dev = dev;
codec->driver = codec_drv;
codec->num_dai = num_dai;
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
+/* Retrieve a card's name from device tree */
+int snd_soc_of_parse_card_name(struct snd_soc_card *card,
+ const char *propname)
+{
+ struct device_node *np = card->dev->of_node;
+ int ret;
+
+ ret = of_property_read_string_index(np, propname, 0, &card->name);
+ /*
+ * EINVAL means the property does not exist. This is fine providing
+ * card->name was previously set, which is checked later in
+ * snd_soc_register_card.
+ */
+ if (ret < 0 && ret != -EINVAL) {
+ dev_err(card->dev,
+ "Property '%s' could not be read: %d\n",
+ propname, ret);
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name);
+
+int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
+ const char *propname)
+{
+ struct device_node *np = card->dev->of_node;
+ int num_routes;
+ struct snd_soc_dapm_route *routes;
+ int i, ret;
+
+ num_routes = of_property_count_strings(np, propname);
+ if (num_routes & 1) {
+ dev_err(card->dev,
+ "Property '%s's length is not even\n",
+ propname);
+ return -EINVAL;
+ }
+ num_routes /= 2;
+ if (!num_routes) {
+ dev_err(card->dev,
+ "Property '%s's length is zero\n",
+ propname);
+ return -EINVAL;
+ }
+
+ routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes),
+ GFP_KERNEL);
+ if (!routes) {
+ dev_err(card->dev,
+ "Could not allocate DAPM route table\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < num_routes; i++) {
+ ret = of_property_read_string_index(np, propname,
+ 2 * i, &routes[i].sink);
+ if (ret) {
+ dev_err(card->dev,
+ "Property '%s' index %d could not be read: %d\n",
+ propname, 2 * i, ret);
+ return -EINVAL;
+ }
+ ret = of_property_read_string_index(np, propname,
+ (2 * i) + 1, &routes[i].source);
+ if (ret) {
+ dev_err(card->dev,
+ "Property '%s' index %d could not be read: %d\n",
+ propname, (2 * i) + 1, ret);
+ return -EINVAL;
+ }
+ }
+
+ card->num_dapm_routes = num_routes;
+ card->dapm_routes = routes;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing);
+
static int __init snd_soc_init(void)
{
#ifdef CONFIG_DEBUG_FS
snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL);
if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) {
- printk(KERN_WARNING
- "ASoC: Failed to create debugfs directory\n");
+ pr_warn("ASoC: Failed to create debugfs directory\n");
snd_soc_debugfs_root = NULL;
}
pr_warn("ASoC: Failed to create platform list debugfs file\n");
#endif
+ snd_soc_util_init();
+
return platform_driver_register(&soc_driver);
}
module_init(snd_soc_init);
static void __exit snd_soc_exit(void)
{
+ snd_soc_util_exit();
+
#ifdef CONFIG_DEBUG_FS
debugfs_remove_recursive(snd_soc_debugfs_root);
#endif
projects / linux-flexiantxendom0-3.2.10.git / blobdiff