#endif
static DEFINE_MUTEX(client_mutex);
-static LIST_HEAD(platform_list);
-static LIST_HEAD(codec_list);
static LIST_HEAD(component_list);
/*
NULL, /* terminator */
};
-/* returns the minimum number of bytes needed to represent
- * a particular given value */
-static int min_bytes_needed(unsigned long val)
-{
- int c = 0;
- int i;
-
- for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c)
- if (val & (1UL << i))
- break;
- c = (sizeof val * 8) - c;
- if (!c || (c % 8))
- c = (c + 8) / 8;
- else
- c /= 8;
- return c;
-}
-
-/* fill buf which is 'len' bytes with a formatted
- * string of the form 'reg: value\n' */
-static int format_register_str(struct snd_soc_codec *codec,
- unsigned int reg, char *buf, size_t len)
-{
- int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2;
- int regsize = codec->driver->reg_word_size * 2;
- int ret;
-
- /* +2 for ': ' and + 1 for '\n' */
- if (wordsize + regsize + 2 + 1 != len)
- return -EINVAL;
-
- sprintf(buf, "%.*x: ", wordsize, reg);
- buf += wordsize + 2;
-
- ret = snd_soc_read(codec, reg);
- if (ret < 0)
- memset(buf, 'X', regsize);
- else
- sprintf(buf, "%.*x", regsize, ret);
- buf[regsize] = '\n';
- /* no NUL-termination needed */
- return 0;
-}
-
-/* codec register dump */
-static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf,
- size_t count, loff_t pos)
-{
- int i, step = 1;
- int wordsize, regsize;
- int len;
- size_t total = 0;
- loff_t p = 0;
-
- wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2;
- regsize = codec->driver->reg_word_size * 2;
-
- len = wordsize + regsize + 2 + 1;
-
- if (!codec->driver->reg_cache_size)
- return 0;
-
- if (codec->driver->reg_cache_step)
- step = codec->driver->reg_cache_step;
-
- for (i = 0; i < codec->driver->reg_cache_size; i += step) {
- /* only support larger than PAGE_SIZE bytes debugfs
- * entries for the default case */
- if (p >= pos) {
- if (total + len >= count - 1)
- break;
- format_register_str(codec, i, buf + total, len);
- total += len;
- }
- p += len;
- }
-
- total = min(total, count - 1);
-
- return total;
-}
-
-static ssize_t codec_reg_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
-
- return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0);
-}
-
-static DEVICE_ATTR_RO(codec_reg);
-
static ssize_t pmdown_time_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
static struct attribute *soc_dev_attrs[] = {
- &dev_attr_codec_reg.attr,
&dev_attr_pmdown_time.attr,
NULL
};
};
#ifdef CONFIG_DEBUG_FS
-static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- ssize_t ret;
- struct snd_soc_codec *codec = file->private_data;
- char *buf;
-
- if (*ppos < 0 || !count)
- return -EINVAL;
-
- buf = kmalloc(count, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
-
- ret = soc_codec_reg_show(codec, buf, count, *ppos);
- if (ret >= 0) {
- if (copy_to_user(user_buf, buf, ret)) {
- kfree(buf);
- return -EFAULT;
- }
- *ppos += ret;
- }
-
- kfree(buf);
- return ret;
-}
-
-static ssize_t codec_reg_write_file(struct file *file,
- const char __user *user_buf, size_t count, loff_t *ppos)
-{
- char buf[32];
- size_t buf_size;
- char *start = buf;
- unsigned long reg, value;
- struct snd_soc_codec *codec = file->private_data;
- int ret;
-
- buf_size = min(count, (sizeof(buf)-1));
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
- buf[buf_size] = 0;
-
- while (*start == ' ')
- start++;
- reg = simple_strtoul(start, &start, 16);
- while (*start == ' ')
- start++;
- ret = kstrtoul(start, 16, &value);
- if (ret)
- return ret;
-
- /* Userspace has been fiddling around behind the kernel's back */
- add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE);
-
- snd_soc_write(codec, reg, value);
- return buf_size;
-}
-
-static const struct file_operations codec_reg_fops = {
- .open = simple_open,
- .read = codec_reg_read_file,
- .write = codec_reg_write_file,
- .llseek = default_llseek,
-};
-
static void soc_init_component_debugfs(struct snd_soc_component *component)
{
if (!component->card->debugfs_card_root)
snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component),
component->debugfs_root);
-
- if (component->init_debugfs)
- component->init_debugfs(component);
}
static void soc_cleanup_component_debugfs(struct snd_soc_component *component)
debugfs_remove_recursive(component->debugfs_root);
}
