| /** @file mbt_char.h |
| * |
| * @brief This file contains mbtchar driver specific defines etc |
| * |
| * Copyright (C) 2010-2015, 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_MAJOR_NUM (0) |
| |
| /** Interface specific macros */ |
| #define FMCHAR_MINOR_BASE (10) |
| #define NFCCHAR_MINOR_BASE (20) |
| |
| /** 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__*/ |
