/*
   * This software may be used and distributed according to the terms
   * of the GNU General Public License, incorporated herein by reference.
   *
   */
  
  #include <linux/errno.h>
  #include <asm/io.h>
  #include <linux/delay.h>
  #include <linux/kernel.h>
  #include <linux/slab.h>
  #include <linux/mm.h>
  #include <linux/ioport.h>
  #include <linux/timer.h>
  #include <linux/wait.h>
  #include <linux/isdnif.h>