linux/i3c/master.h

41  * @master: I3C master that instantiated this device. Will be used to do
43  * @master_priv: master private data assigned to the device. Can be used to
44  *		 add master specific information
50 	struct i3c_master_controller *master;  member
109  * Every time an IBI comes in, the I3C master driver should find a free IBI
113  * How IBI slots are allocated is left to the I3C master driver, though, for
134  *		     rejected by the master
150  * infrastructure. I3C master drivers may have their own internal
173  *		 assigned a dynamic address by the master. Will be used during
203  *	 should never be accessed from I3C master controller drivers. Only core
209  * core and passed to I3C master controller drivers when they're requested to
246  * I3C master can also have limitations, so this number is just here as a
303  * @cur_master: I3C master currently driving the bus. Since I3C is multi-master
304  *		this can change over the time. Will be used to let a master
318  *	      I3C master
321  *	      I3C master
330  *	  the same master in parallel. This is the responsibility of the
331  *	  master to guarantee that frames are actually sent sequentially and
335  * by the I3C master to cope with the multi-master functionality, where one bus
356  * struct i3c_master_controller_ops - I3C master methods
370  *		    This is a good place to attach master controller specific
380  *		    happens when the master device is unregistered.
397  *		    This is a good place to attach master controller specific
401  *		    happens when the master device is unregistered.
440 	int (*bus_init)(struct i3c_master_controller *master);
441 	void (*bus_cleanup)(struct i3c_master_controller *master);
445 	int (*do_daa)(struct i3c_master_controller *master);
446 	bool (*supports_ccc_cmd)(struct i3c_master_controller *master,
448 	int (*send_ccc_cmd)(struct i3c_master_controller *master,
464 	int (*enable_hotjoin)(struct i3c_master_controller *master);
465 	int (*disable_hotjoin)(struct i3c_master_controller *master);
469  * struct i3c_master_controller - I3C master controller object
471  * @this: an I3C device object representing this master. This device will be
476  * @ops: master operations. See &struct i3c_master_controller_ops
477  * @secondary: true if the master is a secondary master
479  * @hotjoin: true if the master support hotjoin
483  * @bus: I3C bus exposed by this master
484  * @wq: workqueue which can be used by master
533 int i3c_master_do_i2c_xfers(struct i3c_master_controller *master,
537 int i3c_master_disec_locked(struct i3c_master_controller *master, u8 addr,
539 int i3c_master_enec_locked(struct i3c_master_controller *master, u8 addr,
541 int i3c_master_entdaa_locked(struct i3c_master_controller *master);
542 int i3c_master_defslvs_locked(struct i3c_master_controller *master);
544 int i3c_master_get_free_addr(struct i3c_master_controller *master,
547 int i3c_master_add_i3c_dev_locked(struct i3c_master_controller *master,
549 int i3c_master_do_daa(struct i3c_master_controller *master);
551 int i3c_master_set_info(struct i3c_master_controller *master,
554 int i3c_master_register(struct i3c_master_controller *master,
558 void i3c_master_unregister(struct i3c_master_controller *master);
559 int i3c_master_enable_hotjoin(struct i3c_master_controller *master);
560 int i3c_master_disable_hotjoin(struct i3c_master_controller *master);
563  * i3c_dev_get_master_data() - get master private data attached to an I3C
576  * i3c_dev_set_master_data() - attach master private data to an I3C device
581  * This functions allows a master controller to attach per-device private data
591  * i2c_dev_get_master_data() - get master private data attached to an I2C
604  * i2c_dev_set_master_data() - attach master private data to an I2C device
609  * This functions allows a master controller to attach per-device private data
619  * i3c_dev_get_master() - get master used to communicate with a device
622  * Return: the master controller driving @dev
627 	return dev->common.master;  in i3c_dev_get_master()
631  * i2c_dev_get_master() - get master used to communicate with a device
634  * Return: the master controller driving @dev
639 	return dev->common.master;  in i2c_dev_get_master()
643  * i3c_master_get_bus() - get the bus attached to a master
644  * @master: master object
646  * Return: the I3C bus @master is connected to
649 i3c_master_get_bus(struct i3c_master_controller *master)  in i3c_master_get_bus()  argument
651 	return &master->bus;  in i3c_master_get_bus()