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1da177e4 LT |
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. | |
475be4d8 JP |
4 | * |
5 | * Functions are in dadapter.c | |
6 | * | |
7 | * Copyright 2002-2003 by Armin Schindler (mac@melware.de) | |
1da177e4 | 8 | * Copyright 2002-2003 Cytronics & Melware (info@melware.de) |
475be4d8 | 9 | * |
1da177e4 LT |
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 | ||
1da177e4 LT |
14 | #include <linux/module.h> |
15 | #include <linux/init.h> | |
16 | #include <linux/kernel.h> | |
17 | #include <linux/proc_fs.h> | |
9a58a80a | 18 | #include <linux/seq_file.h> |
457c4cbc | 19 | #include <net/net_namespace.h> |
1da177e4 LT |
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 $"; | |
28 | ||
29 | static char *DRIVERNAME = | |
475be4d8 | 30 | "Eicon DIVA - DIDD table (http://www.melware.net)"; |
1da177e4 LT |
31 | static char *DRIVERLNAME = "divadidd"; |
32 | char *DRIVERRELEASE_DIDD = "2.0"; | |
33 | ||
1da177e4 LT |
34 | MODULE_DESCRIPTION("DIDD table driver for diva drivers"); |
35 | MODULE_AUTHOR("Cytronics & Melware, Eicon Networks"); | |
36 | MODULE_SUPPORTED_DEVICE("Eicon diva drivers"); | |
37 | MODULE_LICENSE("GPL"); | |
38 | ||
39 | #define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR) | |
40 | #define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG) | |
41 | ||
42 | extern int diddfunc_init(void); | |
43 | extern void diddfunc_finit(void); | |
44 | ||
45 | extern void DIVA_DIDD_Read(void *, int); | |
46 | ||
47 | static struct proc_dir_entry *proc_didd; | |
48 | struct proc_dir_entry *proc_net_eicon = NULL; | |
49 | ||
50 | EXPORT_SYMBOL(DIVA_DIDD_Read); | |
51 | EXPORT_SYMBOL(proc_net_eicon); | |
52 | ||
53 | static char *getrev(const char *revision) | |
54 | { | |
55 | char *rev; | |
56 | char *p; | |
57 | if ((p = strchr(revision, ':'))) { | |
58 | rev = p + 2; | |
59 | p = strchr(rev, '$'); | |
60 | *--p = 0; | |
61 | } else | |
62 | rev = "1.0"; | |
63 | return rev; | |
64 | } | |
65 | ||
9a58a80a | 66 | static int divadidd_proc_show(struct seq_file *m, void *v) |
1da177e4 | 67 | { |
1da177e4 LT |
68 | char tmprev[32]; |
69 | ||
70 | strcpy(tmprev, main_revision); | |
9a58a80a AD |
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", | |
475be4d8 | 75 | diva_didd_common_code_build, DIVA_BUILD); |
9a58a80a AD |
76 | seq_printf(m, "revision : %s\n", getrev(tmprev)); |
77 | ||
78 | return 0; | |
1da177e4 LT |
79 | } |
80 | ||
9a58a80a AD |
81 | static int divadidd_proc_open(struct inode *inode, struct file *file) |
82 | { | |
83 | return single_open(file, divadidd_proc_show, NULL); | |
84 | } | |
85 | ||
86 | static const struct file_operations divadidd_proc_fops = { | |
87 | .owner = THIS_MODULE, | |
88 | .open = divadidd_proc_open, | |
89 | .read = seq_read, | |
90 | .llseek = seq_lseek, | |
91 | .release = single_release, | |
92 | }; | |
93 | ||
1da177e4 LT |
94 | static int DIVA_INIT_FUNCTION create_proc(void) |
95 | { | |
457c4cbc | 96 | proc_net_eicon = proc_mkdir("eicon", init_net.proc_net); |
1da177e4 LT |
97 | |
98 | if (proc_net_eicon) { | |
9a58a80a AD |
99 | proc_didd = proc_create(DRIVERLNAME, S_IRUGO, proc_net_eicon, |
100 | &divadidd_proc_fops); | |
1da177e4 LT |
101 | return (1); |
102 | } | |
103 | return (0); | |
104 | } | |
105 | ||
162dd3b9 | 106 | static void remove_proc(void) |
1da177e4 LT |
107 | { |
108 | remove_proc_entry(DRIVERLNAME, proc_net_eicon); | |
457c4cbc | 109 | remove_proc_entry("eicon", init_net.proc_net); |
1da177e4 LT |
110 | } |
111 | ||
112 | static int DIVA_INIT_FUNCTION divadidd_init(void) | |
113 | { | |
114 | char tmprev[32]; | |
115 | int ret = 0; | |
116 | ||
117 | printk(KERN_INFO "%s\n", DRIVERNAME); | |
118 | printk(KERN_INFO "%s: Rel:%s Rev:", DRIVERLNAME, DRIVERRELEASE_DIDD); | |
119 | strcpy(tmprev, main_revision); | |
120 | printk("%s Build:%s(%s)\n", getrev(tmprev), | |
121 | diva_didd_common_code_build, DIVA_BUILD); | |
122 | ||
123 | if (!create_proc()) { | |
124 | printk(KERN_ERR "%s: could not create proc entry\n", | |
125 | DRIVERLNAME); | |
126 | ret = -EIO; | |
127 | goto out; | |
128 | } | |
129 | ||
130 | if (!diddfunc_init()) { | |
131 | printk(KERN_ERR "%s: failed to connect to DIDD.\n", | |
132 | DRIVERLNAME); | |
133 | #ifdef MODULE | |
134 | remove_proc(); | |
135 | #endif | |
136 | ret = -EIO; | |
137 | goto out; | |
138 | } | |
139 | ||
475be4d8 | 140 | out: |
1da177e4 LT |
141 | return (ret); |
142 | } | |
143 | ||
144 | static void DIVA_EXIT_FUNCTION divadidd_exit(void) | |
145 | { | |
146 | diddfunc_finit(); | |
147 | remove_proc(); | |
148 | printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME); | |
149 | } | |
150 | ||
151 | module_init(divadidd_init); | |
152 | module_exit(divadidd_exit); |