/*****************************************************************************/
  
  /*
   *	usbdevice_fs.h  --  USB device file system.
   *
   *	Copyright (C) 2000
   *          Thomas Sailer (sailer@ife.ee.ethz.ch)
   *
   *	This program is free software; you can redistribute it and/or modify
   *	it under the terms of the GNU General Public License as published by
   *	the Free Software Foundation; either version 2 of the License, or
   *	(at your option) any later version.
   *
   *	This program is distributed in the hope that it will be useful,
   *	but WITHOUT ANY WARRANTY; without even the implied warranty of
   *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *	GNU General Public License for more details.
   *
   *	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., 675 Mass Ave, Cambridge, MA 02139, USA.
   *
   *  History:
   *   0.1  04.01.2000  Created

   */
  
  /*****************************************************************************/
  
  #ifndef _LINUX_USBDEVICE_FS_H
  #define _LINUX_USBDEVICE_FS_H
  
  #include <linux/types.h>

  #include <linux/magic.h>

  
  /* --------------------------------------------------------------------- */

  /* usbdevfs ioctl codes */
  
  struct usbdevfs_ctrltransfer {
  	__u8 bRequestType;
  	__u8 bRequest;
  	__u16 wValue;
  	__u16 wIndex;
  	__u16 wLength;
  	__u32 timeout;  /* in milliseconds */
   	void __user *data;
  };
  
  struct usbdevfs_bulktransfer {
  	unsigned int ep;
  	unsigned int len;
  	unsigned int timeout; /* in milliseconds */
  	void __user *data;
  };
  
  struct usbdevfs_setinterface {
  	unsigned int interface;
  	unsigned int altsetting;
  };
  
  struct usbdevfs_disconnectsignal {
  	unsigned int signr;
  	void __user *context;
  };
  
  #define USBDEVFS_MAXDRIVERNAME 255
  
  struct usbdevfs_getdriver {
  	unsigned int interface;
  	char driver[USBDEVFS_MAXDRIVERNAME + 1];
  };
  
  struct usbdevfs_connectinfo {
  	unsigned int devnum;
  	unsigned char slow;
  };

  #define USBDEVFS_URB_SHORT_NOT_OK	0x01
  #define USBDEVFS_URB_ISO_ASAP		0x02

  #define USBDEVFS_URB_BULK_CONTINUATION	0x04

  #define USBDEVFS_URB_NO_FSBR		0x20
  #define USBDEVFS_URB_ZERO_PACKET	0x40
  #define USBDEVFS_URB_NO_INTERRUPT	0x80

  
  #define USBDEVFS_URB_TYPE_ISO		   0
  #define USBDEVFS_URB_TYPE_INTERRUPT	   1
  #define USBDEVFS_URB_TYPE_CONTROL	   2
  #define USBDEVFS_URB_TYPE_BULK		   3
  
  struct usbdevfs_iso_packet_desc {
  	unsigned int length;
  	unsigned int actual_length;
  	unsigned int status;
  };
  
  struct usbdevfs_urb {
  	unsigned char type;
  	unsigned char endpoint;
  	int status;
  	unsigned int flags;
  	void __user *buffer;
  	int buffer_length;
  	int actual_length;
  	int start_frame;
  	int number_of_packets;
  	int error_count;

  	unsigned int signr;	/* signal to be sent on completion,
  				  or 0 if none should be sent. */

  	void __user *usercontext;

  	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
  };
  
  /* ioctls for talking directly to drivers */
  struct usbdevfs_ioctl {
  	int	ifno;		/* interface 0..N ; negative numbers reserved */
  	int	ioctl_code;	/* MUST encode size + direction of data so the
  				 * macros in <asm/ioctl.h> give correct values */
  	void __user *data;	/* param buffer (in, or out) */
  };
  
  /* You can do most things with hubs just through control messages,
   * except find out what device connects to what port. */
  struct usbdevfs_hub_portinfo {
  	char nports;		/* number of downstream ports in this hub */
  	char port [127];	/* e.g. port 3 connects to device 27 */
  };

  #ifdef __KERNEL__

  #ifdef CONFIG_COMPAT

  #include <linux/compat.h>

  
  struct usbdevfs_ctrltransfer32 {
          u8 bRequestType;
          u8 bRequest;
          u16 wValue;
          u16 wIndex;
          u16 wLength;
          u32 timeout;  /* in milliseconds */
          compat_caddr_t data;
  };
  
  struct usbdevfs_bulktransfer32 {
          compat_uint_t ep;
          compat_uint_t len;
          compat_uint_t timeout; /* in milliseconds */
          compat_caddr_t data;
  };
  
  struct usbdevfs_disconnectsignal32 {
          compat_int_t signr;
          compat_caddr_t context;
  };

  struct usbdevfs_urb32 {
  	unsigned char type;
  	unsigned char endpoint;
  	compat_int_t status;
  	compat_uint_t flags;
  	compat_caddr_t buffer;
  	compat_int_t buffer_length;
  	compat_int_t actual_length;
  	compat_int_t start_frame;
  	compat_int_t number_of_packets;
  	compat_int_t error_count;
  	compat_uint_t signr;
  	compat_caddr_t usercontext; /* unused */
  	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
  };

  
  struct usbdevfs_ioctl32 {
  	s32 ifno;
  	s32 ioctl_code;
  	compat_caddr_t data;
  };

  #endif

  #endif /* __KERNEL__ */

  
  #define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)

  #define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)

  #define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)

  #define USBDEVFS_BULK32              _IOWR('U', 2, struct usbdevfs_bulktransfer32)

  #define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
  #define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
  #define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
  #define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
  #define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
  #define USBDEVFS_SUBMITURB32       _IOR('U', 10, struct usbdevfs_urb32)
  #define USBDEVFS_DISCARDURB        _IO('U', 11)
  #define USBDEVFS_REAPURB           _IOW('U', 12, void *)

  #define USBDEVFS_REAPURB32         _IOW('U', 12, __u32)

  #define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)

  #define USBDEVFS_REAPURBNDELAY32   _IOW('U', 13, __u32)

  #define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)

  #define USBDEVFS_DISCSIGNAL32      _IOR('U', 14, struct usbdevfs_disconnectsignal32)

  #define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
  #define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
  #define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
  #define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)

  #define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)

  #define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
  #define USBDEVFS_RESET             _IO('U', 20)
  #define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
  #define USBDEVFS_DISCONNECT        _IO('U', 22)
  #define USBDEVFS_CONNECT           _IO('U', 23)

  #define USBDEVFS_CLAIM_PORT        _IOR('U', 24, unsigned int)
  #define USBDEVFS_RELEASE_PORT      _IOR('U', 25, unsigned int)

  #endif /* _LINUX_USBDEVICE_FS_H */