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   1 /* $Id: b1.c,v 1.1.2.2 2004/01/16 21:09:27 keil 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/pci.h>
  15 #include <linux/skbuff.h>
  16 #include <linux/delay.h>
  17 #include <linux/mm.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/ioport.h>
  20 #include <linux/capi.h>
  21 #include <linux/kernelcapi.h>
  22 #include <asm/io.h>
  23 #include <linux/init.h>
  24 #include <asm/uaccess.h>
  25 #include <linux/netdevice.h>
  26 #include <linux/isdn/capilli.h>
  27 #include "avmcard.h"
  28 #include <linux/isdn/capicmd.h>
  29 #include <linux/isdn/capiutil.h>
  30
  31 static char *revision = "$Revision: 1.1.2.2 $";
  32
  33 /* ------------------------------------------------------------- */
  34
  35 MODULE_DESCRIPTION("CAPI4Linux: Common support for active AVM cards");
  36 MODULE_AUTHOR("Carsten Paeth");
  37 MODULE_LICENSE("GPL");
  38
  39 /* ------------------------------------------------------------- */
  40
  41 int b1_irq_table[16] =
  42 {0,
  43  0,
  44  0,
  45  192,                           /* irq 3 */
  46  32,                            /* irq 4 */
  47  160,                           /* irq 5 */
  48  96,                            /* irq 6 */
  49  224,                           /* irq 7 */
  50  0,
  51  64,                            /* irq 9 */
  52  80,                            /* irq 10 */
  53  208,                           /* irq 11 */
  54  48,                            /* irq 12 */
  55  0,
  56  0,
  57  112,                           /* irq 15 */
  58 };
  59
  60 /* ------------------------------------------------------------- */
  61
  62 avmcard *b1_alloc_card(int nr_controllers)
  63 {
  64         avmcard *card;
  65         avmctrl_info *cinfo;
  66         int i;
  67
  68         card = kzalloc(sizeof(*card), GFP_KERNEL);
  69         if (!card)
  70                 return NULL;
  71
  72         cinfo = kzalloc(sizeof(*cinfo) * nr_controllers, GFP_KERNEL);
  73         if (!cinfo) {
  74                 kfree(card);
  75                 return NULL;
  76         }
  77
  78         card->ctrlinfo = cinfo;
  79         for (i = 0; i < nr_controllers; i++) {
  80                 INIT_LIST_HEAD(&cinfo[i].ncci_head);
  81                 cinfo[i].card = card;
  82         }
  83         spin_lock_init(&card->lock);
  84         card->nr_controllers = nr_controllers;
  85
  86         return card;
  87 }
  88
  89 /* ------------------------------------------------------------- */
  90
  91 void b1_free_card(avmcard *card)
  92 {
  93         kfree(card->ctrlinfo);
  94         kfree(card);
  95 }
  96
  97 /* ------------------------------------------------------------- */
  98
  99 int b1_detect(unsigned int base, enum avmcardtype cardtype)
 100 {
 101         int onoff, i;
 102
 103         /*
 104          * Statusregister 0000 00xx
 105          */
 106         if ((inb(base + B1_INSTAT) & 0xfc)
 107             || (inb(base + B1_OUTSTAT) & 0xfc))
 108                 return 1;
 109         /*
 110          * Statusregister 0000 001x
 111          */
 112         b1outp(base, B1_INSTAT, 0x2);   /* enable irq */
 113         /* b1outp(base, B1_OUTSTAT, 0x2); */
 114         if ((inb(base + B1_INSTAT) & 0xfe) != 0x2
 115             /* || (inb(base + B1_OUTSTAT) & 0xfe) != 0x2 */)
 116                 return 2;
 117         /*
 118          * Statusregister 0000 000x
 119          */
 120         b1outp(base, B1_INSTAT, 0x0);   /* disable irq */
 121         b1outp(base, B1_OUTSTAT, 0x0);
 122         if ((inb(base + B1_INSTAT) & 0xfe)
 123             || (inb(base + B1_OUTSTAT) & 0xfe))
 124                 return 3;
 125
 126         for (onoff = !0, i= 0; i < 10 ; i++) {
 127                 b1_set_test_bit(base, cardtype, onoff);
 128                 if (b1_get_test_bit(base, cardtype) != onoff)
 129                    return 4;
 130                 onoff = !onoff;
 131         }
 132
 133         if (cardtype == avm_m1)
 134            return 0;
 135
 136         if ((b1_rd_reg(base, B1_STAT1(cardtype)) & 0x0f) != 0x01)
 137            return 5;
 138
 139         return 0;
 140 }
 141
 142 void b1_getrevision(avmcard *card)
 143 {
 144     card->class = inb(card->port + B1_ANALYSE);
 145     card->revision = inb(card->port + B1_REVISION);
 146 }
 147
 148 #define FWBUF_SIZE      256
 149 int b1_load_t4file(avmcard *card, capiloaddatapart * t4file)
 150 {
 151         unsigned char buf[FWBUF_SIZE];
 152         unsigned char *dp;
