/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 2015-17 Intel Corporation. */ #ifndef __SOUNDWIRE_TYPES_H #define __SOUNDWIRE_TYPES_H extern struct bus_type sdw_bus_type; extern struct device_type sdw_slave_type; extern struct device_type sdw_master_type; static inline int is_sdw_slave(const struct device *dev) { return dev->type == &sdw_slave_type; } #define drv_to_sdw_driver(_drv) container_of(_drv, struct sdw_driver, driver) #define sdw_register_driver(drv) \ __sdw_register_driver(drv, THIS_MODULE) int __sdw_register_driver(struct sdw_driver *drv, struct module *owner); void sdw_unregister_driver(struct sdw_driver *drv); int sdw_slave_uevent(struct device *dev, struct kobj_uevent_env *env); /** * module_sdw_driver() - Helper macro for registering a Soundwire driver * @__sdw_driver: soundwire slave driver struct * * Helper macro for Soundwire drivers which do not do anything special in * module init/exit. This eliminates a lot of boilerplate. Each module may only * use this macro once, and calling it replaces module_init() and module_exit() */ #define module_sdw_driver(__sdw_driver) \ module_driver(__sdw_driver, sdw_register_driver, \ sdw_unregister_driver) #endif /* __SOUNDWIRE_TYPES_H */