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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/* $Id: b1isa.c,v 1.1.2.3 2004/02/10 01:07:12 keil Exp $
*
* Module for AVM B1 ISA-card.
*
* Copyright 1999 by Carsten Paeth <calle@calle.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/capi.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <asm/io.h>
#include <linux/isdn/capicmd.h>
#include <linux/isdn/capiutil.h>
#include <linux/isdn/capilli.h>
#include "avmcard.h"
/* ------------------------------------------------------------- */
static char *revision = "$Revision: 1.1.2.3 $";
/* ------------------------------------------------------------- */
MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 ISA card");
MODULE_AUTHOR("Carsten Paeth");
MODULE_LICENSE("GPL");
/* ------------------------------------------------------------- */
static void b1isa_remove(struct pci_dev *pdev)
{
avmctrl_info *cinfo = pci_get_drvdata(pdev);
avmcard *card;
if (!cinfo)
return;
card = cinfo->card;
b1_reset(card->port);
b1_reset(card->port);
detach_capi_ctr(&cinfo->capi_ctrl);
free_irq(card->irq, card);
release_region(card->port, AVMB1_PORTLEN);
b1_free_card(card);
}
/* ------------------------------------------------------------- */
static char *b1isa_procinfo(struct capi_ctr *ctrl);
static int b1isa_probe(struct pci_dev *pdev)
{
avmctrl_info *cinfo;
avmcard *card;
int retval;
card = b1_alloc_card(1);
if (!card) {
printk(KERN_WARNING "b1isa: no memory.\n");
retval = -ENOMEM;
goto err;
}
cinfo = card->ctrlinfo;
card->port = pci_resource_start(pdev, 0);
card->irq = pdev->irq;
card->cardtype = avm_b1isa;
sprintf(card->name, "b1isa-%x", card->port);
if ( card->port != 0x150 && card->port != 0x250
&& card->port != 0x300 && card->port != 0x340) {
printk(KERN_WARNING "b1isa: invalid port 0x%x.\n", card->port);
retval = -EINVAL;
goto err_free;
}
if (b1_irq_table[card->irq & 0xf] == 0) {
printk(KERN_WARNING "b1isa: irq %d not valid.\n", card->irq);
retval = -EINVAL;
goto err_free;
}
if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
printk(KERN_WARNING "b1isa: ports 0x%03x-0x%03x in use.\n",
card->port, card->port + AVMB1_PORTLEN);
retval = -EBUSY;
goto err_free;
}
retval = request_irq(card->irq, b1_interrupt, 0, card->name, card);
if (retval) {
printk(KERN_ERR "b1isa: unable to get IRQ %d.\n", card->irq);
goto err_release_region;
}
b1_reset(card->port);
if ((retval = b1_detect(card->port, card->cardtype)) != 0) {
printk(KERN_NOTICE "b1isa: NO card at 0x%x (%d)\n",
card->port, retval);
retval = -ENODEV;
goto err_free_irq;
}
b1_reset(card->port);
b1_getrevision(card);
cinfo->capi_ctrl.owner = THIS_MODULE;
cinfo->capi_ctrl.driver_name = "b1isa";
cinfo->capi_ctrl.driverdata = cinfo;
cinfo->capi_ctrl.register_appl = b1_register_appl;
cinfo->capi_ctrl.release_appl = b1_release_appl;
cinfo->capi_ctrl.send_message = b1_send_message;
cinfo->capi_ctrl.load_firmware = b1_load_firmware;
cinfo->capi_ctrl.reset_ctr = b1_reset_ctr;
cinfo->capi_ctrl.procinfo = b1isa_procinfo;
cinfo->capi_ctrl.ctr_read_proc = b1ctl_read_proc;
strcpy(cinfo->capi_ctrl.name, card->name);
retval = attach_capi_ctr(&cinfo->capi_ctrl);
if (retval) {
printk(KERN_ERR "b1isa: attach controller failed.\n");
goto err_free_irq;
}
printk(KERN_INFO "b1isa: AVM B1 ISA at i/o %#x, irq %d, revision %d\n",
card->port, card->irq, card->revision);
pci_set_drvdata(pdev, cinfo);
return 0;
err_free_irq:
free_irq(card->irq, card);
err_release_region:
release_region(card->port, AVMB1_PORTLEN);
err_free:
b1_free_card(card);
err:
return retval;
}
static char *b1isa_procinfo(struct capi_ctr *ctrl)
{
avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
if (!cinfo)
return "";
sprintf(cinfo->infobuf, "%s %s 0x%x %d r%d",
cinfo->cardname[0] ? cinfo->cardname : "-",
cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
cinfo->card ? cinfo->card->port : 0x0,
cinfo->card ? cinfo->card->irq : 0,
cinfo->card ? cinfo->card->revision : 0
);
return cinfo->infobuf;
}
/* ------------------------------------------------------------- */
#define MAX_CARDS 4
static struct pci_dev isa_dev[MAX_CARDS];
static int io[MAX_CARDS];
static int irq[MAX_CARDS];
MODULE_PARM(io, "1-" __MODULE_STRING(MAX_CARDS) "i");
MODULE_PARM(irq, "1-" __MODULE_STRING(MAX_CARDS) "i");
MODULE_PARM_DESC(io, "I/O base address(es)");
MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)");
static int b1isa_add_card(struct capi_driver *driver, capicardparams *data)
{
int i;
for (i = 0; i < MAX_CARDS; i++) {
if (isa_dev[i].resource[0].start)
continue;
isa_dev[i].resource[0].start = data->port;
isa_dev[i].irq = data->irq;
if (b1isa_probe(&isa_dev[i]) == 0)
return 0;
}
return -ENODEV;
}
static struct capi_driver capi_driver_b1isa = {
.name = "b1isa",
.revision = "1.0",
.add_card = b1isa_add_card,
};
static int __init b1isa_init(void)
{
char *p;
char rev[32];
int i;
if ((p = strchr(revision, ':')) != 0 && p[1]) {
strlcpy(rev, p + 2, 32);
if ((p = strchr(rev, '$')) != 0 && p > rev)
*(p-1) = 0;
} else
strcpy(rev, "1.0");
for (i = 0; i < MAX_CARDS; i++) {
if (!io[i])
break;
isa_dev[i].resource[0].start = io[i];
isa_dev[i].irq = irq[i];
if (b1isa_probe(&isa_dev[i]) != 0)
return -ENODEV;
}
strlcpy(capi_driver_b1isa.revision, rev, 32);
register_capi_driver(&capi_driver_b1isa);
printk(KERN_INFO "b1isa: revision %s\n", rev);
return 0;
}
static void __exit b1isa_exit(void)
{
int i;
for (i = 0; i < MAX_CARDS; i++) {
if (!io[i])
break;
b1isa_remove(&isa_dev[i]);
}
unregister_capi_driver(&capi_driver_b1isa);
}
module_init(b1isa_init);
module_exit(b1isa_exit);
|