 153         int i, left;
 154         unsigned int base = card->port;
 155
 156         dp = t4file->data;
 157         left = t4file->len;
 158         while (left > FWBUF_SIZE) {
 159                 if (t4file->user) {
 160                         if (copy_from_user(buf, dp, FWBUF_SIZE))
 161                                 return -EFAULT;
 162                 } else {
 163                         memcpy(buf, dp, FWBUF_SIZE);
 164                 }
 165                 for (i = 0; i < FWBUF_SIZE; i++)
 166                         if (b1_save_put_byte(base, buf[i]) < 0) {
 167                                 printk(KERN_ERR "%s: corrupted firmware file ?\n",
 168                                                 card->name);
 169                                 return -EIO;
 170                         }
 171                 left -= FWBUF_SIZE;
 172                 dp += FWBUF_SIZE;
 173         }
 174         if (left) {
 175                 if (t4file->user) {
 176                         if (copy_from_user(buf, dp, left))
 177                                 return -EFAULT;
 178                 } else {
 179                         memcpy(buf, dp, left);
 180                 }
 181                 for (i = 0; i < left; i++)
 182                         if (b1_save_put_byte(base, buf[i]) < 0) {
 183                                 printk(KERN_ERR "%s: corrupted firmware file ?\n",
 184                                                 card->name);
 185                                 return -EIO;
 186                         }
 187         }
 188         return 0;
 189 }
 190
 191 int b1_load_config(avmcard *card, capiloaddatapart * config)
 192 {
 193         unsigned char buf[FWBUF_SIZE];
 194         unsigned char *dp;
 195         unsigned int base = card->port;
 196         int i, j, left;
 197
 198         dp = config->data;
 199         left = config->len;
 200         if (left) {
 201                 b1_put_byte(base, SEND_CONFIG);
 202                 b1_put_word(base, 1);
 203                 b1_put_byte(base, SEND_CONFIG);
 204                 b1_put_word(base, left);
 205         }
 206         while (left > FWBUF_SIZE) {
 207                 if (config->user) {
 208                         if (copy_from_user(buf, dp, FWBUF_SIZE))
 209                                 return -EFAULT;
 210                 } else {
 211                         memcpy(buf, dp, FWBUF_SIZE);
 212                 }
 213                 for (i = 0; i < FWBUF_SIZE; ) {
 214                         b1_put_byte(base, SEND_CONFIG);
 215                         for (j=0; j < 4; j++) {
 216                                 b1_put_byte(base, buf[i++]);
 217                         }
 218                 }
 219                 left -= FWBUF_SIZE;
 220                 dp += FWBUF_SIZE;
 221         }
 222         if (left) {
 223                 if (config->user) {
 224                         if (copy_from_user(buf, dp, left))
 225                                 return -EFAULT;
 226                 } else {
 227                         memcpy(buf, dp, left);
 228                 }
 229                 for (i = 0; i < left; ) {
 230                         b1_put_byte(base, SEND_CONFIG);
 231                         for (j=0; j < 4; j++) {
 232                                 if (i < left)
 233                                         b1_put_byte(base, buf[i++]);
 234                                 else
 235                                         b1_put_byte(base, 0);
 236                         }
 237                 }
 238         }
 239         return 0;
 240 }
 241
 242 int b1_loaded(avmcard *card)
 243 {
 244         unsigned int base = card->port;
 245         unsigned long stop;
 246         unsigned char ans;
 247         unsigned long tout = 2;
 248
 249         for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 250                 if (b1_tx_empty(base))
 251                         break;
 252         }
 253         if (!b1_tx_empty(base)) {
 254                 printk(KERN_ERR "%s: b1_loaded: tx err, corrupted t4 file ?\n",
 255                                 card->name);
 256                 return 0;
 257         }
 258         b1_put_byte(base, SEND_POLL);
 259         for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 260                 if (b1_rx_full(base)) {
 261                         if ((ans = b1_get_byte(base)) == RECEIVE_POLL) {
 262                                 return 1;
 263                         }
