include/linux/i2c.h

32 struct i2c_adapter;
126 int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
128 int __i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
135 s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
140 s32 __i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
329 	struct i2c_adapter *adapter;	/* the adapter we sit on	*/
341 struct i2c_adapter *i2c_verify_adapter(struct device *dev);
445 i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *info);
454 i2c_new_scanned_device(struct i2c_adapter *adap,
457 		       int (*probe)(struct i2c_adapter *adap, unsigned short addr));
460 int i2c_probe_func_quick_read(struct i2c_adapter *adap, unsigned short addr);
463 i2c_new_dummy_device(struct i2c_adapter *adapter, u16 address);
466 devm_i2c_new_dummy_device(struct device *dev, struct i2c_adapter *adap, u16 address);
529 	int (*master_xfer)(struct i2c_adapter *adap, struct i2c_msg *msgs,
531 	int (*master_xfer_atomic)(struct i2c_adapter *adap,
533 	int (*smbus_xfer)(struct i2c_adapter *adap, u16 addr,
536 	int (*smbus_xfer_atomic)(struct i2c_adapter *adap, u16 addr,
541 	u32 (*functionality)(struct i2c_adapter *adap);
558 	void (*lock_bus)(struct i2c_adapter *adapter, unsigned int flags);
559 	int (*trylock_bus)(struct i2c_adapter *adapter, unsigned int flags);
560 	void (*unlock_bus)(struct i2c_adapter *adapter, unsigned int flags);
619 	int (*recover_bus)(struct i2c_adapter *adap);
621 	int (*get_scl)(struct i2c_adapter *adap);
622 	void (*set_scl)(struct i2c_adapter *adap, int val);
623 	int (*get_sda)(struct i2c_adapter *adap);
624 	void (*set_sda)(struct i2c_adapter *adap, int val);
625 	int (*get_bus_free)(struct i2c_adapter *adap);
627 	void (*prepare_recovery)(struct i2c_adapter *adap);
628 	void (*unprepare_recovery)(struct i2c_adapter *adap);
638 int i2c_recover_bus(struct i2c_adapter *adap);
641 int i2c_generic_scl_recovery(struct i2c_adapter *adap);
697 struct i2c_adapter {  struct
727 #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)  argument
729 static inline void *i2c_get_adapdata(const struct i2c_adapter *adap)  in i2c_get_adapdata()
734 static inline void i2c_set_adapdata(struct i2c_adapter *adap, void *data)  in i2c_set_adapdata()
739 static inline struct i2c_adapter *
740 i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter)  in i2c_parent_is_i2c_adapter()
765 i2c_lock_bus(struct i2c_adapter *adapter, unsigned int flags)  in i2c_lock_bus()
779 i2c_trylock_bus(struct i2c_adapter *adapter, unsigned int flags)  in i2c_trylock_bus()
791 i2c_unlock_bus(struct i2c_adapter *adapter, unsigned int flags)  in i2c_unlock_bus()
806 static inline void i2c_mark_adapter_suspended(struct i2c_adapter *adap)  in i2c_mark_adapter_suspended()
821 static inline void i2c_mark_adapter_resumed(struct i2c_adapter *adap)  in i2c_mark_adapter_resumed()
848 int i2c_add_adapter(struct i2c_adapter *adap);
849 void i2c_del_adapter(struct i2c_adapter *adap);
850 int i2c_add_numbered_adapter(struct i2c_adapter *adap);
866 void i2c_clients_command(struct i2c_adapter *adap,
869 struct i2c_adapter *i2c_get_adapter(int nr);
870 void i2c_put_adapter(struct i2c_adapter *adap);
871 unsigned int i2c_adapter_depth(struct i2c_adapter *adapter);
876 static inline u32 i2c_get_functionality(struct i2c_adapter *adap)  in i2c_get_functionality()
882 static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)  in i2c_check_functionality()
894 static inline bool i2c_check_quirks(struct i2c_adapter *adap, u64 quirks)  in i2c_check_quirks()
902 static inline int i2c_adapter_id(struct i2c_adapter *adap)  in i2c_adapter_id()
915 int i2c_handle_smbus_host_notify(struct i2c_adapter *adap, unsigned short addr);
946 struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node);
949 struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node);
965 static inline struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node)  in of_find_i2c_adapter_by_node()
970 static inline struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node)  in of_get_i2c_adapter_by_node()
1000 struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle);
1016 static inline struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)  in i2c_acpi_find_adapter_by_handle()