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8f3f130852
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>
35 lines
1 KiB
C
35 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _SPS30_H
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#define _SPS30_H
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#include <linux/types.h>
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struct sps30_state;
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struct sps30_ops {
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int (*start_meas)(struct sps30_state *state);
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int (*stop_meas)(struct sps30_state *state);
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int (*read_meas)(struct sps30_state *state, __be32 *meas, size_t num);
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int (*reset)(struct sps30_state *state);
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int (*clean_fan)(struct sps30_state *state);
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int (*read_cleaning_period)(struct sps30_state *state, __be32 *period);
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int (*write_cleaning_period)(struct sps30_state *state, __be32 period);
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int (*show_info)(struct sps30_state *state);
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};
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struct sps30_state {
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/* serialize access to the device */
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struct mutex lock;
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struct device *dev;
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int state;
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/*
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* priv pointer is solely for serdev driver private data. We keep it
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* here because driver_data inside dev has been already used for iio and
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* struct serdev_device doesn't have one.
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*/
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void *priv;
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const struct sps30_ops *ops;
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};
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int sps30_probe(struct device *dev, const char *name, void *priv, const struct sps30_ops *ops);
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#endif
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