Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * STMicroelectronics hts221 sensor driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2016 STMicroelectronics Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Lorenzo Bianconi <lorenzo.bianconi@st.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifndef HTS221_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define HTS221_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define HTS221_DEV_NAME		"hts221"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/iio/iio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) enum hts221_sensor_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	HTS221_SENSOR_H,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	HTS221_SENSOR_T,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	HTS221_SENSOR_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct hts221_sensor {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	u8 cur_avg_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	int slope, b_gen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct hts221_hw {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct iio_trigger *trig;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	struct hts221_sensor sensors[HTS221_SENSOR_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	bool enabled;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	u8 odr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	/* Ensure natural alignment of timestamp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		__le16 channels[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		s64 ts __aligned(8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	} scan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) extern const struct dev_pm_ops hts221_pm_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int hts221_probe(struct device *dev, int irq, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 		 struct regmap *regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int hts221_set_enable(struct hts221_hw *hw, bool enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int hts221_allocate_buffers(struct iio_dev *iio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) int hts221_allocate_trigger(struct iio_dev *iio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #endif /* HTS221_H */