| /* |
| * Murata ZPA2326 pressure and temperature sensor IIO driver |
| * |
| * Copyright (c) 2016 Parrot S.A. |
| * |
| * Author: Gregor Boirie <gregor.boirie@parrot.com> |
| * |
| * 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. |
| */ |
| |
| #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 |
