drivers/isdn/eicon/eicon_idi.h

   1 /* $Id: eicon_idi.h,v 1.4 1999/03/29 11:19:44 armin Exp $
   2  *
   3  * ISDN lowlevel-module for the Eicon.Diehl active cards.
   4  * IDI-Interface
   5  *
   6  * Copyright 1998,99 by Armin Schindler (mac@melware.de)
   7  * Copyright 1999    Cytronics & Melware (info@melware.de)
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  * $Log: eicon_idi.h,v $
  24  * Revision 1.4  1999/03/29 11:19:44  armin
  25  * I/O stuff now in seperate file (eicon_io.c)
  26  * Old ISA type cards (S,SX,SCOM,Quadro,S2M) implemented.
  27  *
  28  * Revision 1.3  1999/03/02 12:37:45  armin
  29  * Added some important checks.
  30  * Analog Modem with DSP.
  31  * Channels will be added to Link-Level after loading firmware.
  32  *
  33  * Revision 1.2  1999/01/24 20:14:18  armin
  34  * Changed and added debug stuff.
  35  * Better data sending. (still problems with tty's flip buffer)
  36  *
  37  * Revision 1.1  1999/01/01 18:09:42  armin
  38  * First checkin of new eicon driver.
  39  * DIVA-Server BRI/PCI and PRI/PCI are supported.
  40  * Old diehl code is obsolete.
  41  *
  42  *
  43  */
  44
  45 #ifndef IDI_H
  46 #define IDI_H
  47
  48
  49 #define ASSIGN  0x01
  50 #define REMOVE  0xff
  51
  52 #define CALL_REQ 1      /* call request                             */
  53 #define CALL_CON 1      /* call confirmation                        */
  54 #define CALL_IND 2      /* incoming call connected                  */
  55 #define LISTEN_REQ 2    /* listen request                           */
  56 #define HANGUP 3        /* hangup request/indication                */
  57 #define SUSPEND 4       /* call suspend request/confirm             */
  58 #define RESUME 5        /* call resume request/confirm              */
  59 #define SUSPEND_REJ 6   /* suspend rejected indication              */
  60 #define USER_DATA 8     /* user data for user to user signaling     */
  61 #define CONGESTION 9    /* network congestion indication            */
  62 #define INDICATE_REQ 10 /* request to indicate an incoming call     */
  63 #define INDICATE_IND 10 /* indicates that there is an incoming call */
  64 #define CALL_RES 11     /* accept an incoming call                  */
  65 #define CALL_ALERT 12   /* send ALERT for incoming call             */
  66 #define INFO_REQ 13     /* INFO request                             */
  67 #define INFO_IND 13     /* INFO indication                          */
  68 #define REJECT 14       /* reject an incoming call                  */
  69 #define RESOURCES 15    /* reserve B-Channel hardware resources     */
  70 #define TEL_CTRL 16     /* Telephone control request/indication     */
  71 #define STATUS_REQ 17   /* Request D-State (returned in INFO_IND)   */
  72 #define FAC_REG_REQ 18  /* connection idependent fac registration   */
  73 #define FAC_REG_ACK 19  /* fac registration acknowledge             */
  74 #define FAC_REG_REJ 20  /* fac registration reject                  */
  75 #define CALL_COMPLETE 21/* send a CALL_PROC for incoming call       */
  76 #define AOC_IND       26/* Advice of Charge                         */
  77
  78 #define IDI_N_MDATA         (0x01)
  79 #define IDI_N_CONNECT       (0x02)
  80 #define IDI_N_CONNECT_ACK   (0x03)
  81 #define IDI_N_DISC          (0x04)
  82 #define IDI_N_DISC_ACK      (0x05)
  83 #define IDI_N_RESET         (0x06)
  84 #define IDI_N_RESET_ACK     (0x07)
  85 #define IDI_N_DATA          (0x08)
  86 #define IDI_N_EDATA         (0x09)
  87 #define IDI_N_UDATA         (0x0a)
  88 #define IDI_N_BDATA         (0x0b)
  89 #define IDI_N_DATA_ACK      (0x0c)
  90 #define IDI_N_EDATA_ACK     (0x0d)
  91
  92 #define N_Q_BIT         0x10    /* Q-bit for req/ind                */
  93 #define N_M_BIT         0x20    /* M-bit for req/ind                */
  94 #define N_D_BIT         0x40    /* D-bit for req/ind                */
  95
  96
  97 #define SHIFT 0x90              /* codeset shift                    */
  98 #define MORE 0xa0               /* more data                        */
