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/drivers/isdn/hardware/eicon/capimain.c

http://github.com/mirrors/linux
C | 154 lines | 100 code | 22 blank | 32 comment | 3 complexity | 4f190af362543edea3aa47b0da66baef MD5 | raw file
  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);