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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/magnetometer/hmc5843.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/magnetometer/hmc5843.h')
-rw-r--r--drivers/iio/magnetometer/hmc5843.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/hmc5843.h b/drivers/iio/magnetometer/hmc5843.h
new file mode 100644
index 000000000..60fbb5431
--- /dev/null
+++ b/drivers/iio/magnetometer/hmc5843.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Header file for hmc5843 driver
+ *
+ * Split from hmc5843.c
+ * Copyright (C) Josef Gajdusek <atx@atx.name>
+ */
+
+#ifndef HMC5843_CORE_H
+#define HMC5843_CORE_H
+
+#include <linux/regmap.h>
+#include <linux/iio/iio.h>
+
+#define HMC5843_CONFIG_REG_A 0x00
+#define HMC5843_CONFIG_REG_B 0x01
+#define HMC5843_MODE_REG 0x02
+#define HMC5843_DATA_OUT_MSB_REGS 0x03
+#define HMC5843_STATUS_REG 0x09
+#define HMC5843_ID_REG 0x0a
+#define HMC5843_ID_END 0x0c
+
+enum hmc5843_ids {
+ HMC5843_ID,
+ HMC5883_ID,
+ HMC5883L_ID,
+ HMC5983_ID,
+};
+
+/**
+ * struct hmc5843_data - device specific data
+ * @dev: actual device
+ * @lock: update and read regmap data
+ * @regmap: hardware access register maps
+ * @variant: describe chip variants
+ * @scan: buffer to pack data for passing to
+ * iio_push_to_buffers_with_timestamp()
+ */
+struct hmc5843_data {
+ struct device *dev;
+ struct mutex lock;
+ struct regmap *regmap;
+ const struct hmc5843_chip_info *variant;
+ struct iio_mount_matrix orientation;
+ struct {
+ __be16 chans[3];
+ s64 timestamp __aligned(8);
+ } scan;
+};
+
+int hmc5843_common_probe(struct device *dev, struct regmap *regmap,
+ enum hmc5843_ids id, const char *name);
+void hmc5843_common_remove(struct device *dev);
+
+extern const struct dev_pm_ops hmc5843_pm_ops;
+#endif /* HMC5843_CORE_H */