summaryrefslogtreecommitdiff
path: root/drivers/isdn/hardware/eicon/diva_didd.c
blob: 14298b8c835fedc6ea3334a461e481d64735a94a (plain)
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
/* $Id: diva_didd.c,v 1.13.6.4 2005/02/11 19:40:25 armin Exp $
 *
 * DIDD Interface module for Eicon active cards.
 * 
 * Functions are in dadapter.c 
 * 
 * Copyright 2002-2003 by Armin Schindler (mac@melware.de) 
 * Copyright 2002-2003 Cytronics & Melware (info@melware.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/init.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>

#include "platform.h"
#include "di_defs.h"
#include "dadapter.h"
#include "divasync.h"
#include "did_vers.h"

static char *main_revision = "$Revision: 1.13.6.4 $";

static char *DRIVERNAME =
    "Eicon DIVA - DIDD table (http://www.melware.net)";
static char *DRIVERLNAME = "divadidd";
char *DRIVERRELEASE_DIDD = "2.0";

MODULE_DESCRIPTION("DIDD table driver for diva drivers");
MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
MODULE_SUPPORTED_DEVICE("Eicon diva drivers");
MODULE_LICENSE("GPL");

#define DBG_MINIMUM  (DL_LOG + DL_FTL + DL_ERR)
#define DBG_DEFAULT  (DBG_MINIMUM + DL_XLOG + DL_REG)

extern int diddfunc_init(void);
extern void diddfunc_finit(void);

extern void DIVA_DIDD_Read(void *, int);

static struct proc_dir_entry *proc_didd;
struct proc_dir_entry *proc_net_eicon = NULL;

EXPORT_SYMBOL(DIVA_DIDD_Read);
EXPORT_SYMBOL(proc_net_eicon);

static char *getrev(const char *revision)
{
	char *rev;
	char *p;
	if ((p = strchr(revision, ':'))) {
		rev = p + 2;
		p = strchr(rev, '$');
		*--p = 0;
	} else
		rev = "1.0";
	return rev;
}

static int
proc_read(char *page, char **start, off_t off, int count, int *eof,
	  void *data)
{
	int len = 0;
	char tmprev[32];

	strcpy(tmprev, main_revision);
	len += sprintf(page + len, "%s\n", DRIVERNAME);
	len += sprintf(page + len, "name     : %s\n", DRIVERLNAME);
	len += sprintf(page + len, "release  : %s\n", DRIVERRELEASE_DIDD);
	len += sprintf(page + len, "build    : %s(%s)\n",
		       diva_didd_common_code_build, DIVA_BUILD);
	len += sprintf(page + len, "revision : %s\n", getrev(tmprev));

	if (off + count >= len)
		*eof = 1;
	if (len < off)
		return 0;
	*start = page + off;
	return ((count < len - off) ? count : len - off);
}

static int DIVA_INIT_FUNCTION create_proc(void)
{
	proc_net_eicon = proc_mkdir("net/eicon", NULL);

	if (proc_net_eicon) {
		if ((proc_didd =
		     create_proc_entry(DRIVERLNAME, S_IFREG | S_IRUGO,
				       proc_net_eicon))) {
			proc_didd->read_proc = proc_read;
		}
		return (1);
	}
	return (0);
}

static void DIVA_EXIT_FUNCTION remove_proc(void)
{
	remove_proc_entry(DRIVERLNAME, proc_net_eicon);
	remove_proc_entry("net/eicon", NULL);
}

static int DIVA_INIT_FUNCTION divadidd_init(void)
{
	char tmprev[32];
	int ret = 0;

	printk(KERN_INFO "%s\n", DRIVERNAME);
	printk(KERN_INFO "%s: Rel:%s  Rev:", DRIVERLNAME, DRIVERRELEASE_DIDD);
	strcpy(tmprev, main_revision);
	printk("%s  Build:%s(%s)\n", getrev(tmprev),
	       diva_didd_common_code_build, DIVA_BUILD);

	if (!create_proc()) {
		printk(KERN_ERR "%s: could not create proc entry\n",
		       DRIVERLNAME);
		ret = -EIO;
		goto out;
	}

	if (!diddfunc_init()) {
		printk(KERN_ERR "%s: failed to connect to DIDD.\n",
		       DRIVERLNAME);
#ifdef MODULE
		remove_proc();
#endif
		ret = -EIO;
		goto out;
	}

      out:
	return (ret);
}

static void DIVA_EXIT_FUNCTION divadidd_exit(void)
{
	diddfunc_finit();
	remove_proc();
	printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);
}

module_init(divadidd_init);
module_exit(divadidd_exit);