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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/iio/humidity/hts221.h
parentInitial commit. (diff)
downloadlinux-upstream/5.10.209.tar.xz
linux-upstream/5.10.209.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/humidity/hts221.h')
-rw-r--r--drivers/iio/humidity/hts221.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/iio/humidity/hts221.h b/drivers/iio/humidity/hts221.h
new file mode 100644
index 000000000..721359e22
--- /dev/null
+++ b/drivers/iio/humidity/hts221.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * STMicroelectronics hts221 sensor driver
+ *
+ * Copyright 2016 STMicroelectronics Inc.
+ *
+ * Lorenzo Bianconi <lorenzo.bianconi@st.com>
+ */
+
+#ifndef HTS221_H
+#define HTS221_H
+
+#define HTS221_DEV_NAME "hts221"
+
+#include <linux/iio/iio.h>
+
+enum hts221_sensor_type {
+ HTS221_SENSOR_H,
+ HTS221_SENSOR_T,
+ HTS221_SENSOR_MAX,
+};
+
+struct hts221_sensor {
+ u8 cur_avg_idx;
+ int slope, b_gen;
+};
+
+struct hts221_hw {
+ const char *name;
+ struct device *dev;
+ struct regmap *regmap;
+
+ struct iio_trigger *trig;
+ int irq;
+
+ struct hts221_sensor sensors[HTS221_SENSOR_MAX];
+
+ bool enabled;
+ u8 odr;
+ /* Ensure natural alignment of timestamp */
+ struct {
+ __le16 channels[2];
+ s64 ts __aligned(8);
+ } scan;
+};
+
+extern const struct dev_pm_ops hts221_pm_ops;
+
+int hts221_probe(struct device *dev, int irq, const char *name,
+ struct regmap *regmap);
+int hts221_set_enable(struct hts221_hw *hw, bool enable);
+int hts221_allocate_buffers(struct iio_dev *iio_dev);
+int hts221_allocate_trigger(struct iio_dev *iio_dev);
+
+#endif /* HTS221_H */