/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * AD714X CapTouch Programmable Controller driver (bus interfaces)
 *
 * Copyright 2009-2011 Analog Devices Inc.
 */

#ifndef _AD714X_H_
#define _AD714X_H_

#include <linux/pm.h>
#include <linux/types.h>

#define STAGE_NUM              12

struct device;
struct ad714x_platform_data;
struct ad714x_driver_data;
struct ad714x_chip;

typedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t);
typedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short);

struct ad714x_chip {
        unsigned short l_state;
        unsigned short h_state;
        unsigned short c_state;
        unsigned short adc_reg[STAGE_NUM];
        unsigned short amb_reg[STAGE_NUM];
        unsigned short sensor_val[STAGE_NUM];

        struct ad714x_platform_data *hw;
        struct ad714x_driver_data *sw;

        int irq;
        struct device *dev;
        ad714x_read_t read;
        ad714x_write_t write;

        struct mutex mutex;

        unsigned product;
        unsigned version;

        __be16 xfer_buf[16] ____cacheline_aligned;

};

extern const struct dev_pm_ops ad714x_pm;
struct ad714x_chip *ad714x_probe(struct device *dev, u16 bus_type, int irq,
                                 ad714x_read_t read, ad714x_write_t write);

#endif