summaryrefslogtreecommitdiffstats
path: root/include/sound/soc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/sound/soc.h')
-rw-r--r--include/sound/soc.h236
1 files changed, 143 insertions, 93 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 65e9d03..d31e8b7 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -228,13 +228,17 @@ struct snd_soc_ops;
struct snd_soc_dai_mode;
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 soc_enum;
struct snd_soc_ac97_ops;
struct snd_soc_jack;
struct snd_soc_jack_pin;
+
#ifdef CONFIG_GPIOLIB
struct snd_soc_jack_gpio;
#endif
@@ -249,19 +253,18 @@ enum snd_soc_control_type {
SND_SOC_SPI,
};
-int snd_soc_register_platform(struct snd_soc_platform *platform);
-void snd_soc_unregister_platform(struct snd_soc_platform *platform);
-int snd_soc_register_codec(struct snd_soc_codec *codec);
-void snd_soc_unregister_codec(struct snd_soc_codec *codec);
+int snd_soc_register_platform(struct device *dev,
+ struct snd_soc_platform_driver *platform_drv);
+void snd_soc_unregister_platform(struct device *dev);
+int snd_soc_register_codec(struct device *dev,
+ struct snd_soc_codec_driver *codec_drv,
+ struct snd_soc_dai_driver *dai_drv, int num_dai);
+void snd_soc_unregister_codec(struct device *dev);
int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg);
int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
int addr_bits, int data_bits,
enum snd_soc_control_type control);
-/* pcm <-> DAI connect */
-void snd_soc_free_pcms(struct snd_soc_device *socdev);
-int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
-
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
@@ -273,7 +276,7 @@ int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
const struct snd_pcm_hardware *hw);
/* Jack reporting */
-int snd_soc_jack_new(struct snd_soc_card *card, const char *id, int type,
+int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type,
struct snd_soc_jack *jack);
void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
@@ -390,7 +393,7 @@ struct snd_soc_jack_gpio {
struct snd_soc_jack {
struct snd_jack *jack;
- struct snd_soc_card *card;
+ struct snd_soc_codec *codec;
struct list_head pins;
int status;
struct blocking_notifier_head notifier;
@@ -398,15 +401,13 @@ struct snd_soc_jack {
/* SoC PCM stream information */
struct snd_soc_pcm_stream {
- char *stream_name;
+ const char *stream_name;
u64 formats; /* SNDRV_PCM_FMTBIT_* */
unsigned int rates; /* SNDRV_PCM_RATE_* */
unsigned int rate_min; /* min rate */
unsigned int rate_max; /* max rate */
unsigned int channels_min; /* min channels */
unsigned int channels_max; /* max channels */
- unsigned int active; /* stream is in use */
- void *dma_data; /* used by platform code */
};
/* SoC audio ops */
@@ -419,44 +420,35 @@ struct snd_soc_ops {
int (*trigger)(struct snd_pcm_substream *, int);
};
-/* SoC Audio Codec */
+/* SoC Audio Codec device */
struct snd_soc_codec {
- char *name;
- struct module *owner;
- struct mutex mutex;
+ const char *name;
+ int id;
struct device *dev;
- struct snd_soc_device *socdev;
+ struct snd_soc_codec_driver *driver;
+ struct mutex mutex;
+ struct snd_soc_card *card;
struct list_head list;
-
- /* callbacks */
- int (*set_bias_level)(struct snd_soc_codec *,
- enum snd_soc_bias_level level);
+ struct list_head card_list;
+ int num_dai;
/* runtime */
- struct snd_card *card;
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
unsigned int active;
- unsigned int pcm_devs;
- void *drvdata;
+ unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
+ unsigned int cache_only:1; /* Suppress writes to hardware */
+ unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
+ unsigned int suspended:1; /* Codec is in suspend PM state */
+ unsigned int probed:1; /* Codec has been probed */
