i386/linux/linux-2.3.21/drivers/isdn/eicon/eicon.h

   1 /* $Id: eicon.h,v 1.11 1999/08/29 17:23:44 armin Exp $
   2  *
   3  * ISDN low-level module for Eicon.Diehl active ISDN-Cards.
   4  *
   5  * Copyright 1998    by Fritz Elfert (fritz@wuemaus.franken.de)
   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.h,v $
  24  * Revision 1.11  1999/08/29 17:23:44  armin
  25  * New setup compat.
  26  * Bugfix if compile as not module.
  27  *
  28  * Revision 1.10  1999/08/22 20:26:41  calle
  29  * backported changes from kernel 2.3.14:
  30  * - several #include "config.h" gone, others come.
  31  * - "struct device" changed to "struct net_device" in 2.3.14, added a
  32  *   define in isdn_compat.h for older kernel versions.
  33  *
  34  * Revision 1.9  1999/08/18 20:16:57  armin
  35  * Added XLOG function for all cards.
  36  * Bugfix of alloc_skb NULL pointer.
  37  *
  38  * Revision 1.8  1999/07/25 15:12:01  armin
  39  * fix of some debug logs.
  40  * enabled ISA-cards option.
  41  *
  42  * Revision 1.7  1999/07/11 17:16:23  armin
  43  * Bugfixes in queue handling.
  44  * Added DSP-DTMF decoder functions.
  45  * Reorganized ack_handler.
  46  *
  47  * Revision 1.6  1999/06/09 19:31:24  armin
  48  * Wrong PLX size for request_region() corrected.
  49  * Added first MCA code from Erik Weber.
  50  *
  51  * Revision 1.5  1999/03/29 11:19:41  armin
  52  * I/O stuff now in seperate file (eicon_io.c)
  53  * Old ISA type cards (S,SX,SCOM,Quadro,S2M) implemented.
  54  *
  55  * Revision 1.4  1999/03/02 12:37:42  armin
  56  * Added some important checks.
  57  * Analog Modem with DSP.
  58  * Channels will be added to Link-Level after loading firmware.
  59  *
  60  * Revision 1.3  1999/01/24 20:14:07  armin
  61  * Changed and added debug stuff.
  62  * Better data sending. (still problems with tty's flip buffer)
  63  *
  64  * Revision 1.2  1999/01/10 18:46:04  armin
  65  * Bug with wrong values in HLC fixed.
  66  * Bytes to send are counted and limited now.
  67  *
  68  * Revision 1.1  1999/01/01 18:09:41  armin
  69  * First checkin of new eicon driver.
  70  * DIVA-Server BRI/PCI and PRI/PCI are supported.
  71  * Old diehl code is obsolete.
  72  *
  73  *
  74  */
  75
  76
  77 #ifndef eicon_h
  78 #define eicon_h
  79
  80 #define EICON_IOCTL_SETMMIO   0
  81 #define EICON_IOCTL_GETMMIO   1
  82 #define EICON_IOCTL_SETIRQ    2
  83 #define EICON_IOCTL_GETIRQ    3
  84 #define EICON_IOCTL_LOADBOOT  4
  85 #define EICON_IOCTL_ADDCARD   5
  86 #define EICON_IOCTL_GETTYPE   6
  87 #define EICON_IOCTL_LOADPCI   7
  88 #define EICON_IOCTL_LOADISA   8
  89 #define EICON_IOCTL_GETVER    9
  90 #define EICON_IOCTL_GETXLOG  10
  91
  92 #define EICON_IOCTL_MANIF    90
  93
  94 #define EICON_IOCTL_FREEIT   97
  95 #define EICON_IOCTL_TEST     98
  96 #define EICON_IOCTL_DEBUGVAR 99
  97
  98 /* Bus types */
  99 #define EICON_BUS_ISA          1
 100 #define EICON_BUS_MCA          2
 101 #define EICON_BUS_PCI          3
 102
 103 /* Constants for describing Card-Type */
 104 #define EICON_CTYPE_S            0
 105 #define EICON_CTYPE_SX           1
 106 #define EICON_CTYPE_SCOM         2
 107 #define EICON_CTYPE_QUADRO       3
 108 #define EICON_CTYPE_S2M          4
 109 #define EICON_CTYPE_MAESTRA      5
 110 #define EICON_CTYPE_MAESTRAQ     6
 111 #define EICON_CTYPE_MAESTRAQ_U   7
 112 #define EICON_CTYPE_MAESTRAP     8
 113 #define EICON_CTYPE_ISABRI       0x10
 114 #define EICON_CTYPE_ISAPRI       0x20
 115 #define EICON_CTYPE_MASK         0x0f
 116 #define EICON_CTYPE_QUADRO_NR(n) (n<<4)
 117
 118 #define MAX_HEADER_LEN 10
 119
 120
 121 /* Struct for adding new cards */
 122 typedef struct eicon_cdef {
 123         int membase;
 124         int irq;
 125         char id[10];
 126 } eicon_cdef;
 127
 128 #define EICON_ISA_BOOT_MEMCHK 1
 129 #define EICON_ISA_BOOT_NORMAL 2
 130
 131 /* Struct for downloading protocol via ioctl for ISA cards */
