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 LT |
31 | { |
32 | hw_regs_t hw; | |
33 | ide_hwif_t *hwif; | |
134d4548 | 34 | unsigned long base, ctl; |
1da177e4 LT |
35 | |
36 | if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0))) | |
37 | return -1; | |
38 | ||
134d4548 BZ |
39 | base = pnp_port_start(dev, 0); |
40 | ctl = pnp_port_start(dev, 1); | |
41 | ||
42 | if (!request_region(base, 8, DRV_NAME)) { | |
43 | printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", | |
44 | DRV_NAME, base, base + 7); | |
45 | return -EBUSY; | |
46 | } | |
47 | ||
48 | if (!request_region(ctl, 1, DRV_NAME)) { | |
49 | printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", | |
50 | DRV_NAME, ctl); | |
51 | release_region(base, 8); | |
52 | return -EBUSY; | |
53 | } | |
54 | ||
1da177e4 | 55 | memset(&hw, 0, sizeof(hw)); |
134d4548 | 56 | ide_std_init_ports(&hw, base, ctl); |
1da177e4 | 57 | hw.irq = pnp_irq(dev, 0); |
1da177e4 | 58 | |
59bff5ba | 59 | hwif = ide_find_port(); |
cbb010c1 BZ |
60 | if (hwif) { |
61 | u8 index = hwif->index; | |
8ac4ce74 | 62 | u8 idx[4] = { index, 0xff, 0xff, 0xff }; |
cbb010c1 BZ |
63 | |
64 | ide_init_port_data(hwif, index); | |
65 | ide_init_port_hw(hwif, &hw); | |
134d4548 | 66 | hwif->mmio = 1; |
1da177e4 | 67 | |
cbb010c1 | 68 | printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index); |
177b8fe9 | 69 | pnp_set_drvdata(dev, hwif); |
8ac4ce74 | 70 | |
c413b9b9 | 71 | ide_device_add(idx, NULL); |
8ac4ce74 | 72 | |
1da177e4 LT |
73 | return 0; |
74 | } | |
75 | ||
134d4548 BZ |
76 | release_region(ctl, 1); |
77 | release_region(base, 8); | |
78 | ||
1da177e4 LT |
79 | return -1; |
80 | } | |
81 | ||
177b8fe9 | 82 | static void idepnp_remove(struct pnp_dev *dev) |
1da177e4 LT |
83 | { |
84 | ide_hwif_t *hwif = pnp_get_drvdata(dev); | |
f82c2b17 BZ |
85 | |
86 | if (hwif) | |
93de00fd | 87 | ide_unregister(hwif->index); |
f82c2b17 | 88 | else |
1da177e4 | 89 | printk(KERN_ERR "idepnp: Unable to remove device, please report.\n"); |
134d4548 BZ |
90 | |
91 | release_region(pnp_port_start(dev, 1), 1); | |
92 | release_region(pnp_port_start(dev, 0), 8); | |
1da177e4 LT |
93 | } |
94 | ||
95 | static struct pnp_driver idepnp_driver = { | |
96 | .name = "ide", | |
97 | .id_table = idepnp_devices, | |
98 | .probe = idepnp_probe, | |
99 | .remove = idepnp_remove, | |
100 | }; | |
101 | ||
ade2daf9 | 102 | static int __init pnpide_init(void) |
1da177e4 | 103 | { |
ade2daf9 | 104 | return pnp_register_driver(&idepnp_driver); |
1da177e4 | 105 | } |
6855036a | 106 | |
ade2daf9 | 107 | static void __exit pnpide_exit(void) |
6855036a TH |
108 | { |
109 | pnp_unregister_driver(&idepnp_driver); | |
110 | } | |
ade2daf9 BZ |
111 | |
112 | module_init(pnpide_init); | |
113 | module_exit(pnpide_exit); | |
a62ee641 AB |
114 | |
115 | MODULE_LICENSE("GPL"); |