LXR linux-old/drivers/usb/auerisdn.h

   1/*****************************************************************************/
   2/*
   3 *      auerisdn.h  --  Auerswald PBX/System Telephone ISDN interface.
   4 *
   5 *      Copyright (C) 2002  Wolfgang Mües (wolfgang@iksw-muees.de)
   6 *
   7 *      This program is free software; you can redistribute it and/or modify
   8 *      it under the terms of the GNU General Public License as published by
   9 *      the Free Software Foundation; either version 2 of the License, or
  10 *      (at your option) any later version.
  11 *
  12 *      This program is distributed in the hope that it will be useful,
  13 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 *      GNU General Public License for more details.
  16 *
  17 *      You should have received a copy of the GNU General Public License
  18 *      along with this program; if not, write to the Free Software
  19 *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21 /*****************************************************************************/
  22
  23#ifndef AUERISDN_H
  24#define AUERISDN_H
  25
  26#if (CONFIG_USB_AUERISDN || CONFIG_USB_AUERISDN_MODULE)
  27
  28#include <linux/timer.h>
  29#include "auerserv.h"
  30#include "auerisdn_b.h"
  31
  32#define AUISDN_IPTIMEOUT (HZ * 60)      /* IP Timeout is 40s */
  33
  34struct auerswald;
  35struct auerhisax;
  36
  37struct auerisdn {
  38        struct auerscon dchannelservice;        /* serving the D channel */
  39        struct auerhisax *ahp;                  /* Reference to hisax interface */
  40        unsigned int dc_activated;              /* 1 if D-Channel is activated */
  41        struct auerisdnbc bc[AUISDN_BCHANNELS]; /* B channel data */
  42        unsigned int insize;                    /* Max. Block Size of Input INT */
  43        unsigned int outsize;                   /* Max. Block Size of Output INT */
  44        unsigned int outInterval;               /* nr. of ms between INT OUT transfers */
  45        struct urb *intbi_urbp;                 /* B channel Input Interrupt urb */
  46        unsigned char *intbi_bufp;              /* B channel Input data buffer */
  47        unsigned int paketsize;                 /* Data size of the INT OUT pakets */
  48        struct usb_device *usbdev;              /* USB device handle */
  49        unsigned int intbo_state;               /* Status of INT OUT urb */
  50        struct urb *intbo_urbp;                 /* B channel Output Interrupt urb */
  51        unsigned char *intbo_bufp;              /* B channel Output data buffer */
  52        unsigned int intbo_index;               /* Index of last served B channel */
  53        unsigned int intbo_toggletimer;         /* data toggle timer for 2 b channels */
  54        unsigned int intbo_endp;                /* grrr.. different on some devices */
  55        struct timer_list dcopen_timer;         /* Open D-channel once more later... */
  56};
  57
  58struct auerhisax {
  59        struct hisax_d_if hisax_d_if;           /* Hisax D-Channel interface */
  60        struct hisax_b_if hisax_b_if[AUISDN_BCHANNELS]; /* Hisax B-channel interfaces */
  61        struct auerswald *cp;                   /* Context to usb device */
  62        unsigned int hisax_registered;          /* 1 if registered at hisax interface */
  63        unsigned char txseq;                    /* L2 emulation: tx sequence byte */
  64        unsigned char rxseq;                    /* L2 emulation: rx sequence byte */
  65        spinlock_t seq_lock;                    /* Lock sequence numbers */
  66        unsigned long last_close;               /* Time of last close in jiffies */
  67};
  68
  69/* Function Prototypes */
  70void auerisdn_init_dev(struct auerswald *cp);
  71
  72int auerisdn_probe(struct auerswald *cp);
  73
  74void auerisdn_disconnect(struct auerswald *cp);
  75
  76void auerisdn_init(void);
  77
  78void auerisdn_cleanup(void);
  79
  80#else   /* no CONFIG_USB_AUERISDN */
  81
  82struct auerisdn {
  83        int dummy;
  84};
  85
  86/* Dummy ISDN functions */
  87#define auerisdn_init_dev( cp)
  88#define auerisdn_probe( cp) 0
  89#define auerisdn_disconnect( cp)
  90#define auerisdn_init()
  91#define auerisdn_cleanup()
  92#endif  /* CONFIG_USB_AUERISDN */
  93
  94#endif  /* AUERISDN_H */
  95