285 lines
12 KiB
C
285 lines
12 KiB
C
/* $Id$
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*
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* ISDN lowlevel-module for the Eicon active cards.
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* IDI-Interface
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*
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* Copyright 1998-2000 by Armin Schindler (mac@melware.de)
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* Copyright 1999,2000 Cytronics & Melware (info@melware.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, or (at your option)
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* 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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* $Log$
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* Revision 1.8 1999/11/25 11:43:27 armin
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* Fixed statectrl and connect message.
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* X.75 fix and HDLC/transparent with autoconnect.
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* Minor cleanup.
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*
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* Revision 1.7 1999/08/22 20:26:46 calle
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* backported changes from kernel 2.3.14:
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* - several #include "config.h" gone, others come.
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* - "struct device" changed to "struct net_device" in 2.3.14, added a
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* define in isdn_compat.h for older kernel versions.
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*
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* Revision 1.6 1999/07/25 15:12:04 armin
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* fix of some debug logs.
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* enabled ISA-cards option.
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*
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* Revision 1.5 1999/07/11 17:16:26 armin
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* Bugfixes in queue handling.
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* Added DSP-DTMF decoder functions.
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* Reorganized ack_handler.
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*
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* Revision 1.4 1999/03/29 11:19:44 armin
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* I/O stuff now in seperate file (eicon_io.c)
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* Old ISA type cards (S,SX,SCOM,Quadro,S2M) implemented.
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*
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* Revision 1.3 1999/03/02 12:37:45 armin
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* Added some important checks.
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* Analog Modem with DSP.
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* Channels will be added to Link-Level after loading firmware.
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*
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* Revision 1.2 1999/01/24 20:14:18 armin
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* Changed and added debug stuff.
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* Better data sending. (still problems with tty's flip buffer)
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*
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* Revision 1.1 1999/01/01 18:09:42 armin
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* First checkin of new eicon driver.
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* DIVA-Server BRI/PCI and PRI/PCI are supported.
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* Old diehl code is obsolete.
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*
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*
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*/
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#ifndef IDI_H
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#define IDI_H
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#include <linux/config.h>
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#define ASSIGN 0x01
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#define REMOVE 0xff
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#define CALL_REQ 1 /* call request */
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#define CALL_CON 1 /* call confirmation */
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#define CALL_IND 2 /* incoming call connected */
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#define LISTEN_REQ 2 /* listen request */
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#define HANGUP 3 /* hangup request/indication */
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#define SUSPEND 4 /* call suspend request/confirm */
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#define RESUME 5 /* call resume request/confirm */
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#define SUSPEND_REJ 6 /* suspend rejected indication */
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#define USER_DATA 8 /* user data for user to user signaling */
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#define CONGESTION 9 /* network congestion indication */
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#define INDICATE_REQ 10 /* request to indicate an incoming call */
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#define INDICATE_IND 10 /* indicates that there is an incoming call */
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#define CALL_RES 11 /* accept an incoming call */
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#define CALL_ALERT 12 /* send ALERT for incoming call */
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#define INFO_REQ 13 /* INFO request */
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#define INFO_IND 13 /* INFO indication */
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#define REJECT 14 /* reject an incoming call */
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#define RESOURCES 15 /* reserve B-Channel hardware resources */
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#define TEL_CTRL 16 /* Telephone control request/indication */
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#define STATUS_REQ 17 /* Request D-State (returned in INFO_IND) */
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#define FAC_REG_REQ 18 /* connection idependent fac registration */
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#define FAC_REG_ACK 19 /* fac registration acknowledge */
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#define FAC_REG_REJ 20 /* fac registration reject */
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#define CALL_COMPLETE 21/* send a CALL_PROC for incoming call */
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#define AOC_IND 26/* Advice of Charge */
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#define IDI_N_MDATA (0x01)
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#define IDI_N_CONNECT (0x02)
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#define IDI_N_CONNECT_ACK (0x03)
