82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Murata ZPA2326 pressure and temperature sensor IIO driver
|
|
*
|
|
* Copyright (c) 2016 Parrot S.A.
|
|
*
|
|
* Author: Gregor Boirie <gregor.boirie@parrot.com>
|
|
*/
|
|
|
|
#ifndef _ZPA2326_H
|
|
#define _ZPA2326_H
|
|
|
|
/* Register map. */
|
|
#define ZPA2326_REF_P_XL_REG (0x8)
|
|
#define ZPA2326_REF_P_L_REG (0x9)
|
|
#define ZPA2326_REF_P_H_REG (0xa)
|
|
#define ZPA2326_DEVICE_ID_REG (0xf)
|
|
#define ZPA2326_DEVICE_ID (0xb9)
|
|
#define ZPA2326_RES_CONF_REG (0x10)
|
|
#define ZPA2326_CTRL_REG0_REG (0x20)
|
|
#define ZPA2326_CTRL_REG0_ONE_SHOT BIT(0)
|
|
#define ZPA2326_CTRL_REG0_ENABLE BIT(1)
|
|
#define ZPA2326_CTRL_REG1_REG (0x21)
|
|
#define ZPA2326_CTRL_REG1_MASK_DATA_READY BIT(2)
|
|
#define ZPA2326_CTRL_REG2_REG (0x22)
|
|
#define ZPA2326_CTRL_REG2_SWRESET BIT(2)
|
|
#define ZPA2326_CTRL_REG3_REG (0x23)
|
|
#define ZPA2326_CTRL_REG3_ODR_SHIFT (4)
|
|
#define ZPA2326_CTRL_REG3_ENABLE_MEAS BIT(7)
|
|
#define ZPA2326_INT_SOURCE_REG (0x24)
|
|
#define ZPA2326_INT_SOURCE_DATA_READY BIT(2)
|
|
#define ZPA2326_THS_P_LOW_REG (0x25)
|
|
#define ZPA2326_THS_P_HIGH_REG (0x26)
|
|
#define ZPA2326_STATUS_REG (0x27)
|
|
#define ZPA2326_STATUS_P_DA BIT(1)
|
|
#define ZPA2326_STATUS_FIFO_E BIT(2)
|
|
#define ZPA2326_STATUS_P_OR BIT(5)
|
|
#define ZPA2326_PRESS_OUT_XL_REG (0x28)
|
|
#define ZPA2326_PRESS_OUT_L_REG (0x29)
|
|
#define ZPA2326_PRESS_OUT_H_REG (0x2a)
|
|
#define ZPA2326_TEMP_OUT_L_REG (0x2b)
|
|
#define ZPA2326_TEMP_OUT_H_REG (0x2c)
|
|
|
|
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 (&zpa2326_pm_ops)
|
|
#else
|
|
#define ZPA2326_PM_OPS (NULL)
|
|
#endif
|
|
|
|
#endif
|