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/* * MS5611 pressure and temperature sensor driver * * Copyright (c) Tomasz Duszynski <tduszyns@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #ifndef _MS5611_H #define _MS5611_H #include <linux/device.h> #include <linux/iio/iio.h> #include <linux/mutex.h> #define MS5611_RESET 0x1e #define MS5611_READ_ADC 0x00 #define MS5611_READ_PROM_WORD 0xA0 #define MS5611_START_TEMP_CONV 0x58 #define MS5611_START_PRESSURE_CONV 0x48 #define MS5611_CONV_TIME_MIN 9040 #define MS5611_CONV_TIME_MAX 10000 #define MS5611_PROM_WORDS_NB 8 struct ms5611_state { void *client; struct mutex lock; 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); u16 prom[MS5611_PROM_WORDS_NB]; }; int ms5611_probe(struct iio_dev *indio_dev, struct device *dev); #endif /* _MS5611_H */ |