#include <linux/module.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/device.h>

#define TEMPLATE "template"

static dev_t template_dev_number;
static struct cdev *driver_object;
struct class *template_class;
static int device_type_nr=1;

static struct file_operations fops = {
  // Hier werden die Adressen der eigentlichen
  // Treiberfunktionen abgelegt.
};

static int __init template_init( void )
{
  int minor;

  // ANMELDEN ALS TREIBER
  if(alloc_chrdev_region(&template_dev_number,0,
    device_type_nr,TEMPLATE)<0 )
    return -EIO;
  driver_object = cdev_alloc(); // Anmeldeobjekt reservieren
  if( driver_object==NULL )
    goto free_device_number;
  driver_object->owner = THIS_MODULE;
  driver_object->ops = &fops;
  if( cdev_add(driver_object,template_dev_number,1) )
    goto free_cdev;
  // ANLEGEN DER GERAETEDATEIEN
  template_class = class_create( THIS_MODULE, TEMPLATE );
  for( minor=0; minor<device_type_nr; minor++ )
    device_create( template_class, NULL, template_dev_number+minor,
      NULL, "%s%d", TEMPLATE, minor );
  return 0;
free_cdev:
  kobject_put( &driver_object->kobj );
free_device_number:
  unregister_chrdev_region( template_dev_number, 1 );
  return -EIO;
}

static void __exit template_exit( void )
{
  int minor;

  for( minor=0; minor<device_type_nr; minor++ )
    device_destroy( template_class, template_dev_number+minor );
  class_destroy( template_class );
  cdev_del( driver_object );
  unregister_chrdev_region( template_dev_number, device_type_nr );
  return;
}

module_init( template_init );
module_exit( template_exit );
MODULE_LICENSE( "GPL" );