drivers/usb/misc/tiglusb.h

   1 /* Hey EMACS -*- linux-c -*-
   2  *
   3  * tiglusb - low level driver for SilverLink cable
   4  *
   5  * Copyright (C) 2000-2002, Romain Lievin <roms@lpg.ticalc.org>
   6  * under the terms of the GNU General Public License.
   7  *
   8  * Redistribution of this file is permitted under the terms of the GNU
   9  * Public License (GPL)
  10  */
  11
  12 #ifndef _TIGLUSB_H
  13 #define _TIGLUSB_H
  14
  15 /*
  16  * Max. number of devices supported
  17  */
  18 #define MAXTIGL         16
  19
  20 /*
  21  * Max. packetsize for IN and OUT pipes
  22  */
  23 #define BULK_RCV_MAX    32
  24 #define BULK_SND_MAX    32
  25
  26 /*
  27  * The driver context...
  28  */
  29
  30 typedef enum { _stopped=0, _started } driver_state_t;
  31
  32 typedef struct
  33 {
  34         struct usb_device       *dev;           /* USB device handle */
  35         struct semaphore        mutex;          /* locks this struct */
  36
  37         wait_queue_head_t       wait;           /* for timed waits */
  38         wait_queue_head_t       remove_ok;
  39
  40         int             minor;                  /* which minor dev #? */
  41
  42         driver_state_t  state;                  /* started/stopped */
  43         int             opened;                 /* tru if open */
  44         int     remove_pending;
  45 } tiglusb_t, *ptiglusb_t;
  46
  47 #endif