 132 /* same struct for downloading protocol via ioctl for MCA cards */
 133 typedef struct {
 134         /* start-up parameters */
 135         unsigned char tei;
 136         unsigned char nt2;
 137         unsigned char skip1;
 138         unsigned char WatchDog;
 139         unsigned char Permanent;
 140         unsigned char XInterface;
 141         unsigned char StableL2;
 142         unsigned char NoOrderCheck;
 143         unsigned char HandsetType;
 144         unsigned char skip2;
 145         unsigned char LowChannel;
 146         unsigned char ProtVersion;
 147         unsigned char Crc4;
 148         unsigned char Loopback;
 149         unsigned char oad[32];
 150         unsigned char osa[32];
 151         unsigned char spid[32];
 152         unsigned char boot_opt;
 153         unsigned long bootstrap_len;
 154         unsigned long firmware_len;
 155         unsigned char code[1]; /* Rest (bootstrap- and firmware code) will be allocated */
 156 } eicon_isa_codebuf;
 157
 158 /* Struct for downloading protocol via ioctl for PCI cards */
 159 typedef struct {
 160         /* start-up parameters */
 161         unsigned char tei;
 162         unsigned char nt2;
 163         unsigned char WatchDog;
 164         unsigned char Permanent;
 165         unsigned char XInterface;
 166         unsigned char StableL2;
 167         unsigned char NoOrderCheck;
 168         unsigned char HandsetType;
 169         unsigned char LowChannel;
 170         unsigned char ProtVersion;
 171         unsigned char Crc4;
 172         unsigned char NoHscx30Mode;  /* switch PRI into No HSCX30 test mode */
 173         unsigned char Loopback;      /* switch card into Loopback mode */
 174         struct q931_link_s
 175         {
 176           unsigned char oad[32];
 177           unsigned char osa[32];
 178           unsigned char spid[32];
 179         } l[2];
 180         unsigned long protocol_len;
 181         unsigned int  dsp_code_num;
 182         unsigned long dsp_code_len[9];
 183         unsigned char code[1]; /* Rest (protocol- and dsp code) will be allocated */
 184 } eicon_pci_codebuf;
 185
 186 /* Data for downloading protocol via ioctl */
 187 typedef union {
 188         eicon_isa_codebuf isa;
 189         eicon_isa_codebuf mca;
 190         eicon_pci_codebuf pci;
 191 } eicon_codebuf;
 192
 193 /* Data for Management interface */
 194 typedef struct {
 195         int count;
 196         int pos;
 197         int length[50];
 198         unsigned char data[700];
 199 } eicon_manifbuf;
 200
 201
 202 #ifdef __KERNEL__
 203
 204 /* Kernel includes */
 205 #include <linux/config.h>
 206 #include <linux/sched.h>
 207 #include <linux/string.h>
 208 #include <linux/tqueue.h>
 209 #include <linux/interrupt.h>
 210 #include <linux/skbuff.h>
 211 #include <linux/errno.h>
 212 #include <linux/fs.h>
 213 #include <linux/major.h>
 214 #include <asm/segment.h>
 215 #include <asm/io.h>
 216 #include <linux/kernel.h>
 217 #include <linux/signal.h>
 218 #include <linux/malloc.h>
 219 #include <linux/mm.h>
 220 #include <linux/mman.h>
 221 #include <linux/ioport.h>
 222 #include <linux/timer.h>
 223 #include <linux/wait.h>
 224 #include <linux/delay.h>
 225 #include <linux/ctype.h>
 226
 227 #include <linux/isdnif.h>
 228
 229 #include <linux/isdn_compat.h>
 230
 231 typedef struct {
 232   __u16 length __attribute__ ((packed)); /* length of data/parameter field */
 233   __u8  P[1];                          /* data/parameter field */
 234 } eicon_PBUFFER;
 235
 236 #include "eicon_isa.h"
 237
 238 /* Macro for delay via schedule() */
 239 #define SLEEP(j) {                     \
 240   current->state = TASK_INTERRUPTIBLE; \
 241   schedule_timeout(j);                 \
 242 }
 243
 244 #endif /* KERNEL */
 245
 246 #define DIVAS_SHARED_OFFSET     (0x1000)
 247
 248 #define MIPS_BUFFER_SZ  128
 249 #define MIPS_MAINT_OFFS 0xff00
