drivers/isdn/avmb1/b1.c

   1 /* $Id: b1.c,v 1.1.4.1 2001/11/20 14:19:34 kai Exp $
   2  *
   3  * Common module for AVM B1 cards.
   4  *
   5  * Copyright 1999 by Carsten Paeth <calle@calle.de>
   6  *
   7  * This software may be used and distributed according to the terms
   8  * of the GNU General Public License, incorporated herein by reference.
   9  *
  10  */
  11
  12 #include <linux/module.h>
  13 #include <linux/kernel.h>
  14 #include <linux/skbuff.h>
  15 #include <linux/delay.h>
  16 #include <linux/mm.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/ioport.h>
  19 #include <linux/capi.h>
  20 #include <linux/kernelcapi.h>
  21 #include <asm/io.h>
  22 #include <linux/init.h>
  23 #include <asm/uaccess.h>
  24 #include <linux/netdevice.h>
  25 #include "capilli.h"
  26 #include "avmcard.h"
  27 #include "capicmd.h"
  28 #include "capiutil.h"
  29
  30 static char *revision = "$Revision: 1.1.4.1 $";
  31
  32 /* ------------------------------------------------------------- */
  33
  34 MODULE_DESCRIPTION("CAPI4Linux: Common support for active AVM cards");
  35 MODULE_AUTHOR("Carsten Paeth");
  36 MODULE_LICENSE("GPL");
  37
  38 /* ------------------------------------------------------------- */
  39
  40 int b1_irq_table[16] =
  41 {0,
  42  0,
  43  0,
  44  192,                           /* irq 3 */
  45  32,                            /* irq 4 */
  46  160,                           /* irq 5 */
  47  96,                            /* irq 6 */
  48  224,                           /* irq 7 */
  49  0,
  50  64,                            /* irq 9 */
  51  80,                            /* irq 10 */
  52  208,                           /* irq 11 */
  53  48,                            /* irq 12 */
  54  0,
  55  0,
  56  112,                           /* irq 15 */
  57 };
  58
  59 /* ------------------------------------------------------------- */
  60
  61 int b1_detect(unsigned int base, enum avmcardtype cardtype)
  62 {
  63         int onoff, i;
  64
  65         /*
  66          * Statusregister 0000 00xx
  67          */
  68         if ((inb(base + B1_INSTAT) & 0xfc)
  69             || (inb(base + B1_OUTSTAT) & 0xfc))
  70                 return 1;
  71         /*
  72          * Statusregister 0000 001x
  73          */
  74         b1outp(base, B1_INSTAT, 0x2);   /* enable irq */
  75         /* b1outp(base, B1_OUTSTAT, 0x2); */
  76         if ((inb(base + B1_INSTAT) & 0xfe) != 0x2
  77             /* || (inb(base + B1_OUTSTAT) & 0xfe) != 0x2 */)
  78                 return 2;
  79         /*
  80          * Statusregister 0000 000x
  81          */
  82         b1outp(base, B1_INSTAT, 0x0);   /* disable irq */
  83         b1outp(base, B1_OUTSTAT, 0x0);
  84         if ((inb(base + B1_INSTAT) & 0xfe)
  85             || (inb(base + B1_OUTSTAT) & 0xfe))
  86                 return 3;
  87
  88         for (onoff = !0, i= 0; i < 10 ; i++) {
  89                 b1_set_test_bit(base, cardtype, onoff);
  90                 if (b1_get_test_bit(base, cardtype) != onoff)
  91                    return 4;
  92                 onoff = !onoff;
  93         }
  94
  95         if (cardtype == avm_m1)
  96            return 0;
  97
  98         if ((b1_rd_reg(base, B1_STAT1(cardtype)) & 0x0f) != 0x01)
  99            return 5;
 100
 101         return 0;
 102 }
 103
 104 void b1_getrevision(avmcard *card)
 105 {
 106     card->class = inb(card->port + B1_ANALYSE);
 107     card->revision = inb(card->port + B1_REVISION);
 108 }
 109
 110 int b1_load_t4file(avmcard *card, capiloaddatapart * t4file)
 111 {
 112         unsigned char buf[256];
 113         unsigned char *dp;
 114         int i, left, retval;
 115         unsigned int base = card->port;
 116
 117         dp = t4file->data;
 118         left = t4file->len;
 119         while (left > sizeof(buf)) {
 120                 if (t4file->user) {
 121                         retval = copy_from_user(buf, dp, sizeof(buf));
 122                         if (retval)
 123                                 return -EFAULT;
 124                 } else {
 125                         memcpy(buf, dp, sizeof(buf));
 126                 }
 127                 for (i = 0; i < sizeof(buf); i++)
 128                         if (b1_save_put_byte(base, buf[i]) < 0) {
 129                                 printk(KERN_ERR "%s: corrupted firmware file ?\n",
 130                                                 card->name);
