linux/drivers/iio/pressure/zpa2326.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Murata ZPA2326 pressure and temperature sensor IIO driver
 *
 * Copyright (c) 2016 Parrot S.A.
 *
 * Author: Gregor Boirie <[email protected]>
 */

#ifndef _ZPA2326_H
#define _ZPA2326_H

/* Register map. */
#define ZPA2326_REF_P_XL_REG …
#define ZPA2326_REF_P_L_REG …
#define ZPA2326_REF_P_H_REG …
#define ZPA2326_DEVICE_ID_REG …
#define ZPA2326_DEVICE_ID …
#define ZPA2326_RES_CONF_REG …
#define ZPA2326_CTRL_REG0_REG …
#define ZPA2326_CTRL_REG0_ONE_SHOT …
#define ZPA2326_CTRL_REG0_ENABLE …
#define ZPA2326_CTRL_REG1_REG …
#define ZPA2326_CTRL_REG1_MASK_DATA_READY …
#define ZPA2326_CTRL_REG2_REG …
#define ZPA2326_CTRL_REG2_SWRESET …
#define ZPA2326_CTRL_REG3_REG …
#define ZPA2326_CTRL_REG3_ODR_SHIFT …
#define ZPA2326_CTRL_REG3_ENABLE_MEAS …
#define ZPA2326_INT_SOURCE_REG …
#define ZPA2326_INT_SOURCE_DATA_READY …
#define ZPA2326_THS_P_LOW_REG …
#define ZPA2326_THS_P_HIGH_REG …
#define ZPA2326_STATUS_REG …
#define ZPA2326_STATUS_P_DA …
#define ZPA2326_STATUS_FIFO_E …
#define ZPA2326_STATUS_P_OR …
#define ZPA2326_PRESS_OUT_XL_REG …
#define ZPA2326_PRESS_OUT_L_REG …
#define ZPA2326_PRESS_OUT_H_REG …
#define ZPA2326_TEMP_OUT_L_REG …
#define ZPA2326_TEMP_OUT_H_REG …

struct device;
struct regmap;

bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg);
bool zpa2326_isreg_readable(struct device *dev, unsigned int reg);
bool zpa2326_isreg_precious(struct device *dev, unsigned int reg);

/**
 * zpa2326_probe() - Instantiate and register core ZPA2326 IIO device
 * @parent: Hardware sampling device the created IIO device will be a child of.
 * @name:   Arbitrary name to identify the device.
 * @irq:    Interrupt line, negative if none.
 * @hwid:   Expected device hardware id.
 * @regmap: Registers map used to abstract underlying bus accesses.
 *
 * Return: Zero when successful, a negative error code otherwise.
 */
int zpa2326_probe(struct device        *parent,
		  const char           *name,
		  int                   irq,
		  unsigned int          hwid,
		  struct regmap        *regmap);

/**
 * zpa2326_remove() - Unregister and destroy core ZPA2326 IIO device.
 * @parent: Hardware sampling device the IIO device to remove is a child of.
 */
void zpa2326_remove(const struct device *parent);

#ifdef CONFIG_PM
#include <linux/pm.h>
extern const struct dev_pm_ops zpa2326_pm_ops;
#define ZPA2326_PM_OPS …
#else
#define ZPA2326_PM_OPS …
#endif

#endif