cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hts221.h (1135B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * STMicroelectronics hts221 sensor driver
      4 *
      5 * Copyright 2016 STMicroelectronics Inc.
      6 *
      7 * Lorenzo Bianconi <lorenzo.bianconi@st.com>
      8 */
      9
     10#ifndef HTS221_H
     11#define HTS221_H
     12
     13#define HTS221_DEV_NAME		"hts221"
     14
     15#include <linux/iio/iio.h>
     16#include <linux/regulator/consumer.h>
     17
     18enum hts221_sensor_type {
     19	HTS221_SENSOR_H,
     20	HTS221_SENSOR_T,
     21	HTS221_SENSOR_MAX,
     22};
     23
     24struct hts221_sensor {
     25	u8 cur_avg_idx;
     26	int slope, b_gen;
     27};
     28
     29struct hts221_hw {
     30	const char *name;
     31	struct device *dev;
     32	struct regmap *regmap;
     33	struct regulator *vdd;
     34
     35	struct iio_trigger *trig;
     36	int irq;
     37
     38	struct hts221_sensor sensors[HTS221_SENSOR_MAX];
     39
     40	bool enabled;
     41	u8 odr;
     42	/* Ensure natural alignment of timestamp */
     43	struct {
     44		__le16 channels[2];
     45		s64 ts __aligned(8);
     46	} scan;
     47};
     48
     49extern const struct dev_pm_ops hts221_pm_ops;
     50
     51int hts221_probe(struct device *dev, int irq, const char *name,
     52		 struct regmap *regmap);
     53int hts221_set_enable(struct hts221_hw *hw, bool enable);
     54int hts221_allocate_buffers(struct iio_dev *iio_dev);
     55int hts221_allocate_trigger(struct iio_dev *iio_dev);
     56
     57#endif /* HTS221_H */