 131                                 return -EIO;
 132                         }
 133                 left -= sizeof(buf);
 134                 dp += sizeof(buf);
 135         }
 136         if (left) {
 137                 if (t4file->user) {
 138                         retval = copy_from_user(buf, dp, left);
 139                         if (retval)
 140                                 return -EFAULT;
 141                 } else {
 142                         memcpy(buf, dp, left);
 143                 }
 144                 for (i = 0; i < left; i++)
 145                         if (b1_save_put_byte(base, buf[i]) < 0) {
 146                                 printk(KERN_ERR "%s: corrupted firmware file ?\n",
 147                                                 card->name);
 148                                 return -EIO;
 149                         }
 150         }
 151         return 0;
 152 }
 153
 154 int b1_load_config(avmcard *card, capiloaddatapart * config)
 155 {
 156         unsigned char buf[256];
 157         unsigned char *dp;
 158         unsigned int base = card->port;
 159         int i, j, left, retval;
 160
 161         dp = config->data;
 162         left = config->len;
 163         if (left) {
 164                 b1_put_byte(base, SEND_CONFIG);
 165                 b1_put_word(base, 1);
 166                 b1_put_byte(base, SEND_CONFIG);
 167                 b1_put_word(base, left);
 168         }
 169         while (left > sizeof(buf)) {
 170                 if (config->user) {
 171                         retval = copy_from_user(buf, dp, sizeof(buf));
 172                         if (retval)
 173                                 return -EFAULT;
 174                 } else {
 175                         memcpy(buf, dp, sizeof(buf));
 176                 }
 177                 for (i = 0; i < sizeof(buf); ) {
 178                         b1_put_byte(base, SEND_CONFIG);
 179                         for (j=0; j < 4; j++) {
 180                                 b1_put_byte(base, buf[i++]);
 181                         }
 182                 }
 183                 left -= sizeof(buf);
 184                 dp += sizeof(buf);
 185         }
 186         if (left) {
 187                 if (config->user) {
 188                         retval = copy_from_user(buf, dp, left);
 189                         if (retval)
 190                                 return -EFAULT;
 191                 } else {
 192                         memcpy(buf, dp, left);
 193                 }
 194                 for (i = 0; i < left; ) {
 195                         b1_put_byte(base, SEND_CONFIG);
 196                         for (j=0; j < 4; j++) {
 197                                 if (i < left)
 198                                         b1_put_byte(base, buf[i++]);
 199                                 else
 200                                         b1_put_byte(base, 0);
 201                         }
 202                 }
 203         }
 204         return 0;
 205 }
 206
 207 int b1_loaded(avmcard *card)
 208 {
 209         unsigned int base = card->port;
 210         unsigned long stop;
 211         unsigned char ans;
 212         unsigned long tout = 2;
 213
 214         for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 215                 if (b1_tx_empty(base))
 216                         break;
 217         }
 218         if (!b1_tx_empty(base)) {
 219                 printk(KERN_ERR "%s: b1_loaded: tx err, corrupted t4 file ?\n",
 220                                 card->name);
 221                 return 0;
 222         }
 223         b1_put_byte(base, SEND_POLL);
 224         for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 225                 if (b1_rx_full(base)) {
 226                         if ((ans = b1_get_byte(base)) == RECEIVE_POLL) {
 227                                 return 1;
 228                         }
 229                         printk(KERN_ERR "%s: b1_loaded: got 0x%x, firmware not running\n",
 230                                         card->name, ans);
 231                         return 0;
 232                 }
 233         }
 234         printk(KERN_ERR "%s: b1_loaded: firmware not running\n", card->name);
 235         return 0;
 236 }
 237
 238 /* ------------------------------------------------------------- */
 239
 240 int b1_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
 241 {
 242         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 243         avmcard *card = cinfo->card;
