cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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zpa2326.h (2909B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Murata ZPA2326 pressure and temperature sensor IIO driver
      4 *
      5 * Copyright (c) 2016 Parrot S.A.
      6 *
      7 * Author: Gregor Boirie <gregor.boirie@parrot.com>
      8 */
      9
     10#ifndef _ZPA2326_H
     11#define _ZPA2326_H
     12
     13/* Register map. */
     14#define ZPA2326_REF_P_XL_REG              (0x8)
     15#define ZPA2326_REF_P_L_REG               (0x9)
     16#define ZPA2326_REF_P_H_REG               (0xa)
     17#define ZPA2326_DEVICE_ID_REG             (0xf)
     18#define ZPA2326_DEVICE_ID                 (0xb9)
     19#define ZPA2326_RES_CONF_REG              (0x10)
     20#define ZPA2326_CTRL_REG0_REG             (0x20)
     21#define ZPA2326_CTRL_REG0_ONE_SHOT        BIT(0)
     22#define ZPA2326_CTRL_REG0_ENABLE          BIT(1)
     23#define ZPA2326_CTRL_REG1_REG             (0x21)
     24#define ZPA2326_CTRL_REG1_MASK_DATA_READY BIT(2)
     25#define ZPA2326_CTRL_REG2_REG             (0x22)
     26#define ZPA2326_CTRL_REG2_SWRESET         BIT(2)
     27#define ZPA2326_CTRL_REG3_REG             (0x23)
     28#define ZPA2326_CTRL_REG3_ODR_SHIFT       (4)
     29#define ZPA2326_CTRL_REG3_ENABLE_MEAS     BIT(7)
     30#define ZPA2326_INT_SOURCE_REG            (0x24)
     31#define ZPA2326_INT_SOURCE_DATA_READY     BIT(2)
     32#define ZPA2326_THS_P_LOW_REG             (0x25)
     33#define ZPA2326_THS_P_HIGH_REG            (0x26)
     34#define ZPA2326_STATUS_REG                (0x27)
     35#define ZPA2326_STATUS_P_DA               BIT(1)
     36#define ZPA2326_STATUS_FIFO_E             BIT(2)
     37#define ZPA2326_STATUS_P_OR               BIT(5)
     38#define ZPA2326_PRESS_OUT_XL_REG          (0x28)
     39#define ZPA2326_PRESS_OUT_L_REG           (0x29)
     40#define ZPA2326_PRESS_OUT_H_REG           (0x2a)
     41#define ZPA2326_TEMP_OUT_L_REG            (0x2b)
     42#define ZPA2326_TEMP_OUT_H_REG            (0x2c)
     43
     44struct device;
     45struct regmap;
     46
     47bool zpa2326_isreg_writeable(struct device *dev, unsigned int reg);
     48bool zpa2326_isreg_readable(struct device *dev, unsigned int reg);
     49bool zpa2326_isreg_precious(struct device *dev, unsigned int reg);
     50
     51/**
     52 * zpa2326_probe() - Instantiate and register core ZPA2326 IIO device
     53 * @parent: Hardware sampling device the created IIO device will be a child of.
     54 * @name:   Arbitrary name to identify the device.
     55 * @irq:    Interrupt line, negative if none.
     56 * @hwid:   Expected device hardware id.
     57 * @regmap: Registers map used to abstract underlying bus accesses.
     58 *
     59 * Return: Zero when successful, a negative error code otherwise.
     60 */
     61int zpa2326_probe(struct device        *parent,
     62		  const char           *name,
     63		  int                   irq,
     64		  unsigned int          hwid,
     65		  struct regmap        *regmap);
     66
     67/**
     68 * zpa2326_remove() - Unregister and destroy core ZPA2326 IIO device.
     69 * @parent: Hardware sampling device the IIO device to remove is a child of.
     70 */
     71void zpa2326_remove(const struct device *parent);
     72
     73#ifdef CONFIG_PM
     74#include <linux/pm.h>
     75extern const struct dev_pm_ops zpa2326_pm_ops;
     76#define ZPA2326_PM_OPS (&zpa2326_pm_ops)
     77#else
     78#define ZPA2326_PM_OPS (NULL)
     79#endif
     80
     81#endif