isdn.h

嵌入式ARM的一些源代码

/* $Id: isdn.h,v 1.32 1997/08/21 09:49:46 fritz Exp $
 *
 * Main header for the Linux ISDN subsystem (linklevel).
 *
 * Copyright 1994,95,96 by Fritz Elfert ([e-mail])
 * Copyright 1995,96    by Thinking Objects Software GmbH Wuerzburg
 * Copyright 1995,96    by Michael Hipp ([e-mail])
 * 
 * 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.h,v $
 * Revision 1.32  1997/08/21 09:49:46  fritz
 * Increased NET_DV
 *
 * Revision 1.31  1997/06/22 11:57:07  fritz
 * Added ability to adjust slave triggerlevel.
 *
 * Revision 1.30  1997/06/17 13:07:23  hipp
 * compression changes , MP changes
 *
 * Revision 1.29  1997/05/27 15:18:02  fritz
 * Added changes for recent 2.1.x kernels:
 *   changed return type of isdn_close
 *   queue_task_* -> queue_task
 *   clear/set_bit -> test_and_... where apropriate.
 *   changed type of hard_header_cache parameter.
 *
 * Revision 1.28  1997/03/07 01:33:01  fritz
 * Added proper ifdef's for CONFIG_ISDN_AUDIO
 *
 * Revision 1.27  1997/03/05 21:11:49  fritz
 * Minor fixes.
 *
 * Revision 1.26  1997/02/28 02:37:53  fritz
 * Added some comments.
 *
 * Revision 1.25  1997/02/23 16:54:23  hipp
 * some initial changes for future PPP compresion
 *
 * Revision 1.24  1997/02/18 09:42:45  fritz
 * Bugfix: Increased ISDN_MODEM_ANZREG.
 * Increased TTY_DV.
 *
 * Revision 1.23  1997/02/10 22:07:13  fritz
 * Added 2 modem registers for numbering plan and screening info.
 *
 * Revision 1.22  1997/02/03 23:42:08  fritz
 * Added ISDN_TIMER_RINGING
 * Misc. changes for Kernel 2.1.X compatibility
 *
 * Revision 1.21  1997/01/17 01:19:10  fritz
 * Applied chargeint patch.
 *
 * Revision 1.20  1997/01/17 00:41:19  fritz
 * Increased TTY_DV.
 *
 * Revision 1.19  1997/01/14 01:41:07  fritz
 * Added ATI2 related variables.
 * Added variables for audio support in skbuffs.
 *
 * Revision 1.18  1996/11/06 17:37:50  keil
 * more changes for 2.1.X
 *
 * Revision 1.17  1996/09/07 12:53:57  hipp
 * moved a few isdn_ppp.c specific defines to drives/isdn/isdn_ppp.h
 *
 * Revision 1.16  1996/08/12 16:20:56  hipp
 * renamed ppp_minor to ppp_slot
 *
 * Revision 1.15  1996/06/15 14:56:57  fritz
 * Added version signatures for data structures used
 * by userlevel programs.
 *
 * Revision 1.14  1996/06/06 21:24:23  fritz
 * Started adding support for suspend/resume.
 *
 * Revision 1.13  1996/06/05 02:18:20  fritz
 * Added DTMF decoding stuff.
 *
 * Revision 1.12  1996/06/03 19:55:08  fritz
 * Fixed typos.
 *
 * Revision 1.11  1996/05/31 01:37:47  fritz
 * Minor changes, due to changes in isdn_tty.c
 *
 * Revision 1.10  1996/05/18 01:37:18  fritz
 * Added spelling corrections and some minor changes
 * to stay in sync with kernel.
 *
 * Revision 1.9  1996/05/17 03:58:20  fritz
 * Added flags for DLE handling.
 *
 * Revision 1.8  1996/05/11 21:49:55  fritz
 * Removed queue management variables.
 * Changed queue management to use sk_buffs.
 *
 * Revision 1.7  1996/05/07 09:10:06  fritz
 * Reorganized tty-related structs.
 *
 * Revision 1.6  1996/05/06 11:38:27  hipp
 * minor change in ippp struct
 *
 * Revision 1.5  1996/04/30 11:03:16  fritz
 * Added Michael's ippp-bind patch.
 *
 * Revision 1.4  1996/04/29 23:00:02  fritz
 * Added variables for voice-support.
 *
 * Revision 1.3  1996/04/20 16:54:58  fritz
 * Increased maximum number of channels.
 * Added some flags for isdn_net to handle callback more reliable.
 * Fixed delay-definitions to be more accurate.
 * Misc. typos
 *
 * Revision 1.2  1996/02/11 02:10:02  fritz
 * Changed IOCTL-names
 * Added rx_netdev, st_netdev, first_skb, org_hcb, and org_hcu to
 * Netdevice-local struct.
 *
 * Revision 1.1  1996/01/10 20:55:07  fritz
 * Initial revision
 *
 */