+ unsigned int ac97_registered:1; /* Codec has been AC97 registered */
+ unsigned int sysfs_registered:1; /* codec has been sysfs registered */
/* codec IO */
void *control_data; /* codec control (i2c/3wire) data */
- unsigned int (*read)(struct snd_soc_codec *, unsigned int);
- int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
- int (*display_register)(struct snd_soc_codec *, char *,
- size_t, unsigned int);
- int (*volatile_register)(unsigned int);
- int (*readable_register)(unsigned int);
hw_write_t hw_write;
unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
void *reg_cache;
- short reg_cache_size;
- short reg_cache_step;
-
- unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
- unsigned int cache_only:1; /* Suppress writes to hardware */
- unsigned int cache_sync:1; /* Cache needs to be synced to hardware */
/* dapm */
u32 pop_time;
@@ -466,10 +458,6 @@ struct snd_soc_codec {
enum snd_soc_bias_level suspend_bias_level;
struct delayed_work delayed_work;
- /* codec DAI's */
- struct snd_soc_dai *dai;
- unsigned int num_dai;
-
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_codec_root;
struct dentry *debugfs_reg;
@@ -478,23 +466,40 @@ struct snd_soc_codec {
#endif
};
-/* codec device */
-struct snd_soc_codec_device {
- int (*probe)(struct platform_device *pdev);
- int (*remove)(struct platform_device *pdev);
- int (*suspend)(struct platform_device *pdev, pm_message_t state);
- int (*resume)(struct platform_device *pdev);
+/* codec driver */
+struct snd_soc_codec_driver {
+
+ /* driver ops */
+ int (*probe)(struct snd_soc_codec *);
+ int (*remove)(struct snd_soc_codec *);
+ int (*suspend)(struct snd_soc_codec *,
+ pm_message_t state);
+ int (*resume)(struct snd_soc_codec *);
+
+ /* codec IO */
+ unsigned int (*read)(struct snd_soc_codec *, unsigned int);
+ int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
+ int (*display_register)(struct snd_soc_codec *, char *,
+ size_t, unsigned int);
+ int (*volatile_register)(unsigned int);
+ int (*readable_register)(unsigned int);
+ short reg_cache_size;
+ short reg_cache_step;
+ short reg_word_size;
+ const void *reg_cache_default;
+
+ /* codec bias level */
+ int (*set_bias_level)(struct snd_soc_codec *,
+ enum snd_soc_bias_level level);
};
/* SoC platform interface */
-struct snd_soc_platform {
- char *name;
- struct list_head list;
+struct snd_soc_platform_driver {
- int (*probe)(struct platform_device *pdev);
- int (*remove)(struct platform_device *pdev);
- int (*suspend)(struct snd_soc_dai_link *dai_link);
- int (*resume)(struct snd_soc_dai_link *dai_link);
+ int (*probe)(struct snd_soc_platform *);
+ int (*remove)(struct snd_soc_platform *);
+ int (*suspend)(struct snd_soc_dai *dai);
+ int (*resume)(struct snd_soc_dai *dai);
/* pcm creation and destruction */
int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
@@ -509,23 +514,31 @@ struct snd_soc_platform {
struct snd_soc_dai *);
/* platform stream ops */
- struct snd_pcm_ops *pcm_ops;
+ struct snd_pcm_ops *ops;
};
-/* SoC machine DAI configuration, glues a codec and cpu DAI together */
-struct snd_soc_dai_link {
- char *name; /* Codec name */
- char *stream_name; /* Stream name */
+struct snd_soc_platform {
+ const char *name;
+ int id;
+ struct device *dev;
+ struct snd_soc_platform_driver *driver;
- /* DAI */
- struct snd_soc_dai *codec_dai;
- struct snd_soc_dai *cpu_dai;
+ unsigned int suspended:1; /* platform is suspended */
+ unsigned int probed:1;
- /* machine stream operations */
- struct snd_soc_ops *ops;
+ struct snd_soc_card *card;
+ struct list_head list;
+ struct list_head card_list;
+};
- /* codec/machine specific init - e.g. add machine controls */
- int (*init)(struct snd_soc_codec *codec);
+struct snd_soc_dai_link {
