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/* 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[0];
};
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 */
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