/* SPDX-License-Identifier: GPL-2.0 */ /* * Generic serial GNSS receiver driver * * Copyright (C) 2018 Johan Hovold <johan@kernel.org> */ #ifndef _LINUX_GNSS_SERIAL_H #define _LINUX_GNSS_SERIAL_H #include <asm/termbits.h> #include <linux/pm.h> struct gnss_serial { struct serdev_device *serdev; struct gnss_device *gdev; speed_t speed; const struct gnss_serial_ops *ops; unsigned long drvdata[]; }; enum gnss_serial_pm_state { GNSS_SERIAL_OFF, GNSS_SERIAL_ACTIVE, GNSS_SERIAL_STANDBY, }; struct gnss_serial_ops { int (*set_power)(struct gnss_serial *gserial, enum gnss_serial_pm_state state); }; extern const struct dev_pm_ops gnss_serial_pm_ops; struct gnss_serial *gnss_serial_allocate(struct serdev_device *gserial, size_t data_size); void gnss_serial_free(struct gnss_serial *gserial); int gnss_serial_register(struct gnss_serial *gserial); void gnss_serial_deregister(struct gnss_serial *gserial); static inline void *gnss_serial_get_drvdata(struct gnss_serial *gserial) { return gserial->drvdata; } #endif /* _LINUX_GNSS_SERIAL_H */