Release 4.7 drivers/iio/pressure/ms5611.h

/*
 * 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>

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 */
Overall Contributors
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CommitProp
tomasz duszynski
tomasz duszynski
159
75.71%
2
33.33%
gregor boirie
gregor boirie
42
20.00%
3
50.00%
daniel baluta
daniel baluta
9
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1
16.67%
Total
210
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6
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Directory: drivers/iio/pressure

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