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 requesttype; 44 __u8 request; 45 __u16 value; 46 __u16 index; 47 __u16 length; 48 __u32 timeout; /* in milliseconds */ 49 void *data; 50 }; 51 52 struct usbdevfs_bulktransfer { 53 unsigned int ep; 54 unsigned int len; 55 unsigned int timeout; /* in milliseconds */ 56 void *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 *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_DISABLE_SPD 1 82 #define USBDEVFS_URB_ISO_ASAP 2 83 #define USBDEVFS_URB_QUEUE_BULK 0x10 84 85 #define USBDEVFS_URB_TYPE_ISO 0 86 #define USBDEVFS_URB_TYPE_INTERRUPT 1 87 #define USBDEVFS_URB_TYPE_CONTROL 2 88 #define USBDEVFS_URB_TYPE_BULK 3 89 90 struct usbdevfs_iso_packet_desc { 91 unsigned int length; 92 unsigned int actual_length; 93 unsigned int status; 94 }; 95 96 struct usbdevfs_urb { 97 unsigned char type; 98 unsigned char endpoint; 99 int status; 100 unsigned int flags; 101 void *buffer; 102 int buffer_length; 103 int actual_length; 104 int start_frame; 105 int number_of_packets; 106 int error_count; 107 unsigned int signr; /* signal to be sent on error, -1 if none should be sent */ 108 void *usercontext; 109 struct usbdevfs_iso_packet_desc iso_frame_desc[0]; 110 }; 111 112 /* ioctls for talking to drivers in the usbcore module: */ 113 struct usbdevfs_ioctl { 114 int ifno; /* interface 0..N ; negative numbers reserved */ 115 int ioctl_code; /* MUST encode size + direction of data so the 116 * macros in <asm/ioctl.h> give correct values */ 117 void *data; /* param buffer (in, or out) */ 118 }; 119 120 /* You can do most things with hubs just through control messages, 121 * except find out what device connects to what port. */ 122 struct usbdevfs_hub_portinfo { 123 char nports; /* number of downstream ports in this hub */ 124 char port [127]; /* e.g. port 3 connects to device 27 */ 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_DISCARDURB _IO('U', 11) 135 #define USBDEVFS_REAPURB _IOW('U', 12, void *) 136 #define USBDEVFS_REAPURBNDELAY _IOW('U', 13, void *) 137 #define USBDEVFS_DISCSIGNAL _IOR('U', 14, struct usbdevfs_disconnectsignal) 138 #define USBDEVFS_CLAIMINTERFACE _IOR('U', 15, unsigned int) 139 #define USBDEVFS_RELEASEINTERFACE _IOR('U', 16, unsigned int) 140 #define USBDEVFS_CONNECTINFO _IOW('U', 17, struct usbdevfs_connectinfo) 141 #define USBDEVFS_IOCTL _IOWR('U', 18, struct usbdevfs_ioctl) 142 #define USBDEVFS_HUB_PORTINFO _IOR('U', 19, struct usbdevfs_hub_portinfo) 143 #define USBDEVFS_RESET _IO('U', 20) 144 #define USBDEVFS_CLEAR_HALT _IOR('U', 21, unsigned int) 145 #define USBDEVFS_DISCONNECT _IO('U', 22) 146 #define USBDEVFS_CONNECT _IO('U', 23) 147 148 /* --------------------------------------------------------------------- */ 149 150 #ifdef __KERNEL__ 151 152 #include <linux/list.h> 153 #include <asm/semaphore.h> 154 155 /* 156 * inode number macros 157 */ 158 #define ITYPE(x) ((x)&(0xf<<28)) 159 #define ISPECIAL (0<<28) 160 #define IBUS (1<<28) 161 #define IDEVICE (2<<28) 162 #define IBUSNR(x) (((x)>>8)&0xff) 163 #define IDEVNR(x) ((x)&0xff) 164 165 #define IROOT 1 166 167 struct dev_state { 168 struct list_head list; /* state list */ 169 struct rw_semaphore devsem; /* protects modifications to dev (dev == NULL indicating disconnect) */ 170 struct usb_device *dev; 171 struct file *file; 172 spinlock_t lock; /* protects the async urb lists */ 173 struct list_head async_pending; 174 struct list_head async_completed; 175 wait_queue_head_t wait; /* wake up if a request completed */ 176 unsigned int discsignr; 177 struct task_struct *disctask; 178 void *disccontext; 179 unsigned long ifclaimed; 180 }; 181 182 /* internal methods & data */ 183 extern struct usb_driver usbdevfs_driver; 184 extern struct file_operations usbdevfs_drivers_fops; 185 extern struct file_operations usbdevfs_devices_fops; 186 extern struct file_operations usbdevfs_device_file_operations; 187 extern struct inode_operations usbdevfs_device_inode_operations; 188 extern void usbdevfs_conn_disc_event(void); 189 190 #endif /* __KERNEL__ */ 191 192 /* --------------------------------------------------------------------- */ 193 #endif /* _LINUX_USBDEVICE_FS_H */ 194