 244         unsigned int port = card->port;
 245         unsigned long flags;
 246         int retval;
 247
 248         b1_reset(port);
 249
 250         if ((retval = b1_load_t4file(card, &data->firmware))) {
 251                 b1_reset(port);
 252                 printk(KERN_ERR "%s: failed to load t4file!!\n",
 253                                         card->name);
 254                 return retval;
 255         }
 256
 257         b1_disable_irq(port);
 258
 259         if (data->configuration.len > 0 && data->configuration.data) {
 260                 if ((retval = b1_load_config(card, &data->configuration))) {
 261                         b1_reset(port);
 262                         printk(KERN_ERR "%s: failed to load config!!\n",
 263                                         card->name);
 264                         return retval;
 265                 }
 266         }
 267
 268         if (!b1_loaded(card)) {
 269                 printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
 270                 return -EIO;
 271         }
 272
 273         save_flags(flags);
 274         cli();
 275         b1_setinterrupt(port, card->irq, card->cardtype);
 276         b1_put_byte(port, SEND_INIT);
 277         b1_put_word(port, CAPI_MAXAPPL);
 278         b1_put_word(port, AVM_NCCI_PER_CHANNEL*2);
 279         b1_put_word(port, ctrl->cnr - 1);
 280         restore_flags(flags);
 281
 282         return 0;
 283 }
 284
 285 void b1_reset_ctr(struct capi_ctr *ctrl)
 286 {
 287         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 288         avmcard *card = cinfo->card;
 289         unsigned int port = card->port;
 290
 291         b1_reset(port);
 292         b1_reset(port);
 293
 294         memset(cinfo->version, 0, sizeof(cinfo->version));
 295         ctrl->reseted(ctrl);
 296 }
 297
 298 void b1_register_appl(struct capi_ctr *ctrl,
 299                                 __u16 appl,
 300                                 capi_register_params *rp)
 301 {
 302         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 303         avmcard *card = cinfo->card;
 304         unsigned int port = card->port;
 305         unsigned long flags;
 306         int nconn, want = rp->level3cnt;
 307
 308         if (want > 0) nconn = want;
 309         else nconn = ctrl->profile.nbchannel * -want;
 310         if (nconn == 0) nconn = ctrl->profile.nbchannel;
 311
 312         save_flags(flags);
 313         cli();
 314         b1_put_byte(port, SEND_REGISTER);
 315         b1_put_word(port, appl);
 316         b1_put_word(port, 1024 * (nconn+1));
 317         b1_put_word(port, nconn);
 318         b1_put_word(port, rp->datablkcnt);
 319         b1_put_word(port, rp->datablklen);
 320         restore_flags(flags);
 321
 322         ctrl->appl_registered(ctrl, appl);
 323 }
 324
 325 void b1_release_appl(struct capi_ctr *ctrl, __u16 appl)
 326 {
 327         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 328         avmcard *card = cinfo->card;
 329         unsigned int port = card->port;
 330         unsigned long flags;
 331
 332         save_flags(flags);
 333         cli();
 334         b1_put_byte(port, SEND_RELEASE);
 335         b1_put_word(port, appl);
 336         restore_flags(flags);
 337 }
 338
 339 void b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
 340 {
 341         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 342         avmcard *card = cinfo->card;
 343         unsigned int port = card->port;
 344         unsigned long flags;
 345         __u16 len = CAPIMSG_LEN(skb->data);
 346         __u8 cmd = CAPIMSG_COMMAND(skb->data);
 347         __u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
 348
 349         save_flags(flags);
 350         cli();
 351         if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
 352                 __u16 dlen = CAPIMSG_DATALEN(skb->data);
 353                 b1_put_byte(port, SEND_DATA_B3_REQ);
 354                 b1_put_slice(port, skb->data, len);
 355                 b1_put_slice(port, skb->data + len, dlen);
 356         } else {
 357                 b1_put_byte(port, SEND_MESSAGE);
 358                 b1_put_slice(port, skb->data, len);
 359         }
 360         restore_flags(flags);
 361         dev_kfree_skb_any(skb);
 362 }
 363
 364 /* ------------------------------------------------------------- */
 365
 366 void b1_parse_version(avmctrl_info *cinfo)
