blob: 0dd0f633b18ddabbcfb55f095b7631eeee177fea [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Minimalist driver for a generic PCI-to-EISA bridge.
3 *
4 * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
5 *
6 * This code is released under the GPL version 2.
7 *
8 * Ivan Kokshaysky <ink@jurassic.park.msu.ru> :
9 * Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA.
10 */
11
12#include <linux/kernel.h>
13#include <linux/device.h>
14#include <linux/eisa.h>
15#include <linux/pci.h>
16#include <linux/module.h>
17#include <linux/init.h>
18
19/* There is only *one* pci_eisa device per machine, right ? */
20static struct eisa_root_device pci_eisa_root;
21
Adrian Bunk74b9a292007-03-26 21:32:27 -080022static int __init pci_eisa_init(struct pci_dev *pdev,
23 const struct pci_device_id *ent)
Linus Torvalds1da177e2005-04-16 15:20:36 -070024{
25 int rc;
26
27 if ((rc = pci_enable_device (pdev))) {
28 printk (KERN_ERR "pci_eisa : Could not enable device %s\n",
29 pci_name(pdev));
30 return rc;
31 }
32
33 pci_eisa_root.dev = &pdev->dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 pci_eisa_root.res = pdev->bus->resource[0];
35 pci_eisa_root.bus_base_addr = pdev->bus->resource[0]->start;
36 pci_eisa_root.slots = EISA_MAX_SLOTS;
37 pci_eisa_root.dma_mask = pdev->dma_mask;
Greg Kroah-Hartman4b9d0d32009-04-30 14:43:31 -070038 dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40 if (eisa_root_register (&pci_eisa_root)) {
41 printk (KERN_ERR "pci_eisa : Could not register EISA root\n");
42 return -1;
43 }
44
45 return 0;
46}
47
48static struct pci_device_id pci_eisa_pci_tbl[] = {
49 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
50 PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 },
51 { 0, }
52};
53
54static struct pci_driver pci_eisa_driver = {
55 .name = "pci_eisa",
56 .id_table = pci_eisa_pci_tbl,
57 .probe = pci_eisa_init,
58};
59
60static int __init pci_eisa_init_module (void)
61{
62 return pci_register_driver (&pci_eisa_driver);
63}
64
65device_initcall(pci_eisa_init_module);
66MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl);