Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: isdnif.h,v 1.43.2.2 2004/01/12 23:08:35 keil Exp $ |
| 2 | * |
| 3 | * Linux ISDN subsystem |
| 4 | * Definition of the interface between the subsystem and its low-level drivers. |
| 5 | * |
| 6 | * Copyright 1994,95,96 by Fritz Elfert (fritz@isdn4linux.de) |
| 7 | * Copyright 1995,96 Thinking Objects Software GmbH Wuerzburg |
| 8 | * |
| 9 | * This software may be used and distributed according to the terms |
| 10 | * of the GNU General Public License, incorporated herein by reference. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #ifndef __ISDNIF_H__ |
| 15 | #define __ISDNIF_H__ |
| 16 | |
| 17 | |
| 18 | /* |
| 19 | * Values for general protocol-selection |
| 20 | */ |
| 21 | #define ISDN_PTYPE_UNKNOWN 0 /* Protocol undefined */ |
| 22 | #define ISDN_PTYPE_1TR6 1 /* german 1TR6-protocol */ |
| 23 | #define ISDN_PTYPE_EURO 2 /* EDSS1-protocol */ |
| 24 | #define ISDN_PTYPE_LEASED 3 /* for leased lines */ |
| 25 | #define ISDN_PTYPE_NI1 4 /* US NI-1 protocol */ |
| 26 | #define ISDN_PTYPE_MAX 7 /* Max. 8 Protocols */ |
| 27 | |
| 28 | /* |
| 29 | * Values for Layer-2-protocol-selection |
| 30 | */ |
| 31 | #define ISDN_PROTO_L2_X75I 0 /* X75/LAPB with I-Frames */ |
| 32 | #define ISDN_PROTO_L2_X75UI 1 /* X75/LAPB with UI-Frames */ |
| 33 | #define ISDN_PROTO_L2_X75BUI 2 /* X75/LAPB with UI-Frames */ |
| 34 | #define ISDN_PROTO_L2_HDLC 3 /* HDLC */ |
| 35 | #define ISDN_PROTO_L2_TRANS 4 /* Transparent (Voice) */ |
| 36 | #define ISDN_PROTO_L2_X25DTE 5 /* X25/LAPB DTE mode */ |
| 37 | #define ISDN_PROTO_L2_X25DCE 6 /* X25/LAPB DCE mode */ |
| 38 | #define ISDN_PROTO_L2_V11096 7 /* V.110 bitrate adaption 9600 Baud */ |
| 39 | #define ISDN_PROTO_L2_V11019 8 /* V.110 bitrate adaption 19200 Baud */ |
| 40 | #define ISDN_PROTO_L2_V11038 9 /* V.110 bitrate adaption 38400 Baud */ |
| 41 | #define ISDN_PROTO_L2_MODEM 10 /* Analog Modem on Board */ |
| 42 | #define ISDN_PROTO_L2_FAX 11 /* Fax Group 2/3 */ |
| 43 | #define ISDN_PROTO_L2_HDLC_56K 12 /* HDLC 56k */ |
| 44 | #define ISDN_PROTO_L2_MAX 15 /* Max. 16 Protocols */ |
| 45 | |
| 46 | /* |
| 47 | * Values for Layer-3-protocol-selection |
| 48 | */ |
| 49 | #define ISDN_PROTO_L3_TRANS 0 /* Transparent */ |
| 50 | #define ISDN_PROTO_L3_TRANSDSP 1 /* Transparent with DSP */ |
| 51 | #define ISDN_PROTO_L3_FCLASS2 2 /* Fax Group 2/3 CLASS 2 */ |
| 52 | #define ISDN_PROTO_L3_FCLASS1 3 /* Fax Group 2/3 CLASS 1 */ |
| 53 | #define ISDN_PROTO_L3_MAX 7 /* Max. 8 Protocols */ |
| 54 | |
| 55 | #ifdef __KERNEL__ |
| 56 | |
| 57 | #include <linux/config.h> |
| 58 | #include <linux/skbuff.h> |
| 59 | |
| 60 | /***************************************************************************/ |
| 61 | /* Extensions made by Werner Cornelius (werner@ikt.de) */ |
| 62 | /* */ |
| 63 | /* The proceed command holds a incoming call in a state to leave processes */ |
| 64 | /* enough time to check whether ist should be accepted. */ |
| 65 | /* The PROT_IO Command extends the interface to make protocol dependent */ |
