Lines Matching full:i3c
27 * @bus: I3C bus to take the lock on
38 * logic to rely on I3C device information that could be changed behind their
49 * @bus: I3C bus to release the lock on
62 * @bus: I3C bus to take the lock on
66 * maintenance operations). Basically all communications with I3C devices are
68 * state or I3C dynamic address).
71 * In other words, transfer requests passed to the I3C master can be submitted
72 * in parallel and I3C master drivers have to use their own locking to make
83 * @bus: I3C bus to release the lock on
247 struct i3c_device *i3c = dev_to_i3cdev(dev); in modalias_show() local
251 i3c_device_get_info(i3c, &devinfo); in modalias_show()
257 return sprintf(buf, "i3c:dcr%02Xmanuf%04X", devinfo.dcr, in modalias_show()
260 return sprintf(buf, "i3c:dcr%02Xmanuf%04Xpart%04Xext%04X", in modalias_show()
288 return add_uevent_var(env, "MODALIAS=i3c:dcr%02Xmanuf%04X", in i3c_device_uevent()
292 "MODALIAS=i3c:dcr%02Xmanuf%04Xpart%04Xext%04X", in i3c_device_uevent()
341 .name = "i3c",
431 INIT_LIST_HEAD(&i3cbus->devs.i3c); in i3c_bus_init()
498 ret = sprintf(buf, "%ld\n", i3cbus->scl_rate.i3c); in i3c_scl_frequency_show()
542 WARN_ON(!list_empty(&bus->devs.i2c) || !list_empty(&bus->devs.i3c)); in i3c_masterdev_release()
561 if (!i3cbus->scl_rate.i3c) in i3c_bus_set_mode()
562 i3cbus->scl_rate.i3c = I3C_BUS_TYP_I3C_SCL_RATE; in i3c_bus_set_mode()
566 if (!i3cbus->scl_rate.i3c) in i3c_bus_set_mode()
567 i3cbus->scl_rate.i3c = I3C_BUS_TYP_I3C_SCL_RATE; in i3c_bus_set_mode()
574 if (!i3cbus->scl_rate.i3c || in i3c_bus_set_mode()
575 i3cbus->scl_rate.i3c > i3cbus->scl_rate.i2c) in i3c_bus_set_mode()
576 i3cbus->scl_rate.i3c = i3cbus->scl_rate.i2c; in i3c_bus_set_mode()
582 dev_dbg(&master->dev, "i2c-scl = %ld Hz i3c-scl = %ld Hz\n", in i3c_bus_set_mode()
583 i3cbus->scl_rate.i2c, i3cbus->scl_rate.i3c); in i3c_bus_set_mode()
586 * I3C/I2C frequency may have been overridden, check that user-provided in i3c_bus_set_mode()
589 if (i3cbus->scl_rate.i3c > I3C_BUS_MAX_I3C_SCL_RATE || in i3c_bus_set_mode()
709 * @master: I3C master object
789 * behind dynamic address assignment has to be handled in the I3C master
794 * Return: 0 in case of success, a positive I3C error code if the error is
839 * @addr: a valid I3C slave address or %I3C_BROADCAST_ADDR
847 * Return: 0 in case of success, a positive I3C error code if the error is
860 * @addr: a valid I3C slave address or %I3C_BROADCAST_ADDR
868 * Return: 0 in case of success, a positive I3C error code if the error is
886 * This should be called after all I3C devices have been discovered (in other
894 * Return: 0 in case of success, a positive I3C error code if the error is
951 /* Skip the I3C dev representing this master. */ in i3c_master_defslvs_locked()
1364 list_add_tail(&dev->common.node, &master->bus.devs.i3c); in i3c_master_attach_i3c_dev()
1514 "Failed to add I3C device (err = %d)\n", ret); in i3c_master_register_new_i3c_devs()
1522 * This function is instantiating an I3C device object and adding it to the
1523 * I3C device list. All device information are automatically retrieved using
1526 * The I3C device object is returned in case the master wants to attach
1555 * @info: I3C device information
1617 list_for_each_entry_safe(i3cdev, i3ctmp, &master->bus.devs.i3c, in i3c_master_detach_free_devs()
1640 * i3c_master_bus_init() - initialize an I3C bus
1643 * This function is following all initialisation steps described in the I3C
1659 * 5. Reserve address slots for I3C devices with init_dyn_addr. And if devices
1661 * the FW with SETDASA and attach corresponding statically defined I3C
1665 * remaining I3C devices
1667 * Once this is done, all I3C and I2C devices should be usable.
1749 list_for_each_entry(i3cboardinfo, &master->boardinfo.i3c, node) { in i3c_master_bus_init()
1813 list_for_each_entry(i3cboardinfo, &master->boardinfo.i3c, node) { in i3c_master_attach_boardinfo()
1838 * i3c_master_add_i3c_dev_locked() - add an I3C slave to the bus
1840 * @addr: I3C slave dynamic address assigned to the device
1842 * This function is instantiating an I3C device object and adding it to the
1843 * I3C device list. All device information are automatically retrieved using
1846 * The I3C device object is returned in case the master wants to attach
2011 * The I3C Specification does not clearly say I2C devices with 10-bit in of_i3c_master_add_i2c_boardinfo()
2072 list_add_tail(&boardinfo->node, &master->boardinfo.i3c); in of_i3c_master_add_i3c_boardinfo()
2122 * The user might want to limit I2C and I3C speed in case some devices in of_populate_i3c_bus()
2129 if (!of_property_read_u32(i3cbus_np, "i3c-scl-hz", &val)) in of_populate_i3c_bus()
2130 master->bus.scl_rate.i3c = val; in of_populate_i3c_bus()
2188 /* FIXME: Should we allow i3c masters to override these values? */ in i3c_master_i2c_adapter_init()
2445 * i3c_master_register() - register an I3C master
2447 * @parent: the parent device (the one that provides this I3C master
2456 * - creates and initializes the I3C bus
2459 * - registers all I3C devices added by the controller during bus
2492 INIT_LIST_HEAD(&master->boardinfo.i3c); in i3c_master_register()
2499 dev_set_name(&master->dev, "i3c-%d", i3cbus->id); in i3c_master_register()
2547 * Expose our I3C bus as an I2C adapter so that I2C devices are exposed in i3c_master_register()
2556 * register I3C devices discovered during the initial DAA. in i3c_master_register()
2579 * i3c_master_unregister() - unregister an I3C master
2715 MODULE_DESCRIPTION("I3C core");