Logo Search packages:      
Sourcecode: baycomusb version File versions  Download package

usbdevice_fs.h

/*****************************************************************************/

/*
 *    usbdevice_fs.h  --  USB device file system.
 *
 *    Copyright (C) 2000-2001
 *          Thomas Sailer (t.sailer@alumni.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
 *
 *  $Id: usbdevice_fs.h,v 1.1 2000/01/06 18:40:41 tom Exp $
 */

/*****************************************************************************/

#ifndef _LINUX_USBDEVICE_FS_H
#define _LINUX_USBDEVICE_FS_H

#include <linux/types.h>

/* --------------------------------------------------------------------- */

#define USBDEVICE_SUPER_MAGIC 0x9fa2

/* usbdevfs ioctl codes */

struct usbdevfs_ctrltransfer {
      __u8 requesttype;
      __u8 request;
      __u16 value;
      __u16 index;
      __u16 length;
      __u32 timeout;  /* in milliseconds */
      void *data;
};

/* control transfer to nondefault endpoints */
struct usbdevfs_ctrltransfer_ep {
      __u8 ep;
      __u8 requesttype;
      __u8 request;
      __u16 value;
      __u16 index;
      __u16 length;
      __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;
};

#define USBDEVFS_USB_DISABLE_SPD         0x0001
#define USBDEVFS_USB_ISO_ASAP            0x0002
#define USBDEVFS_USB_QUEUE_BULK          0x0010
#define USBDEVFS_USB_NO_FSBR             0x0020
#define USBDEVFS_USB_ZERO_PACKET         0x0040

#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;
      int number_of_packets;
      int error_count;
      unsigned int signr;  /* signal to be sent on error, -1 if none should be sent */
      void *usercontext;
      struct usbdevfs_iso_packet_desc iso_frame_desc[0];
};

/* ioctls for talking to drivers in the usbcore module: */
struct usbdevfs_ioctl {
      int   ifno;       /* interface 0..N ; negative numbers reserved */
      int   ioctl_code; /* MUST encode size + direction of data so the
                         * macros in <asm/ioctl.h> give correct values */
      void  *data;            /* param buffer (in, or out) */
};

/* You can do most things with hubs just through control messages,
 * except find out what device connects to what port. */
struct usbdevfs_hub_portinfo {
      char nports;            /* number of downstream ports in this hub */
      char port [127];  /* e.g. port 3 connects to device 27 */
};

#define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
#define USBDEVFS_CONTROL_EP        _IOWR('U', 1, struct usbdevfs_ctrltransfer_ep)
#define USBDEVFS_BULK              _IOWR('U', 2, struct usbdevfs_bulktransfer)
#define USBDEVFS_RESETEP           _IOR('U', 3, unsigned int)
#define USBDEVFS_SETINTERFACE      _IOR('U', 4, struct usbdevfs_setinterface)
#define USBDEVFS_SETCONFIGURATION  _IOR('U', 5, unsigned int)
#define USBDEVFS_GETDRIVER         _IOW('U', 8, struct usbdevfs_getdriver)
#define USBDEVFS_SUBMITURB         _IOR('U', 10, struct usbdevfs_urb)
#define USBDEVFS_DISCARDURB        _IO('U', 11)
#define USBDEVFS_REAPURB           _IOW('U', 12, void *)
#define USBDEVFS_REAPURBNDELAY     _IOW('U', 13, void *)
#define USBDEVFS_DISCSIGNAL        _IOR('U', 14, struct usbdevfs_disconnectsignal)
#define USBDEVFS_CLAIMINTERFACE    _IOR('U', 15, unsigned int)
#define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
#define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
#define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
#define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
#define USBDEVFS_RESET             _IO('U', 20)
#define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)

/* --------------------------------------------------------------------- */

#ifdef __KERNEL__

#include <linux/list.h>
#include <asm/semaphore.h>

/*
 * inode number macros
 */
#define ITYPE(x)   ((x)&(0xf<<28))
#define ISPECIAL   (0<<28)
#define IBUS       (1<<28)
#define IDEVICE    (2<<28)
#define IBUSNR(x)  (((x)>>8)&0xff)
#define IDEVNR(x)  ((x)&0xff)

#define IROOT      1

struct dev_state {
      struct list_head list;      /* state list */
      struct rw_semaphore devsem; /* protects modifications to dev (dev == NULL indicating disconnect) */ 
      struct usb_device *dev;
      struct file *file;
      spinlock_t lock;            /* protects the async urb lists */
      struct list_head async_pending;
      struct list_head async_completed;
      wait_queue_head_t wait;     /* wake up if a request completed */
      unsigned int discsignr;
      struct task_struct *disctask;
      void *disccontext;
      unsigned long ifclaimed;
};

/* internal methods & data */
extern struct usb_driver usbdevfs_driver;
extern struct file_operations usbdevfs_drivers_fops;
extern struct file_operations usbdevfs_devices_fops;
extern struct file_operations usbdevfs_device_file_operations;
extern struct inode_operations usbdevfs_device_inode_operations;
extern struct inode_operations usbdevfs_bus_inode_operations;
extern struct file_operations usbdevfs_bus_file_operations;
extern void usbdevfs_conn_disc_event(void);

#endif /* __KERNEL__ */

/* --------------------------------------------------------------------- */
#endif /* _LINUX_USBDEVICE_FS_H */

Generated by  Doxygen 1.6.0   Back to index