diff options
Diffstat (limited to 'drivers/iio/light/st_uvis25.h')
| -rw-r--r-- | drivers/iio/light/st_uvis25.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/iio/light/st_uvis25.h b/drivers/iio/light/st_uvis25.h new file mode 100644 index 000000000..f9bb7a575 --- /dev/null +++ b/drivers/iio/light/st_uvis25.h @@ -0,0 +1,42 @@ +/* + * STMicroelectronics uvis25 sensor driver + * + * Copyright 2017 STMicroelectronics Inc. + * + * Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Licensed under the GPL-2. + */ + +#ifndef ST_UVIS25_H +#define ST_UVIS25_H + +#define ST_UVIS25_DEV_NAME "uvis25" + +#include <linux/iio/iio.h> + +/** + * struct st_uvis25_hw - ST UVIS25 sensor instance + * @regmap: Register map of the device. + * @trig: The trigger in use by the driver. + * @enabled: Status of the sensor (false->off, true->on). + * @irq: Device interrupt line (I2C or SPI). + */ +struct st_uvis25_hw { + struct regmap *regmap; + + struct iio_trigger *trig; + bool enabled; + int irq; + /* Ensure timestamp is naturally aligned */ + struct { + u8 chan; + s64 ts __aligned(8); + } scan; +}; + +extern const struct dev_pm_ops st_uvis25_pm_ops; + +int st_uvis25_probe(struct device *dev, int irq, struct regmap *regmap); + +#endif /* ST_UVIS25_H */ |