/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _AMS_H
#define _AMS_H

#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/types.h>

enum ams_irq {
        AMS_IRQ_FREEFALL = 0x01,
        AMS_IRQ_SHOCK = 0x02,
        AMS_IRQ_GLOBAL = 0x04,
        AMS_IRQ_ALL =
                AMS_IRQ_FREEFALL |
                AMS_IRQ_SHOCK |
                AMS_IRQ_GLOBAL,
};

struct ams {
        /* Locks */
        spinlock_t irq_lock;
        struct mutex lock;

        /* General properties */
        struct device_node *of_node;
        struct platform_device *of_dev;
        char has_device;
        char vflag;
        u32 orient1;
        u32 orient2;

        /* Interrupt worker */
        struct work_struct worker;
        u8 worker_irqs;

        /* Implementation
         *
         * Only call these functions with the main lock held.
         */
        void (*exit)(void);

        void (*get_xyz)(s8 *x, s8 *y, s8 *z);
        u8 (*get_vendor)(void);

        void (*clear_irq)(enum ams_irq reg);

#ifdef CONFIG_SENSORS_AMS_I2C
        /* I2C properties */
        struct i2c_client *i2c_client;
#endif

        /* Joystick emulation */
        struct input_dev *idev;
        __u16 bustype;

        /* calibrated null values */
        int xcalib, ycalib, zcalib;
};

extern struct ams ams_info;

extern void ams_sensors(s8 *x, s8 *y, s8 *z);
extern int ams_sensor_attach(void);
extern void ams_sensor_detach(void);

extern int ams_pmu_init(struct device_node *np);
extern int ams_i2c_init(struct device_node *np);

extern int ams_input_init(void);
extern void ams_input_exit(void);

#endif /* _AMS_H */