1 /* $Id: capimain.c,v 1.24 2003/09/09 06:51:05 schindler Exp $
2 *
3 * ISDN interface module for Eicon active cards DIVA.
4 * CAPI Interface
5 *
6 * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
7 * Copyright 2000-2003 Cytronics & Melware (info@melware.de)
8 *
9 * This software may be used and distributed according to the terms
10 * of the GNU General Public License, incorporated herein by reference.
11 */
12
13 #include <linux/module.h>
14 #include <linux/slab.h>
15 #include <linux/init.h>
16 #include <asm/uaccess.h>
17 #include <linux/seq_file.h>
18 #include <linux/skbuff.h>
19
20 #include "os_capi.h"
21
22 #include "platform.h"
23 #include "di_defs.h"
24 #include "capi20.h"
25 #include "divacapi.h"
26 #include "cp_vers.h"
27 #include "capifunc.h"
28
29 static char *main_revision = "$Revision: 1.24 $";
30 static char *DRIVERNAME =
31 "Eicon DIVA - CAPI Interface driver (http://www.melware.net)";
32 static char *DRIVERLNAME = "divacapi";
33
34 MODULE_DESCRIPTION("CAPI driver for Eicon DIVA cards");
35 MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
36 MODULE_SUPPORTED_DEVICE("CAPI and DIVA card drivers");
37 MODULE_LICENSE("GPL");
38
39 /*
40 * get revision number from revision string
41 */
getrev(const char * revision)42 static char *getrev(const char *revision)
43 {
44 char *rev;
45 char *p;
46 if ((p = strchr(revision, ':'))) {
47 rev = p + 2;
48 p = strchr(rev, '$');
49 *--p = 0;
50 } else
51 rev = "1.0";
52 return rev;
53
54 }
55
56 /*
57 * alloc a message buffer
58 */
diva_os_alloc_message_buffer(unsigned long size,void ** data_buf)59 diva_os_message_buffer_s *diva_os_alloc_message_buffer(unsigned long size,
60 void **data_buf)
61 {
62 diva_os_message_buffer_s *dmb = alloc_skb(size, GFP_ATOMIC);
63 if (dmb) {
64 *data_buf = skb_put(dmb, size);
65 }
66 return (dmb);
67 }
68
69 /*
70 * free a message buffer
71 */
diva_os_free_message_buffer(diva_os_message_buffer_s * dmb)72 void diva_os_free_message_buffer(diva_os_message_buffer_s *dmb)
73 {
74 kfree_skb(dmb);
75 }
76
77 /*
78 * proc function for controller info
79 */
diva_ctl_proc_show(struct seq_file * m,void * v)80 static int diva_ctl_proc_show(struct seq_file *m, void *v)
81 {
82 struct capi_ctr *ctrl = m->private;
83 diva_card *card = (diva_card *) ctrl->driverdata;
84
85 seq_printf(m, "%s\n", ctrl->name);
86 seq_printf(m, "Serial No. : %s\n", ctrl->serial);
87 seq_printf(m, "Id : %d\n", card->Id);
88 seq_printf(m, "Channels : %d\n", card->d.channels);
89
90 return 0;
91 }
92
diva_ctl_proc_open(struct inode * inode,struct file * file)93 static int diva_ctl_proc_open(struct inode *inode, struct file *file)
94 {
95 return single_open(file, diva_ctl_proc_show, NULL);
96 }
97
98 static const struct file_operations diva_ctl_proc_fops = {
99 .owner = THIS_MODULE,
100 .open = diva_ctl_proc_open,
101 .read = seq_read,
102 .llseek = seq_lseek,
103 .release = single_release,
104 };
105
106 /*
107 * set additional os settings in capi_ctr struct
108 */
diva_os_set_controller_struct(struct capi_ctr * ctrl)109 void diva_os_set_controller_struct(struct capi_ctr *ctrl)
110 {
111 ctrl->driver_name = DRIVERLNAME;
112 ctrl->load_firmware = NULL;
113 ctrl->reset_ctr = NULL;
114 ctrl->proc_fops = &diva_ctl_proc_fops;
115 ctrl->owner = THIS_MODULE;
116 }
117
118 /*
119 * module init
120 */
divacapi_init(void)121 static int DIVA_INIT_FUNCTION divacapi_init(void)
122 {
123 char tmprev[32];
124 int ret = 0;
125
126 sprintf(DRIVERRELEASE_CAPI, "%d.%d%s", DRRELMAJOR, DRRELMINOR,
127 DRRELEXTRA);
128
129 printk(KERN_INFO "%s\n", DRIVERNAME);
130 printk(KERN_INFO "%s: Rel:%s Rev:", DRIVERLNAME, DRIVERRELEASE_CAPI);
131 strcpy(tmprev, main_revision);
132 printk("%s Build: %s(%s)\n", getrev(tmprev),
133 diva_capi_common_code_build, DIVA_BUILD);
134
135 if (!(init_capifunc())) {
136 printk(KERN_ERR "%s: failed init capi_driver.\n",
137 DRIVERLNAME);
138 ret = -EIO;
139 }
140
141 return ret;
142 }
143
144 /*
145 * module exit
146 */
divacapi_exit(void)147 static void DIVA_EXIT_FUNCTION divacapi_exit(void)
148 {
149 finit_capifunc();
150 printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);
151 }
152
153 module_init(divacapi_init);
154 module_exit(divacapi_exit);
155