| 66 | /* features available (call diversion, call waiting...). */ |
| 67 | /* */ |
| 68 | /* The PROT_IO Command is executed with the desired driver id and the arg */ |
| 69 | /* parameter coded as follows: */ |
| 70 | /* The lower 8 bits of arg contain the desired protocol from ISDN_PTYPE */ |
| 71 | /* definitions. The upper 24 bits represent the protocol specific cmd/stat.*/ |
| 72 | /* Any additional data is protocol and command specific. */ |
| 73 | /* This mechanism also applies to the statcallb callback STAT_PROT. */ |
| 74 | /* */ |
| 75 | /* This suggested extension permits an easy expansion of protocol specific */ |
| 76 | /* handling. Extensions may be added at any time without changing the HL */ |
| 77 | /* driver code and not getting conflicts without certifications. */ |
| 78 | /* The well known CAPI 2.0 interface handles such extensions in a similar */ |
| 79 | /* way. Perhaps a protocol specific module may be added and separately */ |
| 80 | /* loaded and linked to the basic isdn module for handling. */ |
| 81 | /***************************************************************************/ |
| 82 | |
| 83 | /*****************/ |
| 84 | /* DSS1 commands */ |
| 85 | /*****************/ |
| 86 | #define DSS1_CMD_INVOKE ((0x00 << 8) | ISDN_PTYPE_EURO) /* invoke a supplementary service */ |
| 87 | #define DSS1_CMD_INVOKE_ABORT ((0x01 << 8) | ISDN_PTYPE_EURO) /* abort a invoke cmd */ |
| 88 | |
| 89 | /*******************************/ |
| 90 | /* DSS1 Status callback values */ |
| 91 | /*******************************/ |
| 92 | #define DSS1_STAT_INVOKE_RES ((0x80 << 8) | ISDN_PTYPE_EURO) /* Result for invocation */ |
| 93 | #define DSS1_STAT_INVOKE_ERR ((0x81 << 8) | ISDN_PTYPE_EURO) /* Error Return for invocation */ |
| 94 | #define DSS1_STAT_INVOKE_BRD ((0x82 << 8) | ISDN_PTYPE_EURO) /* Deliver invoke broadcast info */ |
| 95 | |
| 96 | |
| 97 | /*********************************************************************/ |
| 98 | /* structures for DSS1 commands and callback */ |
| 99 | /* */ |
| 100 | /* An action is invoked by sending a DSS1_CMD_INVOKE. The ll_id, proc*/ |
| 101 | /* timeout, datalen and data fields must be set before calling. */ |
| 102 | /* */ |
| 103 | /* The return value is a positive hl_id value also delivered in the */ |
| 104 | /* hl_id field. A value of zero signals no more left hl_id capacitys.*/ |
| 105 | /* A negative return value signals errors in LL. So if the return */ |
| 106 | /* value is <= 0 no action in LL will be taken -> request ignored */ |
| 107 | /* */ |
| 108 | /* The timeout field must be filled with a positive value specifying */ |
| 109 | /* the amount of time the INVOKED process waits for a reaction from */ |
| 110 | /* the network. */ |
| 111 | /* If a response (either error or result) is received during this */ |
| 112 | /* intervall, a reporting callback is initiated and the process will */ |
| 113 | /* be deleted, the hl identifier will be freed. */ |
| 114 | /* If no response is received during the specified intervall, a error*/ |