 264                         printk(KERN_ERR "%s: b1_loaded: got 0x%x, firmware not running\n",
 265                                         card->name, ans);
 266                         return 0;
 267                 }
 268         }
 269         printk(KERN_ERR "%s: b1_loaded: firmware not running\n", card->name);
 270         return 0;
 271 }
 272
 273 /* ------------------------------------------------------------- */
 274
 275 int b1_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
 276 {
 277         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 278         avmcard *card = cinfo->card;
 279         unsigned int port = card->port;
 280         unsigned long flags;
 281         int retval;
 282
 283         b1_reset(port);
 284
 285         if ((retval = b1_load_t4file(card, &data->firmware))) {
 286                 b1_reset(port);
 287                 printk(KERN_ERR "%s: failed to load t4file!!\n",
 288                                         card->name);
 289                 return retval;
 290         }
 291
 292         b1_disable_irq(port);
 293
 294         if (data->configuration.len > 0 && data->configuration.data) {
 295                 if ((retval = b1_load_config(card, &data->configuration))) {
 296                         b1_reset(port);
 297                         printk(KERN_ERR "%s: failed to load config!!\n",
 298                                         card->name);
 299                         return retval;
 300                 }
 301         }
 302
 303         if (!b1_loaded(card)) {
 304                 printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
 305                 return -EIO;
 306         }
 307
 308         spin_lock_irqsave(&card->lock, flags);
 309         b1_setinterrupt(port, card->irq, card->cardtype);
 310         b1_put_byte(port, SEND_INIT);
 311         b1_put_word(port, CAPI_MAXAPPL);
 312         b1_put_word(port, AVM_NCCI_PER_CHANNEL*2);
 313         b1_put_word(port, ctrl->cnr - 1);
 314         spin_unlock_irqrestore(&card->lock, flags);
 315
 316         return 0;
 317 }
 318
 319 void b1_reset_ctr(struct capi_ctr *ctrl)
 320 {
 321         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 322         avmcard *card = cinfo->card;
 323         unsigned int port = card->port;
 324         unsigned long flags;
 325
 326         b1_reset(port);
 327         b1_reset(port);
 328
 329         memset(cinfo->version, 0, sizeof(cinfo->version));
 330         spin_lock_irqsave(&card->lock, flags);
 331         capilib_release(&cinfo->ncci_head);
 332         spin_unlock_irqrestore(&card->lock, flags);
 333         capi_ctr_down(ctrl);
 334 }
 335
 336 void b1_register_appl(struct capi_ctr *ctrl,
 337                                 u16 appl,
 338                                 capi_register_params *rp)
 339 {
 340         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 341         avmcard *card = cinfo->card;
 342         unsigned int port = card->port;
 343         unsigned long flags;
 344         int nconn, want = rp->level3cnt;
 345
 346         if (want > 0) nconn = want;
 347         else nconn = ctrl->profile.nbchannel * -want;
 348         if (nconn == 0) nconn = ctrl->profile.nbchannel;
 349
 350         spin_lock_irqsave(&card->lock, flags);
 351         b1_put_byte(port, SEND_REGISTER);
 352         b1_put_word(port, appl);
 353         b1_put_word(port, 1024 * (nconn+1));
 354         b1_put_word(port, nconn);
 355         b1_put_word(port, rp->datablkcnt);
 356         b1_put_word(port, rp->datablklen);
 357         spin_unlock_irqrestore(&card->lock, flags);
 358 }
 359
 360 void b1_release_appl(struct capi_ctr *ctrl, u16 appl)
 361 {
 362         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 363         avmcard *card = cinfo->card;
 364         unsigned int port = card->port;
 365         unsigned long flags;
 366
 367         spin_lock_irqsave(&card->lock, flags);
 368         capilib_release_appl(&cinfo->ncci_head, appl);
 369         b1_put_byte(port, SEND_RELEASE);
 370         b1_put_word(port, appl);
 371         spin_unlock_irqrestore(&card->lock, flags);
 372 }
 373
 374 u16 b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
 375 {
 376         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 377         avmcard *card = cinfo->card;
 378         unsigned int port = card->port;
 379         unsigned long flags;
 380         u16 len = CAPIMSG_LEN(skb->data);
 381         u8 cmd = CAPIMSG_COMMAND(skb->data);
