From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- drivers/iio/pressure/ms5611.h | 62 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 drivers/iio/pressure/ms5611.h (limited to 'drivers/iio/pressure/ms5611.h') diff --git a/drivers/iio/pressure/ms5611.h b/drivers/iio/pressure/ms5611.h new file mode 100644 index 000000000..5e2d2d4d8 --- /dev/null +++ b/drivers/iio/pressure/ms5611.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * MS5611 pressure and temperature sensor driver + * + * Copyright (c) Tomasz Duszynski + * + */ + +#ifndef _MS5611_H +#define _MS5611_H + +#include +#include +#include + +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); +int ms5611_remove(struct iio_dev *indio_dev); + +#endif /* _MS5611_H */ -- cgit v1.2.3