 250
 251 #define XLOG_ERR_CARD_NUM       (13)
 252 #define XLOG_ERR_DONE           (14)
 253 #define XLOG_ERR_CMD            (15)
 254 #define XLOG_ERR_TIMEOUT        (16)
 255 #define XLOG_ERR_CARD_STATE     (17)
 256 #define XLOG_ERR_UNKNOWN        (18)
 257 #define XLOG_OK                  (0)
 258
 259 typedef struct {
 260   __u8 Id       __attribute__ ((packed));
 261   __u8 uX       __attribute__ ((packed));
 262   __u8 listen   __attribute__ ((packed));
 263   __u8 active   __attribute__ ((packed));
 264   __u8 sin[3]   __attribute__ ((packed));
 265   __u8 bc[6]    __attribute__ ((packed));
 266   __u8 llc[6]   __attribute__ ((packed));
 267   __u8 hlc[6]   __attribute__ ((packed));
 268   __u8 oad[20]  __attribute__ ((packed));
 269 }DSigStruc;
 270
 271 typedef struct {
 272   __u32 cx_b1   __attribute__ ((packed));
 273   __u32 cx_b2   __attribute__ ((packed));
 274   __u32 cr_b1   __attribute__ ((packed));
 275   __u32 cr_b2   __attribute__ ((packed));
 276   __u32 px_b1   __attribute__ ((packed));
 277   __u32 px_b2   __attribute__ ((packed));
 278   __u32 pr_b1   __attribute__ ((packed));
 279   __u32 pr_b2   __attribute__ ((packed));
 280   __u16 er_b1   __attribute__ ((packed));
 281   __u16 er_b2   __attribute__ ((packed));
 282 }BL1Struc;
 283
 284 typedef struct {
 285   __u32 XTotal  __attribute__ ((packed));
 286   __u32 RTotal  __attribute__ ((packed));
 287   __u16 XError  __attribute__ ((packed));
 288   __u16 RError  __attribute__ ((packed));
 289 }L2Struc;
 290
 291 typedef struct {
 292   __u16 free_n;
 293 }OSStruc;
 294
 295 typedef union
 296 {
 297   DSigStruc DSigStats;
 298   BL1Struc BL1Stats;
 299   L2Struc L2Stats;
 300   OSStruc OSStats;
 301   __u8   b[MIPS_BUFFER_SZ];
 302   __u16   w[MIPS_BUFFER_SZ>>1];
 303   __u16   l[MIPS_BUFFER_SZ>>2]; /* word is wrong, do not use! Use 'd' instead. */
 304   __u32  d[MIPS_BUFFER_SZ>>2];
 305 } MIPS_BUFFER;
 306
 307 typedef struct
 308 {
 309   __u8 req      __attribute__ ((packed));
 310   __u8 rc       __attribute__ ((packed));
 311   __u8 reserved[2]      __attribute__ ((packed));     /* R3000 alignment ... */
 312   __u8 *mem     __attribute__ ((packed));
 313   __u16 length  __attribute__ ((packed));               /* used to be short */
 314   __u16 port    __attribute__ ((packed));
 315   __u8 fill[4]  __attribute__ ((packed));         /* data at offset 16   */
 316   MIPS_BUFFER data      __attribute__ ((packed));
 317 } mi_pc_maint_t;
 318
 319 typedef struct
 320 {
 321         __u16 command;
 322         mi_pc_maint_t pcm;
 323 }xlogreq_t;
 324
 325 typedef struct{
 326         __u16 code      __attribute__ ((packed));       /* used to be short */
 327         __u16 timeh     __attribute__ ((packed));
 328         __u16 timel     __attribute__ ((packed));
 329         char buffer[MIPS_BUFFER_SZ - 6];
 330 }xlog_entry_t;
 331
 332
 333 #define DSP_COMBIFILE_FORMAT_IDENTIFICATION_SIZE 48
 334 #define DSP_COMBIFILE_FORMAT_VERSION_BCD    0x0100
 335
 336 #define DSP_FILE_FORMAT_IDENTIFICATION_SIZE 48
 337 #define DSP_FILE_FORMAT_VERSION_BCD         0x0100
 338
 339 typedef struct tag_dsp_combifile_header
 340 {
 341   char                  format_identification[DSP_COMBIFILE_FORMAT_IDENTIFICATION_SIZE] __attribute__ ((packed));
 342   __u16                  format_version_bcd             __attribute__ ((packed));
 343   __u16                  header_size                    __attribute__ ((packed));
 344   __u16                  combifile_description_size     __attribute__ ((packed));
 345   __u16                  directory_entries              __attribute__ ((packed));
 346   __u16                  directory_size                 __attribute__ ((packed));
 347   __u16                  download_count                 __attribute__ ((packed));
 348   __u16                  usage_mask_size                __attribute__ ((packed));
 349 } t_dsp_combifile_header;