 382         u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
 383         u16 dlen, retval;
 384
 385         spin_lock_irqsave(&card->lock, flags);
 386         if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
 387                 retval = capilib_data_b3_req(&cinfo->ncci_head,
 388                                              CAPIMSG_APPID(skb->data),
 389                                              CAPIMSG_NCCI(skb->data),
 390                                              CAPIMSG_MSGID(skb->data));
 391                 if (retval != CAPI_NOERROR) {
 392                         spin_unlock_irqrestore(&card->lock, flags);
 393                         return retval;
 394                 }
 395
 396                 dlen = CAPIMSG_DATALEN(skb->data);
 397
 398                 b1_put_byte(port, SEND_DATA_B3_REQ);
 399                 b1_put_slice(port, skb->data, len);
 400                 b1_put_slice(port, skb->data + len, dlen);
 401         } else {
 402                 b1_put_byte(port, SEND_MESSAGE);
 403                 b1_put_slice(port, skb->data, len);
 404         }
 405         spin_unlock_irqrestore(&card->lock, flags);
 406
 407         dev_kfree_skb_any(skb);
 408         return CAPI_NOERROR;
 409 }
 410
 411 /* ------------------------------------------------------------- */
 412
 413 void b1_parse_version(avmctrl_info *cinfo)
 414 {
 415         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 416         avmcard *card = cinfo->card;
 417         capi_profile *profp;
 418         u8 *dversion;
 419         u8 flag;
 420         int i, j;
 421
 422         for (j = 0; j < AVM_MAXVERSION; j++)
 423                 cinfo->version[j] = "\0\0" + 1;
 424         for (i = 0, j = 0;
 425              j < AVM_MAXVERSION && i < cinfo->versionlen;
 426              j++, i += cinfo->versionbuf[i] + 1)
 427                 cinfo->version[j] = &cinfo->versionbuf[i + 1];
 428
 429         strlcpy(ctrl->serial, cinfo->version[VER_SERIAL], sizeof(ctrl->serial));
 430         memcpy(&ctrl->profile, cinfo->version[VER_PROFILE],sizeof(capi_profile));
 431         strlcpy(ctrl->manu, "AVM GmbH", sizeof(ctrl->manu));
 432         dversion = cinfo->version[VER_DRIVER];
 433         ctrl->version.majorversion = 2;
 434         ctrl->version.minorversion = 0;
 435         ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
 436         ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
 437         ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
 438         ctrl->version.minormanuversion |=
 439                         (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
 440
 441         profp = &ctrl->profile;
 442
 443         flag = ((u8 *)(profp->manu))[1];
 444         switch (flag) {
 445         case 0: if (cinfo->version[VER_CARDTYPE])
 446                    strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
 447                 else strcpy(cinfo->cardname, "B1");
 448                 break;
 449         case 3: strcpy(cinfo->cardname,"PCMCIA B"); break;
 450         case 4: strcpy(cinfo->cardname,"PCMCIA M1"); break;
 451         case 5: strcpy(cinfo->cardname,"PCMCIA M2"); break;
 452         case 6: strcpy(cinfo->cardname,"B1 V3.0"); break;
 453         case 7: strcpy(cinfo->cardname,"B1 PCI"); break;
 454         default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
 455         }
 456         printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
 457                                 card->name, ctrl->cnr, cinfo->cardname);
 458
 459         flag = ((u8 *)(profp->manu))[3];
 460         if (flag)
 461                 printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
 462                         card->name,
 463                         ctrl->cnr,
 464                         (flag & 0x01) ? " DSS1" : "",
 465                         (flag & 0x02) ? " CT1" : "",
 466                         (flag & 0x04) ? " VN3" : "",
 467                         (flag & 0x08) ? " NI1" : "",
 468                         (flag & 0x10) ? " AUSTEL" : "",
 469                         (flag & 0x20) ? " ESS" : "",
 470                         (flag & 0x40) ? " 1TR6" : ""
 471                         );
 472
 473         flag = ((u8 *)(profp->manu))[5];
 474         if (flag)
 475                 printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
 476                         card->name,
 477                         ctrl->cnr,
 478                         (flag & 0x01) ? " point to point" : "",
