linux/drivers/iio/chemical/sps30.h
Tomasz Duszynski 8f3f130852 iio: sps30: separate core and interface specific code
Move code responsible for handling i2c communication to a separate file.
Rationale for this change is preparation for adding support for serial
communication.

Signed-off-by: Tomasz Duszynski <tomasz.duszynski@octakon.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-05-17 13:49:10 +01:00

36 lines
1.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPS30_H
#define _SPS30_H
#include <linux/types.h>
struct sps30_state;
struct sps30_ops {
int (*start_meas)(struct sps30_state *state);
int (*stop_meas)(struct sps30_state *state);
int (*read_meas)(struct sps30_state *state, __be32 *meas, size_t num);
int (*reset)(struct sps30_state *state);
int (*clean_fan)(struct sps30_state *state);
int (*read_cleaning_period)(struct sps30_state *state, __be32 *period);
int (*write_cleaning_period)(struct sps30_state *state, __be32 period);
int (*show_info)(struct sps30_state *state);
};
struct sps30_state {
/* serialize access to the device */
struct mutex lock;
struct device *dev;
int state;
/*
* priv pointer is solely for serdev driver private data. We keep it
* here because driver_data inside dev has been already used for iio and
* struct serdev_device doesn't have one.
*/
void *priv;
const struct sps30_ops *ops;
};
int sps30_probe(struct device *dev, const char *name, void *priv, const struct sps30_ops *ops);
#endif