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 | ||
ee1464a4 BZ |
30 | static const struct ide_port_info ide_pnp_port_info = { |
31 | .host_flags = IDE_HFLAG_NO_DMA, | |
32 | }; | |
33 | ||
177b8fe9 | 34 | static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) |
1da177e4 | 35 | { |
48c3c107 | 36 | struct ide_host *host; |
134d4548 | 37 | unsigned long base, ctl; |
6f904d01 | 38 | int rc; |
c97c6aca | 39 | hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; |
1da177e4 | 40 | |
e193c3e1 BZ |
41 | printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n"); |
42 | ||
1da177e4 LT |
43 | if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0))) |
44 | return -1; | |
45 | ||
134d4548 BZ |
46 | base = pnp_port_start(dev, 0); |
47 | ctl = pnp_port_start(dev, 1); | |
48 | ||
49 | if (!request_region(base, 8, DRV_NAME)) { | |
50 | printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", | |
51 | DRV_NAME, base, base + 7); | |
52 | return -EBUSY; | |
53 | } | |
54 | ||
55 | if (!request_region(ctl, 1, DRV_NAME)) { | |
56 | printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", | |
57 | DRV_NAME, ctl); | |
58 | release_region(base, 8); | |
59 | return -EBUSY; | |
60 | } | |
61 | ||
1da177e4 | 62 | memset(&hw, 0, sizeof(hw)); |
134d4548 | 63 | ide_std_init_ports(&hw, base, ctl); |
1da177e4 | 64 | hw.irq = pnp_irq(dev, 0); |
d427e836 | 65 | hw.chipset = ide_generic; |
1da177e4 | 66 | |
ee1464a4 | 67 | rc = ide_host_add(&ide_pnp_port_info, hws, &host); |
6f904d01 BZ |
68 | if (rc) |
69 | goto out; | |
cbb010c1 | 70 | |
6f904d01 | 71 | pnp_set_drvdata(dev, host); |
1da177e4 | 72 | |
6f904d01 BZ |
73 | return 0; |
74 | out: | |
134d4548 BZ |
75 | release_region(ctl, 1); |
76 | release_region(base, 8); | |
77 | ||
6f904d01 | 78 | return rc; |
1da177e4 LT |
79 | } |
80 | ||
177b8fe9 | 81 | static void idepnp_remove(struct pnp_dev *dev) |
1da177e4 | 82 | { |
48c3c107 | 83 | struct ide_host *host = pnp_get_drvdata(dev); |
f82c2b17 | 84 | |
48c3c107 | 85 | ide_host_remove(host); |
134d4548 BZ |
86 | |
87 | release_region(pnp_port_start(dev, 1), 1); | |
88 | release_region(pnp_port_start(dev, 0), 8); | |
1da177e4 LT |
89 | } |
90 | ||
91 | static struct pnp_driver idepnp_driver = { | |
92 | .name = "ide", | |
93 | .id_table = idepnp_devices, | |
94 | .probe = idepnp_probe, | |
95 | .remove = idepnp_remove, | |
96 | }; | |
97 | ||
ade2daf9 | 98 | static int __init pnpide_init(void) |
1da177e4 | 99 | { |
ade2daf9 | 100 | return pnp_register_driver(&idepnp_driver); |
1da177e4 | 101 | } |
6855036a | 102 | |
ade2daf9 | 103 | static void __exit pnpide_exit(void) |
6855036a TH |
104 | { |
105 | pnp_unregister_driver(&idepnp_driver); | |
106 | } | |
ade2daf9 BZ |
107 | |
108 | module_init(pnpide_init); | |
109 | module_exit(pnpide_exit); | |
a62ee641 AB |
110 | |
111 | MODULE_LICENSE("GPL"); |