Subversion Repositories test_project

/* $Id: capimain.c,v 1.24 2003/09/09 06:51:05 schindler Exp $

 *

 * ISDN interface module for Eicon active cards DIVA.

 * CAPI Interface

 *

 * Copyright 2000-2003 by Armin Schindler (mac@melware.de)

 * Copyright 2000-2003 Cytronics & Melware (info@melware.de)

 *

 * This software may be used and distributed according to the terms

 * of the GNU General Public License, incorporated herein by reference.

 */

#include <linux/module.h>

#include <linux/init.h>

#include <asm/uaccess.h>

#include <linux/skbuff.h>

#include "os_capi.h"

#include "platform.h"

#include "di_defs.h"

#include "capi20.h"

#include "divacapi.h"

#include "cp_vers.h"

#include "capifunc.h"

static char *main_revision = "$Revision: 1.24 $";

static char *DRIVERNAME =

    "Eicon DIVA - CAPI Interface driver (http://www.melware.net)";

static char *DRIVERLNAME = "divacapi";

MODULE_DESCRIPTION("CAPI driver for Eicon DIVA cards");

MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");

MODULE_SUPPORTED_DEVICE("CAPI and DIVA card drivers");

MODULE_LICENSE("GPL");

/*

 * get revision number from revision string

 */

static char *getrev(const char *revision)

{

        char *rev;

        char *p;

        if ((p = strchr(revision, ':'))) {

                rev = p + 2;

                p = strchr(rev, '$');

                *--p = 0;

        } else

                rev = "1.0";

        return rev;

}

/*

 * alloc a message buffer

 */

diva_os_message_buffer_s *diva_os_alloc_message_buffer(unsigned long size,

                                                       void **data_buf)

{

        diva_os_message_buffer_s *dmb = alloc_skb(size, GFP_ATOMIC);

        if (dmb) {

                *data_buf = skb_put(dmb, size);

        }

        return (dmb);

}

/*

 * free a message buffer

 */

void diva_os_free_message_buffer(diva_os_message_buffer_s * dmb)

{

        kfree_skb(dmb);

}

/*

 * proc function for controller info

 */

static int diva_ctl_read_proc(char *page, char **start, off_t off,

                              int count, int *eof, struct capi_ctr *ctrl)

{

        diva_card *card = (diva_card *) ctrl->driverdata;

        int len = 0;

        len += sprintf(page + len, "%s\n", ctrl->name);

        len += sprintf(page + len, "Serial No. : %s\n", ctrl->serial);

        len += sprintf(page + len, "Id         : %d\n", card->Id);

        len += sprintf(page + len, "Channels   : %d\n", card->d.channels);

        if (off + count >= len)

                *eof = 1;

        if (len < off)

                return 0;

        *start = page + off;

        return ((count < len - off) ? count : len - off);

}

/*

 * set additional os settings in capi_ctr struct

 */

void diva_os_set_controller_struct(struct capi_ctr *ctrl)

{

        ctrl->driver_name = DRIVERLNAME;

        ctrl->load_firmware = NULL;

        ctrl->reset_ctr = NULL;

        ctrl->ctr_read_proc = diva_ctl_read_proc;

        ctrl->owner = THIS_MODULE;

}

/*

 * module init

 */

static int DIVA_INIT_FUNCTION divacapi_init(void)

{

        char tmprev[32];

        int ret = 0;

        sprintf(DRIVERRELEASE_CAPI, "%d.%d%s", DRRELMAJOR, DRRELMINOR,

                DRRELEXTRA);

        printk(KERN_INFO "%s\n", DRIVERNAME);

        printk(KERN_INFO "%s: Rel:%s  Rev:", DRIVERLNAME, DRIVERRELEASE_CAPI);

        strcpy(tmprev, main_revision);

        printk("%s  Build: %s(%s)\n", getrev(tmprev),

               diva_capi_common_code_build, DIVA_BUILD);

        if (!(init_capifunc())) {

                printk(KERN_ERR "%s: failed init capi_driver.\n",

                       DRIVERLNAME);

                ret = -EIO;

        }

        return ret;

}

/*

 * module exit

 */

static void DIVA_EXIT_FUNCTION divacapi_exit(void)

{

        finit_capifunc();

        printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);

}

module_init(divacapi_init);

module_exit(divacapi_exit);