 350
 351 typedef struct tag_dsp_combifile_directory_entry
 352 {
 353   __u16                  card_type_number               __attribute__ ((packed));
 354   __u16                  file_set_number                __attribute__ ((packed));
 355 } t_dsp_combifile_directory_entry;
 356
 357 typedef struct tag_dsp_file_header
 358 {
 359   char                  format_identification[DSP_FILE_FORMAT_IDENTIFICATION_SIZE] __attribute__ ((packed));
 360   __u16                 format_version_bcd              __attribute__ ((packed));
 361   __u16                 download_id                     __attribute__ ((packed));
 362   __u16                 download_flags                  __attribute__ ((packed));
 363   __u16                 required_processing_power       __attribute__ ((packed));
 364   __u16                 interface_channel_count         __attribute__ ((packed));
 365   __u16                 header_size                     __attribute__ ((packed));
 366   __u16                 download_description_size       __attribute__ ((packed));
 367   __u16                 memory_block_table_size         __attribute__ ((packed));
 368   __u16                 memory_block_count              __attribute__ ((packed));
 369   __u16                 segment_table_size              __attribute__ ((packed));
 370   __u16                 segment_count                   __attribute__ ((packed));
 371   __u16                 symbol_table_size               __attribute__ ((packed));
 372   __u16                 symbol_count                    __attribute__ ((packed));
 373   __u16                 total_data_size_dm              __attribute__ ((packed));
 374   __u16                 data_block_count_dm             __attribute__ ((packed));
 375   __u16                 total_data_size_pm              __attribute__ ((packed));
 376   __u16                 data_block_count_pm             __attribute__ ((packed));
 377 } t_dsp_file_header;
 378
 379 typedef struct tag_dsp_memory_block_desc
 380 {
 381   __u16                 alias_memory_block;
 382   __u16                 memory_type;
 383   __u16                 address;
 384   __u16                 size;             /* DSP words */
 385 } t_dsp_memory_block_desc;
 386
 387 typedef struct tag_dsp_segment_desc
 388 {
 389   __u16                 memory_block;
 390   __u16                 attributes;
 391   __u16                 base;
 392   __u16                 size;
 393   __u16                 alignment;        /* ==0 -> no other legal start address than base */
 394 } t_dsp_segment_desc;
 395
 396 typedef struct tag_dsp_symbol_desc
 397 {
 398   __u16                 symbol_id;
 399   __u16                 segment;
 400   __u16                 offset;
 401   __u16                 size;             /* DSP words */
 402 } t_dsp_symbol_desc;
 403
 404 typedef struct tag_dsp_data_block_header
 405 {
 406   __u16                 attributes;
 407   __u16                 segment;
 408   __u16                 offset;
 409   __u16                 size;             /* DSP words */
 410 } t_dsp_data_block_header;
 411
 412 typedef struct tag_dsp_download_desc      /* be sure to keep native alignment for MAESTRA's */
 413 {
 414   __u16                 download_id;
 415   __u16                 download_flags;
 416   __u16                 required_processing_power;
 417   __u16                 interface_channel_count;
 418   __u16                 excess_header_size;
 419   __u16                 memory_block_count;
 420   __u16                 segment_count;
 421   __u16                 symbol_count;
 422   __u16                 data_block_count_dm;
 423   __u16                 data_block_count_pm;
 424   __u8  *            p_excess_header_data               __attribute__ ((packed));
 425   char  *            p_download_description             __attribute__ ((packed));
