/* SPDX-License-Identifier: GPL-2.0-only */ /* * STMicroelectronics hts221 sensor driver * * Copyright 2016 STMicroelectronics Inc. * * Lorenzo Bianconi <lorenzo.bianconi@st.com> */ #ifndef HTS221_H #define HTS221_H #define HTS221_DEV_NAME "hts221" #include <linux/iio/iio.h> enum hts221_sensor_type { HTS221_SENSOR_H, HTS221_SENSOR_T, HTS221_SENSOR_MAX, }; struct hts221_sensor { u8 cur_avg_idx; int slope, b_gen; }; struct hts221_hw { const char *name; struct device *dev; struct regmap *regmap; struct iio_trigger *trig; int irq; struct hts221_sensor sensors[HTS221_SENSOR_MAX]; bool enabled; u8 odr; /* Ensure natural alignment of timestamp */ struct { __le16 channels[2]; s64 ts __aligned(8); } scan; }; extern const struct dev_pm_ops hts221_pm_ops; int hts221_probe(struct device *dev, int irq, const char *name, struct regmap *regmap); int hts221_set_enable(struct hts221_hw *hw, bool enable); int hts221_allocate_buffers(struct hts221_hw *hw); int hts221_allocate_trigger(struct hts221_hw *hw); #endif /* HTS221_H */