Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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 
 42 struct 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 
 52 struct usbdevfs_bulktransfer {
 53         unsigned int ep;
 54         unsigned int len;
 55         unsigned int timeout; /* in milliseconds */
 56         void __user *data;
 57 };
 58 
 59 struct usbdevfs_setinterface {
 60         unsigned int interface;
 61         unsigned int altsetting;
 62 };
 63 
 64 struct usbdevfs_disconnectsignal {
 65         unsigned int signr;
 66         void __user *context;
 67 };
 68 
 69 #define USBDEVFS_MAXDRIVERNAME 255
 70 
 71 struct usbdevfs_getdriver {
 72         unsigned int interface;
 73         char driver[USBDEVFS_MAXDRIVERNAME + 1];
 74 };
 75 
 76 struct 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 
 89 struct usbdevfs_iso_packet_desc {
 90         unsigned int length;
 91         unsigned int actual_length;
 92         unsigned int status;
 93 };
 94 
 95 struct 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 */
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 __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. */
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 #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 
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