/* 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 [31mCONFIG_PM[0m #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 |