#ifndef _HIDRAW_H
  #define _HIDRAW_H
  
  /*
   *  Copyright (c) 2007 Jiri Kosina
   */
  
  /*
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
   */

  #include <linux/hid.h>

  #include <linux/types.h>

  struct hidraw_report_descriptor {
  	__u32 size;

  	__u8 value[HID_MAX_DESCRIPTOR_SIZE];

  };
  
  struct hidraw_devinfo {
  	__u32 bustype;
  	__s16 vendor;
  	__s16 product;
  };
  
  /* ioctl interface */
  #define HIDIOCGRDESCSIZE	_IOR('H', 0x01, int)
  #define HIDIOCGRDESC		_IOR('H', 0x02, struct hidraw_report_descriptor)
  #define HIDIOCGRAWINFO		_IOR('H', 0x03, struct hidraw_devinfo)

  #define HIDIOCGRAWNAME(len)     _IOC(_IOC_READ, 'H', 0x04, len)
  #define HIDIOCGRAWPHYS(len)     _IOC(_IOC_READ, 'H', 0x05, len)

  /* The first byte of SFEATURE and GFEATURE is the report number */
  #define HIDIOCSFEATURE(len)    _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len)
  #define HIDIOCGFEATURE(len)    _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x07, len)

  
  #define HIDRAW_FIRST_MINOR 0
  #define HIDRAW_MAX_DEVICES 64
  /* number of reports to buffer */
  #define HIDRAW_BUFFER_SIZE 64
  
  
  /* kernel-only API declarations */
  #ifdef __KERNEL__

  struct hidraw {
  	unsigned int minor;
  	int exist;
  	int open;
  	wait_queue_head_t wait;
  	struct hid_device *hid;
  	struct device *dev;
  	struct list_head list;
  };
  
  struct hidraw_report {
  	__u8 *value;
  	int len;
  };
  
  struct hidraw_list {
  	struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
  	int head;
  	int tail;
  	struct fasync_struct *fasync;
  	struct hidraw *hidraw;
  	struct list_head node;
  	struct mutex read_mutex;
  };
  
  #ifdef CONFIG_HIDRAW
  int hidraw_init(void);
  void hidraw_exit(void);
  void hidraw_report_event(struct hid_device *, u8 *, int);
  int hidraw_connect(struct hid_device *);
  void hidraw_disconnect(struct hid_device *);
  #else
  static inline int hidraw_init(void) { return 0; }
  static inline void hidraw_exit(void) { }
  static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { }
  static inline int hidraw_connect(struct hid_device *hid) { return -1; }
  static inline void hidraw_disconnect(struct hid_device *hid) { }
  #endif
  
  #endif
  
  #endif