#ifndef isdn_h
#define isdn_h

#include <linux/ioctl.h>

#define ISDN_TTY_MAJOR    43
#define ISDN_TTYAUX_MAJOR 44
#define ISDN_MAJOR        45

/* The minor-devicenumbers for Channel 0 and 1 are used as arguments for
 * physical Channel-Mapping, so they MUST NOT be changed without changing
 * the correspondent code in isdn.c
 */

#define ISDN_MAX_DRIVERS    32
#define ISDN_MAX_CHANNELS   64
#define ISDN_MINOR_B        0
#define ISDN_MINOR_BMAX     (ISDN_MAX_CHANNELS-1)
#define ISDN_MINOR_CTRL     ISDN_MAX_CHANNELS
#define ISDN_MINOR_CTRLMAX  (2*ISDN_MAX_CHANNELS-1)
#define ISDN_MINOR_PPP      (2*ISDN_MAX_CHANNELS)
#define ISDN_MINOR_PPPMAX   (3*ISDN_MAX_CHANNELS-1)
#define ISDN_MINOR_STATUS   255

/* New ioctl-codes */
#define IIOCNETAIF  _IO('I',1)
#define IIOCNETDIF  _IO('I',2)
#define IIOCNETSCF  _IO('I',3)
#define IIOCNETGCF  _IO('I',4)
#define IIOCNETANM  _IO('I',5)
#define IIOCNETDNM  _IO('I',6)
#define IIOCNETGNM  _IO('I',7)
#define IIOCGETSET  _IO('I',8)
#define IIOCSETSET  _IO('I',9)
#define IIOCSETVER  _IO('I',10)
#define IIOCNETHUP  _IO('I',11)
#define IIOCSETGST  _IO('I',12)
#define IIOCSETBRJ  _IO('I',13)
#define IIOCSIGPRF  _IO('I',14)
#define IIOCGETPRF  _IO('I',15)
#define IIOCSETPRF  _IO('I',16)
#define IIOCGETMAP  _IO('I',17)
#define IIOCSETMAP  _IO('I',18)
#define IIOCNETASL  _IO('I',19)
#define IIOCNETDIL  _IO('I',20)
#define IIOCGETCPS  _IO('I',21)
#define IIOCGETDVR  _IO('I',22)

#define IIOCNETALN  _IO('I',32)
#define IIOCNETDLN  _IO('I',33)

#define IIOCDBGVAR  _IO('I',127)

#define IIOCDRVCTL  _IO('I',128)

/* Packet encapsulations for net-interfaces */
#define ISDN_NET_ENCAP_ETHER     0
#define ISDN_NET_ENCAP_RAWIP     1
#define ISDN_NET_ENCAP_IPTYP     2
#define ISDN_NET_ENCAP_CISCOHDLC 3
#define ISDN_NET_ENCAP_SYNCPPP   4
#define ISDN_NET_ENCAP_UIHDLC    5

/* Facility which currently uses an ISDN-channel */
#define ISDN_USAGE_NONE       0
#define ISDN_USAGE_RAW        1
#define ISDN_USAGE_MODEM      2
#define ISDN_USAGE_NET        3
#define ISDN_USAGE_VOICE      4
#define ISDN_USAGE_FAX        5
#define ISDN_USAGE_MASK       7 /* Mask to get plain usage */
#define ISDN_USAGE_EXCLUSIVE 64 /* This bit is set, if channel is exclusive */
#define ISDN_USAGE_OUTGOING 128 /* This bit is set, if channel is outgoing  */

#define ISDN_MODEM_ANZREG    23        /* Number of Modem-Registers        */
#define ISDN_MSNLEN          20

typedef struct {
  char drvid[25];
  unsigned long arg;
} isdn_ioctl_struct;

typedef struct {
  unsigned long isdndev;
  unsigned long atmodem[ISDN_MAX_CHANNELS];
  unsigned long info[ISDN_MAX_CHANNELS];
} debugvar_addr;

typedef struct {
  char name[10];
  char phone[ISDN_MSNLEN];
  int  outgoing;
} isdn_net_ioctl_phone;

#define NET_DV 0x04 /* Data version for net_cfg     */
#define TTY_DV 0x04 /* Data version for iprofd etc. */

typedef struct {
  char name[10];     /* Name of interface                     */
  char master[10];   /* Name of Master for Bundling           */
  char slave[10];    /* Name of Slave for Bundling            */
  char eaz[256];     /* EAZ/MSN                               */
  char drvid[25];    /* DriverId for Bindings                 */
  int  onhtime;      /* Hangup-Timeout                        */
  int  charge;       /* Charge-Units                          */
  int  l2_proto;     /* Layer-2 protocol                      */
  int  l3_proto;     /* Layer-3 protocol                      */
  int  p_encap;      /* Encapsulation                         */
  int  exclusive;    /* Channel, if bound exclusive           */
  int  dialmax;      /* Dial Retry-Counter                    */
  int  slavedelay;   /* Delay until slave starts up           */
  int  cbdelay;      /* Delay before Callback                 */