 479                         (flag & 0x02) ? " point to multipoint" : "",
 480                         (flag & 0x08) ? " leased line without D-channel" : "",
 481                         (flag & 0x04) ? " leased line with D-channel" : ""
 482                         );
 483 }
 484
 485 /* ------------------------------------------------------------- */
 486
 487 irqreturn_t b1_interrupt(int interrupt, void *devptr)
 488 {
 489         avmcard *card = devptr;
 490         avmctrl_info *cinfo = &card->ctrlinfo[0];
 491         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 492         unsigned char b1cmd;
 493         struct sk_buff *skb;
 494
 495         unsigned ApplId;
 496         unsigned MsgLen;
 497         unsigned DataB3Len;
 498         unsigned NCCI;
 499         unsigned WindowSize;
 500         unsigned long flags;
 501
 502         spin_lock_irqsave(&card->lock, flags);
 503
 504         if (!b1_rx_full(card->port)) {
 505                 spin_unlock_irqrestore(&card->lock, flags);
 506                 return IRQ_NONE;
 507         }
 508
 509         b1cmd = b1_get_byte(card->port);
 510
 511         switch (b1cmd) {
 512
 513         case RECEIVE_DATA_B3_IND:
 514
 515                 ApplId = (unsigned) b1_get_word(card->port);
 516                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 517                 DataB3Len = b1_get_slice(card->port, card->databuf);
 518                 spin_unlock_irqrestore(&card->lock, flags);
 519
 520                 if (MsgLen < 30) { /* not CAPI 64Bit */
 521                         memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
 522                         MsgLen = 30;
 523                         CAPIMSG_SETLEN(card->msgbuf, 30);
 524                 }
 525                 if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
 526                         printk(KERN_ERR "%s: incoming packet dropped\n",
 527                                         card->name);
 528                 } else {
 529                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 530                         memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
 531                         capi_ctr_handle_message(ctrl, ApplId, skb);
 532                 }
 533                 break;
 534
 535         case RECEIVE_MESSAGE:
 536
 537                 ApplId = (unsigned) b1_get_word(card->port);
 538                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 539                 if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
 540                         printk(KERN_ERR "%s: incoming packet dropped\n",
 541                                         card->name);
 542                         spin_unlock_irqrestore(&card->lock, flags);
 543                 } else {
 544                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 545                         if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
 546                                 capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
 547                                                      CAPIMSG_NCCI(skb->data),
 548                                                      CAPIMSG_MSGID(skb->data));
 549                         spin_unlock_irqrestore(&card->lock, flags);
 550                         capi_ctr_handle_message(ctrl, ApplId, skb);
 551                 }
 552                 break;
 553
 554         case RECEIVE_NEW_NCCI:
 555
 556                 ApplId = b1_get_word(card->port);
 557                 NCCI = b1_get_word(card->port);
 558                 WindowSize = b1_get_word(card->port);
 559                 capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
 560                 spin_unlock_irqrestore(&card->lock, flags);
 561                 break;
 562
 563         case RECEIVE_FREE_NCCI:
 564
 565                 ApplId = b1_get_word(card->port);
 566                 NCCI = b1_get_word(card->port);
 567                 if (NCCI != 0xffffffff)
 568                         capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
 569                 spin_unlock_irqrestore(&card->lock, flags);
 570                 break;
 571
 572         case RECEIVE_START:
 573                 /* b1_put_byte(card->port, SEND_POLLACK); */
 574                 spin_unlock_irqrestore(&card->lock, flags);
 575                 capi_ctr_resume_output(ctrl);
 576                 break;
 577
 578         case RECEIVE_STOP:
 579                 spin_unlock_irqrestore(&card->lock, flags);
