Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Generic serial GNSS receiver driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2018 Johan Hovold <johan@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #ifndef _LINUX_GNSS_SERIAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define _LINUX_GNSS_SERIAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <asm/termbits.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/pm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct gnss_serial {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	struct serdev_device *serdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	struct gnss_device *gdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	speed_t	speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	const struct gnss_serial_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	unsigned long drvdata[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) enum gnss_serial_pm_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	GNSS_SERIAL_OFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	GNSS_SERIAL_ACTIVE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	GNSS_SERIAL_STANDBY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct gnss_serial_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	int (*set_power)(struct gnss_serial *gserial,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 				enum gnss_serial_pm_state state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) extern const struct dev_pm_ops gnss_serial_pm_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct gnss_serial *gnss_serial_allocate(struct serdev_device *gserial,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 						size_t data_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) void gnss_serial_free(struct gnss_serial *gserial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int gnss_serial_register(struct gnss_serial *gserial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) void gnss_serial_deregister(struct gnss_serial *gserial);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static inline void *gnss_serial_get_drvdata(struct gnss_serial *gserial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	return gserial->drvdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #endif /* _LINUX_GNSS_SERIAL_H */