| 115 | /* callback is initiated with timeout set to -1 and a datalen set */ |
| 116 | /* to 0. */ |
| 117 | /* If timeout is set to a value <= 0 during INVOCATION the process is*/ |
| 118 | /* immediately deleted after sending the data. No callback occurs ! */ |
| 119 | /* */ |
| 120 | /* A currently waiting process may be aborted with INVOKE_ABORT. No */ |
| 121 | /* callback will occur when a process has been aborted. */ |
| 122 | /* */ |
| 123 | /* Broadcast invoke frames from the network are reported via the */ |
| 124 | /* STAT_INVOKE_BRD callback. The ll_id is set to 0, the other fields */ |
| 125 | /* are supplied by the network and not by the HL. */ |
| 126 | /*********************************************************************/ |
| 127 | |
| 128 | /*****************/ |
| 129 | /* NI1 commands */ |
| 130 | /*****************/ |
| 131 | #define NI1_CMD_INVOKE ((0x00 << 8) | ISDN_PTYPE_NI1) /* invoke a supplementary service */ |
| 132 | #define NI1_CMD_INVOKE_ABORT ((0x01 << 8) | ISDN_PTYPE_NI1) /* abort a invoke cmd */ |
| 133 | |
| 134 | /*******************************/ |
| 135 | /* NI1 Status callback values */ |
| 136 | /*******************************/ |
| 137 | #define NI1_STAT_INVOKE_RES ((0x80 << 8) | ISDN_PTYPE_NI1) /* Result for invocation */ |
| 138 | #define NI1_STAT_INVOKE_ERR ((0x81 << 8) | ISDN_PTYPE_NI1) /* Error Return for invocation */ |
| 139 | #define NI1_STAT_INVOKE_BRD ((0x82 << 8) | ISDN_PTYPE_NI1) /* Deliver invoke broadcast info */ |
| 140 | |
| 141 | typedef struct |
| 142 | { ulong ll_id; /* ID supplied by LL when executing */ |
| 143 | /* a command and returned by HL for */ |
| 144 | /* INVOKE_RES and INVOKE_ERR */ |
| 145 | int hl_id; /* ID supplied by HL when called */ |
| 146 | /* for executing a cmd and delivered */ |
| 147 | /* for results and errors */ |
| 148 | /* must be supplied by LL when aborting*/ |
| 149 | int proc; /* invoke procedure used by CMD_INVOKE */ |
| 150 | /* returned by callback and broadcast */ |
| 151 | int timeout; /* timeout for INVOKE CMD in ms */ |
| 152 | /* -1 in stat callback when timed out */ |
| 153 | /* error value when error callback */ |
| 154 | int datalen; /* length of cmd or stat data */ |
| 155 | u_char *data;/* pointer to data delivered or send */ |
| 156 | } isdn_cmd_stat; |
| 157 | |
| 158 | /* |
| 159 | * Commands from linklevel to lowlevel |
| 160 | * |
| 161 | */ |
| 162 | #define ISDN_CMD_IOCTL 0 /* Perform ioctl */ |
| 163 | #define ISDN_CMD_DIAL 1 /* Dial out */ |
| 164 | #define ISDN_CMD_ACCEPTD 2 /* Accept an incoming call on D-Chan. */ |
| 165 | #define ISDN_CMD_ACCEPTB 3 /* Request B-Channel connect. */ |
| 166 | #define ISDN_CMD_HANGUP 4 /* Hangup */ |
| 167 | #define ISDN_CMD_CLREAZ 5 /* Clear EAZ(s) of channel */ |
| 168 | #define ISDN_CMD_SETEAZ 6 /* Set EAZ(s) of channel */ |
| 169 | #define ISDN_CMD_GETEAZ 7 /* Get EAZ(s) of channel */ |
| 170 | #define ISDN_CMD_SETSIL 8 /* Set Service-Indicator-List of channel */ |
