/*
  parallel port I/O functions
    for LINUX
     lpio_lnx.c
    2001.1.24 H.Akitaya
*/

int out_lp0( unsigned int data );
unsigned int in_lp0( void );
void p_wait( unsigned long m_sec );


/*
  output data to lp0 (data port 1: 0-7 bit)
*/

int out_lp0( unsigned int data )
{
  outb( data, P_BASE );
  return( 0 );
}

/*
  input data from lp0 (status port 3-7 bit)
*/

unsigned int in_lp0( void )
{
  unsigned int data;
  data = inb( P_BASE+1 );
  return( data );
}

/*
  wait several microsec
*/
void p_wait( unsigned long m_sec )
{
  unsigned long n;
  for( n=1; n <= m_sec; n++){
    outb( 0, WAIT );
  }
  return;
}