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/*****************************************************************************/
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/*
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* auerisdn.h -- Auerswald PBX/System Telephone ISDN interface.
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*
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* Copyright (C) 2002 Wolfgang Mües (wolfgang@iksw-muees.de)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*****************************************************************************/
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#ifndef AUERISDN_H
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#define AUERISDN_H
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#if (CONFIG_USB_AUERISDN || CONFIG_USB_AUERISDN_MODULE)
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#include <linux/timer.h>
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#include "auerserv.h"
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#include "auerisdn_b.h"
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#define AUISDN_IPTIMEOUT (HZ * 60) /* IP Timeout is 40s */
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struct auerswald;
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struct auerhisax;
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struct auerisdn {
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struct auerscon dchannelservice; /* serving the D channel */
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struct auerhisax *ahp; /* Reference to hisax interface */
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unsigned int dc_activated; /* 1 if D-Channel is activated */
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struct auerisdnbc bc[AUISDN_BCHANNELS]; /* B channel data */
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unsigned int insize; /* Max. Block Size of Input INT */
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unsigned int outsize; /* Max. Block Size of Output INT */
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unsigned int outInterval; /* nr. of ms between INT OUT transfers */
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struct urb *intbi_urbp; /* B channel Input Interrupt urb */
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unsigned char *intbi_bufp; /* B channel Input data buffer */
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unsigned int paketsize; /* Data size of the INT OUT pakets */
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struct usb_device *usbdev; /* USB device handle */
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unsigned int intbo_state; /* Status of INT OUT urb */
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struct urb *intbo_urbp; /* B channel Output Interrupt urb */
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unsigned char *intbo_bufp; /* B channel Output data buffer */
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unsigned int intbo_index; /* Index of last served B channel */
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unsigned int intbo_toggletimer; /* data toggle timer for 2 b channels */
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unsigned int intbo_endp; /* grrr.. different on some devices */
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struct timer_list dcopen_timer; /* Open D-channel once more later... */
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};
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struct auerhisax {
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struct hisax_d_if hisax_d_if; /* Hisax D-Channel interface */
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struct hisax_b_if hisax_b_if[AUISDN_BCHANNELS]; /* Hisax B-channel interfaces */
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struct auerswald *cp; /* Context to usb device */
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unsigned int hisax_registered; /* 1 if registered at hisax interface */
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unsigned char txseq; /* L2 emulation: tx sequence byte */
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unsigned char rxseq; /* L2 emulation: rx sequence byte */
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spinlock_t seq_lock; /* Lock sequence numbers */
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unsigned long last_close; /* Time of last close in jiffies */
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};
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/* Function Prototypes */
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void auerisdn_init_dev(struct auerswald *cp);
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int auerisdn_probe(struct auerswald *cp);
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void auerisdn_disconnect(struct auerswald *cp);
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void auerisdn_init(void);
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void auerisdn_cleanup(void);
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#else /* no CONFIG_USB_AUERISDN */
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struct auerisdn {
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int dummy;
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};
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/* Dummy ISDN functions */
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#define auerisdn_init_dev( cp)
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#define auerisdn_probe( cp) 0
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#define auerisdn_disconnect( cp)
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#define auerisdn_init()
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#define auerisdn_cleanup()
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#endif /* CONFIG_USB_AUERISDN */
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#endif /* AUERISDN_H */
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