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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/iio/pressure/ms5611.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/pressure/ms5611.h')
-rw-r--r--drivers/iio/pressure/ms5611.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/iio/pressure/ms5611.h b/drivers/iio/pressure/ms5611.h
new file mode 100644
index 000000000..550b75b71
--- /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 <tduszyns@gmail.com>
+ *
+ */
+
+#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 */