Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * This file provides autodetection for ISA PnP IDE interfaces. |
3 | * It was tested with "ESS ES1868 Plug and Play AudioDrive" IDE interface. | |
4 | * | |
5 | * Copyright (C) 2000 Andrey Panin <pazke@donpac.ru> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * You should have received a copy of the GNU General Public License | |
13 | * (for example /usr/src/linux/COPYING); if not, write to the Free | |
177b8fe9 | 14 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
1da177e4 LT |
15 | */ |
16 | ||
17 | #include <linux/init.h> | |
18 | #include <linux/pnp.h> | |
19 | #include <linux/ide.h> | |
20 | ||
134d4548 BZ |
21 | #define DRV_NAME "ide-pnp" |
22 | ||
1da177e4 LT |
23 | /* Add your devices here :)) */ |
24 | static struct pnp_device_id idepnp_devices[] = { | |
177b8fe9 | 25 | /* Generic ESDI/IDE/ATA compatible hard disk controller */ |
1da177e4 LT |
26 | {.id = "PNP0600", .driver_data = 0}, |
27 | {.id = ""} | |
28 | }; | |
29 | ||
177b8fe9 | 30 | static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) |
1da177e4 | 31 | { |
48c3c107 | 32 | struct ide_host *host; |
134d4548 | 33 | unsigned long base, ctl; |
6f904d01 | 34 | int rc; |
c97c6aca | 35 | hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; |
1da177e4 | 36 | |
e193c3e1 BZ |
37 | printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n"); |
38 | ||
1da177e4 LT |
39 | if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0))) |
40 | return -1; | |
41 | ||
134d4548 BZ |
42 | base = pnp_port_start(dev, 0); |
43 | ctl = pnp_port_start(dev, 1); | |
44 | ||
45 | if (!request_region(base, 8, DRV_NAME)) { | |
46 | printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", | |
47 | DRV_NAME, base, base + 7); | |
48 | return -EBUSY; | |
49 | } | |
50 | ||
51 | if (!request_region(ctl, 1, DRV_NAME)) { | |
52 | printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", | |
53 | DRV_NAME, ctl); | |
54 | release_region(base, 8); | |
55 | return -EBUSY; | |
56 | } | |
57 | ||
1da177e4 | 58 | memset(&hw, 0, sizeof(hw)); |
134d4548 | 59 | ide_std_init_ports(&hw, base, ctl); |
1da177e4 | 60 | hw.irq = pnp_irq(dev, 0); |
d427e836 | 61 | hw.chipset = ide_generic; |
1da177e4 | 62 | |
6f904d01 BZ |
63 | rc = ide_host_add(NULL, hws, &host); |
64 | if (rc) | |
65 | goto out; | |
cbb010c1 | 66 | |
6f904d01 | 67 | pnp_set_drvdata(dev, host); |
1da177e4 | 68 | |
6f904d01 BZ |
69 | return 0; |
70 | out: | |
134d4548 BZ |
71 | release_region(ctl, 1); |
72 | release_region(base, 8); | |
73 | ||
6f904d01 | 74 | return rc; |
1da177e4 LT |
75 | } |
76 | ||
177b8fe9 | 77 | static void idepnp_remove(struct pnp_dev *dev) |
1da177e4 | 78 | { |
48c3c107 | 79 | struct ide_host *host = pnp_get_drvdata(dev); |
f82c2b17 | 80 | |
48c3c107 | 81 | ide_host_remove(host); |
134d4548 BZ |
82 | |
83 | release_region(pnp_port_start(dev, 1), 1); | |
84 | release_region(pnp_port_start(dev, 0), 8); | |
1da177e4 LT |
85 | } |
86 | ||
87 | static struct pnp_driver idepnp_driver = { | |
88 | .name = "ide", | |
89 | .id_table = idepnp_devices, | |
90 | .probe = idepnp_probe, | |
91 | .remove = idepnp_remove, | |
92 | }; | |
93 | ||
ade2daf9 | 94 | static int __init pnpide_init(void) |
1da177e4 | 95 | { |
ade2daf9 | 96 | return pnp_register_driver(&idepnp_driver); |
1da177e4 | 97 | } |
6855036a | 98 | |
ade2daf9 | 99 | static void __exit pnpide_exit(void) |
6855036a TH |
100 | { |
101 | pnp_unregister_driver(&idepnp_driver); | |
102 | } | |
ade2daf9 BZ |
103 | |
104 | module_init(pnpide_init); | |
105 | module_exit(pnpide_exit); | |
a62ee641 AB |
106 | |
107 | MODULE_LICENSE("GPL"); |