 426   t_dsp_memory_block_desc  *p_memory_block_table        __attribute__ ((packed));
 427   t_dsp_segment_desc  *p_segment_table                  __attribute__ ((packed));
 428   t_dsp_symbol_desc  *p_symbol_table                    __attribute__ ((packed));
 429   __u16 *            p_data_blocks_dm                   __attribute__ ((packed));
 430   __u16 *            p_data_blocks_pm                   __attribute__ ((packed));
 431 } t_dsp_download_desc;
 432
 433
 434 #ifdef __KERNEL__
 435
 436 typedef struct {
 437   __u8                  Req;            /* pending request          */
 438   __u8                  Rc;             /* return code received     */
 439   __u8                  Ind;            /* indication received      */
 440   __u8                  ReqCh;          /* channel of current Req   */
 441   __u8                  RcCh;           /* channel of current Rc    */
 442   __u8                  IndCh;          /* channel of current Ind   */
 443   __u8                  D3Id;           /* ID used by this entity   */
 444   __u8                  B2Id;           /* ID used by this entity   */
 445   __u8                  GlobalId;       /* reserved field           */
 446   __u8                  XNum;           /* number of X-buffers      */
 447   __u8                  RNum;           /* number of R-buffers      */
 448   struct sk_buff_head   X;              /* X-buffer queue           */
 449   struct sk_buff_head   R;              /* R-buffer queue           */
 450   __u8                  RNR;            /* receive not ready flag   */
 451   __u8                  complete;       /* receive complete status  */
 452   __u8                  busy;           /* busy flag                */
 453   __u16                 ref;            /* saved reference          */
 454 } entity;
 455
 456 #define FAX_MAX_SCANLINE 256
 457
 458 typedef struct {
 459         __u8            PrevObject;
 460         __u8            NextObject;
 461         __u8            abLine[FAX_MAX_SCANLINE];
 462         __u8            abFrame[FAX_MAX_SCANLINE];
 463         unsigned int    LineLen;
 464         unsigned int    LineDataLen;
 465         __u32           LineData;
 466         unsigned int    NullBytesPos;
 467         __u8            NullByteExist;
 468         int             PageCount;
 469         __u8            Dle;
 470         __u8            Eop;
 471 } eicon_ch_fax_buf;
 472
 473 typedef struct {
 474         int            No;               /* Channel Number              */
 475         unsigned short callref;          /* Call Reference              */
 476         unsigned short fsm_state;        /* Current D-Channel state     */
 477         unsigned short eazmask;          /* EAZ-Mask for this Channel   */
 478         int             queued;          /* User-Data Bytes in TX queue */
 479         int             waitq;           /* User-Data Bytes in wait queue */
 480         int             waitpq;          /* User-Data Bytes in packet queue */
 481         unsigned short plci;
 482         unsigned short ncci;
 483         unsigned char  l2prot;           /* Layer 2 protocol            */
 484         unsigned char  l3prot;           /* Layer 3 protocol            */
 485 #ifdef CONFIG_ISDN_TTY_FAX
 486         T30_s           *fax;            /* pointer to fax data in LL   */
 487         eicon_ch_fax_buf fax2;           /* fax related struct          */
 488 #endif
 489         entity          e;               /* Entity                      */
 490         char            cpn[32];         /* remember cpn                */
 491         char            oad[32];         /* remember oad                */
 492         unsigned char   cause[2];        /* Last Cause                  */
 493         unsigned char   si1;
 494         unsigned char   si2;
 495 } eicon_chan;
 496
 497 typedef struct {
 498         eicon_chan *ptr;
 499 } eicon_chan_ptr;
 500