-static void soc_init_codec_debugfs(struct snd_soc_component *component)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
- struct dentry *debugfs_reg;
-
- debugfs_reg = debugfs_create_file("codec_reg", 0644,
- codec->component.debugfs_root,
- codec, &codec_reg_fops);
- if (!debugfs_reg)
- dev_warn(codec->dev,
- "ASoC: Failed to create codec register debugfs file\n");
-}
-
-static int codec_list_show(struct seq_file *m, void *v)
-{
- struct snd_soc_codec *codec;
-
- mutex_lock(&client_mutex);
-
- list_for_each_entry(codec, &codec_list, list)
- seq_printf(m, "%s\n", codec->component.name);
-
- mutex_unlock(&client_mutex);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(codec_list);
-
static int dai_list_show(struct seq_file *m, void *v)
{
struct snd_soc_component *component;
}
DEFINE_SHOW_ATTRIBUTE(dai_list);
-static int platform_list_show(struct seq_file *m, void *v)
+static int component_list_show(struct seq_file *m, void *v)
{
- struct snd_soc_platform *platform;
+ struct snd_soc_component *component;
mutex_lock(&client_mutex);
- list_for_each_entry(platform, &platform_list, list)
- seq_printf(m, "%s\n", platform->component.name);
+ list_for_each_entry(component, &component_list, list)
+ seq_printf(m, "%s\n", component->name);
mutex_unlock(&client_mutex);
return 0;
}
-DEFINE_SHOW_ATTRIBUTE(platform_list);
+DEFINE_SHOW_ATTRIBUTE(component_list);
static void soc_init_card_debugfs(struct snd_soc_card *card)
{
return;
}
- if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL,
- &codec_list_fops))
- pr_warn("ASoC: Failed to create CODEC list debugfs file\n");
-
if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL,
&dai_list_fops))
pr_warn("ASoC: Failed to create DAI list debugfs file\n");
- if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL,
- &platform_list_fops))
- pr_warn("ASoC: Failed to create platform list debugfs file\n");
+ if (!debugfs_create_file("components", 0444, snd_soc_debugfs_root, NULL,
+ &component_list_fops))
+ pr_warn("ASoC: Failed to create component list debugfs file\n");
}
static void snd_soc_debugfs_exit(void)
#else
-#define soc_init_codec_debugfs NULL
-
static inline void soc_init_component_debugfs(
struct snd_soc_component *component)
{
}
case SND_SOC_BIAS_OFF:
- if (component->suspend)
- component->suspend(component);
+ if (component->driver->suspend)
+ component->driver->suspend(component);
component->suspended = 1;
if (component->regmap)
regcache_mark_dirty(component->regmap);
list_for_each_entry(component, &card->component_dev_list, card_list) {
if (component->suspended) {
- if (component->resume)
- component->resume(component);
+ if (component->driver->resume)
+ component->driver->resume(component);
component->suspended = 0;
}
}
struct snd_soc_dai_link_component cpu_dai_component;
struct snd_soc_component *component;
struct snd_soc_dai **codec_dais;
- struct snd_soc_platform *platform;
struct device_node *platform_of_node;
const char *platform_name;
int i;
/* Single codec links expect codec and codec_dai in runtime data */
rtd->codec_dai = codec_dais[0];
- rtd->codec = rtd->codec_dai->codec;
/* if there's no platform we match on the empty platform */
platform_name = dai_link->platform_name;
snd_soc_rtdcom_add(rtd, component);
}
- /* find one from the set of registered platforms */
- list_for_each_entry(platform, &platform_list, list) {
- platform_of_node = platform->dev->of_node;
- if (!platform_of_node && platform->dev->parent->of_node)
- platform_of_node = platform->dev->parent->of_node;
-
- if (dai_link->platform_of_node) {
- if (platform_of_node != dai_link->platform_of_node)
- continue;
- } else {
- if (strcmp(platform->component.name, platform_name))
- continue;
- }
-
- rtd->platform = platform;
- }
-
soc_add_pcm_runtime(card, rtd);
return 0;
list_del(&component->card_list);
- if (component->remove)
- component->remove(component);
+ if (component->driver->remove)
+ component->driver->remove(component);
snd_soc_dapm_free(snd_soc_component_get_dapm(component));
for (i = 0; i < card->num_configs; i++) {
struct snd_soc_codec_conf *map = &card->codec_conf[i];
- if (map->of_node && component->dev->of_node != map->of_node)
+ struct device_node *component_of_node = component->dev->of_node;
+
+ if (!component_of_node && component->dev->parent)
+ component_of_node = component->dev->parent->of_node;
+
+ if (map->of_node && component_of_node != map->of_node)
