#include <dos.h>
#include <stdio.h>
#include "amcc.h"

dword base_addr;
byte di_p0;

void main(void)
{
byte bus_num, dev_fun_num, reg_num, pci_register[64];
word ven_id, dev_id, index;
unsigned long config_data[32], PLX_reg[16];
unsigned int  dh, dl;
int err_code, i, irqI;

  ven_id = 0x13fe;
  dev_id = 0x1750;
  index = 0;

  clrscr();
  err_code = find_pci_device(dev_id, ven_id, index, &bus_num, &dev_fun_num);
  if ( !err_code )
    printf("Find PCI-1750 at Bus No.= %d Device No.= %d Function No. = %d\n",
      bus_num,dev_fun_num>>3,dev_fun_num&0x07);
  else
  {
    printf("Can not find any PCI-1750 ! \n");
    getch();
    exit(0);
  }

  for ( i=0;i<16;i++ )
  {
    err_code = read_configuration_dword(bus_num, dev_fun_num, i*4, &config_data[i]);
    printf("PCI control register %02X = %08lx\n",i*4,config_data[i]);
  }

  printf("\nPress any key to continue !");
  getch();
  clrscr();

  err_code = read_configuration_dword(bus_num, dev_fun_num, PCI_CS_BASE_ADDRESS_2, &base_addr);
  if ( !err_code )
  {
    if( base_addr & 0x01 )
    {
      base_addr &= 0xfffffffc;
      printf("\nPCI-1750 I/O base_addr=%lx\n",base_addr);
    }
    else
    {
      base_addr &= 0xfffffff0;
      printf("\nPCI-1750 MEMORY base_addr=%lx\n",base_addr);
    }
  }
  else
  {
    printf("Can not find any PCI-1750!\n");
    getch();
  }

  //printf("\nPress any key to continue !");
  //getch();
  //clrscr();

  /************************* Get interrupt No. ***********************/
  err_code = read_configuration_byte(bus_num, dev_fun_num, PCI_CS_INTERRUPT_LINE,&irqI);
  if ( !err_code )
    printf("\nInterrupt line No.=%d\n", irqI);

  printf("\nPress any key to continue !");
  getch();
  clrscr();

  while(!kbhit())
  {
    di_p0 = inportb(base_addr + 0);
    printf("\nDI=%d", di_p0);
  }

  getch();
}