1 /******************************************************************************

     2  *

     3  *  $Id$

     4  *

     5  *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH

     6  *

     7  *  This file is part of the IgH EtherCAT Master.

     8  *

     9  *  The IgH EtherCAT Master is free software; you can redistribute it

    10  *  and/or modify it under the terms of the GNU General Public License

    11  *  as published by the Free Software Foundation; either version 2 of the

    12  *  License, or (at your option) any later version.

    13  *

    14  *  The IgH EtherCAT Master is distributed in the hope that it will be

    15  *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of

    16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    17  *  GNU General Public License for more details.

    18  *

    19  *  You should have received a copy of the GNU General Public License

    20  *  along with the IgH EtherCAT Master; if not, write to the Free Software

    21  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    22  *

    23  *  The right to use EtherCAT Technology is granted and comes free of

    24  *  charge under condition of compatibility of product made by

    25  *  Licensee. People intending to distribute/sell products based on the

    26  *  code, have to sign an agreement to guarantee that products using

    27  *  software based on IgH EtherCAT master stay compatible with the actual

    28  *  EtherCAT specification (which are released themselves as an open

    29  *  standard) as the (only) precondition to have the right to use EtherCAT

    30  *  Technology, IP and trade marks.

    31  *

    32  *****************************************************************************/

    33 

    34 /**

    35    \file

    36    EtherCAT master character device.

    37 */

    38 

    39 /*****************************************************************************/

    40 

    41 #ifndef __EC_CDEV_H__

    42 #define __EC_CDEV_H__

    43 

    44 #include <linux/fs.h>

    45 #include <linux/cdev.h>

    46 

    47 #include "globals.h"

    48 #include "../include/ecrt.h"

    49 

    50 /*****************************************************************************/

    51 

    52 /** EtherCAT master character device.

    53 */

    54 typedef struct {

    55     ec_master_t *master; /**< Master owning the device. */

    56     struct cdev cdev; /**< Character device. */

    57 } ec_cdev_t;

    58 

    59 /*****************************************************************************/

    60 

    61 int ec_cdev_init(ec_cdev_t *, ec_master_t *, dev_t);

    62 void ec_cdev_clear(ec_cdev_t *);

    63 

    64 int ec_cdev_request(ec_cdev_t *, uint32_t, uint32_t);

    65 

    66 /*****************************************************************************/

    67 

    68 #endif