LXR linux-old/drivers/usb/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
  30typedef enum { _stopped=0, _started } driver_state_t;
  31
  32typedef 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        devfs_handle_t  devfs;                  /* devfs device */
  42
  43        driver_state_t  state;                  /* started/stopped */
  44        int             opened;                 /* tru if open */
  45        int     remove_pending;
  46} tiglusb_t, *ptiglusb_t;
  47
  48#endif
  49