struct snd_soc_pcm_runtime;
struct snd_soc_dai;
struct snd_soc_dai_driver;
-struct snd_soc_platform;
struct snd_soc_dai_link;
-struct snd_soc_platform_driver;
struct snd_soc_codec;
struct snd_soc_codec_driver;
struct snd_soc_component;
}
#endif
int snd_soc_poweroff(struct device *dev);
-int snd_soc_register_platform(struct device *dev,
- const struct snd_soc_platform_driver *platform_drv);
-int devm_snd_soc_register_platform(struct device *dev,
- const struct snd_soc_platform_driver *platform_drv);
-void snd_soc_unregister_platform(struct device *dev);
-int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
- const struct snd_soc_platform_driver *platform_drv);
-void snd_soc_remove_platform(struct snd_soc_platform *platform);
-struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev);
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);
int snd_soc_cache_init(struct snd_soc_codec *codec);
int snd_soc_cache_exit(struct snd_soc_codec *codec);
-int snd_soc_platform_read(struct snd_soc_platform *platform,
- unsigned int reg);
-int snd_soc_platform_write(struct snd_soc_platform *platform,
- unsigned int reg, unsigned int val);
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
#ifdef CONFIG_SND_SOC_COMPRESS
int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
const struct snd_kcontrol_new *controls, unsigned int num_controls);
int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
const struct snd_kcontrol_new *controls, unsigned int num_controls);
-int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
- const struct snd_kcontrol_new *controls, unsigned int num_controls);
int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
const struct snd_kcontrol_new *controls, int num_controls);
int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */
};
-/* SoC platform interface */
-struct snd_soc_platform_driver {
-
- int (*probe)(struct snd_soc_platform *);
- int (*remove)(struct snd_soc_platform *);
- struct snd_soc_component_driver component_driver;
-
- /* pcm creation and destruction */
- int (*pcm_new)(struct snd_soc_pcm_runtime *);
- void (*pcm_free)(struct snd_pcm *);
-
- /* platform stream pcm ops */
- const struct snd_pcm_ops *ops;
-
- /* platform stream compress ops */
- const struct snd_compr_ops *compr_ops;
-};
-
struct snd_soc_dai_link_component {
const char *name;
struct device_node *of_node;
const char *dai_name;
};
-struct snd_soc_platform {
- struct device *dev;
- const struct snd_soc_platform_driver *driver;
-
- struct list_head list;
-
- struct snd_soc_component component;
-};
-
struct snd_soc_dai_link {
/* config - must be set by machine driver */
const char *name; /* Codec name */
struct snd_pcm *pcm;
struct snd_compr *compr;
struct snd_soc_codec *codec;
- struct snd_soc_platform *platform; /* will be removed */
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai;
return container_of(component, struct snd_soc_codec, component);
}
-/**
- * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in
- * @component: The component to cast to a platform
- *
- * This function must only be used on components that are known to be platforms.
- * Otherwise the behavior is undefined.
- */
-static inline struct snd_soc_platform *snd_soc_component_to_platform(
- struct snd_soc_component *component)
-{
- return container_of(component, struct snd_soc_platform, component);
-}
-
/**
* snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
* embedded in
return snd_soc_component_to_codec(snd_soc_dapm_to_component(dapm));
}
-/**
- * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is
- * embedded in
- * @dapm: The DAPM context to cast to the platform.
- *
- * This function must only be used on DAPM contexts that are known to be part of
- * a platform (e.g. in a platform driver). Otherwise the behavior is undefined.
- */
-static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
- struct snd_soc_dapm_context *dapm)
-{
- return snd_soc_component_to_platform(snd_soc_dapm_to_component(dapm));
-}
-
/**
* snd_soc_component_get_dapm() - Returns the DAPM context associated with a
* component
return snd_soc_component_get_drvdata(&codec->component);
}
-static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
- void *data)
-{
- snd_soc_component_set_drvdata(&platform->component, data);
-}
-
-static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
-{
- return snd_soc_component_get_drvdata(&platform->component);
-}
-
static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
{
INIT_LIST_HEAD(&card->widgets);
* @kcontrol: The control for which to get the component
*
* Note: This function will work correctly if the control has been registered
- * for a component. Either with snd_soc_add_codec_controls() or
- * snd_soc_add_platform_controls() or via table based setup for either a
- * CODEC, a platform or component driver. Otherwise the behavior is undefined.
+ * for a component. With snd_soc_add_codec_controls() or via table based
+ * setup for either a CODEC or component driver. Otherwise the behavior is
+ * undefined.
