| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * STMicroelectronics uvis25 sensor driver |
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| 4 | * |
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| 5 | * Copyright 2017 STMicroelectronics Inc. |
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| 6 | * |
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| 7 | * Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef ST_UVIS25_H |
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| 11 | #define ST_UVIS25_H |
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| 12 | |
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| 13 | #define ST_UVIS25_DEV_NAME "uvis25" |
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| 14 | |
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| 15 | #include <linux/iio/iio.h> |
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| 16 | |
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| 17 | /** |
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| 18 | * struct st_uvis25_hw - ST UVIS25 sensor instance |
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| 19 | * @regmap: Register map of the device. |
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| 20 | * @trig: The trigger in use by the driver. |
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| 21 | * @enabled: Status of the sensor (false->off, true->on). |
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| 22 | * @irq: Device interrupt line (I2C or SPI). |
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| 23 | */ |
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| 24 | struct st_uvis25_hw { |
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| 25 | struct regmap *regmap; |
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| 26 | |
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| 27 | struct iio_trigger *trig; |
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| 28 | bool enabled; |
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| 29 | int irq; |
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| 30 | /* Ensure timestamp is naturally aligned */ |
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| 31 | struct { |
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| 32 | u8 chan; |
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| 33 | s64 ts __aligned(8); |
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| 34 | } scan; |
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| 35 | }; |
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| 36 | |
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| 37 | extern const struct dev_pm_ops st_uvis25_pm_ops; |
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| 38 | |
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| 39 | int st_uvis25_probe(struct device *dev, int irq, struct regmap *regmap); |
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| 40 | |
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| 41 | #endif /* ST_UVIS25_H */ |
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| 42 | |
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