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
29static char *main_revision = "$Revision: 1.24 $";
30static char *DRIVERNAME =
31	"Eicon DIVA - CAPI Interface driver (http://www.melware.net)";
32static char *DRIVERLNAME = "divacapi";
33
34MODULE_DESCRIPTION("CAPI driver for Eicon DIVA cards");
35MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
36MODULE_SUPPORTED_DEVICE("CAPI and DIVA card drivers");
37MODULE_LICENSE("GPL");
38
39/*
40 * get revision number from revision string
41 */
42static char *getrev(const char *revision)
43{
44	char *rev;
45	char *p;
46	if ((p = strchr(revision, ':'))) {
47		rev = p + 2;
48		p = strchr(rev, '$');
49		*--p = 0;
50	} else
51		rev = "1.0";
52	return rev;
53
54}
55
56/*
57 * alloc a message buffer
58 */
59diva_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 */
72void 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 */
80static 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
93static int diva_ctl_proc_open(struct inode *inode, struct file *file)
94{
95	return single_open(file, diva_ctl_proc_show, NULL);
96}
97
98static 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 */
109void 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 */
121static int __init 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 */
147static void __exit divacapi_exit(void)
148{
149	finit_capifunc();
150	printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);
151}
152
153module_init(divacapi_init);
154module_exit(divacapi_exit);
155