*/
static inline struct snd_soc_component *snd_soc_kcontrol_component(
struct snd_kcontrol *kcontrol)
return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol));
}
-/**
- * snd_soc_kcontrol_platform() - Returns the platform that registered the control
- * @kcontrol: The control for which to get the platform
- *
- * Note: This function will only work correctly if the control has been
- * registered with snd_soc_add_platform_controls() or via table based setup of
- * a snd_soc_platform_driver. Otherwise the behavior is undefined.
- */
-static inline struct snd_soc_platform *snd_soc_kcontrol_platform(
- struct snd_kcontrol *kcontrol)
-{
- return snd_soc_component_to_platform(snd_soc_kcontrol_component(kcontrol));
-}
-
int snd_soc_util_init(void);
void snd_soc_util_exit(void);
static int soc_compr_open(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
}
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->open) {
- ret = platform->driver->compr_ops->open(cstream);
- if (ret < 0) {
- dev_err(platform->dev,
- "Compress ASoC: can't open platform %s: %d\n",
- platform->component.name, ret);
- goto plat_err;
- }
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->open)
continue;
if (err_comp == component)
break;
- /* ignore duplication for now */
- if (platform && (err_comp == &platform->component))
- continue;
-
if (!err_comp->driver->compr_ops ||
!err_comp->driver->compr_ops->free)
continue;
err_comp->driver->compr_ops->free(cstream);
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
- platform->driver->compr_ops->free(cstream);
-plat_err:
if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
out:
struct snd_soc_pcm_runtime *fe = cstream->private_data;
struct snd_pcm_substream *fe_substream =
fe->pcm->streams[cstream->direction].substream;
- struct snd_soc_platform *platform = fe->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
}
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->open) {
- ret = platform->driver->compr_ops->open(cstream);
- if (ret < 0) {
- dev_err(platform->dev,
- "Compress ASoC: can't open platform %s: %d\n",
- platform->component.name, ret);
- goto plat_err;
- }
- }
-
for_each_rtdcom(fe, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->open)
continue;
if (err_comp == component)
break;
- /* ignore duplication for now */
- if (platform && (err_comp == &platform->component))
- continue;
-
if (!err_comp->driver->compr_ops ||
!err_comp->driver->compr_ops->free)
continue;
err_comp->driver->compr_ops->free(cstream);
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
- platform->driver->compr_ops->free(cstream);
-plat_err:
if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
out:
static int soc_compr_free(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->free)
continue;
component->driver->compr_ops->free(cstream);
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
- platform->driver->compr_ops->free(cstream);
-
if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
static int soc_compr_free_fe(struct snd_compr_stream *cstream)
{
struct snd_soc_pcm_runtime *fe = cstream->private_data;
- struct snd_soc_platform *platform = fe->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
fe->dai_link->compr_ops->shutdown(cstream);
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->free)
- platform->driver->compr_ops->free(cstream);
-
for_each_rtdcom(fe, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->free)
continue;
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
- ret = platform->driver->compr_ops->trigger(cstream, cmd);
- if (ret < 0)
- goto out;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->trigger)
continue;
static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
{
struct snd_soc_pcm_runtime *fe = cstream->private_data;
- struct snd_soc_platform *platform = fe->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
cmd == SND_COMPR_TRIGGER_DRAIN) {
- if (platform &&
- platform->driver->compr_ops &&
- platform->driver->compr_ops->trigger)
- return platform->driver->compr_ops->trigger(cstream,
- cmd);
-
for_each_rtdcom(fe, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->trigger)
continue;
goto out;
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
- ret = platform->driver->compr_ops->trigger(cstream, cmd);
- if (ret < 0)
- goto out;
- }
-
for_each_rtdcom(fe, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->trigger)
continue;
struct snd_compr_params *params)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- /* first we call set_params for the platform driver
- * this should configure the soc side
- * if the machine has compressed ops then we call that as well
- * expectation is that platform and machine will configure everything
- * for this compress path, like configuring pcm port for codec
+ /*
+ * First we call set_params for the CPU DAI, then the component
+ * driver this should configure the SoC side. If the machine has
+ * compressed ops then we call that as well. The expectation is
+ * that these callbacks will configure everything for this compress
+ * path, like configuring a PCM port for a CODEC.
