1 /* $Id: diva_didd.c,v 1.13.6.4 2005/02/11 19:40:25 armin Exp $
2 *
3 * DIDD Interface module for Eicon active cards.
4 *
5 * Functions are in dadapter.c
6 *
7 * Copyright 2002-2003 by Armin Schindler (mac@melware.de)
8 * Copyright 2002-2003 Cytronics & Melware (info@melware.de)
9 *
10 * This software may be used and distributed according to the terms
11 * of the GNU General Public License, incorporated herein by reference.
12 */
13
14 #include <linux/module.h>
15 #include <linux/init.h>
16 #include <linux/kernel.h>
17 #include <linux/proc_fs.h>
18 #include <linux/seq_file.h>
19 #include <net/net_namespace.h>
20
21 #include "platform.h"
22 #include "di_defs.h"
23 #include "dadapter.h"
24 #include "divasync.h"
25 #include "did_vers.h"
26
27 static char *main_revision = "$Revision: 1.13.6.4 $";
28
29 static char *DRIVERNAME =
30 "Eicon DIVA - DIDD table (http://www.melware.net)";
31 static char *DRIVERLNAME = "divadidd";
32 char *DRIVERRELEASE_DIDD = "2.0";
33
34 MODULE_DESCRIPTION("DIDD table driver for diva drivers");
35 MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
36 MODULE_SUPPORTED_DEVICE("Eicon diva drivers");
37 MODULE_LICENSE("GPL");
38
39 #define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR)
40 #define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG)
41
42 extern int diddfunc_init(void);
43 extern void diddfunc_finit(void);
44
45 extern void DIVA_DIDD_Read(void *, int);
46
47 static struct proc_dir_entry *proc_didd;
48 struct proc_dir_entry *proc_net_eicon = NULL;
49
50 EXPORT_SYMBOL(DIVA_DIDD_Read);
51 EXPORT_SYMBOL(proc_net_eicon);
52
getrev(const char * revision)53 static char *getrev(const char *revision)
54 {
55 char *rev;
56 char *p;
57 if ((p = strchr(revision, ':'))) {
58 rev = p + 2;
59 p = strchr(rev, '$');
60 *--p = 0;
61 } else
62 rev = "1.0";
63 return rev;
64 }
65
divadidd_proc_show(struct seq_file * m,void * v)66 static int divadidd_proc_show(struct seq_file *m, void *v)
67 {
68 char tmprev[32];
69
70 strcpy(tmprev, main_revision);
71 seq_printf(m, "%s\n", DRIVERNAME);
72 seq_printf(m, "name : %s\n", DRIVERLNAME);
73 seq_printf(m, "release : %s\n", DRIVERRELEASE_DIDD);
74 seq_printf(m, "build : %s(%s)\n",
75 diva_didd_common_code_build, DIVA_BUILD);
76 seq_printf(m, "revision : %s\n", getrev(tmprev));
77
78 return 0;
79 }
80
create_proc(void)81 static int __init create_proc(void)
82 {
83 proc_net_eicon = proc_mkdir("eicon", init_net.proc_net);
84
85 if (proc_net_eicon) {
86 proc_didd = proc_create_single(DRIVERLNAME, S_IRUGO,
87 proc_net_eicon, divadidd_proc_show);
88 return (1);
89 }
90 return (0);
91 }
92
remove_proc(void)93 static void remove_proc(void)
94 {
95 remove_proc_entry(DRIVERLNAME, proc_net_eicon);
96 remove_proc_entry("eicon", init_net.proc_net);
97 }
98
divadidd_init(void)99 static int __init divadidd_init(void)
100 {
101 char tmprev[32];
102 int ret = 0;
103
104 printk(KERN_INFO "%s\n", DRIVERNAME);
105 printk(KERN_INFO "%s: Rel:%s Rev:", DRIVERLNAME, DRIVERRELEASE_DIDD);
106 strcpy(tmprev, main_revision);
107 printk("%s Build:%s(%s)\n", getrev(tmprev),
108 diva_didd_common_code_build, DIVA_BUILD);
109
110 if (!create_proc()) {
111 printk(KERN_ERR "%s: could not create proc entry\n",
112 DRIVERLNAME);
113 ret = -EIO;
114 goto out;
115 }
116
117 if (!diddfunc_init()) {
118 printk(KERN_ERR "%s: failed to connect to DIDD.\n",
119 DRIVERLNAME);
120 #ifdef MODULE
121 remove_proc();
122 #endif
123 ret = -EIO;
124 goto out;
125 }
126
127 out:
128 return (ret);
129 }
130
divadidd_exit(void)131 static void __exit divadidd_exit(void)
132 {
133 diddfunc_finit();
134 remove_proc();
135 printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);
136 }
137
138 module_init(divadidd_init);
139 module_exit(divadidd_exit);
140