Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* MS5611 pressure and temperature sensor driver
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*
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* Copyright (c) Tomasz Duszynski <tduszyns@gmail.com>
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*
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*/
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#ifndef _MS5611_H
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#define _MS5611_H
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#include <linux/device.h>
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#include <linux/iio/iio.h>
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#include <linux/mutex.h>
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#define MS5611_RESET 0x1e
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#define MS5611_READ_ADC 0x00
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#define MS5611_READ_PROM_WORD 0xA0
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#define MS5611_PROM_WORDS_NB 8
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enum {
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MS5611,
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MS5607,
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};
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/*
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* OverSampling Rate descriptor.
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* Warning: cmd MUST be kept aligned on a word boundary (see
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* m5611_spi_read_adc_temp_and_pressure in ms5611_spi.c).
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*/
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struct ms5611_osr {
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unsigned long conv_usec;
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u8 cmd;
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unsigned short rate;
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};
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struct ms5611_state {
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void *client;
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struct mutex lock;
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const struct ms5611_osr *pressure_osr;
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const struct ms5611_osr *temp_osr;
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u16 prom[MS5611_PROM_WORDS_NB];
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int (*reset)(struct ms5611_state *st);
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int (*read_prom_word)(struct ms5611_state *st, int index, u16 *word);
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int (*read_adc_temp_and_pressure)(struct ms5611_state *st,
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s32 *temp, s32 *pressure);
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int (*compensate_temp_and_pressure)(struct ms5611_state *st, s32 *temp,
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s32 *pressure);
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};
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int ms5611_probe(struct iio_dev *indio_dev, struct device *dev,
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const char *name, int type);
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#endif /* _MS5611_H */
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