| 171 | #define ISDN_CMD_GETSIL 9 /* Get Service-Indicator-List of channel */ |
| 172 | #define ISDN_CMD_SETL2 10 /* Set B-Chan. Layer2-Parameter */ |
| 173 | #define ISDN_CMD_GETL2 11 /* Get B-Chan. Layer2-Parameter */ |
| 174 | #define ISDN_CMD_SETL3 12 /* Set B-Chan. Layer3-Parameter */ |
| 175 | #define ISDN_CMD_GETL3 13 /* Get B-Chan. Layer3-Parameter */ |
| 176 | // #define ISDN_CMD_LOCK 14 /* Signal usage by upper levels */ |
| 177 | // #define ISDN_CMD_UNLOCK 15 /* Release usage-lock */ |
| 178 | #define ISDN_CMD_SUSPEND 16 /* Suspend connection */ |
| 179 | #define ISDN_CMD_RESUME 17 /* Resume connection */ |
| 180 | #define ISDN_CMD_PROCEED 18 /* Proceed with call establishment */ |
| 181 | #define ISDN_CMD_ALERT 19 /* Alert after Proceeding */ |
| 182 | #define ISDN_CMD_REDIR 20 /* Redir a incoming call */ |
| 183 | #define ISDN_CMD_PROT_IO 21 /* Protocol specific commands */ |
| 184 | #define CAPI_PUT_MESSAGE 22 /* CAPI message send down or up */ |
| 185 | #define ISDN_CMD_FAXCMD 23 /* FAX commands to HL-driver */ |
| 186 | #define ISDN_CMD_AUDIO 24 /* DSP, DTMF, ... settings */ |
| 187 | |
| 188 | /* |
| 189 | * Status-Values delivered from lowlevel to linklevel via |
| 190 | * statcallb(). |
| 191 | * |
| 192 | */ |
| 193 | #define ISDN_STAT_STAVAIL 256 /* Raw status-data available */ |
| 194 | #define ISDN_STAT_ICALL 257 /* Incoming call detected */ |
| 195 | #define ISDN_STAT_RUN 258 /* Signal protocol-code is running */ |
| 196 | #define ISDN_STAT_STOP 259 /* Signal halt of protocol-code */ |
| 197 | #define ISDN_STAT_DCONN 260 /* Signal D-Channel connect */ |
| 198 | #define ISDN_STAT_BCONN 261 /* Signal B-Channel connect */ |
| 199 | #define ISDN_STAT_DHUP 262 /* Signal D-Channel disconnect */ |
| 200 | #define ISDN_STAT_BHUP 263 /* Signal B-Channel disconnect */ |
| 201 | #define ISDN_STAT_CINF 264 /* Charge-Info */ |
| 202 | #define ISDN_STAT_LOAD 265 /* Signal new lowlevel-driver is loaded */ |
| 203 | #define ISDN_STAT_UNLOAD 266 /* Signal unload of lowlevel-driver */ |
| 204 | #define ISDN_STAT_BSENT 267 /* Signal packet sent */ |
| 205 | #define ISDN_STAT_NODCH 268 /* Signal no D-Channel */ |
| 206 | #define ISDN_STAT_ADDCH 269 /* Add more Channels */ |
| 207 | #define ISDN_STAT_CAUSE 270 /* Cause-Message */ |
| 208 | #define ISDN_STAT_ICALLW 271 /* Incoming call without B-chan waiting */ |
| 209 | #define ISDN_STAT_REDIR 272 /* Redir result */ |
| 210 | #define ISDN_STAT_PROT 273 /* protocol IO specific callback */ |
| 211 | #define ISDN_STAT_DISPLAY 274 /* deliver a received display message */ |
| 212 | #define ISDN_STAT_L1ERR 275 /* Signal Layer-1 Error */ |
| 213 | #define ISDN_STAT_FAXIND 276 /* FAX indications from HL-driver */ |
| 214 | #define ISDN_STAT_AUDIO 277 /* DTMF, DSP indications */ |
| 215 | #define ISDN_STAT_DISCH 278 /* Disable/Enable channel usage */ |
| 216 | |
| 217 | /* |
| 218 | * Audio commands |
| 219 | */ |
| 220 | #define ISDN_AUDIO_SETDD 0 /* Set DTMF detection */ |
| 221 | #define ISDN_AUDIO_DTMF 1 /* Rx/Tx DTMF */ |
| 222 | |
| 223 | /* |
