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/drivers/eisa/pci_eisa.c

https://bitbucket.org/ndreys/linux-sunxi
C | 66 lines | 44 code | 11 blank | 11 comment | 2 complexity | 90b83afb88e0c1b95d98b85d6afc55f8 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 1/*
 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
22static int __init pci_eisa_init(struct pci_dev *pdev,
23				const struct pci_device_id *ent)
24{
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;
34	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;
38	dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);
39
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);