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Based on 1 normalized pattern(s): 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 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Murata ZPA2326 pressure and temperature sensor IIO driver
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*
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* Copyright (c) 2016 Parrot S.A.
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*
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* Author: Gregor Boirie <gregor.boirie@parrot.com>
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*/
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#ifndef _ZPA2326_H
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#define _ZPA2326_H
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/* Register map. */
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#define ZPA2326_REF_P_XL_REG (0x8)
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#define ZPA2326_REF_P_L_REG (0x9)
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#define ZPA2326_REF_P_H_REG (0xa)
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#define ZPA2326_DEVICE_ID_REG (0xf)
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#define ZPA2326_DEVICE_ID (0xb9)
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#define ZPA2326_RES_CONF_REG (0x10)
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#define ZPA2326_CTRL_REG0_REG (0x20)
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#define ZPA2326_CTRL_REG0_ONE_SHOT BIT(0)
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#define ZPA2326_CTRL_REG0_ENABLE BIT(1)
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#define ZPA2326_CTRL_REG1_REG (0x21)
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#define ZPA2326_CTRL_REG1_MASK_DATA_READY BIT(2)
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#define ZPA2326_CTRL_REG2_REG (0x22)
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#define ZPA2326_CTRL_REG2_SWRESET BIT(2)
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#define ZPA2326_CTRL_REG3_REG (0x23)
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#define ZPA2326_CTRL_REG3_ODR_SHIFT (4)
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#define ZPA2326_CTRL_REG3_ENABLE_MEAS BIT(7)
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#define ZPA2326_INT_SOURCE_REG (0x24)
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#define ZPA2326_INT_SOURCE_DATA_READY BIT(2)
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#define ZPA2326_THS_P_LOW_REG (0x25)
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#define ZPA2326_THS_P_HIGH_REG (0x26)
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#define ZPA2326_STATUS_REG (0x27)
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#define ZPA2326_STATUS_P_DA BIT(1)
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#define ZPA2326_STATUS_FIFO_E BIT(2)
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#define ZPA2326_STATUS_P_OR BIT(5)
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#define ZPA2326_PRESS_OUT_XL_REG (0x28)
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#define ZPA2326_PRESS_OUT_L_REG (0x29)
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#define ZPA2326_PRESS_OUT_H_REG (0x2a)
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#define ZPA2326_TEMP_OUT_L_REG (0x2b)
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#define ZPA2326_TEMP_OUT_H_REG (0x2c)
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struct device;
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struct regmap;
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bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg);
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bool zpa2326_isreg_readable(struct device *dev, unsigned int reg);
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bool zpa2326_isreg_precious(struct device *dev, unsigned int reg);
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/**
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* zpa2326_probe() - Instantiate and register core ZPA2326 IIO device
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* @parent: Hardware sampling device the created IIO device will be a child of.
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* @name: Arbitrary name to identify the device.
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* @irq: Interrupt line, negative if none.
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* @hwid: Expected device hardware id.
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* @regmap: Registers map used to abstract underlying bus accesses.
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*
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* Return: Zero when successful, a negative error code otherwise.
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*/
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int zpa2326_probe(struct device *parent,
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const char *name,
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int irq,
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unsigned int hwid,
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struct regmap *regmap);
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/**
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* zpa2326_remove() - Unregister and destroy core ZPA2326 IIO device.
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* @parent: Hardware sampling device the IIO device to remove is a child of.
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*/
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void zpa2326_remove(const struct device *parent);
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#ifdef CONFIG_PM
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#include <linux/pm.h>
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extern const struct dev_pm_ops zpa2326_pm_ops;
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#define ZPA2326_PM_OPS (&zpa2326_pm_ops)
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#else
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#define ZPA2326_PM_OPS (NULL)
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#endif
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#endif
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