  99 #define CL 0xb0                 /* congestion level                 */
 100
 101         /* codeset 0                                                */
 102
 103 #define BC  0x04                /* Bearer Capability                */
 104 #define CAU 0x08                /* cause                            */
 105 #define CAD 0x0c                /* Connected address                */
 106 #define CAI 0x10                /* call identity                    */
 107 #define CHI 0x18                /* channel identification           */
 108 #define LLI 0x19                /* logical link id                  */
 109 #define CHA 0x1a                /* charge advice                    */
 110 #define FTY 0x1c
 111 #define PI  0x1e                /* Progress Indicator               */
 112 #define NI  0x27                /* Notification Indicator           */
 113 #define DT  0x29                /* ETSI date/time                   */
 114 #define KEY 0x2c                /* keypad information element       */
 115 #define DSP 0x28                /* display                          */
 116 #define OAD 0x6c                /* origination address              */
 117 #define OSA 0x6d                /* origination sub-address          */
 118 #define CPN 0x70                /* called party number              */
 119 #define DSA 0x71                /* destination sub-address          */
 120 #define RDN 0x74                /* redirecting number               */
 121 #define LLC 0x7c                /* low layer compatibility          */
 122 #define HLC 0x7d                /* high layer compatibility         */
 123 #define UUI 0x7e                /* user user information            */
 124 #define ESC 0x7f                /* escape extension                 */
 125
 126 #define DLC 0x20                /* data link layer configuration    */
 127 #define NLC 0x21                /* network layer configuration      */
 128
 129         /* codeset 6                                                */
 130
 131 #define SIN 0x01                /* service indicator                */
 132 #define CIF 0x02                /* charging information             */
 133 #define DATE 0x03               /* date                             */
 134 #define CPS 0x07                /* called party status              */
 135
 136 /*------------------------------------------------------------------*/
 137 /* return code coding                                               */
 138 /*------------------------------------------------------------------*/
 139
 140 #define UNKNOWN_COMMAND         0x01    /* unknown command          */
 141 #define WRONG_COMMAND           0x02    /* wrong command            */
 142 #define WRONG_ID                0x03    /* unknown task/entity id   */
 143 #define WRONG_CH                0x04    /* wrong task/entity id     */
 144 #define UNKNOWN_IE              0x05    /* unknown information el.  */
 145 #define WRONG_IE                0x06    /* wrong information el.    */
 146 #define OUT_OF_RESOURCES        0x07    /* card out of res.         */
 147 #define N_FLOW_CONTROL          0x10    /* Flow-Control, retry      */
 148 #define ASSIGN_RC               0xe0    /* ASSIGN acknowledgement   */
 149 #define ASSIGN_OK               0xef    /* ASSIGN OK                */
 150 #define OK_FC                   0xfc    /* Flow-Control RC          */
 151 #define READY_INT               0xfd    /* Ready interrupt          */
 152 #define TIMER_INT               0xfe    /* timer interrupt          */
 153 #define OK                      0xff    /* command accepted         */
 154
 155 /*------------------------------------------------------------------*/
 156
 157 typedef struct {
 158         char cpn[32];
 159         char oad[32];
 160         char dsa[32];
 161         char osa[32];
 162         __u8 plan;
 163         __u8 screen;
 164         __u8 sin[4];
 165         __u8 chi[4];
 166         __u8 e_chi[4];
 167         __u8 bc[12];
 168         __u8 e_bc[12];