| 224 | * Values for errcode field |
| 225 | */ |
| 226 | #define ISDN_STAT_L1ERR_SEND 1 |
| 227 | #define ISDN_STAT_L1ERR_RECV 2 |
| 228 | |
| 229 | /* |
| 230 | * Values for feature-field of interface-struct. |
| 231 | */ |
| 232 | /* Layer 2 */ |
| 233 | #define ISDN_FEATURE_L2_X75I (0x0001 << ISDN_PROTO_L2_X75I) |
| 234 | #define ISDN_FEATURE_L2_X75UI (0x0001 << ISDN_PROTO_L2_X75UI) |
| 235 | #define ISDN_FEATURE_L2_X75BUI (0x0001 << ISDN_PROTO_L2_X75BUI) |
| 236 | #define ISDN_FEATURE_L2_HDLC (0x0001 << ISDN_PROTO_L2_HDLC) |
| 237 | #define ISDN_FEATURE_L2_TRANS (0x0001 << ISDN_PROTO_L2_TRANS) |
| 238 | #define ISDN_FEATURE_L2_X25DTE (0x0001 << ISDN_PROTO_L2_X25DTE) |
| 239 | #define ISDN_FEATURE_L2_X25DCE (0x0001 << ISDN_PROTO_L2_X25DCE) |
| 240 | #define ISDN_FEATURE_L2_V11096 (0x0001 << ISDN_PROTO_L2_V11096) |
| 241 | #define ISDN_FEATURE_L2_V11019 (0x0001 << ISDN_PROTO_L2_V11019) |
| 242 | #define ISDN_FEATURE_L2_V11038 (0x0001 << ISDN_PROTO_L2_V11038) |
| 243 | #define ISDN_FEATURE_L2_MODEM (0x0001 << ISDN_PROTO_L2_MODEM) |
| 244 | #define ISDN_FEATURE_L2_FAX (0x0001 << ISDN_PROTO_L2_FAX) |
| 245 | #define ISDN_FEATURE_L2_HDLC_56K (0x0001 << ISDN_PROTO_L2_HDLC_56K) |
| 246 | |
| 247 | #define ISDN_FEATURE_L2_MASK (0x0FFFF) /* Max. 16 protocols */ |
| 248 | #define ISDN_FEATURE_L2_SHIFT (0) |
| 249 | |
| 250 | /* Layer 3 */ |
| 251 | #define ISDN_FEATURE_L3_TRANS (0x10000 << ISDN_PROTO_L3_TRANS) |
| 252 | #define ISDN_FEATURE_L3_TRANSDSP (0x10000 << ISDN_PROTO_L3_TRANSDSP) |
| 253 | #define ISDN_FEATURE_L3_FCLASS2 (0x10000 << ISDN_PROTO_L3_FCLASS2) |
| 254 | #define ISDN_FEATURE_L3_FCLASS1 (0x10000 << ISDN_PROTO_L3_FCLASS1) |
| 255 | |
| 256 | #define ISDN_FEATURE_L3_MASK (0x0FF0000) /* Max. 8 Protocols */ |
| 257 | #define ISDN_FEATURE_L3_SHIFT (16) |
| 258 | |
| 259 | /* Signaling */ |
| 260 | #define ISDN_FEATURE_P_UNKNOWN (0x1000000 << ISDN_PTYPE_UNKNOWN) |
| 261 | #define ISDN_FEATURE_P_1TR6 (0x1000000 << ISDN_PTYPE_1TR6) |
| 262 | #define ISDN_FEATURE_P_EURO (0x1000000 << ISDN_PTYPE_EURO) |
| 263 | #define ISDN_FEATURE_P_NI1 (0x1000000 << ISDN_PTYPE_NI1) |
| 264 | |
| 265 | #define ISDN_FEATURE_P_MASK (0x0FF000000) /* Max. 8 Protocols */ |
| 266 | #define ISDN_FEATURE_P_SHIFT (24) |
| 267 | |
| 268 | typedef struct setup_parm { |
| 269 | unsigned char phone[32]; /* Remote Phone-Number */ |
| 270 | unsigned char eazmsn[32]; /* Local EAZ or MSN */ |
| 271 | unsigned char si1; /* Service Indicator 1 */ |
| 272 | unsigned char si2; /* Service Indicator 2 */ |
| 273 | unsigned char plan; /* Numbering plan */ |
| 274 | unsigned char screen; /* Screening info */ |
| 275 | } setup_parm; |
| 276 | |
| 277 | |
| 278 | #ifdef CONFIG_ISDN_TTY_FAX |
| 279 | /* T.30 Fax G3 */ |
| 280 | |
| 281 | #define FAXIDLEN 21 |
| 282 | |
| 283 | typedef struct T30_s { |
| 284 | /* session parameters */ |
| 285 | __u8 resolution __attribute__ ((packed)); |
| 286 | __u8 rate __attribute__ ((packed)); |
| 287 | __u8 width __attribute__ ((packed)); |
| 288 | __u8 length __attribute__ ((packed)); |