 367 {
 368         struct capi_ctr *ctrl = cinfo->capi_ctrl;
 369         avmcard *card = cinfo->card;
 370         capi_profile *profp;
 371         __u8 *dversion;
 372         __u8 flag;
 373         int i, j;
 374
 375         for (j = 0; j < AVM_MAXVERSION; j++)
 376                 cinfo->version[j] = "\0\0" + 1;
 377         for (i = 0, j = 0;
 378              j < AVM_MAXVERSION && i < cinfo->versionlen;
 379              j++, i += cinfo->versionbuf[i] + 1)
 380                 cinfo->version[j] = &cinfo->versionbuf[i + 1];
 381
 382         strncpy(ctrl->serial, cinfo->version[VER_SERIAL], CAPI_SERIAL_LEN);
 383         memcpy(&ctrl->profile, cinfo->version[VER_PROFILE],sizeof(capi_profile));
 384         strncpy(ctrl->manu, "AVM GmbH", CAPI_MANUFACTURER_LEN);
 385         dversion = cinfo->version[VER_DRIVER];
 386         ctrl->version.majorversion = 2;
 387         ctrl->version.minorversion = 0;
 388         ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
 389         ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
 390         ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
 391         ctrl->version.minormanuversion |=
 392                         (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
 393
 394         profp = &ctrl->profile;
 395
 396         flag = ((__u8 *)(profp->manu))[1];
 397         switch (flag) {
 398         case 0: if (cinfo->version[VER_CARDTYPE])
 399                    strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
 400                 else strcpy(cinfo->cardname, "B1");
 401                 break;
 402         case 3: strcpy(cinfo->cardname,"PCMCIA B"); break;
 403         case 4: strcpy(cinfo->cardname,"PCMCIA M1"); break;
 404         case 5: strcpy(cinfo->cardname,"PCMCIA M2"); break;
 405         case 6: strcpy(cinfo->cardname,"B1 V3.0"); break;
 406         case 7: strcpy(cinfo->cardname,"B1 PCI"); break;
 407         default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
 408         }
 409         printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
 410                                 card->name, ctrl->cnr, cinfo->cardname);
 411
 412         flag = ((__u8 *)(profp->manu))[3];
 413         if (flag)
 414                 printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
 415                         card->name,
 416                         ctrl->cnr,
 417                         (flag & 0x01) ? " DSS1" : "",
 418                         (flag & 0x02) ? " CT1" : "",
 419                         (flag & 0x04) ? " VN3" : "",
 420                         (flag & 0x08) ? " NI1" : "",
 421                         (flag & 0x10) ? " AUSTEL" : "",
 422                         (flag & 0x20) ? " ESS" : "",
 423                         (flag & 0x40) ? " 1TR6" : ""
 424                         );
 425
 426         flag = ((__u8 *)(profp->manu))[5];
 427         if (flag)
 428                 printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
 429                         card->name,
 430                         ctrl->cnr,
 431                         (flag & 0x01) ? " point to point" : "",
 432                         (flag & 0x02) ? " point to multipoint" : "",
 433                         (flag & 0x08) ? " leased line without D-channel" : "",
 434                         (flag & 0x04) ? " leased line with D-channel" : ""
 435                         );
 436 }
 437
 438 /* ------------------------------------------------------------- */
 439
 440 void b1_handle_interrupt(avmcard * card)
 441 {
 442         avmctrl_info *cinfo = &card->ctrlinfo[0];
 443         struct capi_ctr *ctrl = cinfo->capi_ctrl;
 444         unsigned char b1cmd;
 445         struct sk_buff *skb;
 446
 447         unsigned ApplId;
 448         unsigned MsgLen;
 449         unsigned DataB3Len;
 450         unsigned NCCI;
 451         unsigned WindowSize;
 452
 453         if (!b1_rx_full(card->port))
 454            return;
 455
 456         b1cmd = b1_get_byte(card->port);
 457
 458         switch (b1cmd) {
 459
 460         case RECEIVE_DATA_B3_IND:
 461
 462                 ApplId = (unsigned) b1_get_word(card->port);
 463                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 464                 DataB3Len = b1_get_slice(card->port, card->databuf);
 465
 466                 if (MsgLen < 30) { /* not CAPI 64Bit */
 467                         memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
