lkmpg/examples/vinput.h

/*
 * vinput.h
 */

#ifndef VINPUT_H
#define VINPUT_H

#include <linux/input.h>
#include <linux/spinlock.h>

#define VINPUT_MAX_LEN 128
#define MAX_VINPUT 32
#define VINPUT_MINORS MAX_VINPUT

#define dev_to_vinput(dev) container_of(dev, struct vinput, dev)

struct vinput_device;

struct vinput {
    long id;
    long devno;
    long last_entry;
    spinlock_t lock;

    void *priv_data;

    struct device dev;
    struct list_head list;
    struct input_dev *input;
    struct vinput_device *type;
};

struct vinput_ops {
    int (*init)(struct vinput *);
    int (*kill)(struct vinput *);
    int (*send)(struct vinput *, char *, int);
    int (*read)(struct vinput *, char *, int);
};

struct vinput_device {
    char name[16];
    struct list_head list;
    struct vinput_ops *ops;
};

int vinput_register(struct vinput_device *dev);
void vinput_unregister(struct vinput_device *dev);

#endif