continue;
if (map->dev_name && strcmp(component->name, map->dev_name))
continue;
}
}
- if (component->probe) {
- ret = component->probe(component);
+ if (component->driver->probe) {
+ ret = component->driver->probe(component);
if (ret < 0) {
dev_err(component->dev,
"ASoC: failed to probe component %d\n", ret);
}
}
-static int snd_soc_init_codec_cache(struct snd_soc_codec *codec)
-{
- int ret;
-
- if (codec->cache_init)
- return 0;
-
- ret = snd_soc_cache_init(codec);
- if (ret < 0) {
- dev_err(codec->dev,
- "ASoC: Failed to set cache compression type: %d\n",
- ret);
- return ret;
- }
- codec->cache_init = 1;
- return 0;
-}
-
/**
* snd_soc_runtime_set_dai_fmt() - Change DAI link format for a ASoC runtime
* @rtd: The runtime for which the DAI link format should be changed
/* Flip the polarity for the "CPU" end of a CODEC<->CODEC link */
/* the component which has non_legacy_dai_naming is Codec */
- if (cpu_dai->codec ||
- cpu_dai->component->driver->non_legacy_dai_naming) {
+ if (cpu_dai->component->driver->non_legacy_dai_naming) {
unsigned int inv_dai_fmt;
inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_MASTER_MASK;
static int snd_soc_instantiate_card(struct snd_soc_card *card)
{
- struct snd_soc_codec *codec;
struct snd_soc_pcm_runtime *rtd;
struct snd_soc_dai_link *dai_link;
int ret, i, order;
for (i = 0; i < card->num_links; i++)
snd_soc_add_dai_link(card, card->dai_link+i);
- /* initialize the register cache for each available codec */
- list_for_each_entry(codec, &codec_list, list) {
- if (codec->cache_init)
- continue;
- ret = snd_soc_init_codec_cache(codec);
- if (ret < 0)
- goto base_error;
- }
-
/* card bind complete so register a sound card */
ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
card->owner, 0, &card->snd_card);
}
EXPORT_SYMBOL_GPL(snd_soc_add_component_controls);
-/**
- * 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, unsigned int num_controls)
-{
- return snd_soc_add_component_controls(&codec->component, controls,
- num_controls);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
-
-/**
- * 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, unsigned int num_controls)
-{
- return snd_soc_add_component_controls(&platform->component, controls,
- num_controls);
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
-
/**
* snd_soc_add_card_controls - add an array of controls to a SoC card.
* Convenience function to add a list of controls.
}
EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
-/**
- * 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,
- int source, unsigned int freq, int dir)
-{
- if (codec->driver->set_sysclk)
- return codec->driver->set_sysclk(codec, clk_id, source,
- freq, dir);
- else
- return -ENOTSUPP;
-}
-EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk);
-
/**
* snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
* @component: COMPONENT
int snd_soc_component_set_sysclk(struct snd_soc_component *component, int clk_id,
int source, unsigned int freq, int dir)
{
- /* will be removed */
- if (component->set_sysclk)
- return component->set_sysclk(component, clk_id, source,
- freq, dir);
-
if (component->driver->set_sysclk)
return component->driver->set_sysclk(component, clk_id, source,
freq, dir);
}
EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
-/*
- * snd_soc_codec_set_pll - configure codec PLL.
- * @codec: CODEC
- * @pll_id: DAI specific PLL ID
- * @source: DAI specific source for the PLL
- * @freq_in: PLL input clock frequency in Hz
- * @freq_out: requested PLL output clock frequency in Hz
- *
- * Configures and enables PLL to generate output clock based on input clock.
- */
-int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
- unsigned int freq_in, unsigned int freq_out)
-{
- if (codec->driver->set_pll)
- return codec->driver->set_pll(codec, pll_id, source,
- freq_in, freq_out);
- else
- return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll);
-
/*
* snd_soc_component_set_pll - configure component PLL.
* @component: COMPONENT
int source, unsigned int freq_in,
unsigned int freq_out)
{
- /* will be removed */
- if (component->set_pll)
- return component->set_pll(component, pll_id, source,
- freq_in, freq_out);
-
if (component->driver->set_pll)
return component->driver->set_pll(component, pll_id, source,
freq_in, freq_out);
* parent's name.
