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 <linux/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 
93 /*
94  * set additional os settings in capi_ctr struct
95  */
diva_os_set_controller_struct(struct capi_ctr * ctrl)96 void diva_os_set_controller_struct(struct capi_ctr *ctrl)
97 {
98 	ctrl->driver_name = DRIVERLNAME;
99 	ctrl->load_firmware = NULL;
100 	ctrl->reset_ctr = NULL;
101 	ctrl->proc_show = diva_ctl_proc_show;
102 	ctrl->owner = THIS_MODULE;
103 }
104 
105 /*
106  * module init
107  */
divacapi_init(void)108 static int __init divacapi_init(void)
109 {
110 	char tmprev[32];
111 	int ret = 0;
112 
113 	sprintf(DRIVERRELEASE_CAPI, "%d.%d%s", DRRELMAJOR, DRRELMINOR,
114 		DRRELEXTRA);
115 
116 	printk(KERN_INFO "%s\n", DRIVERNAME);
117 	printk(KERN_INFO "%s: Rel:%s  Rev:", DRIVERLNAME, DRIVERRELEASE_CAPI);
118 	strcpy(tmprev, main_revision);
119 	printk("%s  Build: %s(%s)\n", getrev(tmprev),
120 	       diva_capi_common_code_build, DIVA_BUILD);
121 
122 	if (!(init_capifunc())) {
123 		printk(KERN_ERR "%s: failed init capi_driver.\n",
124 		       DRIVERLNAME);
125 		ret = -EIO;
126 	}
127 
128 	return ret;
129 }
130 
131 /*
132  * module exit
133  */
divacapi_exit(void)134 static void __exit divacapi_exit(void)
135 {
136 	finit_capifunc();
137 	printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);
138 }
139 
140 module_init(divacapi_init);
141 module_exit(divacapi_exit);
142