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/*
* Header file for hmc5843 driver
*
* Split from hmc5843.c
* Copyright (C) Josef Gajdusek <atx@atx.name>
*
* 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 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
* @buffer: 3x 16-bit channels + padding + 64-bit timestamp
*/
struct hmc5843_data {
struct device *dev;
struct mutex lock;
struct regmap *regmap;
const struct hmc5843_chip_info *variant;
struct iio_mount_matrix orientation;
__be16 buffer[8];
};
int hmc5843_common_probe(struct device *dev, struct regmap *regmap,
enum hmc5843_ids id, const char *name);
int hmc5843_common_remove(struct device *dev);
int hmc5843_common_suspend(struct device *dev);
int hmc5843_common_resume(struct device *dev);
#ifdef CONFIG_PM_SLEEP
static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops,
hmc5843_common_suspend,
hmc5843_common_resume);
#define HMC5843_PM_OPS (&hmc5843_pm_ops)
#else
#define HMC5843_PM_OPS NULL
#endif
#endif /* HMC5843_CORE_H */
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