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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* Created 20 Oct 2004 by Mark Lord
*
* Basic support for Delkin/ASKA/Workbit Cardbus CompactFlash adapter
*
* Modeled after the 16-bit PCMCIA driver: ide-cs.c
*
* This is slightly peculiar, in that it is a PCI driver,
* but is NOT an IDE PCI driver -- the IDE layer does not directly
* support hot insertion/removal of PCI interfaces, so this driver
* is unable to use the IDE PCI interfaces. Instead, it uses the
* same interfaces as the ide-cs (PCMCIA) driver uses.
* On the plus side, the driver is also smaller/simpler this way.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*/
#include <linux/types.h>
#include <linux/module.h>
#include <linux/ide.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <asm/io.h>
/*
* No chip documentation has yet been found,
* so these configuration values were pulled from
* a running Win98 system using "debug".
* This gives around 3MByte/second read performance,
* which is about 2/3 of what the chip is capable of.
*
* There is also a 4KByte mmio region on the card,
* but its purpose has yet to be reverse-engineered.
*/
static const u8 setup[] = {
0x00, 0x05, 0xbe, 0x01, 0x20, 0x8f, 0x00, 0x00,
0xa4, 0x1f, 0xb3, 0x1b, 0x00, 0x00, 0x00, 0x80,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xa4, 0x83, 0x02, 0x13,
};
static const struct ide_port_ops delkin_cb_port_ops = {
.quirkproc = ide_undecoded_slave,
};
static const struct ide_port_info delkin_cb_port_info = {
.port_ops = &delkin_cb_port_ops,
.host_flags = IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS |
IDE_HFLAG_NO_DMA,
};
static int __devinit
delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
{
struct ide_host *host;
unsigned long base;
int i, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
rc = pci_enable_device(dev);
if (rc) {
printk(KERN_ERR "delkin_cb: pci_enable_device failed (%d)\n", rc);
return rc;
}
rc = pci_request_regions(dev, "delkin_cb");
if (rc) {
printk(KERN_ERR "delkin_cb: pci_request_regions failed (%d)\n", rc);
pci_disable_device(dev);
return rc;
}
base = pci_resource_start(dev, 0);
outb(0x02, base + 0x1e); /* set nIEN to block interrupts */
inb(base + 0x17); /* read status to clear interrupts */
for (i = 0; i < sizeof(setup); ++i) {
if (setup[i])
outb(setup[i], base + i);
}
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, base + 0x10, base + 0x1e);
hw.irq = dev->irq;
hw.dev = &dev->dev;
hw.chipset = ide_pci; /* this enables IRQ sharing */
rc = ide_host_add(&delkin_cb_port_info, hws, &host);
if (rc)
goto out_disable;
pci_set_drvdata(dev, host);
return 0;
out_disable:
pci_release_regions(dev);
pci_disable_device(dev);
return rc;
}
static void
delkin_cb_remove (struct pci_dev *dev)
{
struct ide_host *host = pci_get_drvdata(dev);
ide_host_remove(host);
pci_release_regions(dev);
pci_disable_device(dev);
}
static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = {
{ 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, delkin_cb_pci_tbl);
static struct pci_driver delkin_cb_pci_driver = {
.name = "Delkin-ASKA-Workbit Cardbus IDE",
.id_table = delkin_cb_pci_tbl,
.probe = delkin_cb_probe,
.remove = delkin_cb_remove,
};
static int __init delkin_cb_init(void)
{
return pci_register_driver(&delkin_cb_pci_driver);
}
static void __exit delkin_cb_exit(void)
{
pci_unregister_driver(&delkin_cb_pci_driver);
}
module_init(delkin_cb_init);
module_exit(delkin_cb_exit);
MODULE_AUTHOR("Mark Lord");
MODULE_DESCRIPTION("Basic support for Delkin/ASKA/Workbit Cardbus IDE");
MODULE_LICENSE("GPL");
|