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#define IDI_N_DISC (0x04)
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#define IDI_N_DISC_ACK (0x05)
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#define IDI_N_RESET (0x06)
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#define IDI_N_RESET_ACK (0x07)
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#define IDI_N_DATA (0x08)
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#define IDI_N_EDATA (0x09)
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#define IDI_N_UDATA (0x0a)
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#define IDI_N_BDATA (0x0b)
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#define IDI_N_DATA_ACK (0x0c)
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#define IDI_N_EDATA_ACK (0x0d)
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#define N_Q_BIT 0x10 /* Q-bit for req/ind */
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#define N_M_BIT 0x20 /* M-bit for req/ind */
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#define N_D_BIT 0x40 /* D-bit for req/ind */
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#define SHIFT 0x90 /* codeset shift */
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#define MORE 0xa0 /* more data */
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#define CL 0xb0 /* congestion level */
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/* codeset 0 */
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#define BC 0x04 /* Bearer Capability */
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#define CAU 0x08 /* cause */
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#define CAD 0x0c /* Connected address */
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#define CAI 0x10 /* call identity */
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#define CHI 0x18 /* channel identification */
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#define LLI 0x19 /* logical link id */
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#define CHA 0x1a /* charge advice */
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#define FTY 0x1c
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#define PI 0x1e /* Progress Indicator */
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#define NI 0x27 /* Notification Indicator */
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#define DT 0x29 /* ETSI date/time */
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#define KEY 0x2c /* keypad information element */
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#define DSP 0x28 /* display */
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#define OAD 0x6c /* origination address */
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#define OSA 0x6d /* origination sub-address */
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#define CPN 0x70 /* called party number */
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#define DSA 0x71 /* destination sub-address */
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#define RDN 0x74 /* redirecting number */
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#define LLC 0x7c /* low layer compatibility */
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#define HLC 0x7d /* high layer compatibility */
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#define UUI 0x7e /* user user information */
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#define ESC 0x7f /* escape extension */
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#define DLC 0x20 /* data link layer configuration */
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#define NLC 0x21 /* network layer configuration */
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/* codeset 6 */
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#define SIN 0x01 /* service indicator */
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#define CIF 0x02 /* charging information */
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#define DATE 0x03 /* date */
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#define CPS 0x07 /* called party status */
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/*------------------------------------------------------------------*/
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/* return code coding */
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/*------------------------------------------------------------------*/
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#define UNKNOWN_COMMAND 0x01 /* unknown command */
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#define WRONG_COMMAND 0x02 /* wrong command */
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#define WRONG_ID 0x03 /* unknown task/entity id */
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#define WRONG_CH 0x04 /* wrong task/entity id */
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#define UNKNOWN_IE 0x05 /* unknown information el. */
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#define WRONG_IE 0x06 /* wrong information el. */
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#define OUT_OF_RESOURCES 0x07 /* card out of res. */
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#define N_FLOW_CONTROL 0x10 /* Flow-Control, retry */
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#define ASSIGN_RC 0xe0 /* ASSIGN acknowledgement */
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#define ASSIGN_OK 0xef /* ASSIGN OK */
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#define OK_FC 0xfc /* Flow-Control RC */
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#define READY_INT 0xfd /* Ready interrupt */
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#define TIMER_INT 0xfe /* timer interrupt */
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#define OK 0xff /* command accepted */
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/*------------------------------------------------------------------*/
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/* defines for statectrl */
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#define WAITING_FOR_HANGUP 0x01
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#define HAVE_CONN_REQ 0x02
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typedef struct {
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char cpn[32];
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char oad[32];
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char dsa[32];
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char osa[32];
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__u8 plan;
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__u8 screen;
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__u8 sin[4];
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__u8 chi[4];
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__u8 e_chi[4];
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__u8 bc[12];
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__u8 e_bc[12];
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__u8 llc[18];
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__u8 hlc[5];
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__u8 cau[4];
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__u8 e_cau[2];
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__u8 e_mt;
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__u8 dt[6];
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char display[83];
