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      1 /*****************************************************************************/
      2 
      3 /*
      4  *	usbdevice_fs.h  --  USB device file system.
      5  *
      6  *	Copyright (C) 2000
      7  *          Thomas Sailer (sailer (at) ife.ee.ethz.ch)
      8  *
      9  *	This program is free software; you can redistribute it and/or modify
     10  *	it under the terms of the GNU General Public License as published by
     11  *	the Free Software Foundation; either version 2 of the License, or
     12  *	(at your option) any later version.
     13  *
     14  *	This program is distributed in the hope that it will be useful,
     15  *	but WITHOUT ANY WARRANTY; without even the implied warranty of
     16  *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17  *	GNU General Public License for more details.
     18  *
     19  *	You should have received a copy of the GNU General Public License
     20  *	along with this program; if not, write to the Free Software
     21  *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
     22  *
     23  *  History:
     24  *   0.1  04.01.2000  Created
     25  *
     26  *  $Id: usbdevice_fs.h,v 1.1 2000/01/06 18:40:41 tom Exp $
     27  */
     28 
     29 /*****************************************************************************/
     30 
     31 #ifndef _LINUX_USBDEVICE_FS_H
     32 #define _LINUX_USBDEVICE_FS_H
     33 
     34 #include <linux/types.h>
     35 #include <linux/magic.h>
     36 
     37 /* --------------------------------------------------------------------- */
     38 
     39 /* usbdevfs ioctl codes */
     40 
     41 struct usbdevfs_ctrltransfer {
     42 	__u8 bRequestType;
     43 	__u8 bRequest;
     44 	__u16 wValue;
     45 	__u16 wIndex;
     46 	__u16 wLength;
     47 	__u32 timeout;  /* in milliseconds */
     48  	void *data;
     49 };
     50 
     51 struct usbdevfs_bulktransfer {
     52 	unsigned int ep;
     53 	unsigned int len;
     54 	unsigned int timeout; /* in milliseconds */
     55 	void *data;
     56 };
     57 
     58 struct usbdevfs_setinterface {
     59 	unsigned int interface;
     60 	unsigned int altsetting;
     61 };
     62 
     63 struct usbdevfs_disconnectsignal {
     64 	unsigned int signr;
     65 	void *context;
     66 };
     67 
     68 #define USBDEVFS_MAXDRIVERNAME 255
     69 
     70 struct usbdevfs_getdriver {
     71 	unsigned int interface;
     72 	char driver[USBDEVFS_MAXDRIVERNAME + 1];
     73 };
     74 
     75 struct usbdevfs_connectinfo {
     76 	unsigned int devnum;
     77 	unsigned char slow;
     78 };
     79 
     80 #define USBDEVFS_URB_SHORT_NOT_OK          1
     81 #define USBDEVFS_URB_ISO_ASAP              2
     82 
     83 #define USBDEVFS_URB_TYPE_ISO		   0
     84 #define USBDEVFS_URB_TYPE_INTERRUPT	   1
     85 #define USBDEVFS_URB_TYPE_CONTROL	   2
     86 #define USBDEVFS_URB_TYPE_BULK		   3
     87 
     88 struct usbdevfs_iso_packet_desc {
     89 	unsigned int length;
     90 	unsigned int actual_length;
     91 	unsigned int status;
     92 };
     93 
     94 struct usbdevfs_urb {
     95 	unsigned char type;
     96 	unsigned char endpoint;
     97 	int status;
     98 	unsigned int flags;
     99 	void *buffer;
    100 	int buffer_length;
    101 	int actual_length;
    102 	int start_frame;
    103 	int number_of_packets;
    104 	int error_count;
    105 	unsigned int signr;	/* signal to be sent on completion,
    106 				  or 0 if none should be sent. */
    107 	void *usercontext;
    108 	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
    109 };
    110 
    111 /* ioctls for talking directly to drivers */
    112 struct usbdevfs_ioctl {
    113 	int	ifno;		/* interface 0..N ; negative numbers reserved */
    114 	int	ioctl_code;	/* MUST encode size + direction of data so the
    115 				 * macros in <asm/ioctl.h> give correct values */
    116 	void *data;	/* param buffer (in, or out) */
    117 };
    118 
    119 /* You can do most things with hubs just through control messages,
    120  * except find out what device connects to what port. */
    121 struct usbdevfs_hub_portinfo {
    122 	char nports;		/* number of downstream ports in this hub */
    123 	char port [127];	/* e.g. port 3 connects to device 27 */
    124 };
    125 
    126 
    127 #define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
    128 #define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
    129 #define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
    130 #define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
    131 #define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
    132 #define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
    133 #define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
    134 #define USBDEVFS_SUBMITURB32       _IOR('U', 10, struct usbdevfs_urb32)
    135 #define USBDEVFS_DISCARDURB        _IO('U', 11)
    136 #define USBDEVFS_REAPURB           _IOW('U', 12, void *)
    137 #define USBDEVFS_REAPURB32         _IOW('U', 12, __u32)
    138 #define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
    139 #define USBDEVFS_REAPURBNDELAY32   _IOW('U', 13, __u32)
    140 #define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
    141 #define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
    142 #define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
    143 #define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
    144 #define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
    145 #define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)
    146 #define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
    147 #define USBDEVFS_RESET             _IO('U', 20)
    148 #define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
    149 #define USBDEVFS_DISCONNECT        _IO('U', 22)
    150 #define USBDEVFS_CONNECT           _IO('U', 23)
    151 #endif /* _LINUX_USBDEVICE_FS_H */
    152