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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Header file for hmc5843 driver
- *
- * Split from hmc5843.c
- * Copyright (C) Josef Gajdusek <[email protected]>
- */
- #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 */
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