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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * MS5611 pressure and temperature sensor driver
- *
- * Copyright (c) Tomasz Duszynski <[email protected]>
- *
- */
- #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,
- };
- /*
- * 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;
- u16 prom[MS5611_PROM_WORDS_NB];
- int (*reset)(struct ms5611_state *st);
- int (*read_prom_word)(struct ms5611_state *st, int index, u16 *word);
- int (*read_adc_temp_and_pressure)(struct ms5611_state *st,
- s32 *temp, s32 *pressure);
- int (*compensate_temp_and_pressure)(struct ms5611_state *st, s32 *temp,
- s32 *pressure);
- struct regulator *vdd;
- };
- int ms5611_probe(struct iio_dev *indio_dev, struct device *dev,
- const char *name, int type);
- void ms5611_remove(struct iio_dev *indio_dev);
- #endif /* _MS5611_H */
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