| 289 | __u8 compression __attribute__ ((packed)); |
| 290 | __u8 ecm __attribute__ ((packed)); |
| 291 | __u8 binary __attribute__ ((packed)); |
| 292 | __u8 scantime __attribute__ ((packed)); |
| 293 | __u8 id[FAXIDLEN] __attribute__ ((packed)); |
| 294 | /* additional parameters */ |
| 295 | __u8 phase __attribute__ ((packed)); |
| 296 | __u8 direction __attribute__ ((packed)); |
| 297 | __u8 code __attribute__ ((packed)); |
| 298 | __u8 badlin __attribute__ ((packed)); |
| 299 | __u8 badmul __attribute__ ((packed)); |
| 300 | __u8 bor __attribute__ ((packed)); |
| 301 | __u8 fet __attribute__ ((packed)); |
| 302 | __u8 pollid[FAXIDLEN] __attribute__ ((packed)); |
| 303 | __u8 cq __attribute__ ((packed)); |
| 304 | __u8 cr __attribute__ ((packed)); |
| 305 | __u8 ctcrty __attribute__ ((packed)); |
| 306 | __u8 minsp __attribute__ ((packed)); |
| 307 | __u8 phcto __attribute__ ((packed)); |
| 308 | __u8 rel __attribute__ ((packed)); |
| 309 | __u8 nbc __attribute__ ((packed)); |
| 310 | /* remote station parameters */ |
| 311 | __u8 r_resolution __attribute__ ((packed)); |
| 312 | __u8 r_rate __attribute__ ((packed)); |
| 313 | __u8 r_width __attribute__ ((packed)); |
| 314 | __u8 r_length __attribute__ ((packed)); |
| 315 | __u8 r_compression __attribute__ ((packed)); |
| 316 | __u8 r_ecm __attribute__ ((packed)); |
| 317 | __u8 r_binary __attribute__ ((packed)); |
| 318 | __u8 r_scantime __attribute__ ((packed)); |
| 319 | __u8 r_id[FAXIDLEN] __attribute__ ((packed)); |
| 320 | __u8 r_code __attribute__ ((packed)); |
| 321 | } T30_s; |
| 322 | |
| 323 | #define ISDN_TTY_FAX_CONN_IN 0 |
| 324 | #define ISDN_TTY_FAX_CONN_OUT 1 |
| 325 | |
| 326 | #define ISDN_TTY_FAX_FCON 0 |
| 327 | #define ISDN_TTY_FAX_DIS 1 |
| 328 | #define ISDN_TTY_FAX_FTT 2 |
| 329 | #define ISDN_TTY_FAX_MCF 3 |
| 330 | #define ISDN_TTY_FAX_DCS 4 |
| 331 | #define ISDN_TTY_FAX_TRAIN_OK 5 |
| 332 | #define ISDN_TTY_FAX_EOP 6 |
| 333 | #define ISDN_TTY_FAX_EOM 7 |
| 334 | #define ISDN_TTY_FAX_MPS 8 |
| 335 | #define ISDN_TTY_FAX_DTC 9 |
| 336 | #define ISDN_TTY_FAX_RID 10 |
| 337 | #define ISDN_TTY_FAX_HNG 11 |
| 338 | #define ISDN_TTY_FAX_DT 12 |
| 339 | #define ISDN_TTY_FAX_FCON_I 13 |
| 340 | #define ISDN_TTY_FAX_DR 14 |
| 341 | #define ISDN_TTY_FAX_ET 15 |
| 342 | #define ISDN_TTY_FAX_CFR 16 |
| 343 | #define ISDN_TTY_FAX_PTS 17 |
| 344 | #define ISDN_TTY_FAX_SENT 18 |
| 345 | |
| 346 | #define ISDN_FAX_PHASE_IDLE 0 |
| 347 | #define ISDN_FAX_PHASE_A 1 |
| 348 | #define ISDN_FAX_PHASE_B 2 |
| 349 | #define ISDN_FAX_PHASE_C 3 |
| 350 | #define ISDN_FAX_PHASE_D 4 |
| 351 | #define ISDN_FAX_PHASE_E 5 |
| 352 | |
| 353 | #endif /* TTY_FAX */ |
| 354 | |
| 355 | #define ISDN_FAX_CLASS1_FAE 0 |
| 356 | #define ISDN_FAX_CLASS1_FTS 1 |
| 357 | #define ISDN_FAX_CLASS1_FRS 2 |
| 358 | #define ISDN_FAX_CLASS1_FTM 3 |
| 359 | #define ISDN_FAX_CLASS1_FRM 4 |
| 360 | #define ISDN_FAX_CLASS1_FTH 5 |
| 361 | #define ISDN_FAX_CLASS1_FRH 6 |
| 362 | #define ISDN_FAX_CLASS1_CTRL 7 |
| 363 | |
| 364 | #define ISDN_FAX_CLASS1_OK 0 |
