| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _SPS30_H |
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| 3 | #define _SPS30_H |
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| 4 | |
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| 5 | #include <linux/types.h> |
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| 6 | |
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| 7 | struct sps30_state; |
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| 8 | struct sps30_ops { |
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| 9 | int (*start_meas)(struct sps30_state *state); |
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| 10 | int (*stop_meas)(struct sps30_state *state); |
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| 11 | int (*read_meas)(struct sps30_state *state, __be32 *meas, size_t num); |
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| 12 | int (*reset)(struct sps30_state *state); |
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| 13 | int (*clean_fan)(struct sps30_state *state); |
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| 14 | int (*read_cleaning_period)(struct sps30_state *state, __be32 *period); |
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| 15 | int (*write_cleaning_period)(struct sps30_state *state, __be32 period); |
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| 16 | int (*show_info)(struct sps30_state *state); |
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| 17 | }; |
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| 18 | |
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| 19 | struct sps30_state { |
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| 20 | /* serialize access to the device */ |
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| 21 | struct mutex lock; |
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| 22 | struct device *dev; |
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| 23 | int state; |
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| 24 | /* |
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| 25 | * priv pointer is solely for serdev driver private data. We keep it |
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| 26 | * here because driver_data inside dev has been already used for iio and |
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| 27 | * struct serdev_device doesn't have one. |
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| 28 | */ |
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| 29 | void *priv; |
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| 30 | const struct sps30_ops *ops; |
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| 31 | }; |
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| 32 | |
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| 33 | int sps30_probe(struct device *dev, const char *name, void *priv, const struct sps30_ops *ops); |
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| 34 | |
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| 35 | #endif |
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| 36 | |
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