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/* $Id: isdn_tty.h,v 1.16 1999/08/22 20:26:10 calle Exp $
* header for Linux ISDN subsystem, tty related functions (linklevel).
*
* Copyright 1994-1999 by Fritz Elfert (fritz@isdn4linux.de)
* Copyright 1995,96 by Thinking Objects Software GmbH Wuerzburg
*
* 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, 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.
*
* $Log: isdn_tty.h,v $
* Revision 1.16 1999/08/22 20:26:10 calle
* backported changes from kernel 2.3.14:
* - several #include "config.h" gone, others come.
* - "struct device" changed to "struct net_device" in 2.3.14, added a
* define in isdn_compat.h for older kernel versions.
*
* Revision 1.15 1999/07/31 12:59:48 armin
* Added tty fax capabilities.
*
* Revision 1.14 1999/07/11 17:14:15 armin
* Added new layer 2 and 3 protocols for Fax and DSP functions.
* Moved "Add CPN to RING message" to new register S23,
* "Display message" is now correct on register S13 bit 7.
* New audio command AT+VDD implemented (deactivate DTMF decoder and
* activate possible existing hardware/DSP decoder).
* Moved some tty defines to .h file.
* Made whitespace possible in AT command line.
* Some AT-emulator output bugfixes.
* First Fax G3 implementations.
*
* Revision 1.13 1999/04/12 12:33:46 fritz
* Changes from 2.0 tree.
*
* Revision 1.12 1999/03/02 12:04:51 armin
* -added ISDN_STAT_ADDCH to increase supported channels after
* register_isdn().
* -ttyI now goes on-hook on ATZ when B-Ch is connected.
* -added timer-function for register S7 (Wait for Carrier).
* -analog modem (ISDN_PROTO_L2_MODEM) implementations.
* -on L2_MODEM a string will be appended to the CONNECT-Message,
* which is provided by the HL-Driver in parm.num in ISDN_STAT_BCONN.
* -variable "dialing" used for ATA also, for interrupting call
* establishment and register S7.
*
* Revision 1.11 1998/03/19 13:18:27 keil
* Start of a CAPI like interface for supplementary Service
* first service: SUSPEND
*
* Revision 1.10 1997/03/02 14:29:26 fritz
* More ttyI related cleanup.
*
* Revision 1.9 1997/02/28 02:32:49 fritz
* Cleanup: Moved some tty related stuff from isdn_common.c
* to isdn_tty.c
* Bugfix: Bisync protocol did not behave like documented.
*
* Revision 1.8 1997/02/10 20:12:50 fritz
* Changed interface for reporting incoming calls.
*
* Revision 1.7 1997/02/03 23:06:10 fritz
* Reformatted according CodingStyle
*
* Revision 1.6 1997/01/14 01:35:19 fritz
* Changed prototype of isdn_tty_modem_hup.
*
* Revision 1.5 1996/05/17 03:52:31 fritz
* Changed DLE handling for audio receive.
*
* Revision 1.4 1996/05/11 21:52:34 fritz
* Changed queue management to use sk_buffs.
*
* Revision 1.3 1996/05/07 09:16:34 fritz
* Changed isdn_try_read parameter.
*
* Revision 1.2 1996/04/30 21:05:27 fritz
* Test commit
*
* Revision 1.1 1996/01/10 21:39:22 fritz
* Initial revision
*
*/
#include <linux/config.h>
#define DLE 0x10
#define ETX 0x03
#define DC4 0x14
/*
* Definition of some special Registers of AT-Emulator
*/
#define REG_RINGATA 0
#define REG_RINGCNT 1
#define REG_ESC 2
#define REG_CR 3
#define REG_LF 4
#define REG_BS 5
#define REG_WAITC 7
#define REG_RESP 12
#define BIT_RESP 1
#define REG_RESPNUM 12
#define BIT_RESPNUM 2
#define REG_ECHO 12
#define BIT_ECHO 4
#define REG_DCD 12
#define BIT_DCD 8
#define REG_CTS 12
#define BIT_CTS 16
#define REG_DTRR 12
#define BIT_DTRR 32
#define REG_DSR 12
#define BIT_DSR 64
#define REG_CPPP 12
#define BIT_CPPP 128
#define REG_T70 13
#define BIT_T70 2
#define BIT_T70_EXT 32
#define REG_DTRHUP 13
#define BIT_DTRHUP 4
#define REG_RESPXT 13
#define BIT_RESPXT 8
#define REG_CIDONCE 13
#define BIT_CIDONCE 16
#define REG_RUNG 13
#define BIT_RUNG 64
#define REG_DISPLAY 13
#define BIT_DISPLAY 128
#define REG_L2PROT 14
#define REG_L3PROT 15
#define REG_PSIZE 16
#define REG_WSIZE 17
#define REG_SI1 18
#define REG_SI2 19
#define REG_SI1I 20
#define REG_PLAN 21
#define REG_SCREEN 22
#define REG_CPN 23
#define BIT_CPN 1
extern void isdn_tty_modem_escape(void);
extern void isdn_tty_modem_ring(void);
extern void isdn_tty_carrier_timeout(void);
extern void isdn_tty_modem_xmit(void);
extern int isdn_tty_modem_init(void);
extern void isdn_tty_readmodem(void);
extern int isdn_tty_find_icall(int, int, setup_parm);
extern void isdn_tty_cleanup_xmit(modem_info *);
extern int isdn_tty_stat_callback(int, isdn_ctrl *);
extern int isdn_tty_rcv_skb(int, int, int, struct sk_buff *);
extern int isdn_tty_capi_facility(capi_msg *cm);
extern void isdn_tty_at_cout(char *, modem_info *);
extern void isdn_tty_modem_hup(modem_info *, int);
#ifdef CONFIG_ISDN_TTY_FAX
extern int isdn_tty_cmd_PLUSF_FAX(char **, modem_info *);
extern int isdn_tty_fax_command(modem_info *);
extern void isdn_tty_fax_bitorder(modem_info *, struct sk_buff *);
#endif
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