 169         __u8 llc[18];
 170         __u8 hlc[5];
 171         __u8 cau[4];
 172         __u8 e_cau[2];
 173         __u8 e_mt;
 174         __u8 dt[6];
 175         char display[83];
 176         char keypad[35];
 177         char rdn[32];
 178 } idi_ind_message;
 179
 180 typedef struct {
 181   __u16 next            __attribute__ ((packed));
 182   __u8  Req             __attribute__ ((packed));
 183   __u8  ReqId           __attribute__ ((packed));
 184   __u8  ReqCh           __attribute__ ((packed));
 185   __u8  Reserved1       __attribute__ ((packed));
 186   __u16 Reference       __attribute__ ((packed));
 187   __u8  Reserved[8]     __attribute__ ((packed));
 188   eicon_PBUFFER XBuffer;
 189 } eicon_REQ;
 190
 191 typedef struct {
 192   __u16 next            __attribute__ ((packed));
 193   __u8  Rc              __attribute__ ((packed));
 194   __u8  RcId            __attribute__ ((packed));
 195   __u8  RcCh            __attribute__ ((packed));
 196   __u8  Reserved1       __attribute__ ((packed));
 197   __u16 Reference       __attribute__ ((packed));
 198   __u8  Reserved2[8]    __attribute__ ((packed));
 199 } eicon_RC;
 200
 201 typedef struct {
 202   __u16 next            __attribute__ ((packed));
 203   __u8  Ind             __attribute__ ((packed));
 204   __u8  IndId           __attribute__ ((packed));
 205   __u8  IndCh           __attribute__ ((packed));
 206   __u8  MInd            __attribute__ ((packed));
 207   __u16 MLength         __attribute__ ((packed));
 208   __u16 Reference       __attribute__ ((packed));
 209   __u8  RNR             __attribute__ ((packed));
 210   __u8  Reserved        __attribute__ ((packed));
 211   __u32 Ack             __attribute__ ((packed));
 212   eicon_PBUFFER RBuffer;
 213 } eicon_IND;
 214
 215 typedef struct {
 216   __u16 NextReq  __attribute__ ((packed));  /* pointer to next Req Buffer */
 217   __u16 NextRc   __attribute__ ((packed));  /* pointer to next Rc Buffer  */
 218   __u16 NextInd  __attribute__ ((packed));  /* pointer to next Ind Buffer */
 219   __u8 ReqInput  __attribute__ ((packed));  /* number of Req Buffers sent */
 220   __u8 ReqOutput  __attribute__ ((packed)); /* number of Req Buffers returned */
 221   __u8 ReqReserved  __attribute__ ((packed));/*number of Req Buffers reserved */
 222   __u8 Int  __attribute__ ((packed));       /* ISDN-P interrupt           */
 223   __u8 XLock  __attribute__ ((packed));     /* Lock field for arbitration */
 224   __u8 RcOutput  __attribute__ ((packed));  /* number of Rc buffers received */
 225   __u8 IndOutput  __attribute__ ((packed)); /* number of Ind buffers received */
 226   __u8 IMask  __attribute__ ((packed));     /* Interrupt Mask Flag        */
 227   __u8 Reserved1[2]  __attribute__ ((packed)); /* reserved field, do not use */
 228   __u8 ReadyInt  __attribute__ ((packed));  /* request field for ready int */
 229   __u8 Reserved2[12]  __attribute__ ((packed)); /* reserved field, do not use */
 230   __u8 InterfaceType  __attribute__ ((packed)); /* interface type 1=16K    */
 231   __u16 Signature  __attribute__ ((packed));    /* ISDN-P initialized ind  */
 232   __u8 B[1];                            /* buffer space for Req,Ind and Rc */
 233 } eicon_pr_ram;
 234
 235
 236 extern int idi_do_req(eicon_card *card, eicon_chan *chan, int cmd, int layer);
 237 extern int idi_hangup(eicon_card *card, eicon_chan *chan);
 238 extern int idi_connect_res(eicon_card *card, eicon_chan *chan);
 239 extern int eicon_idi_listen_req(eicon_card *card, eicon_chan *chan);
 240 extern int idi_connect_req(eicon_card *card, eicon_chan *chan, char *phone,
 241                             char *eazmsn, int si1, int si2);
 242
 243 extern void idi_handle_ack(eicon_card *card, struct sk_buff *skb);
 244 extern void idi_handle_ind(eicon_card *card, struct sk_buff *skb);
 245 extern int eicon_idi_manage(eicon_card *card, eicon_manifbuf *mb);
 246 extern int idi_send_data(eicon_card *card, eicon_chan *chan, int ack, struct sk_buff *skb);
 247
 248 #endif