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char keypad[35];
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char rdn[32];
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} idi_ind_message;
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typedef struct {
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__u16 next __attribute__ ((packed));
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__u8 Req __attribute__ ((packed));
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__u8 ReqId __attribute__ ((packed));
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__u8 ReqCh __attribute__ ((packed));
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__u8 Reserved1 __attribute__ ((packed));
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__u16 Reference __attribute__ ((packed));
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__u8 Reserved[8] __attribute__ ((packed));
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eicon_PBUFFER XBuffer;
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} eicon_REQ;
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typedef struct {
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__u16 next __attribute__ ((packed));
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__u8 Rc __attribute__ ((packed));
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__u8 RcId __attribute__ ((packed));
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__u8 RcCh __attribute__ ((packed));
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__u8 Reserved1 __attribute__ ((packed));
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__u16 Reference __attribute__ ((packed));
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__u8 Reserved2[8] __attribute__ ((packed));
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} eicon_RC;
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typedef struct {
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__u16 next __attribute__ ((packed));
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__u8 Ind __attribute__ ((packed));
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__u8 IndId __attribute__ ((packed));
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__u8 IndCh __attribute__ ((packed));
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__u8 MInd __attribute__ ((packed));
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__u16 MLength __attribute__ ((packed));
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__u16 Reference __attribute__ ((packed));
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__u8 RNR __attribute__ ((packed));
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__u8 Reserved __attribute__ ((packed));
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__u32 Ack __attribute__ ((packed));
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eicon_PBUFFER RBuffer;
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} eicon_IND;
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typedef struct {
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__u16 NextReq __attribute__ ((packed)); /* pointer to next Req Buffer */
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__u16 NextRc __attribute__ ((packed)); /* pointer to next Rc Buffer */
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__u16 NextInd __attribute__ ((packed)); /* pointer to next Ind Buffer */
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__u8 ReqInput __attribute__ ((packed)); /* number of Req Buffers sent */
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__u8 ReqOutput __attribute__ ((packed)); /* number of Req Buffers returned */
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__u8 ReqReserved __attribute__ ((packed));/*number of Req Buffers reserved */
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__u8 Int __attribute__ ((packed)); /* ISDN-P interrupt */
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__u8 XLock __attribute__ ((packed)); /* Lock field for arbitration */
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__u8 RcOutput __attribute__ ((packed)); /* number of Rc buffers received */
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__u8 IndOutput __attribute__ ((packed)); /* number of Ind buffers received */
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__u8 IMask __attribute__ ((packed)); /* Interrupt Mask Flag */
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__u8 Reserved1[2] __attribute__ ((packed)); /* reserved field, do not use */
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__u8 ReadyInt __attribute__ ((packed)); /* request field for ready int */
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__u8 Reserved2[12] __attribute__ ((packed)); /* reserved field, do not use */
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__u8 InterfaceType __attribute__ ((packed)); /* interface type 1=16K */
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__u16 Signature __attribute__ ((packed)); /* ISDN-P initialized ind */
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__u8 B[1]; /* buffer space for Req,Ind and Rc */
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} eicon_pr_ram;
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typedef struct {
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__u8 *Data;
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unsigned int Size;
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unsigned int Len;
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__u8 *Next;
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} eicon_OBJBUFFER;
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extern int idi_do_req(eicon_card *card, eicon_chan *chan, int cmd, int layer);
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extern int idi_hangup(eicon_card *card, eicon_chan *chan);
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extern int idi_connect_res(eicon_card *card, eicon_chan *chan);
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extern int eicon_idi_listen_req(eicon_card *card, eicon_chan *chan);
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extern int idi_connect_req(eicon_card *card, eicon_chan *chan, char *phone,
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char *eazmsn, int si1, int si2);
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extern void idi_handle_ack(eicon_card *card, struct sk_buff *skb);
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extern void idi_handle_ind(eicon_card *card, struct sk_buff *skb);
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extern int eicon_idi_manage(eicon_card *card, eicon_manifbuf *mb);
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extern int idi_send_data(eicon_card *card, eicon_chan *chan, int ack, struct sk_buff *skb, int que);
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extern void idi_audio_cmd(eicon_card *ccard, eicon_chan *chan, int cmd, u_char *value);
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#ifdef CONFIG_ISDN_TTY_FAX
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extern void idi_fax_cmd(eicon_card *card, eicon_chan *chan);
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extern int idi_faxdata_send(eicon_card *ccard, eicon_chan *chan, struct sk_buff *skb);
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#endif
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#endif
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