struct snd_jack;
struct snd_soc_card;
-struct snd_soc_device;
struct snd_soc_pcm_stream;
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_codec;
struct snd_soc_codec_driver;
struct soc_enum;
-struct snd_soc_ac97_ops;
struct snd_soc_jack;
struct snd_soc_jack_pin;
+struct snd_soc_cache_ops;
+#include <sound/soc-dapm.h>
#ifdef CONFIG_GPIOLIB
struct snd_soc_jack_gpio;
SND_SOC_SPI,
};
+enum snd_soc_compress_type {
+ SND_SOC_FLAT_COMPRESSION = 1,
+ SND_SOC_LZO_COMPRESSION,
+ SND_SOC_RBTREE_COMPRESSION
+};
+
+int snd_soc_register_card(struct snd_soc_card *card);
+int snd_soc_unregister_card(struct snd_soc_card *card);
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,
+ const 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);
+int snd_soc_cache_sync(struct snd_soc_codec *codec);
+int snd_soc_cache_init(struct snd_soc_codec *codec);
+int snd_soc_cache_exit(struct snd_soc_codec *codec);
+int snd_soc_cache_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int value);
+int snd_soc_cache_read(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int *value);
+int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
+ unsigned int reg);
+int snd_soc_default_readable_register(struct snd_soc_codec *codec,
+ unsigned int reg);
/* 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_put_volsw_2r_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+/**
+ * struct snd_soc_reg_access - Describes whether a given register is
+ * readable, writable or volatile.
+ *
+ * @reg: the register number
+ * @read: whether this register is readable
+ * @write: whether this register is writable
+ * @vol: whether this register is volatile
+ */
+struct snd_soc_reg_access {
+ u16 reg;
+ u16 read;
+ u16 write;
+ u16 vol;
+};
+
/**
* struct snd_soc_jack_pin - Describes a pin to update based on jack detection
*
int (*trigger)(struct snd_pcm_substream *, int);
};
+/* SoC cache ops */
+struct snd_soc_cache_ops {
+ const char *name;
+ enum snd_soc_compress_type id;
+ int (*init)(struct snd_soc_codec *codec);
+ int (*exit)(struct snd_soc_codec *codec);
+ int (*read)(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int *value);
+ int (*write)(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value);
+ int (*sync)(struct snd_soc_codec *codec);
+};
+
/* SoC Audio Codec device */
struct snd_soc_codec {
const char *name;
+ const char *name_prefix;
int id;
struct device *dev;
- struct snd_soc_codec_driver *driver;
+ const struct snd_soc_codec_driver *driver;
struct mutex mutex;
struct snd_soc_card *card;
struct list_head list;
struct list_head card_list;
int num_dai;
+ enum snd_soc_compress_type compress_type;
+ size_t reg_size; /* reg_cache_size * reg_word_size */
+ int (*volatile_register)(struct snd_soc_codec *, unsigned int);
+ int (*readable_register)(struct snd_soc_codec *, unsigned int);
/* runtime */
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
unsigned int active;
- 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 ac97_registered:1; /* Codec has been AC97 registered */
unsigned int ac97_created:1; /* Codec has been created by SoC */
unsigned int sysfs_registered:1; /* codec has been sysfs registered */
+ unsigned int cache_init:1; /* codec cache has been initialized */
/* codec IO */
void *control_data; /* codec control (i2c/3wire) data */
hw_write_t hw_write;
unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
+ unsigned int (*read)(struct snd_soc_codec *, unsigned int);
+ int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
void *reg_cache;
+ const void *reg_def_copy;
+ const struct snd_soc_cache_ops *cache_ops;
+ struct mutex cache_rw_mutex;
/* dapm */
- u32 pop_time;
- struct list_head dapm_widgets;
- struct list_head dapm_paths;
- enum snd_soc_bias_level bias_level;
- enum snd_soc_bias_level suspend_bias_level;
- struct delayed_work delayed_work;
+ struct snd_soc_dapm_context dapm;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_codec_root;
struct dentry *debugfs_reg;
- struct dentry *debugfs_pop_time;
struct dentry *debugfs_dapm;
#endif
};
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);
+ int (*volatile_register)(struct snd_soc_codec *, unsigned int);
+ int (*readable_register)(struct snd_soc_codec *, unsigned int);
short reg_cache_size;
short reg_cache_step;
short reg_word_size;
const void *reg_cache_default;
+ short reg_access_size;
+ const struct snd_soc_reg_access *reg_access_default;
+ enum snd_soc_compress_type compress_type;
/* codec bias level */
int (*set_bias_level)(struct snd_soc_codec *,
struct snd_soc_ops *ops;
};
+struct snd_soc_codec_conf {
+ const char *dev_name;
+
+ /*
+ * optional map of kcontrol, widget and path name prefixes that are
+ * associated per device
+ */
+ const char *name_prefix;
+
+ /*
+ * set this to the desired compression type if you want to
+ * override the one supplied in codec->driver->compress_type
+ */
+ enum snd_soc_compress_type compress_type;
+};
+
+struct snd_soc_aux_dev {
+ const char *name; /* Codec name */
+ const char *codec_name; /* for multi-codec */
+
+ /* codec/machine specific init - e.g. add machine controls */
+ int (*init)(struct snd_soc_dapm_context *dapm);
+};
+
/* SoC card */
struct snd_soc_card {
const char *name;
/* callbacks */
int (*set_bias_level)(struct snd_soc_card *,
enum snd_soc_bias_level level);
+ int (*set_bias_level_post)(struct snd_soc_card *,
+ enum snd_soc_bias_level level);
long pmdown_time;
struct snd_soc_pcm_runtime *rtd;
int num_rtd;
+ /* optional codec specific configuration */
+ struct snd_soc_codec_conf *codec_conf;
+ int num_configs;
+
+ /*
+ * optional auxiliary devices such as amplifiers or codecs with DAI
+ * link unused
+ */
+ struct snd_soc_aux_dev *aux_dev;
+ int num_aux_devs;
+ struct snd_soc_pcm_runtime *rtd_aux;
+ int num_aux_rtd;
+
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;
+
+ struct list_head widgets;
+ struct list_head paths;
+ struct list_head dapm_list;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_card_root;
+ struct dentry *debugfs_pop_time;
+#endif
+ u32 pop_time;
};
/* SoC machine DAI configuration, glues a codec and cpu DAI together */
return dev_get_drvdata(&rtd->dev);
}
+static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
+{
+ INIT_LIST_HEAD(&card->dai_dev_list);
+ INIT_LIST_HEAD(&card->codec_dev_list);
+ INIT_LIST_HEAD(&card->platform_dev_list);
+ INIT_LIST_HEAD(&card->widgets);
+ INIT_LIST_HEAD(&card->paths);
+ INIT_LIST_HEAD(&card->dapm_list);
+}
+
#include <sound/soc-dai.h>
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *snd_soc_debugfs_root;
+#endif
+
#endif
projects / firefly-linux-kernel-4.4.55.git / blobdiff