blob: d1d3de03ccede005b1bfc358aee851a73869861e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $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.
Joe Perches475be4d2012-02-19 19:52:38 -08004 *
5 * Functions are in dadapter.c
6 *
7 * Copyright 2002-2003 by Armin Schindler (mac@melware.de)
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 * Copyright 2002-2003 Cytronics & Melware (info@melware.de)
Joe Perches475be4d2012-02-19 19:52:38 -08009 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070010 * This software may be used and distributed according to the terms
11 * of the GNU General Public License, incorporated herein by reference.
12 */
13
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#include <linux/module.h>
15#include <linux/init.h>
16#include <linux/kernel.h>
17#include <linux/proc_fs.h>
Alexey Dobriyan9a58a802010-01-14 03:10:54 -080018#include <linux/seq_file.h>
Eric W. Biederman457c4cb2007-09-12 12:01:34 +020019#include <net/net_namespace.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
21#include "platform.h"
22#include "di_defs.h"
23#include "dadapter.h"
24#include "divasync.h"
25#include "did_vers.h"
26
27static char *main_revision = "$Revision: 1.13.6.4 $";
28
29static char *DRIVERNAME =
Joe Perches475be4d2012-02-19 19:52:38 -080030 "Eicon DIVA - DIDD table (http://www.melware.net)";
Linus Torvalds1da177e2005-04-16 15:20:36 -070031static char *DRIVERLNAME = "divadidd";
32char *DRIVERRELEASE_DIDD = "2.0";
33
Linus Torvalds1da177e2005-04-16 15:20:36 -070034MODULE_DESCRIPTION("DIDD table driver for diva drivers");
35MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
36MODULE_SUPPORTED_DEVICE("Eicon diva drivers");
37MODULE_LICENSE("GPL");
38
39#define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR)
40#define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG)
41
42extern int diddfunc_init(void);
43extern void diddfunc_finit(void);
44
45extern void DIVA_DIDD_Read(void *, int);
46
47static struct proc_dir_entry *proc_didd;
48struct proc_dir_entry *proc_net_eicon = NULL;
49
50EXPORT_SYMBOL(DIVA_DIDD_Read);
51EXPORT_SYMBOL(proc_net_eicon);
52
53static char *getrev(const char *revision)
54{
55 char *rev;
56 char *p;
57 if ((p = strchr(revision, ':'))) {
58 rev = p + 2;
59 p = strchr(rev, '$');
60 *--p = 0;
61 } else
62 rev = "1.0";
63 return rev;
64}
65
Alexey Dobriyan9a58a802010-01-14 03:10:54 -080066static int divadidd_proc_show(struct seq_file *m, void *v)
Linus Torvalds1da177e2005-04-16 15:20:36 -070067{
Linus Torvalds1da177e2005-04-16 15:20:36 -070068 char tmprev[32];
69
70 strcpy(tmprev, main_revision);
Alexey Dobriyan9a58a802010-01-14 03:10:54 -080071 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",
Joe Perches475be4d2012-02-19 19:52:38 -080075 diva_didd_common_code_build, DIVA_BUILD);
Alexey Dobriyan9a58a802010-01-14 03:10:54 -080076 seq_printf(m, "revision : %s\n", getrev(tmprev));
Linus Torvalds1da177e2005-04-16 15:20:36 -070077
Alexey Dobriyan9a58a802010-01-14 03:10:54 -080078 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070079}
80
Alexey Dobriyan9a58a802010-01-14 03:10:54 -080081static int divadidd_proc_open(struct inode *inode, struct file *file)
82{
83 return single_open(file, divadidd_proc_show, NULL);
84}
85
86static 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070094static int DIVA_INIT_FUNCTION create_proc(void)
95{
Eric W. Biederman457c4cb2007-09-12 12:01:34 +020096 proc_net_eicon = proc_mkdir("eicon", init_net.proc_net);
Linus Torvalds1da177e2005-04-16 15:20:36 -070097
98 if (proc_net_eicon) {
Alexey Dobriyan9a58a802010-01-14 03:10:54 -080099 proc_didd = proc_create(DRIVERLNAME, S_IRUGO, proc_net_eicon,
100 &divadidd_proc_fops);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101 return (1);
102 }
103 return (0);
104}
105
Sam Ravnborg162dd3b2007-06-01 00:47:11 -0700106static void remove_proc(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107{
108 remove_proc_entry(DRIVERLNAME, proc_net_eicon);
Eric W. Biederman457c4cb2007-09-12 12:01:34 +0200109 remove_proc_entry("eicon", init_net.proc_net);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110}
111
112static 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
Joe Perches475be4d2012-02-19 19:52:38 -0800140out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141 return (ret);
142}
143
144static 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
151module_init(divadidd_init);
152module_exit(divadidd_exit);