#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/ioctl.h>

#include "io.h"
#include "counter_io_calls.h"


static dev_t io_device_no;
static struct class *io_device_class;
static struct cdev io_device;

#define DRIVER_NAME "cntiodev"
#define DRIVER_CLASS "CounterClass"



static int io_open(struct inode *device_file, struct file *instance) {
  printk("counter - Info! io open was called\n");
  return 0;
}

static int io_close(struct inode *device_file, struct file *instance) {
  printk("counter - Info! io close was called\n");
  return 0;
}



static struct file_operations fops = {
  .owner = THIS_MODULE,
  .open = io_open,
  .release = io_close,
};

int io_init(void) {
  printk("counter - Info! io init\n");

  if (alloc_chrdev_region(&io_device_no, 0, 1, DRIVER_NAME) < 0) {
    printk("counter - ERROR! Device No. could not be allocated\n");
    return -1;
  }
  printk("counter - Info! Device No. Major: %d, Minor: %d was registered!\n", my_device_nr >> 20, my_device_nr & 0xfffff);



  return 0;
}

void io_exit(void) {
}