 501 #include "eicon_pci.h"
 502
 503 #define EICON_FLAGS_RUNNING  1 /* Cards driver activated */
 504 #define EICON_FLAGS_PVALID   2 /* Cards port is valid    */
 505 #define EICON_FLAGS_IVALID   4 /* Cards irq is valid     */
 506 #define EICON_FLAGS_MVALID   8 /* Cards membase is valid */
 507 #define EICON_FLAGS_LOADED   8 /* Firmware loaded        */
 508
 509 #define EICON_BCH            2 /* # of channels per card */
 510
 511 /* D-Channel states */
 512 #define EICON_STATE_NULL     0
 513 #define EICON_STATE_ICALL    1
 514 #define EICON_STATE_OCALL    2
 515 #define EICON_STATE_IWAIT    3
 516 #define EICON_STATE_OWAIT    4
 517 #define EICON_STATE_IBWAIT   5
 518 #define EICON_STATE_OBWAIT   6
 519 #define EICON_STATE_BWAIT    7
 520 #define EICON_STATE_BHWAIT   8
 521 #define EICON_STATE_BHWAIT2  9
 522 #define EICON_STATE_DHWAIT  10
 523 #define EICON_STATE_DHWAIT2 11
 524 #define EICON_STATE_BSETUP  12
 525 #define EICON_STATE_ACTIVE  13
 526 #define EICON_STATE_ICALLW  14
 527 #define EICON_STATE_LISTEN  15
 528 #define EICON_STATE_WMCONN  16
 529
 530 #define EICON_MAX_QUEUED  8000 /* 2 * maxbuff */
 531
 532 #define EICON_LOCK_TX 0
 533 #define EICON_LOCK_RX 1
 534
 535 typedef union {
 536         eicon_isa_card isa;
 537         eicon_pci_card pci;
 538         eicon_isa_card mca;
 539 } eicon_hwif;
 540
 541 typedef struct {
 542         __u8 ret;
 543         __u8 id;
 544         __u8 ch;
 545 } eicon_ack;
 546
 547 typedef struct {
 548         __u8 code;
 549         __u8 id;
 550         __u8 ch;
 551 } eicon_req;
 552
 553 typedef struct {
 554         __u8 ret;
 555         __u8 id;
 556         __u8 ch;
 557         __u8 more;
 558 } eicon_indhdr;
 559
 560 typedef struct msn_entry {
 561         char eaz;
 562         char msn[16];
 563         struct msn_entry * next;
 564 } msn_entry;
 565
 566 /*
 567  * Per card driver data
 568  */
 569 typedef struct eicon_card {
 570         eicon_hwif hwif;                 /* Hardware dependant interface     */
 571         u_char ptype;                    /* Protocol type (1TR6 or Euro)     */
 572         u_char bus;                      /* Bustype (ISA, MCA, PCI)          */
 573         u_char type;                     /* Cardtype (EICON_CTYPE_...)       */
 574         struct eicon_card *qnext;        /* Pointer to next quadro adapter   */
 575         int Feature;                     /* Protocol Feature Value           */
 576         struct eicon_card *next;         /* Pointer to next device struct    */
 577         int myid;                        /* Driver-Nr. assigned by linklevel */
 578         unsigned long flags;             /* Statusflags                      */
 579         unsigned long ilock;             /* Semaphores for IRQ-Routines      */
 580         struct sk_buff_head rcvq;        /* Receive-Message queue            */
 581         struct sk_buff_head sndq;        /* Send-Message queue               */
 582         struct sk_buff_head rackq;       /* Req-Ack-Message queue            */
 583         struct sk_buff_head sackq;       /* Data-Ack-Message queue           */
 584         u_char *ack_msg;                 /* Ptr to User Data in User skb     */
 585         __u16 need_b3ack;                /* Flag: Need ACK for current skb   */
 586         struct sk_buff *sbuf;            /* skb which is currently sent      */
 587         struct tq_struct snd_tq;         /* Task struct for xmit bh          */
 588         struct tq_struct rcv_tq;         /* Task struct for rcv bh           */
 589         struct tq_struct ack_tq;         /* Task struct for ack bh           */
 590         msn_entry *msn_list;
 591         unsigned short msgnum;           /* Message number for sending       */
 592         eicon_chan*     IdTable[256];    /* Table to find entity   */
 593         __u16  ref_in;
 594         __u16  ref_out;