*/
if (cpu_dai->driver->cops && cpu_dai->driver->cops->set_params) {
ret = cpu_dai->driver->cops->set_params(cstream, params, cpu_dai);
goto err;
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
- ret = platform->driver->compr_ops->set_params(cstream, params);
- if (ret < 0)
- goto err;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->set_params)
continue;
struct snd_soc_pcm_runtime *fe = cstream->private_data;
struct snd_pcm_substream *fe_substream =
fe->pcm->streams[cstream->direction].substream;
- struct snd_soc_platform *platform = fe->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = fe->cpu_dai;
goto out;
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
- ret = platform->driver->compr_ops->set_params(cstream, params);
- if (ret < 0)
- goto out;
- }
-
for_each_rtdcom(fe, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->set_params)
continue;
struct snd_codec *params)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
goto err;
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_params) {
- ret = platform->driver->compr_ops->get_params(cstream, params);
- if (ret < 0)
- goto err;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->get_params)
continue;
struct snd_compr_caps *caps)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
int ret = 0, __ret;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_caps) {
- ret = platform->driver->compr_ops->get_caps(cstream, caps);
- if (ret < 0)
- goto err;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->get_caps)
continue;
ret = __ret;
}
-err:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
struct snd_compr_codec_caps *codec)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
int ret = 0, __ret;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps) {
- ret = platform->driver->compr_ops->get_codec_caps(cstream, codec);
- if (ret < 0)
- goto err;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->get_codec_caps)
continue;
ret = __ret;
}
-err:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
goto err;
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->ack) {
- ret = platform->driver->compr_ops->ack(cstream, bytes);
- if (ret < 0)
- goto err;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->ack)
continue;
struct snd_compr_tstamp *tstamp)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
int ret = 0, __ret;
if (cpu_dai->driver->cops && cpu_dai->driver->cops->pointer)
cpu_dai->driver->cops->pointer(cstream, tstamp, cpu_dai);
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->pointer) {
- ret = platform->driver->compr_ops->pointer(cstream, tstamp);
- if (ret < 0)
- goto err;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->pointer)
continue;
ret = __ret;
}
-err:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
char __user *buf, size_t count)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
int ret = 0;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->copy) {
- ret = platform->driver->compr_ops->copy(cstream, buf, count);
- if (ret < 0)
- goto err;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->copy)
continue;
break;
}
-err:
mutex_unlock(&rtd->pcm_mutex);
return ret;
}
struct snd_compr_metadata *metadata)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
return ret;
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->set_metadata) {
- ret = platform->driver->compr_ops->set_metadata(cstream, metadata);
- if (ret < 0)
- return ret;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->set_metadata)
continue;
struct snd_compr_metadata *metadata)
{
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
return ret;
}
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->get_metadata) {
- ret = platform->driver->compr_ops->get_metadata(cstream, metadata);
- if (ret < 0)
- return ret;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->get_metadata)
continue;
*/
int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
{
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops));
}
-
- /* Add copy callback for not memory mapped DSPs */
- if (platform && platform->driver->compr_ops && platform->driver->compr_ops->copy)
- compr->ops->copy = soc_compr_copy;
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->compr_ops ||
!component->driver->compr_ops->copy)
continue;
#endif
static DEFINE_MUTEX(client_mutex);
-static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
static LIST_HEAD(component_list);
}
DEFINE_SHOW_ATTRIBUTE(dai_list);
-static int platform_list_show(struct seq_file *m, void *v)
-{
- struct snd_soc_platform *platform;
-
- mutex_lock(&client_mutex);
-
- list_for_each_entry(platform, &platform_list, list)
- seq_printf(m, "%s\n", platform->component.name);
-
- mutex_unlock(&client_mutex);
-
- return 0;
-}
-DEFINE_SHOW_ATTRIBUTE(platform_list);
-
static void soc_init_card_debugfs(struct snd_soc_card *card)
{
if (!snd_soc_debugfs_root)
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");
}
static void snd_soc_debugfs_exit(void)
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;
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;
}
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_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);
}
EXPORT_SYMBOL_GPL(devm_snd_soc_register_component);
-static void devm_platform_release(struct device *dev, void *res)
-{
- snd_soc_unregister_platform(*(struct device **)res);
-}
-
-/**
- * devm_snd_soc_register_platform - resource managed platform registration
- * @dev: Device used to manage platform
- * @platform_drv: platform to register
- *
- * Register a platform driver with automatic unregistration when the device is
- * unregistered.
- */
-int devm_snd_soc_register_platform(struct device *dev,
- const struct snd_soc_platform_driver *platform_drv)
-{
- struct device **ptr;
- int ret;
-
- ptr = devres_alloc(devm_platform_release, sizeof(*ptr), GFP_KERNEL);
- if (!ptr)
- return -ENOMEM;
-
- ret = snd_soc_register_platform(dev, platform_drv);
- if (ret == 0) {
- *ptr = dev;
- devres_add(dev, ptr);
- } else {
- devres_free(ptr);
- }
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(devm_snd_soc_register_platform);
-
static void devm_card_release(struct device *dev, void *res)
{
snd_soc_unregister_card(*(struct snd_soc_card **)res);
return snd_soc_component_test_bits(&codec->component, reg, mask, value);
}
EXPORT_SYMBOL_GPL(snd_soc_test_bits);
-
-int snd_soc_platform_read(struct snd_soc_platform *platform,
- unsigned int reg)
-{
- unsigned int val;
- int ret;
-
- ret = snd_soc_component_read(&platform->component, reg, &val);
- if (ret < 0)
- return -1;
-
- return val;
-}
-EXPORT_SYMBOL_GPL(snd_soc_platform_read);
-
-int snd_soc_platform_write(struct snd_soc_platform *platform,
- unsigned int reg, unsigned int val)
-{
- return snd_soc_component_write(&platform->component, reg, val);
-}
-EXPORT_SYMBOL_GPL(snd_soc_platform_write);
/*
* 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.
