1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
* linux/drivers/ide/ide-pnp.c
*
* This file provides autodetection for ISA PnP IDE interfaces.
* It was tested with "ESS ES1868 Plug and Play AudioDrive" IDE interface.
*
* Copyright (C) 2000 Andrey Panin <pazke@donpac.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* You should have received a copy of the GNU General Public License
* (for example /usr/src/linux/COPYING); if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/pnp.h>
#include <linux/ide.h>
/* Add your devices here :)) */
static struct pnp_device_id idepnp_devices[] = {
/* Generic ESDI/IDE/ATA compatible hard disk controller */
{.id = "PNP0600", .driver_data = 0},
{.id = ""}
};
static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id)
{
hw_regs_t hw;
ide_hwif_t *hwif;
if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0)))
return -1;
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, pnp_port_start(dev, 0),
pnp_port_start(dev, 1));
hw.irq = pnp_irq(dev, 0);
hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
if (hwif) {
u8 index = hwif->index;
u8 idx[4] = { index, 0xff, 0xff, 0xff };
ide_init_port_data(hwif, index);
ide_init_port_hw(hwif, &hw);
printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);
pnp_set_drvdata(dev,hwif);
ide_device_add(idx);
return 0;
}
return -1;
}
static void idepnp_remove(struct pnp_dev * dev)
{
ide_hwif_t *hwif = pnp_get_drvdata(dev);
if (hwif) {
ide_unregister(hwif->index);
} else
printk(KERN_ERR "idepnp: Unable to remove device, please report.\n");
}
static struct pnp_driver idepnp_driver = {
.name = "ide",
.id_table = idepnp_devices,
.probe = idepnp_probe,
.remove = idepnp_remove,
};
void __init pnpide_init(void)
{
pnp_register_driver(&idepnp_driver);
}
void __exit pnpide_exit(void)
{
pnp_unregister_driver(&idepnp_driver);
}
|