| 365 | #define ISDN_FAX_CLASS1_CONNECT 1 |
| 366 | #define ISDN_FAX_CLASS1_NOCARR 2 |
| 367 | #define ISDN_FAX_CLASS1_ERROR 3 |
| 368 | #define ISDN_FAX_CLASS1_FCERROR 4 |
| 369 | #define ISDN_FAX_CLASS1_QUERY 5 |
| 370 | |
| 371 | typedef struct { |
| 372 | __u8 cmd; |
| 373 | __u8 subcmd; |
| 374 | __u8 para[50]; |
| 375 | } aux_s; |
| 376 | |
| 377 | #define AT_COMMAND 0 |
| 378 | #define AT_EQ_VALUE 1 |
| 379 | #define AT_QUERY 2 |
| 380 | #define AT_EQ_QUERY 3 |
| 381 | |
| 382 | /* CAPI structs */ |
| 383 | |
| 384 | /* this is compatible to the old union size */ |
| 385 | #define MAX_CAPI_PARA_LEN 50 |
| 386 | |
| 387 | typedef struct { |
| 388 | /* Header */ |
| 389 | __u16 Length; |
| 390 | __u16 ApplId; |
| 391 | __u8 Command; |
| 392 | __u8 Subcommand; |
| 393 | __u16 Messagenumber; |
| 394 | |
| 395 | /* Parameter */ |
| 396 | union { |
| 397 | __u32 Controller; |
| 398 | __u32 PLCI; |
| 399 | __u32 NCCI; |
| 400 | } adr; |
| 401 | __u8 para[MAX_CAPI_PARA_LEN]; |
| 402 | } capi_msg; |
| 403 | |
| 404 | /* |
| 405 | * Structure for exchanging above infos |
| 406 | * |
| 407 | */ |
| 408 | typedef struct { |
| 409 | int driver; /* Lowlevel-Driver-ID */ |
| 410 | int command; /* Command or Status (see above) */ |
| 411 | ulong arg; /* Additional Data */ |
| 412 | union { |
| 413 | ulong errcode; /* Type of error with STAT_L1ERR */ |
| 414 | int length; /* Amount of bytes sent with STAT_BSENT */ |
| 415 | u_char num[50]; /* Additional Data */ |
| 416 | setup_parm setup;/* For SETUP msg */ |
| 417 | capi_msg cmsg; /* For CAPI like messages */ |
| 418 | char display[85];/* display message data */ |
| 419 | isdn_cmd_stat isdn_io; /* ISDN IO-parameter/result */ |
| 420 | aux_s aux; /* for modem commands/indications */ |
| 421 | #ifdef CONFIG_ISDN_TTY_FAX |
| 422 | T30_s *fax; /* Pointer to ttys fax struct */ |
| 423 | #endif |
| 424 | ulong userdata; /* User Data */ |
| 425 | } parm; |
| 426 | } isdn_ctrl; |
| 427 | |
| 428 | #define dss1_io isdn_io |
| 429 | #define ni1_io isdn_io |
| 430 | |
| 431 | /* |
| 432 | * The interface-struct itself (initialized at load-time of lowlevel-driver) |
| 433 | * |
| 434 | * See Documentation/isdn/INTERFACE for a description, how the communication |
| 435 | * between the ISDN subsystem and its drivers is done. |
| 436 | * |
| 437 | */ |
| 438 | typedef struct { |
| 439 | struct module *owner; |
| 440 | |
| 441 | /* Number of channels supported by this driver |
| 442 | */ |
| 443 | int channels; |
| 444 | |
| 445 | /* |
| 446 | * Maximum Size of transmit/receive-buffer this driver supports. |
| 447 | */ |
| 448 | int maxbufsize; |
| 449 | |
| 450 | /* Feature-Flags for this driver. |
| 451 | * See defines ISDN_FEATURE_... for Values |
| 452 | */ |
| 453 | unsigned long features; |
| 454 | |
| 455 | /* |
| 456 | * Needed for calculating |
| 457 | * dev->hard_header_len = linklayer header + hl_hdrlen; |
| 458 | * Drivers, not supporting sk_buff's should set this to 0. |
| 459 | */ |
| 460 | unsigned short hl_hdrlen; |
