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/** @file mbt_char.h
*
* @brief This file contains mbtchar driver specific defines etc
*
* Copyright (C) 2010-2012, Marvell International Ltd.
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
*
*/
#ifndef __MBT_CHAR_H__
#define __MBT_CHAR_H__
#include <linux/cdev.h>
#include <linux/device.h>
/** Define ioctl */
#define MBTCHAR_IOCTL_RELEASE _IO('M', 1)
#define MBTCHAR_IOCTL_QUERY_TYPE _IO('M', 2)
#define MBTCHAR_IOCTL_POWER_OFF _IO('M', 3)
#define MBTCHAR_MAJOR_NUM (0)
/** Interface specific macros */
#define MBTCHAR_MINOR_BASE (0)
#define FMCHAR_MINOR_BASE (10)
#define NFCCHAR_MINOR_BASE (20)
#define DEBUGCHAR_MINOR_BASE (30)
/** Declaration of char_dev struct */
struct char_dev {
struct list_head list;
int minor;
int dev_type;
struct cdev cdev;
struct m_dev *m_dev;
struct kobject kobj;
};
/** Changes permissions of the dev */
int mbtchar_chmod(char *name, mode_t mode);
/** Changes ownership of the dev */
int mbtchar_chown(char *name, uid_t user, gid_t group);
/** This function creates the char dev */
int register_char_dev(struct char_dev *dev, struct class *char_class,
char *mod_name, char *dev_name);
/** This function deletes the char dev */
int unregister_char_dev(struct char_dev *dev, struct class *char_class,
char *dev_name);
/** This function cleans module */
void chardev_cleanup(struct class *char_class);
/** This function cleans module */
void chardev_cleanup_one(struct m_dev *m_dev, struct class *char_class);
#endif /*__MBT_CHAR_H__*/
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