 580                 capi_ctr_suspend_output(ctrl);
 581                 break;
 582
 583         case RECEIVE_INIT:
 584
 585                 cinfo->versionlen = b1_get_slice(card->port, cinfo->versionbuf);
 586                 spin_unlock_irqrestore(&card->lock, flags);
 587                 b1_parse_version(cinfo);
 588                 printk(KERN_INFO "%s: %s-card (%s) now active\n",
 589                        card->name,
 590                        cinfo->version[VER_CARDTYPE],
 591                        cinfo->version[VER_DRIVER]);
 592                 capi_ctr_ready(ctrl);
 593                 break;
 594
 595         case RECEIVE_TASK_READY:
 596                 ApplId = (unsigned) b1_get_word(card->port);
 597                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 598                 spin_unlock_irqrestore(&card->lock, flags);
 599                 card->msgbuf[MsgLen] = 0;
 600                 while (    MsgLen > 0
 601                        && (   card->msgbuf[MsgLen-1] == '\n'
 602                            || card->msgbuf[MsgLen-1] == '\r')) {
 603                         card->msgbuf[MsgLen-1] = 0;
 604                         MsgLen--;
 605                 }
 606                 printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
 607                                 card->name, ApplId, card->msgbuf);
 608                 break;
 609
 610         case RECEIVE_DEBUGMSG:
 611                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 612                 spin_unlock_irqrestore(&card->lock, flags);
 613                 card->msgbuf[MsgLen] = 0;
 614                 while (    MsgLen > 0
 615                        && (   card->msgbuf[MsgLen-1] == '\n'
 616                            || card->msgbuf[MsgLen-1] == '\r')) {
 617                         card->msgbuf[MsgLen-1] = 0;
 618                         MsgLen--;
 619                 }
 620                 printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
 621                 break;
 622
 623         case 0xff:
 624                 spin_unlock_irqrestore(&card->lock, flags);
 625                 printk(KERN_ERR "%s: card removed ?\n", card->name);
 626                 return IRQ_NONE;
 627         default:
 628                 spin_unlock_irqrestore(&card->lock, flags);
 629                 printk(KERN_ERR "%s: b1_interrupt: 0x%x ???\n",
 630                                 card->name, b1cmd);
 631                 return IRQ_HANDLED;
 632         }
 633         return IRQ_HANDLED;
 634 }
 635
 636 /* ------------------------------------------------------------- */
 637 int b1ctl_read_proc(char *page, char **start, off_t off,
 638                         int count, int *eof, struct capi_ctr *ctrl)
 639 {
 640         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 641         avmcard *card = cinfo->card;
 642         u8 flag;
 643         int len = 0;
 644         char *s;
 645
 646         len += sprintf(page+len, "%-16s %s\n", "name", card->name);
 647         len += sprintf(page+len, "%-16s 0x%x\n", "io", card->port);
 648         len += sprintf(page+len, "%-16s %d\n", "irq", card->irq);
 649         switch (card->cardtype) {
 650         case avm_b1isa: s = "B1 ISA"; break;
 651         case avm_b1pci: s = "B1 PCI"; break;
 652         case avm_b1pcmcia: s = "B1 PCMCIA"; break;
 653         case avm_m1: s = "M1"; break;
 654         case avm_m2: s = "M2"; break;
 655         case avm_t1isa: s = "T1 ISA (HEMA)"; break;
 656         case avm_t1pci: s = "T1 PCI"; break;
 657         case avm_c4: s = "C4"; break;
 658         case avm_c2: s = "C2"; break;
 659         default: s = "???"; break;
 660         }
 661         len += sprintf(page+len, "%-16s %s\n", "type", s);
 662         if (card->cardtype == avm_t1isa)
 663            len += sprintf(page+len, "%-16s %d\n", "cardnr", card->cardnr);
 664         if ((s = cinfo->version[VER_DRIVER]) != NULL)
 665            len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
 666         if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 667            len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
 668         if ((s = cinfo->version[VER_SERIAL]) != NULL)
 669            len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
 670
 671         if (card->cardtype != avm_m1) {
 672                 flag = ((u8 *)(ctrl->profile.manu))[3];
 673                 if (flag)
 674                         len += sprintf(page+len, "%-16s%s%s%s%s%s%s%s\n",
 675                         "protocol",
