LXR linux-bk/include/linux/usbdevice

   1/*****************************************************************************/
   2
   3/*
   4 *      usbdevice_fs.h  --  USB device file system.
   5 *
   6 *      Copyright (C) 2000
   7 *          Thomas Sailer (sailer@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
  36/* --------------------------------------------------------------------- */
  37
  38#define USBDEVICE_SUPER_MAGIC 0x9fa2
  39
  40/* usbdevfs ioctl codes */
  41
  42struct usbdevfs_ctrltransfer {
  43        __u8 bRequestType;
  44        __u8 bRequest;
  45        __u16 wValue;
  46        __u16 wIndex;
  47        __u16 wLength;
  48        __u32 timeout;  /* in milliseconds */
  49        void __user *data;
  50};
  51
  52struct usbdevfs_bulktransfer {
  53        unsigned int ep;
  54        unsigned int len;
  55        unsigned int timeout; /* in milliseconds */
  56        void __user *data;
  57};
  58
  59struct usbdevfs_setinterface {
  60        unsigned int interface;
  61        unsigned int altsetting;
  62};
  63
  64struct usbdevfs_disconnectsignal {
  65        unsigned int signr;
  66        void __user *context;
  67};
  68
  69#define USBDEVFS_MAXDRIVERNAME 255
  70
  71struct usbdevfs_getdriver {
  72        unsigned int interface;
  73        char driver[USBDEVFS_MAXDRIVERNAME + 1];
  74};
  75
  76struct usbdevfs_connectinfo {
  77        unsigned int devnum;
  78        unsigned char slow;
  79};
  80
  81#define USBDEVFS_URB_SHORT_NOT_OK          1
  82#define USBDEVFS_URB_ISO_ASAP              2
  83
  84#define USBDEVFS_URB_TYPE_ISO              0
  85#define USBDEVFS_URB_TYPE_INTERRUPT        1
  86#define USBDEVFS_URB_TYPE_CONTROL          2
  87#define USBDEVFS_URB_TYPE_BULK             3
  88
  89struct usbdevfs_iso_packet_desc {
  90        unsigned int length;
  91        unsigned int actual_length;
  92        unsigned int status;
  93};
  94
  95struct usbdevfs_urb {
  96        unsigned char type;
  97        unsigned char endpoint;
  98        int status;
  99        unsigned int flags;
 100        void __user *buffer;
 101        int buffer_length;
 102        int actual_length;
 103        int start_frame;
 104        int number_of_packets;
 105        int error_count;
 106        unsigned int signr;  /* signal to be sent on error, -1 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 */
 112struct 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 __user *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. */
 121struct 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#define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
 127#define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
 128#define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
 129#define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
 130#define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
 131#define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
 132#define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
 133#define USBDEVFS_DISCARDURB        _IO('U', 11)
 134#define USBDEVFS_REAPURB           _IOW('U', 12, void *)
 135#define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
 136#define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
 137#define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
 138#define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
 139#define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
 140#define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
 141#define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
 142#define USBDEVFS_RESET             _IO('U', 20)
 143#define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)
 144#define USBDEVFS_DISCONNECT        _IO('U', 22)
 145#define USBDEVFS_CONNECT           _IO('U', 23)
 146
 147#endif /* _LINUX_USBDEVICE_FS_H */
 148