diff options
Diffstat (limited to 'include/sound/hdaudio.h')
| -rw-r--r-- | include/sound/hdaudio.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index 848ab6e68099..b81b4bec6f05 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -8,6 +8,9 @@ #include <linux/device.h> #include <sound/hda_verbs.h> +/* codec node id */ +typedef u16 hda_nid_t; + struct hdac_bus; struct hdac_device; struct hdac_driver; @@ -26,6 +29,30 @@ struct hdac_device { struct hdac_bus *bus; unsigned int addr; /* codec address */ struct list_head list; /* list point for bus codec_list */ + + hda_nid_t afg; /* AFG node id */ + hda_nid_t mfg; /* MFG node id */ + + /* ids */ + unsigned int vendor_id; + unsigned int subsystem_id; + unsigned int revision_id; + unsigned int afg_function_id; + unsigned int mfg_function_id; + unsigned int afg_unsol:1; + unsigned int mfg_unsol:1; + + unsigned int power_caps; /* FG power caps */ + + const char *vendor_name; /* codec vendor name */ + const char *chip_name; /* codec chip name */ + + /* widgets */ + unsigned int num_nodes; + hda_nid_t start_nid, end_nid; + + /* misc flags */ + atomic_t in_pm; /* suspend/resume being performed */ }; /* device/driver type used for matching */ @@ -34,8 +61,37 @@ enum { HDA_DEV_LEGACY, }; +/* direction */ +enum { + HDA_INPUT, HDA_OUTPUT +}; + #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev) +int snd_hdac_device_init(struct hdac_device *dev, struct hdac_bus *bus, + const char *name, unsigned int addr); +void snd_hdac_device_exit(struct hdac_device *dev); + +int snd_hdac_refresh_widgets(struct hdac_device *codec); + +unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid, + unsigned int verb, unsigned int parm); +int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid, + unsigned int verb, unsigned int parm, unsigned int *res); +int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm); +int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid, + hda_nid_t *conn_list, int max_conns); +int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid, + hda_nid_t *start_id); + +#ifdef CONFIG_PM +void snd_hdac_power_up(struct hdac_device *codec); +void snd_hdac_power_down(struct hdac_device *codec); +#else +static inline void snd_hdac_power_up(struct hdac_device *codec) {} +static inline void snd_hdac_power_down(struct hdac_device *codec) {} +#endif + /* * HD-audio codec base driver */ @@ -100,4 +156,14 @@ int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec); void snd_hdac_bus_remove_device(struct hdac_bus *bus, struct hdac_device *codec); +static inline void snd_hdac_codec_link_up(struct hdac_device *codec) +{ + set_bit(codec->addr, &codec->bus->codec_powered); +} + +static inline void snd_hdac_codec_link_down(struct hdac_device *codec) +{ + clear_bit(codec->addr, &codec->bus->codec_powered); +} + #endif /* __SOUND_HDAUDIO_H */ |