+ /* config - must be set by machine driver */
+ const char *name; /* Codec name */
+ const char *stream_name; /* Stream name */
+ const char *codec_name; /* for multi-codec */
+ const char *platform_name; /* for multi-platform */
+ const char *cpu_dai_name;
+ const char *codec_dai_name;
/* Keep DAI active over suspend */
unsigned int ignore_suspend:1;
@@ -533,21 +546,24 @@ struct snd_soc_dai_link {
/* Symmetry requirements */
unsigned int symmetric_rates:1;
- /* Symmetry data - only valid if symmetry is being enforced */
- unsigned int rate;
+ /* codec/machine specific init - e.g. add machine controls */
+ int (*init)(struct snd_soc_pcm_runtime *rtd);
- /* DAI pcm */
- struct snd_pcm *pcm;
+ /* machine stream operations */
+ struct snd_soc_ops *ops;
};
/* SoC card */
struct snd_soc_card {
- char *name;
+ const char *name;
struct device *dev;
+ struct snd_card *snd_card;
+ struct module *owner;
struct list_head list;
+ struct mutex mutex;
- int instantiated;
+ bool instantiated;
int (*probe)(struct platform_device *pdev);
int (*remove)(struct platform_device *pdev);
@@ -568,28 +584,38 @@ struct snd_soc_card {
/* CPU <--> Codec DAI links */
struct snd_soc_dai_link *dai_link;
int num_links;
+ struct snd_soc_pcm_runtime *rtd;
+ int num_rtd;
- struct snd_soc_device *socdev;
-
- struct snd_soc_codec *codec;
-
- struct snd_soc_platform *platform;
- struct delayed_work delayed_work;
struct work_struct deferred_resume_work;
+
+ /* lists of probed devices belonging to this card */
+ struct list_head codec_dev_list;
+ struct list_head platform_dev_list;
+ struct list_head dai_dev_list;
};
-/* SoC Device - the audio subsystem */
-struct snd_soc_device {
- struct device *dev;
+/* SoC machine DAI configuration, glues a codec and cpu DAI together */
+struct snd_soc_pcm_runtime {
+ struct device dev;
struct snd_soc_card *card;
- struct snd_soc_codec_device *codec_dev;
- void *codec_data;
-};
+ struct snd_soc_dai_link *dai_link;
+
+ unsigned int complete:1;
+ unsigned int dev_registered:1;
-/* runtime channel data */
-struct snd_soc_pcm_runtime {
- struct snd_soc_dai_link *dai;
- struct snd_soc_device *socdev;
+ /* Symmetry data - only valid if symmetry is being enforced */
+ unsigned int rate;
+ long pmdown_time;
+
+ /* runtime devices */
+ struct snd_pcm *pcm;
+ struct snd_soc_codec *codec;
+ struct snd_soc_platform *platform;
+ struct snd_soc_dai *codec_dai;
+ struct snd_soc_dai *cpu_dai;
+
+ struct delayed_work delayed_work;
};
/* mixer control */
@@ -615,24 +641,48 @@ struct soc_enum {
static inline unsigned int snd_soc_read(struct snd_soc_codec *codec,
unsigned int reg)
{
- return codec->read(codec, reg);
+ return codec->driver->read(codec, reg);
}
static inline unsigned int snd_soc_write(struct snd_soc_codec *codec,
unsigned int reg, unsigned int val)
{
- return codec->write(codec, reg, val);
+ return codec->driver->write(codec, reg, val);
}
+/* device driver data */
+
static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec,
- void *data)
+ void *data)
{
- codec->drvdata = data;
+ dev_set_drvdata(codec->dev, data);
}
static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec)
{
- return codec->drvdata;
+ return dev_get_drvdata(codec->dev);
+}
+
+static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform,
+ void *data)
+{
+ dev_set_drvdata(platform->dev, data);
+}
+
+static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform)
+{
+ return dev_get_drvdata(platform->dev);
+}
+
+static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd,
+ void *data)
+{
+ dev_set_drvdata(&rtd->dev, data);
+}
+
+static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd)
+{
+ return dev_get_drvdata(&rtd->dev);
}
#include <sound/soc-dai.h>
OpenPOWER on IntegriCloud