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 36