*/
static int snd_soc_register_dais(struct snd_soc_component *component,
- struct snd_soc_dai_driver *dai_drv, size_t count,
- bool legacy_dai_naming)
+ struct snd_soc_dai_driver *dai_drv, size_t count)
{
struct device *dev = component->dev;
struct snd_soc_dai *dai;
for (i = 0; i < count; i++) {
dai = soc_add_dai(component, dai_drv + i,
- count == 1 && legacy_dai_naming);
+ count == 1 && !component->driver->non_legacy_dai_naming);
if (dai == NULL) {
ret = -ENOMEM;
goto err;
return component->driver->stream_event(component, event);
}
-static int snd_soc_component_drv_pcm_new(struct snd_soc_component *component,
- struct snd_soc_pcm_runtime *rtd)
-{
- if (component->driver->pcm_new)
- return component->driver->pcm_new(rtd);
-
- return 0;
-}
-
-static void snd_soc_component_drv_pcm_free(struct snd_soc_component *component,
- struct snd_pcm *pcm)
-{
- if (component->driver->pcm_free)
- component->driver->pcm_free(pcm);
-}
-
static int snd_soc_component_set_bias_level(struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
component->dev = dev;
component->driver = driver;
- component->probe = component->driver->probe;
- component->remove = component->driver->remove;
- component->suspend = component->driver->suspend;
- component->resume = component->driver->resume;
- component->set_sysclk = component->driver->set_sysclk;
- component->set_pll = component->driver->set_pll;
- component->set_jack = component->driver->set_jack;
- component->pcm_new = snd_soc_component_drv_pcm_new;
- component->pcm_free = snd_soc_component_drv_pcm_free;
dapm = snd_soc_component_get_dapm(component);
dapm->dev = dev;
#endif
-static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
+static void snd_soc_component_add(struct snd_soc_component *component)
{
- if (!component->write && !component->read) {
+ mutex_lock(&client_mutex);
+
+ if (!component->driver->write && !component->driver->read) {
if (!component->regmap)
component->regmap = dev_get_regmap(component->dev, NULL);
if (component->regmap)
list_add(&component->list, &component_list);
INIT_LIST_HEAD(&component->dobj_list);
-}
-static void snd_soc_component_add(struct snd_soc_component *component)
-{
- mutex_lock(&client_mutex);
- snd_soc_component_add_unlocked(component);
mutex_unlock(&client_mutex);
}
if (ret)
goto err_free;
- component->ignore_pmdown_time = true;
- component->registered_as_component = true;
-
if (component_driver->endianness) {
for (i = 0; i < num_dai; i++) {
convert_endianness_formats(&dai_drv[i].playback);
}
}
- ret = snd_soc_register_dais(component, dai_drv, num_dai,
- !component_driver->non_legacy_dai_naming);
+ ret = snd_soc_register_dais(component, dai_drv, num_dai);
if (ret < 0) {
dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret);
goto err_cleanup;
mutex_lock(&client_mutex);
list_for_each_entry(component, &component_list, list) {
- if (dev != component->dev ||
- !component->registered_as_component)
+ if (dev != component->dev)
continue;
snd_soc_tplg_component_remove(component, SND_SOC_TPLG_INDEX_ALL);
}
EXPORT_SYMBOL_GPL(snd_soc_lookup_component);
-static int snd_soc_platform_drv_probe(struct snd_soc_component *component)
-{
- struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
- return platform->driver->probe(platform);
-}
-
-static void snd_soc_platform_drv_remove(struct snd_soc_component *component)
-{
- struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
- platform->driver->remove(platform);
-}
-
-static int snd_soc_platform_drv_pcm_new(struct snd_soc_component *component,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
- if (platform->driver->pcm_new)
- return platform->driver->pcm_new(rtd);
-
- return 0;
-}
-
-static void snd_soc_platform_drv_pcm_free(struct snd_soc_component *component,
- struct snd_pcm *pcm)
-{
- struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
-
- if (platform->driver->pcm_free)
- platform->driver->pcm_free(pcm);
-}
-
-/**
- * snd_soc_add_platform - Add a platform to the ASoC core
- * @dev: The parent device for the platform
- * @platform: The platform to add
- * @platform_drv: The driver for the platform
- */
-int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
- const struct snd_soc_platform_driver *platform_drv)
-{
- int ret;
-
- ret = snd_soc_component_initialize(&platform->component,
- &platform_drv->component_driver, dev);
- if (ret)
