void PortOpen(int port);
void PortClose(int pPort);
void PortWrite(int pPort, unsigned char val);
unsigned int PortRead(int pPort);


#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <asm/io.h>

//* #include "port.h"

void PortClose(int pPort) 
{
        int ret;

        ret = ioperm(pPort, 4, 0);
        if (ret != 0)  {
                printf("Error: ioperm(%d,4,0): %d '%s'\n",
                        pPort,errno, sys_errlist[errno] );
                exit(-1);
        }
        printf( "SUCCESS: ioperm(%d,4,0) .. %d\n", pPort, ret );
}

void PortOpen(int pPort) 
{
        int ret;

        ret = ioperm(pPort, 4, 1);
        if (ret != 0)  {
                printf("Error: ioperm(%d,4,1): %d '%s'\n",
                        pPort,errno, sys_errlist[errno] );
                exit(-1);
        }
        printf( "SUCCESS: ioperm(%d,4,1) .. %d\n", pPort, ret );
}

unsigned int PortRead(int pPort) 
{
//      return( (inb(pPort)<<8) + inb(pPort+1));
        return( inb(pPort) );
}

void PortWrite(int pPort, unsigned char val) 
{
        outb(val, pPort);
}