linux/drivers/eisa/pci_eisa.c

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/*
* 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\n",
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\n");
return -1;
}
return 0;
}
static struct pci_device_id __initdata 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 __initdata 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);