Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
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 :)) */ | |
24 | static 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 | ||
30 | static 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; | |
1da177e4 LT |
34 | |
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); | |
1da177e4 | 42 | |
cbb010c1 BZ |
43 | hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]); |
44 | if (hwif) { | |
45 | u8 index = hwif->index; | |
8ac4ce74 | 46 | u8 idx[4] = { index, 0xff, 0xff, 0xff }; |
cbb010c1 BZ |
47 | |
48 | ide_init_port_data(hwif, index); | |
49 | ide_init_port_hw(hwif, &hw); | |
1da177e4 | 50 | |
cbb010c1 | 51 | printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index); |
1da177e4 | 52 | pnp_set_drvdata(dev,hwif); |
8ac4ce74 BZ |
53 | |
54 | ide_device_add(idx); | |
55 | ||
1da177e4 LT |
56 | return 0; |
57 | } | |
58 | ||
59 | return -1; | |
60 | } | |
61 | ||
62 | static void idepnp_remove(struct pnp_dev * dev) | |
63 | { | |
64 | ide_hwif_t *hwif = pnp_get_drvdata(dev); | |
65 | if (hwif) { | |
66 | ide_unregister(hwif->index); | |
67 | } else | |
68 | printk(KERN_ERR "idepnp: Unable to remove device, please report.\n"); | |
69 | } | |
70 | ||
71 | static struct pnp_driver idepnp_driver = { | |
72 | .name = "ide", | |
73 | .id_table = idepnp_devices, | |
74 | .probe = idepnp_probe, | |
75 | .remove = idepnp_remove, | |
76 | }; | |
77 | ||
78 | void __init pnpide_init(void) | |
79 | { | |
80 | pnp_register_driver(&idepnp_driver); | |
81 | } | |
6855036a TH |
82 | |
83 | void __exit pnpide_exit(void) | |
84 | { | |
85 | pnp_unregister_driver(&idepnp_driver); | |
86 | } |