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