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