 595         int    nchannels;                /* Number of B-Channels             */
 596         int    ReadyInt;                 /* Ready Interrupt                  */
 597         eicon_chan *bch;                 /* B-Channel status/control         */
 598         char   status_buf[256];          /* Buffer for status messages       */
 599         char   *status_buf_read;
 600         char   *status_buf_write;
 601         char   *status_buf_end;
 602         isdn_if interface;               /* Interface to upper layer         */
 603         char regname[35];                /* Name used for request_region     */
 604 #ifdef CONFIG_MCA
 605         int  mca_slot;                   /* # of cards MCA slot              */
 606 #endif
 607 } eicon_card;
 608
 609 /* -----------------------------------------------------------**
 610 ** The PROTOCOL_FEATURE_STRING                                **
 611 ** defines capabilities and                                   **
 612 ** features of the actual protocol code. It's used as a bit   **
 613 ** mask.                                                      **
 614 ** The following Bits are defined:                            **
 615 ** -----------------------------------------------------------*/
 616 #define PROTCAP_TELINDUS  0x0001  /* Telindus Variant of protocol code   */
 617 #define PROTCAP_MANIF     0x0002  /* Management interface implemented    */
 618 #define PROTCAP_V_42      0x0004  /* V42 implemented                     */
 619 #define PROTCAP_V90D      0x0008  /* V.90D (implies up to 384k DSP code) */
 620 #define PROTCAP_EXTD_FAX  0x0010  /* Extended FAX (ECM, 2D, T6, Polling) */
 621 #define PROTCAP_FREE4     0x0020  /* not used                            */
 622 #define PROTCAP_FREE5     0x0040  /* not used                            */
 623 #define PROTCAP_FREE6     0x0080  /* not used                            */
 624 #define PROTCAP_FREE7     0x0100  /* not used                            */
 625 #define PROTCAP_FREE8     0x0200  /* not used                            */
 626 #define PROTCAP_FREE9     0x0400  /* not used                            */
 627 #define PROTCAP_FREE10    0x0800  /* not used                            */
 628 #define PROTCAP_FREE11    0x1000  /* not used                            */
 629 #define PROTCAP_FREE12    0x2000  /* not used                            */
 630 #define PROTCAP_FREE13    0x4000  /* not used                            */
 631 #define PROTCAP_EXTENSION 0x8000  /* used for future extentions          */
 632
 633 #include "eicon_idi.h"
 634
 635 extern eicon_card *cards;
 636 extern char *eicon_ctype_name[];
 637
 638
 639 extern __inline__ void eicon_schedule_tx(eicon_card *card)
 640 {
 641         queue_task(&card->snd_tq, &tq_immediate);
 642         mark_bh(IMMEDIATE_BH);
 643 }
 644
 645 extern __inline__ void eicon_schedule_rx(eicon_card *card)
 646 {
 647         queue_task(&card->rcv_tq, &tq_immediate);
 648         mark_bh(IMMEDIATE_BH);
 649 }
 650
 651 extern __inline__ void eicon_schedule_ack(eicon_card *card)
 652 {
 653         queue_task(&card->ack_tq, &tq_immediate);
 654         mark_bh(IMMEDIATE_BH);
 655 }
 656
 657 extern char *eicon_find_eaz(eicon_card *, char);
 658 extern int eicon_addcard(int, int, int, char *);
 659 extern void eicon_io_transmit(eicon_card *card);
 660 extern void eicon_irq(int irq, void *dev_id, struct pt_regs *regs);
 661 extern void eicon_io_rcv_dispatch(eicon_card *ccard);
 662 extern void eicon_io_ack_dispatch(eicon_card *ccard);
 663 extern int eicon_get_xlog(eicon_card *card, xlogreq_t *xlogreq);
 664 #ifdef CONFIG_MCA
 665 extern int eicon_mca_find_card(int, int, int, char *);
 666 extern int eicon_mca_probe(int, int, int, int, char *);
 667 extern int eicon_info(char *, int , void *);
 668 #endif /* CONFIG_MCA */
 669
 670 extern ulong DebugVar;
 671
 672 #endif  /* __KERNEL__ */
 673
 674 #endif  /* eicon_h */