drivers/iio/chemical/sps30.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _SPS30_H
   3 #define _SPS30_H
   4
   5 #include <linux/types.h>
   6
   7 struct sps30_state;
   8 struct sps30_ops {
   9         int (*start_meas)(struct sps30_state *state);
  10         int (*stop_meas)(struct sps30_state *state);
  11         int (*read_meas)(struct sps30_state *state, __be32 *meas, size_t num);
  12         int (*reset)(struct sps30_state *state);
  13         int (*clean_fan)(struct sps30_state *state);
  14         int (*read_cleaning_period)(struct sps30_state *state, __be32 *period);
  15         int (*write_cleaning_period)(struct sps30_state *state, __be32 period);
  16         int (*show_info)(struct sps30_state *state);
  17 };
  18
  19 struct sps30_state {
  20         /* serialize access to the device */
  21         struct mutex lock;
  22         struct device *dev;
  23         int state;
  24         /*
  25          * priv pointer is solely for serdev driver private data. We keep it
  26          * here because driver_data inside dev has been already used for iio and
  27          * struct serdev_device doesn't have one.
  28          */
  29         void *priv;
  30         const struct sps30_ops *ops;
  31 };
  32
  33 int sps30_probe(struct device *dev, const char *name, void *priv, const struct sps30_ops *ops);
  34
  35 #endif