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  *   ˆl–ß=¿JÅ!¶e8 EpÜ TÅ£¿ƒy»_†I|¥+ÃÂ  }    /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*****************************************************************************/

/*
 *	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 *data;
};

struct usbdevfs_bulktransfer {
	unsigned int ep;
	unsigned int len;
	unsigned int timeout; /* in milliseconds */
	void *data;
};

struct usbdevfs_setinterface {
	unsigned int interface;
	unsigned int altsetting;
};

struct usbdevfs_disconnectsignal {
	unsigned int signr;
	void *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;
};

struct usbdevfs_conninfo_ex {
	__u32 size;		/* Size of the structure from the kernel's */
				/* point of view. Can be used by userspace */
				/* to determine how much data can be       */
				/* used/trusted.                           */
	__u32 busnum;           /* USB bus number, as enumerated by the    */
				/* kernel, the device is connected to.     */
	__u32 devnum;           /* Device address on the bus.              */
	__u32 speed;		/* USB_SPEED_* constants from ch9.h        */
	__u8 num_ports;		/* Number of ports the device is connected */
				/* to on the way to the root hub. It may   */
				/* be bigger than size of 'ports' array so */
				/* userspace can detect overflows.         */
	__u8 ports[7];		/* List of ports on the way from the root  */
				/* hub to the device. Current limit in     */
				/* USB specification is 7 tiers (root hub, */
				/* 5 intermediate hubs, device), which     */
				/* gives at most 6 port entries.           */
};

#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	/* Not used */
#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 *buffer;
	int buffer_length;
	int actual_length;
	int start_frame;
	union {
		int number_of_packets;	/* Only used for isoc urbs */
		unsigned int stream_id;	/* Only used with bulk streams */
	};
	int error_count;
	unsigned int signr;	/* signal to be sent on completion,
				  or 0 if none should be sent. */
	void *usercontext;
	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
};

/* ioctls for talking directly to drivers */
struct usbdev