- return ret;
-
- platform->dev = dev;
- platform->driver = platform_drv;
-
- if (platform_drv->probe)
- platform->component.probe = snd_soc_platform_drv_probe;
- if (platform_drv->remove)
- platform->component.remove = snd_soc_platform_drv_remove;
- if (platform_drv->pcm_new)
- platform->component.pcm_new = snd_soc_platform_drv_pcm_new;
- if (platform_drv->pcm_free)
- platform->component.pcm_free = snd_soc_platform_drv_pcm_free;
-
-#ifdef CONFIG_DEBUG_FS
- platform->component.debugfs_prefix = "platform";
-#endif
-
- mutex_lock(&client_mutex);
- snd_soc_component_add_unlocked(&platform->component);
- list_add(&platform->list, &platform_list);
- mutex_unlock(&client_mutex);
-
- dev_dbg(dev, "ASoC: Registered platform '%s'\n",
- platform->component.name);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_add_platform);
-
-/**
- * snd_soc_register_platform - Register a platform with the ASoC core
- *
- * @dev: The device for the platform
- * @platform_drv: The driver for the platform
- */
-int snd_soc_register_platform(struct device *dev,
- const struct snd_soc_platform_driver *platform_drv)
-{
- struct snd_soc_platform *platform;
- int ret;
-
- dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
-
- platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
- if (platform == NULL)
- return -ENOMEM;
-
- ret = snd_soc_add_platform(dev, platform, platform_drv);
- if (ret)
- kfree(platform);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_register_platform);
-
-/**
- * snd_soc_remove_platform - Remove a platform from the ASoC core
- * @platform: the platform to remove
- */
-void snd_soc_remove_platform(struct snd_soc_platform *platform)
-{
-
- mutex_lock(&client_mutex);
- list_del(&platform->list);
- snd_soc_component_del_unlocked(&platform->component);
- mutex_unlock(&client_mutex);
-
- dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
- platform->component.name);
-
- snd_soc_component_cleanup(&platform->component);
-}
-EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
-
-struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev)
-{
- struct snd_soc_platform *platform;
-
- mutex_lock(&client_mutex);
- list_for_each_entry(platform, &platform_list, list) {
- if (dev == platform->dev) {
- mutex_unlock(&client_mutex);
- return platform;
- }
- }
- mutex_unlock(&client_mutex);
-
- return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_lookup_platform);
-
-/**
- * snd_soc_unregister_platform - Unregister a platform from the ASoC core
- *
- * @dev: platform to unregister
- */
-void snd_soc_unregister_platform(struct device *dev)
-{
- struct snd_soc_platform *platform;
-
- platform = snd_soc_lookup_platform(dev);
- if (!platform)
- return;
-
- snd_soc_remove_platform(platform);
- kfree(platform);
-}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
-
-static int snd_soc_codec_drv_probe(struct snd_soc_component *component)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- return codec->driver->probe(codec);
-}
-
-static void snd_soc_codec_drv_remove(struct snd_soc_component *component)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- codec->driver->remove(codec);
-}
-
-static int snd_soc_codec_drv_suspend(struct snd_soc_component *component)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- return codec->driver->suspend(codec);
-}
-
-static int snd_soc_codec_drv_resume(struct snd_soc_component *component)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- return codec->driver->resume(codec);
-}
-
-static int snd_soc_codec_drv_write(struct snd_soc_component *component,
- unsigned int reg, unsigned int val)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- return codec->driver->write(codec, reg, val);
-}
-
-static int snd_soc_codec_drv_read(struct snd_soc_component *component,
- unsigned int reg, unsigned int *val)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- *val = codec->driver->read(codec, reg);
-
- return 0;
-}
-
-static int snd_soc_codec_set_sysclk_(struct snd_soc_component *component,
- int clk_id, int source, unsigned int freq, int dir)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- return snd_soc_codec_set_sysclk(codec, clk_id, source, freq, dir);
-}
-
-static int snd_soc_codec_set_pll_(struct snd_soc_component *component,
- int pll_id, int source, unsigned int freq_in,
