drivers/iio/light/st_uvis25.h

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