 676                         (flag & 0x01) ? " DSS1" : "",
 677                         (flag & 0x02) ? " CT1" : "",
 678                         (flag & 0x04) ? " VN3" : "",
 679                         (flag & 0x08) ? " NI1" : "",
 680                         (flag & 0x10) ? " AUSTEL" : "",
 681                         (flag & 0x20) ? " ESS" : "",
 682                         (flag & 0x40) ? " 1TR6" : ""
 683                         );
 684         }
 685         if (card->cardtype != avm_m1) {
 686                 flag = ((u8 *)(ctrl->profile.manu))[5];
 687                 if (flag)
 688                         len += sprintf(page+len, "%-16s%s%s%s%s\n",
 689                         "linetype",
 690                         (flag & 0x01) ? " point to point" : "",
 691                         (flag & 0x02) ? " point to multipoint" : "",
 692                         (flag & 0x08) ? " leased line without D-channel" : "",
 693                         (flag & 0x04) ? " leased line with D-channel" : ""
 694                         );
 695         }
 696         len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname);
 697
 698         if (off+count >= len)
 699            *eof = 1;
 700         if (len < off)
 701            return 0;
 702         *start = page + off;
 703         return ((count < len-off) ? count : len-off);
 704 }
 705
 706 /* ------------------------------------------------------------- */
 707
 708 #ifdef CONFIG_PCI
 709
 710 avmcard_dmainfo *
 711 avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
 712 {
 713         avmcard_dmainfo *p;
 714         void *buf;
 715
 716         p = kzalloc(sizeof(avmcard_dmainfo), GFP_KERNEL);
 717         if (!p) {
 718                 printk(KERN_WARNING "%s: no memory.\n", name);
 719                 goto err;
 720         }
 721
 722         p->recvbuf.size = rsize;
 723         buf = pci_alloc_consistent(pdev, rsize, &p->recvbuf.dmaaddr);
 724         if (!buf) {
 725                 printk(KERN_WARNING "%s: allocation of receive dma buffer failed.\n", name);
 726                 goto err_kfree;
 727         }
 728         p->recvbuf.dmabuf = buf;
 729
 730         p->sendbuf.size = ssize;
 731         buf = pci_alloc_consistent(pdev, ssize, &p->sendbuf.dmaaddr);
 732         if (!buf) {
 733                 printk(KERN_WARNING "%s: allocation of send dma buffer failed.\n", name);
 734                 goto err_free_consistent;
 735         }
 736
 737         p->sendbuf.dmabuf = buf;
 738         skb_queue_head_init(&p->send_queue);
 739
 740         return p;
 741
 742  err_free_consistent:
 743         pci_free_consistent(p->pcidev, p->recvbuf.size,
 744                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 745  err_kfree:
 746         kfree(p);
 747  err:
 748         return NULL;
 749 }
 750
 751 void avmcard_dma_free(avmcard_dmainfo *p)
 752 {
 753         pci_free_consistent(p->pcidev, p->recvbuf.size,
 754                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 755         pci_free_consistent(p->pcidev, p->sendbuf.size,
 756                             p->sendbuf.dmabuf, p->sendbuf.dmaaddr);
 757         skb_queue_purge(&p->send_queue);
 758         kfree(p);
 759 }
 760
 761 EXPORT_SYMBOL(avmcard_dma_alloc);
 762 EXPORT_SYMBOL(avmcard_dma_free);
 763
 764 #endif
 765
 766 EXPORT_SYMBOL(b1_irq_table);
 767
 768 EXPORT_SYMBOL(b1_alloc_card);
 769 EXPORT_SYMBOL(b1_free_card);
 770 EXPORT_SYMBOL(b1_detect);
 771 EXPORT_SYMBOL(b1_getrevision);
 772 EXPORT_SYMBOL(b1_load_t4file);
 773 EXPORT_SYMBOL(b1_load_config);
 774 EXPORT_SYMBOL(b1_loaded);
 775 EXPORT_SYMBOL(b1_load_firmware);
 776 EXPORT_SYMBOL(b1_reset_ctr);
 777 EXPORT_SYMBOL(b1_register_appl);
 778 EXPORT_SYMBOL(b1_release_appl);
 779 EXPORT_SYMBOL(b1_send_message);
 780
 781 EXPORT_SYMBOL(b1_parse_version);
 782 EXPORT_SYMBOL(b1_interrupt);
 783
 784 EXPORT_SYMBOL(b1ctl_read_proc);
 785
 786 static int __init b1_init(void)
 787 {
 788         char *p;
 789         char rev[32];
 790
 791         if ((p = strchr(revision, ':')) != NULL && p[1]) {
 792                 strlcpy(rev, p + 2, 32);
 793                 if ((p = strchr(rev, '$')) != NULL && p > rev)
 794                    *(p-1) = 0;
 795         } else
 796                 strcpy(rev, "1.0");
 797
 798         printk(KERN_INFO "b1: revision %s\n", rev);
 799
 800         return 0;
 801 }
 802
 803 static void __exit b1_exit(void)
 804 {
 805 }
 806
 807 module_init(b1_init);
 808 module_exit(b1_exit);