blob: 664bc489c550ccb8ca29efe434d321ee78026b7a [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/drivers/ide/ide-pnp.c
3 *
4 * This file provides autodetection for ISA PnP IDE interfaces.
5 * It was tested with "ESS ES1868 Plug and Play AudioDrive" IDE interface.
6 *
7 * Copyright (C) 2000 Andrey Panin <pazke@donpac.ru>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2, or (at your option)
12 * any later version.
13 *
14 * You should have received a copy of the GNU General Public License
15 * (for example /usr/src/linux/COPYING); if not, write to the Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19#include <linux/init.h>
20#include <linux/pnp.h>
21#include <linux/ide.h>
22
23/* Add your devices here :)) */
24static struct pnp_device_id idepnp_devices[] = {
25 /* Generic ESDI/IDE/ATA compatible hard disk controller */
26 {.id = "PNP0600", .driver_data = 0},
27 {.id = ""}
28};
29
30static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id)
31{
32 hw_regs_t hw;
33 ide_hwif_t *hwif;
Linus Torvalds1da177e2005-04-16 15:20:36 -070034
35 if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0)))
36 return -1;
37
38 memset(&hw, 0, sizeof(hw));
39 ide_std_init_ports(&hw, pnp_port_start(dev, 0),
40 pnp_port_start(dev, 1));
41 hw.irq = pnp_irq(dev, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
Bartlomiej Zolnierkiewiczcbb010c2008-01-26 20:13:06 +010043 hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
44 if (hwif) {
45 u8 index = hwif->index;
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
Bartlomiej Zolnierkiewiczcbb010c2008-01-26 20:13:06 +010047 ide_init_port_data(hwif, index);
48 ide_init_port_hw(hwif, &hw);
49
50 printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 pnp_set_drvdata(dev,hwif);
52 return 0;
53 }
54
55 return -1;
56}
57
58static void idepnp_remove(struct pnp_dev * dev)
59{
60 ide_hwif_t *hwif = pnp_get_drvdata(dev);
61 if (hwif) {
62 ide_unregister(hwif->index);
63 } else
64 printk(KERN_ERR "idepnp: Unable to remove device, please report.\n");
65}
66
67static struct pnp_driver idepnp_driver = {
68 .name = "ide",
69 .id_table = idepnp_devices,
70 .probe = idepnp_probe,
71 .remove = idepnp_remove,
72};
73
74void __init pnpide_init(void)
75{
76 pnp_register_driver(&idepnp_driver);
77}
Tejun Heo68550362007-01-27 13:47:02 +010078
79void __exit pnpide_exit(void)
80{
81 pnp_unregister_driver(&idepnp_driver);
82}