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-rw-r--r--include/sound/soc.h116
1 files changed, 92 insertions, 24 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 5c3bce83f28a..74921f20a1d8 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -222,10 +222,8 @@ enum snd_soc_bias_level {
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;
@@ -235,9 +233,10 @@ 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;
+struct snd_soc_cache_ops;
+#include <sound/soc-dapm.h>
#ifdef CONFIG_GPIOLIB
struct snd_soc_jack_gpio;
@@ -253,17 +252,30 @@ enum snd_soc_control_type {
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_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);
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
@@ -420,23 +432,37 @@ struct snd_soc_ops {
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;
/* 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 */
@@ -444,25 +470,25 @@ struct snd_soc_codec {
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
};
@@ -488,6 +514,7 @@ struct snd_soc_codec_driver {
short reg_cache_step;
short reg_word_size;
const void *reg_cache_default;
+ enum snd_soc_compress_type compress_type;
/* codec bias level */
int (*set_bias_level)(struct snd_soc_codec *,
@@ -554,6 +581,30 @@ struct snd_soc_dai_link {
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;
@@ -579,6 +630,8 @@ struct snd_soc_card {
/* 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;
@@ -588,12 +641,35 @@ struct snd_soc_card {
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 */
@@ -639,17 +715,9 @@ struct soc_enum {
};
/* codec IO */
-static inline unsigned int snd_soc_read(struct snd_soc_codec *codec,
- unsigned int 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->driver->write(codec, reg, val);
-}
+unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
+unsigned int snd_soc_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val);
/* device driver data */