- unsigned int freq_out)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- return snd_soc_codec_set_pll(codec, pll_id, source, freq_in, freq_out);
-}
-
-static int snd_soc_codec_set_jack_(struct snd_soc_component *component,
- struct snd_soc_jack *jack, void *data)
-{
- struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
-
- return snd_soc_codec_set_jack(codec, jack, data);
-}
-
-static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm,
- enum snd_soc_bias_level level)
-{
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
-
- return codec->driver->set_bias_level(codec, level);
-}
-
-/**
- * snd_soc_register_codec - Register a codec with the ASoC core
- *
- * @dev: The parent device for this codec
- * @codec_drv: Codec driver
- * @dai_drv: The associated DAI driver
- * @num_dai: Number of DAIs
- */
-int snd_soc_register_codec(struct device *dev,
- const struct snd_soc_codec_driver *codec_drv,
- struct snd_soc_dai_driver *dai_drv,
- int num_dai)
-{
- struct snd_soc_dapm_context *dapm;
- struct snd_soc_codec *codec;
- struct snd_soc_dai *dai;
- int ret, i;
-
- dev_dbg(dev, "codec register %s\n", dev_name(dev));
-
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
- return -ENOMEM;
-
- codec->component.codec = codec;
-
- ret = snd_soc_component_initialize(&codec->component,
- &codec_drv->component_driver, dev);
- if (ret)
- goto err_free;
-
- if (codec_drv->probe)
- codec->component.probe = snd_soc_codec_drv_probe;
- if (codec_drv->remove)
- codec->component.remove = snd_soc_codec_drv_remove;
- if (codec_drv->suspend)
- codec->component.suspend = snd_soc_codec_drv_suspend;
- if (codec_drv->resume)
- codec->component.resume = snd_soc_codec_drv_resume;
- if (codec_drv->write)
- codec->component.write = snd_soc_codec_drv_write;
- if (codec_drv->read)
- codec->component.read = snd_soc_codec_drv_read;
- if (codec_drv->set_sysclk)
- codec->component.set_sysclk = snd_soc_codec_set_sysclk_;
- if (codec_drv->set_pll)
- codec->component.set_pll = snd_soc_codec_set_pll_;
- if (codec_drv->set_jack)
- codec->component.set_jack = snd_soc_codec_set_jack_;
- codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time;
-
- dapm = snd_soc_codec_get_dapm(codec);
- dapm->idle_bias_off = codec_drv->idle_bias_off;
- dapm->suspend_bias_off = codec_drv->suspend_bias_off;
- if (codec_drv->seq_notifier)
- dapm->seq_notifier = codec_drv->seq_notifier;
- if (codec_drv->set_bias_level)
- dapm->set_bias_level = snd_soc_codec_set_bias_level;
- codec->dev = dev;
- codec->driver = codec_drv;
- codec->component.val_bytes = codec_drv->reg_word_size;
-
-#ifdef CONFIG_DEBUG_FS
- codec->component.init_debugfs = soc_init_codec_debugfs;
- codec->component.debugfs_prefix = "codec";
-#endif
-
- if (codec_drv->get_regmap)
- codec->component.regmap = codec_drv->get_regmap(dev);
-
- for (i = 0; i < num_dai; i++) {
- convert_endianness_formats(&dai_drv[i].playback);
- convert_endianness_formats(&dai_drv[i].capture);
- }
-
- ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false);
- if (ret < 0) {
- dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret);
- goto err_cleanup;
- }
-
- list_for_each_entry(dai, &codec->component.dai_list, list)
- dai->codec = codec;
-
- mutex_lock(&client_mutex);
- snd_soc_component_add_unlocked(&codec->component);
- list_add(&codec->list, &codec_list);
- mutex_unlock(&client_mutex);
-
- dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n",
- codec->component.name);
- return 0;
-
-err_cleanup:
- snd_soc_component_cleanup(&codec->component);
-err_free:
- kfree(codec);
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_soc_register_codec);
-
-/**
- * snd_soc_unregister_codec - Unregister a codec from the ASoC core
- *
- * @dev: codec to unregister
- */
-void snd_soc_unregister_codec(struct device *dev)
-{
- struct snd_soc_codec *codec;
-
- mutex_lock(&client_mutex);
- list_for_each_entry(codec, &codec_list, list) {
- if (dev == codec->dev)
- goto found;
- }
- mutex_unlock(&client_mutex);
- return;
-
-found:
- list_del(&codec->list);
- snd_soc_component_del_unlocked(&codec->component);
- mutex_unlock(&client_mutex);
-
- dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n",
- codec->component.name);
-
- snd_soc_component_cleanup(&codec->component);
- snd_soc_cache_exit(codec);
- kfree(codec);
-}
-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)
projects / linux.git / blobdiff