+ * startup for the cpu DAI, component, 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_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
}
}
- if (platform && platform->driver->ops && platform->driver->ops->open) {
- ret = platform->driver->ops->open(substream);
- if (ret < 0) {
- dev_err(platform->dev, "ASoC: can't open platform"
- " %s: %d\n", platform->component.name, ret);
- goto platform_err;
- }
- }
-
ret = 0;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->open)
continue;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->close)
continue;
component->driver->ops->close(substream);
}
- if (platform && platform->driver->ops && 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:
/*
* 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
+ * freed here. The cpu DAI, codec DAI, machine and components are also
* shutdown.
*/
static int soc_pcm_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_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
if (rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
- if (platform && platform->driver->ops && platform->driver->ops->close)
- platform->driver->ops->close(substream);
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->close)
continue;
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_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
}
}
- if (platform && platform->driver->ops && platform->driver->ops->prepare) {
- ret = platform->driver->ops->prepare(substream);
- if (ret < 0) {
- dev_err(platform->dev, "ASoC: platform prepare error:"
- " %d\n", ret);
- goto out;
- }
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->prepare)
continue;
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_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
if (ret < 0)
goto interface_err;
- if (platform && platform->driver->ops && platform->driver->ops->hw_params) {
- ret = platform->driver->ops->hw_params(substream, params);
- if (ret < 0) {
- dev_err(platform->dev, "ASoC: %s hw params failed: %d\n",
- platform->component.name, ret);
- goto platform_err;
- }
- }
-
ret = 0;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->hw_params)
continue;
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->hw_free)
continue;
component->driver->ops->hw_free(substream);
}
- if (platform && platform->driver->ops && platform->driver->ops->hw_free)
- platform->driver->ops->hw_free(substream);
-
-platform_err:
if (cpu_dai->driver->ops->hw_free)
cpu_dai->driver->ops->hw_free(substream, cpu_dai);
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_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
if (rtd->dai_link->ops->hw_free)
rtd->dai_link->ops->hw_free(substream);
- /* free any DMA resources */
- if (platform && platform->driver->ops && platform->driver->ops->hw_free)
- platform->driver->ops->hw_free(substream);
-
/* free any component resources */
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->hw_free)
continue;
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_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
}
}
- if (platform && platform->driver->ops && platform->driver->ops->trigger) {
- ret = platform->driver->ops->trigger(substream, cmd);
- if (ret < 0)
- return ret;
- }
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->trigger)
continue;
}
/*
* soc level wrapper for pointer callback
- * If cpu_dai, codec_dai, platform driver has the delay callback, than
+ * If cpu_dai, codec_dai, component driver has the delay callback, then
* 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_component *component;
struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
snd_pcm_sframes_t codec_delay = 0;
int i;
- if (platform && platform->driver->ops && platform->driver->ops->pointer)
- offset = platform->driver->ops->pointer(substream);
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->pointer)
continue;
unsigned int cmd, void *arg)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
- if (platform && platform->driver->ops && platform->driver->ops->ioctl)
- return platform->driver->ops->ioctl(substream, cmd, arg);
-
for_each_rtdcom(rtd, rtdcom) {
component = rtdcom->component;
- /* ignore duplication for now */
- if (platform && (component == &platform->component))
- continue;
-
if (!component->driver->ops ||
!component->driver->ops->ioctl)
continue;
/* create a new pcm */
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
{
- struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_component *component;
rtd->ops.mmap = soc_rtdcom_mmap;
}
- /* overwrite */
- if (platform && platform->driver->ops) {
- rtd->ops.ack = platform->driver->ops->ack;
- rtd->ops.copy_user = platform->driver->ops->copy_user;
- rtd->ops.copy_kernel = platform->driver->ops->copy_kernel;
- rtd->ops.fill_silence = platform->driver->ops->fill_silence;
- rtd->ops.page = platform->driver->ops->page;
- rtd->ops.mmap = platform->driver->ops->mmap;
- }
-
if (playback)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &rtd->ops);
projects / openwrt / staging / blogic.git / commitdiff