 468                         MsgLen = 30;
 469                         CAPIMSG_SETLEN(card->msgbuf, 30);
 470                 }
 471                 if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
 472                         printk(KERN_ERR "%s: incoming packet dropped\n",
 473                                         card->name);
 474                 } else {
 475                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 476                         memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
 477                         ctrl->handle_capimsg(ctrl, ApplId, skb);
 478                 }
 479                 break;
 480
 481         case RECEIVE_MESSAGE:
 482
 483                 ApplId = (unsigned) b1_get_word(card->port);
 484                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 485                 if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
 486                         printk(KERN_ERR "%s: incoming packet dropped\n",
 487                                         card->name);
 488                 } else {
 489                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 490                         ctrl->handle_capimsg(ctrl, ApplId, skb);
 491                 }
 492                 break;
 493
 494         case RECEIVE_NEW_NCCI:
 495
 496                 ApplId = b1_get_word(card->port);
 497                 NCCI = b1_get_word(card->port);
 498                 WindowSize = b1_get_word(card->port);
 499
 500                 ctrl->new_ncci(ctrl, ApplId, NCCI, WindowSize);
 501
 502                 break;
 503
 504         case RECEIVE_FREE_NCCI:
 505
 506                 ApplId = b1_get_word(card->port);
 507                 NCCI = b1_get_word(card->port);
 508
 509                 if (NCCI != 0xffffffff)
 510                         ctrl->free_ncci(ctrl, ApplId, NCCI);
 511                 else ctrl->appl_released(ctrl, ApplId);
 512                 break;
 513
 514         case RECEIVE_START:
 515                 /* b1_put_byte(card->port, SEND_POLLACK); */
 516                 ctrl->resume_output(ctrl);
 517                 break;
 518
 519         case RECEIVE_STOP:
 520                 ctrl->suspend_output(ctrl);
 521                 break;
 522
 523         case RECEIVE_INIT:
 524
 525                 cinfo->versionlen = b1_get_slice(card->port, cinfo->versionbuf);
 526                 b1_parse_version(cinfo);
 527                 printk(KERN_INFO "%s: %s-card (%s) now active\n",
 528                        card->name,
 529                        cinfo->version[VER_CARDTYPE],
 530                        cinfo->version[VER_DRIVER]);
 531                 ctrl->ready(ctrl);
 532                 break;
 533
 534         case RECEIVE_TASK_READY:
 535                 ApplId = (unsigned) b1_get_word(card->port);
 536                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 537                 card->msgbuf[MsgLen] = 0;
 538                 while (    MsgLen > 0
 539                        && (   card->msgbuf[MsgLen-1] == '\n'
 540                            || card->msgbuf[MsgLen-1] == '\r')) {
 541                         card->msgbuf[MsgLen-1] = 0;
 542                         MsgLen--;
 543                 }
 544                 printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
 545                                 card->name, ApplId, card->msgbuf);
 546                 break;
 547
 548         case RECEIVE_DEBUGMSG:
 549                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 550                 card->msgbuf[MsgLen] = 0;
 551                 while (    MsgLen > 0
 552                        && (   card->msgbuf[MsgLen-1] == '\n'
 553                            || card->msgbuf[MsgLen-1] == '\r')) {
 554                         card->msgbuf[MsgLen-1] = 0;
 555                         MsgLen--;
 556                 }
 557                 printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
 558                 break;
 559
 560         case 0xff:
 561                 printk(KERN_ERR "%s: card removed ?\n", card->name);
 562                 return;
 563         default:
 564                 printk(KERN_ERR "%s: b1_interrupt: 0x%x ???\n",
 565                                 card->name, b1cmd);
 566                 return;
 567         }
 568 }
 569
 570 /* ------------------------------------------------------------- */
 571 int b1ctl_read_proc(char *page, char **start, off_t off,
