/*
   * Minimalist driver for a generic PCI-to-EISA bridge.
   *
   * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
   *
   * This code is released under the GPL version 2.
   *
   * Ivan Kokshaysky <ink@jurassic.park.msu.ru> :
   * Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA.
   */
  
  #include <linux/kernel.h>
  #include <linux/device.h>
  #include <linux/eisa.h>
  #include <linux/pci.h>
  #include <linux/module.h>
  #include <linux/init.h>
  
  /* There is only *one* pci_eisa device per machine, right ? */
  static struct eisa_root_device pci_eisa_root;

  static int __init pci_eisa_init(struct pci_dev *pdev,
  				const struct pci_device_id *ent)

  {
  	int rc;
  
  	if ((rc = pci_enable_device (pdev))) {
  		printk (KERN_ERR "pci_eisa : Could not enable device %s
  ",
  			pci_name(pdev));
  		return rc;
  	}
  
  	pci_eisa_root.dev              = &pdev->dev;

  	pci_eisa_root.res	       = pdev->bus->resource[0];
  	pci_eisa_root.bus_base_addr    = pdev->bus->resource[0]->start;
  	pci_eisa_root.slots	       = EISA_MAX_SLOTS;
  	pci_eisa_root.dma_mask         = pdev->dma_mask;

  	dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);

  
  	if (eisa_root_register (&pci_eisa_root)) {
  		printk (KERN_ERR "pci_eisa : Could not register EISA root
  ");
  		return -1;
  	}
  
  	return 0;
  }
  
  static struct pci_device_id pci_eisa_pci_tbl[] = {
  	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  	  PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 },
  	{ 0, }
  };
  
  static struct pci_driver pci_eisa_driver = {
  	.name		= "pci_eisa",
  	.id_table	= pci_eisa_pci_tbl,
  	.probe		= pci_eisa_init,
  };
  
  static int __init pci_eisa_init_module (void)
  {
  	return pci_register_driver (&pci_eisa_driver);
  }
  
  device_initcall(pci_eisa_init_module);
  MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl);