| /* |
| * 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 */ |