 572                         int count, int *eof, struct capi_ctr *ctrl)
 573 {
 574         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 575         avmcard *card = cinfo->card;
 576         __u8 flag;
 577         int len = 0;
 578         char *s;
 579
 580         len += sprintf(page+len, "%-16s %s\n", "name", card->name);
 581         len += sprintf(page+len, "%-16s 0x%x\n", "io", card->port);
 582         len += sprintf(page+len, "%-16s %d\n", "irq", card->irq);
 583         switch (card->cardtype) {
 584         case avm_b1isa: s = "B1 ISA"; break;
 585         case avm_b1pci: s = "B1 PCI"; break;
 586         case avm_b1pcmcia: s = "B1 PCMCIA"; break;
 587         case avm_m1: s = "M1"; break;
 588         case avm_m2: s = "M2"; break;
 589         case avm_t1isa: s = "T1 ISA (HEMA)"; break;
 590         case avm_t1pci: s = "T1 PCI"; break;
 591         case avm_c4: s = "C4"; break;
 592         case avm_c2: s = "C2"; break;
 593         default: s = "???"; break;
 594         }
 595         len += sprintf(page+len, "%-16s %s\n", "type", s);
 596         if (card->cardtype == avm_t1isa)
 597            len += sprintf(page+len, "%-16s %d\n", "cardnr", card->cardnr);
 598         if ((s = cinfo->version[VER_DRIVER]) != 0)
 599            len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
 600         if ((s = cinfo->version[VER_CARDTYPE]) != 0)
 601            len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
 602         if ((s = cinfo->version[VER_SERIAL]) != 0)
 603            len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
 604
 605         if (card->cardtype != avm_m1) {
 606                 flag = ((__u8 *)(ctrl->profile.manu))[3];
 607                 if (flag)
 608                         len += sprintf(page+len, "%-16s%s%s%s%s%s%s%s\n",
 609                         "protocol",
 610                         (flag & 0x01) ? " DSS1" : "",
 611                         (flag & 0x02) ? " CT1" : "",
 612                         (flag & 0x04) ? " VN3" : "",
 613                         (flag & 0x08) ? " NI1" : "",
 614                         (flag & 0x10) ? " AUSTEL" : "",
 615                         (flag & 0x20) ? " ESS" : "",
 616                         (flag & 0x40) ? " 1TR6" : ""
 617                         );
 618         }
 619         if (card->cardtype != avm_m1) {
 620                 flag = ((__u8 *)(ctrl->profile.manu))[5];
 621                 if (flag)
 622                         len += sprintf(page+len, "%-16s%s%s%s%s\n",
 623                         "linetype",
 624                         (flag & 0x01) ? " point to point" : "",
 625                         (flag & 0x02) ? " point to multipoint" : "",
 626                         (flag & 0x08) ? " leased line without D-channel" : "",
 627                         (flag & 0x04) ? " leased line with D-channel" : ""
 628                         );
 629         }
 630         len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname);
 631
 632         if (off+count >= len)
 633            *eof = 1;
 634         if (len < off)
 635            return 0;
 636         *start = page + off;
 637         return ((count < len-off) ? count : len-off);
 638 }
 639
 640 /* ------------------------------------------------------------- */
 641
 642 EXPORT_SYMBOL(b1_irq_table);
 643
 644 EXPORT_SYMBOL(b1_detect);
 645 EXPORT_SYMBOL(b1_getrevision);
 646 EXPORT_SYMBOL(b1_load_t4file);
 647 EXPORT_SYMBOL(b1_load_config);
 648 EXPORT_SYMBOL(b1_loaded);
 649 EXPORT_SYMBOL(b1_load_firmware);
 650 EXPORT_SYMBOL(b1_reset_ctr);
 651 EXPORT_SYMBOL(b1_register_appl);
 652 EXPORT_SYMBOL(b1_release_appl);
 653 EXPORT_SYMBOL(b1_send_message);
 654
 655 EXPORT_SYMBOL(b1_parse_version);
 656 EXPORT_SYMBOL(b1_handle_interrupt);
 657
 658 EXPORT_SYMBOL(b1ctl_read_proc);
 659
 660 static int __init b1_init(void)
 661 {
 662         char *p;
 663         char rev[32];
 664
 665         if ((p = strchr(revision, ':')) != 0 && p[1]) {
 666                 strncpy(rev, p + 2, sizeof(rev));
 667                 rev[sizeof(rev)-1] = 0;
 668                 if ((p = strchr(rev, '$')) != 0 && p > rev)
 669                    *(p-1) = 0;
 670         } else
 671                 strcpy(rev, "1.0");
 672
 673         printk(KERN_INFO "b1: revision %s\n", rev);
 674
 675         return 0;
 676 }
 677
 678 static void __exit b1_exit(void)
 679 {
 680 }
 681
 682 module_init(b1_init);
 683 module_exit(b1_exit);