Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / iio / pressure / ms5611.h

diff --git a/kernel/drivers/iio/pressure/ms5611.h b/kernel/drivers/iio/pressure/ms5611.h
new file mode 100644 (file)
index 0000000..099c6cd
--- /dev/null
+++ b/kernel/drivers/iio/pressure/ms5611.h
@@ -0,0 +1,44 @@
+/*
+ * 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>
+
+#define MS5611_RESET                   0x1e
+#define MS5611_READ_ADC                        0x00
+#define MS5611_READ_PROM_WORD          0xA0
+#define MS5611_START_TEMP_CONV         0x58
+#define MS5611_START_PRESSURE_CONV     0x48
+
+#define MS5611_CONV_TIME_MIN           9040
+#define MS5611_CONV_TIME_MAX           10000
+
+#define MS5611_PROM_WORDS_NB           8
+
+struct ms5611_state {
+       void *client;
+       struct mutex lock;
+
+       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);
+
+       u16 prom[MS5611_PROM_WORDS_NB];
+};
+
+int ms5611_probe(struct iio_dev *indio_dev, struct device *dev);
+
+#endif /* _MS5611_H */