diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/soc.h | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 74921f20a1d..9952254974b 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -258,6 +258,8 @@ enum snd_soc_compress_type { 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); @@ -276,6 +278,10 @@ 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); @@ -367,6 +373,22 @@ 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 * * @pin: name of the pin to update @@ -459,6 +481,9 @@ struct snd_soc_codec { 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 */ @@ -508,12 +533,14 @@ struct snd_soc_codec_driver { 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 */ @@ -754,6 +781,20 @@ static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) 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 |