/* SPDX-License-Identifier: GPL-2.0 */ /* * MS5611 pressure and temperature sensor driver * * Copyright (c) Tomasz Duszynski <tduszyns@gmail.com> * */ #ifndef _MS5611_H #define _MS5611_H #include <linux/device.h> #include <linux/iio/iio.h> #include <linux/mutex.h> struct regulator; #define MS5611_RESET 0x1e #define MS5611_READ_ADC 0x00 #define MS5611_READ_PROM_WORD 0xA0 #define MS5611_PROM_WORDS_NB 8 enum { MS5611, MS5607, }; struct ms5611_chip_info { u16 prom[MS5611_PROM_WORDS_NB]; int (*temp_and_pressure_compensate)(struct ms5611_chip_info *chip_info, s32 *temp, s32 *pressure); }; /* * OverSampling Rate descriptor. * Warning: cmd MUST be kept aligned on a word boundary (see * m5611_spi_read_adc_temp_and_pressure in ms5611_spi.c). */ struct ms5611_osr { unsigned long conv_usec; u8 cmd; unsigned short rate; }; struct ms5611_state { void *client; struct mutex lock; const struct ms5611_osr *pressure_osr; const struct ms5611_osr *temp_osr; int (*reset)(struct device *dev); int (*read_prom_word)(struct device *dev, int index, u16 *word); int (*read_adc_temp_and_pressure)(struct device *dev, s32 *temp, s32 *pressure); struct ms5611_chip_info *chip_info; struct regulator *vdd; }; int ms5611_probe(struct iio_dev *indio_dev, struct device *dev, const char *name, int type); int ms5611_remove(struct iio_dev *indio_dev); #endif /* _MS5611_H */