Lines Matching +full:time +full:- +full:slot
1 /* SPDX-License-Identifier: GPL-2.0 */
39 * struct i3c_i2c_dev_desc - Common part of the I3C/I2C device descriptor
40 * @node: node element used to insert the slot into the I2C or I3C device
62 * struct i2c_dev_boardinfo - I2C device board information
68 * This structure is used to attach board-level information to an I2C device.
78 * struct i2c_dev_desc - I2C device descriptor
87 * using &struct_i3c_master_controller->ops->attach_i2c_dev().
101 * struct i3c_ibi_slot - I3C IBI (In-Band Interrupt) slot
102 * @work: work associated to this slot. The IBI handler will be called from
108 * An IBI slot is an object pre-allocated by the controller and used when an
110 * Every time an IBI comes in, the I3C master driver should find a free IBI
111 * slot in its IBI slot pool, retrieve the IBI payload and queue the IBI using
115 * simple kmalloc-based allocation, the generic IBI slot pool can be used.
125 * struct i3c_device_ibi_info - IBI information attached to a specific device
134 * time. All messages IBIs exceeding this limit should be
139 * @handler: IBI handler specified at i3c_device_request_ibi() call time. This
153 * controller-private data.
167 * struct i3c_dev_boardinfo - I3C device board information
182 * This structure is used to attach board-level information to an I3C device.
196 * struct i3c_dev_desc - I3C device descriptor
200 * @ibi_lock: lock used to protect the &struct_i3c_device->ibi
205 * code should manipulate it in when updating the dev <-> desc link or
225 * struct i3c_device - I3C device object
228 * every time the I3C device is rediscovered with a different dynamic
248 * reference and should be adjusted on a per-controller/per-board basis.
259 * enum i3c_bus_mode - I3C bus mode
281 * enum i3c_open_drain_speed - I3C open-drain speed
282 * @I3C_OPEN_DRAIN_SLOW_SPEED: Slow open-drain speed for sending the first
287 * @I3C_OPEN_DRAIN_NORMAL_SPEED: Normal open-drain speed in I3C bus mode.
295 * enum i3c_addr_slot_status - I3C address slot status
300 * @I3C_ADDR_SLOT_STATUS_MASK: address slot mask
301 * @I3C_ADDR_SLOT_EXT_STATUS_MASK: address slot mask with extended information
303 * such as the "assigned-address" property in a device tree source.
323 * struct i3c_bus - I3C bus object
324 * @cur_master: I3C master currently driving the bus. Since I3C is multi-master
325 * this can change over the time. Will be used to let a master
329 * @addrslots: a bitmap with 2-bits per-slot to encode the address status and
356 * by the I3C master to cope with the multi-master functionality, where one bus
377 * struct i3c_master_controller_ops - I3C master methods
383 * &i3c_master_controller_ops->bus_init().
385 * @attach_i3c_dev: called every time an I3C device is attached to the bus. It
394 * @reattach_i3c_dev: called every time an I3C device has its addressed
407 * attached or re-attached to the controller.
417 * @attach_i2c_dev: called every time an I2C device is attached to the bus.
426 * the transfers are DMA-safe. If drivers want to have DMA-safe
433 * length and number of pre-allocated slots).
434 * Some controllers support less IBI-capable devices than regular
435 * devices, so this method might return -%EBUSY if there's no
438 * @free_ibi: free an IBI previously requested with ->request_ibi(). The IBI
439 * should have been disabled with ->disable_irq() prior to that
440 * This method is mandatory only if ->request_ibi is not NULL.
441 * @enable_ibi: enable the IBI. Only valid if ->request_ibi() has been called
442 * prior to ->enable_ibi(). The controller should first enable
446 * This method is mandatory only if ->request_ibi is not NULL.
450 * This method is mandatory only if ->request_ibi is not NULL.
451 * @recycle_ibi_slot: recycle an IBI slot. Called every time an IBI has been
452 * processed by its handler. The IBI slot should be put back
453 * in the IBI slot pool so that the controller can re-use it
455 * This method is mandatory only if ->request_ibi is not
485 struct i3c_ibi_slot *slot);
492 * struct i3c_master_controller - I3C master controller object
493 * @dev: device to be registered to the device-model
505 * @boardinfo: board-level information attached to devices connected on the bus
511 * be done from a sleep-able context
535 * i3c_bus_for_each_i2cdev() - iterate over all I2C devices present on the bus
537 * @dev: an I2C device descriptor pointer updated to point to the current slot
543 list_for_each_entry(dev, &(bus)->devs.i2c, common.node)
546 * i3c_bus_for_each_i3cdev() - iterate over all I3C devices present on the bus
548 * @dev: and I3C device descriptor pointer updated to point to the current slot
554 list_for_each_entry(dev, &(bus)->devs.i3c, common.node)
586 * i3c_dev_get_master_data() - get master private data attached to an I3C
595 return dev->common.master_priv; in i3c_dev_get_master_data()
599 * i3c_dev_set_master_data() - attach master private data to an I3C device
604 * This functions allows a master controller to attach per-device private data
610 dev->common.master_priv = data; in i3c_dev_set_master_data()
614 * i2c_dev_get_master_data() - get master private data attached to an I2C
623 return dev->common.master_priv; in i2c_dev_get_master_data()
627 * i2c_dev_set_master_data() - attach master private data to an I2C device
632 * This functions allows a master controller to attach per-device private data
638 dev->common.master_priv = data; in i2c_dev_set_master_data()
642 * i3c_dev_get_master() - get master used to communicate with a device
650 return dev->common.master; in i3c_dev_get_master()
654 * i2c_dev_get_master() - get master used to communicate with a device
662 return dev->common.master; in i2c_dev_get_master()
666 * i3c_master_get_bus() - get the bus attached to a master
674 return &master->bus; in i3c_master_get_bus()
687 struct i3c_ibi_slot *slot);
689 void i3c_master_queue_ibi(struct i3c_dev_desc *dev, struct i3c_ibi_slot *slot);