| 461 | |
| 462 | /* |
| 463 | * Receive-Callback using sk_buff's |
| 464 | * Parameters: |
| 465 | * int Driver-ID |
| 466 | * int local channel-number (0 ...) |
| 467 | * struct sk_buff *skb received Data |
| 468 | */ |
| 469 | void (*rcvcallb_skb)(int, int, struct sk_buff *); |
| 470 | |
| 471 | /* Status-Callback |
| 472 | * Parameters: |
| 473 | * isdn_ctrl* |
| 474 | * driver = Driver ID. |
| 475 | * command = One of above ISDN_STAT_... constants. |
| 476 | * arg = depending on status-type. |
| 477 | * num = depending on status-type. |
| 478 | */ |
| 479 | int (*statcallb)(isdn_ctrl*); |
| 480 | |
| 481 | /* Send command |
| 482 | * Parameters: |
| 483 | * isdn_ctrl* |
| 484 | * driver = Driver ID. |
| 485 | * command = One of above ISDN_CMD_... constants. |
| 486 | * arg = depending on command. |
| 487 | * num = depending on command. |
| 488 | */ |
| 489 | int (*command)(isdn_ctrl*); |
| 490 | |
| 491 | /* |
| 492 | * Send data using sk_buff's |
| 493 | * Parameters: |
| 494 | * int driverId |
| 495 | * int local channel-number (0...) |
| 496 | * int Flag: Need ACK for this packet. |
| 497 | * struct sk_buff *skb Data to send |
| 498 | */ |
| 499 | int (*writebuf_skb) (int, int, int, struct sk_buff *); |
| 500 | |
| 501 | /* Send raw D-Channel-Commands |
| 502 | * Parameters: |
| 503 | * u_char pointer data |
| 504 | * int length of data |
| 505 | * int driverId |
| 506 | * int local channel-number (0 ...) |
| 507 | */ |
| 508 | int (*writecmd)(const u_char __user *, int, int, int); |
| 509 | |
| 510 | /* Read raw Status replies |
| 511 | * u_char pointer data (volatile) |
| 512 | * int length of buffer |
| 513 | * int driverId |
| 514 | * int local channel-number (0 ...) |
| 515 | */ |
| 516 | int (*readstat)(u_char __user *, int, int, int); |
| 517 | |
| 518 | char id[20]; |
| 519 | } isdn_if; |
| 520 | |
| 521 | /* |
| 522 | * Function which must be called by lowlevel-driver at loadtime with |
| 523 | * the following fields of above struct set: |
| 524 | * |
| 525 | * channels Number of channels that will be supported. |
| 526 | * hl_hdrlen Space to preserve in sk_buff's when sending. Drivers, not |
| 527 | * supporting sk_buff's should set this to 0. |
| 528 | * command Address of Command-Handler. |
| 529 | * features Bitwise coded Features of this driver. (use ISDN_FEATURE_...) |
| 530 | * writebuf_skb Address of Skbuff-Send-Handler. |
| 531 | * writecmd " " D-Channel " which accepts raw D-Ch-Commands. |
| 532 | * readstat " " D-Channel " which delivers raw Status-Data. |
| 533 | * |
| 534 | * The linklevel-driver fills the following fields: |
| 535 | * |
| 536 | * channels Driver-ID assigned to this driver. (Must be used on all |
| 537 | * subsequent callbacks. |
| 538 | * rcvcallb_skb Address of handler for received Skbuff's. |
| 539 | * statcallb " " " for status-changes. |
| 540 | * |
| 541 | */ |
| 542 | extern int register_isdn(isdn_if*); |
| 543 | #include <asm/uaccess.h> |
| 544 | |
| 545 | #endif /* __KERNEL__ */ |
| 546 | |
| 547 | #endif /* __ISDNIF_H__ */ |