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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/proc_fs.h>
  16 #include <linux/seq_file.h>
  17 #include <linux/skbuff.h>
  18 #include <linux/delay.h>
  19 #include <linux/mm.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/ioport.h>
  22 #include <linux/capi.h>
  23 #include <linux/kernelcapi.h>
  24 #include <asm/io.h>
  25 #include <linux/init.h>
  26 #include <asm/uaccess.h>
  27 #include <linux/netdevice.h>
  28 #include <linux/isdn/capilli.h>
  29 #include "avmcard.h"
  30 #include <linux/isdn/capicmd.h>
  31 #include <linux/isdn/capiutil.h>
  32
  33 static char *revision = "$Revision: 1.1.2.2 $";
  34
  35 /* ------------------------------------------------------------- */
  36
  37 MODULE_DESCRIPTION("CAPI4Linux: Common support for active AVM cards");
  38 MODULE_AUTHOR("Carsten Paeth");
  39 MODULE_LICENSE("GPL");
  40
  41 /* ------------------------------------------------------------- */
  42
  43 int b1_irq_table[16] =
  44 {0,
  45  0,
  46  0,
  47  192,                           /* irq 3 */
  48  32,                            /* irq 4 */
  49  160,                           /* irq 5 */
  50  96,                            /* irq 6 */
  51  224,                           /* irq 7 */
  52  0,
  53  64,                            /* irq 9 */
  54  80,                            /* irq 10 */
  55  208,                           /* irq 11 */
  56  48,                            /* irq 12 */
  57  0,
  58  0,
  59  112,                           /* irq 15 */
  60 };
  61
  62 /* ------------------------------------------------------------- */
  63
  64 avmcard *b1_alloc_card(int nr_controllers)
  65 {
  66         avmcard *card;
  67         avmctrl_info *cinfo;
  68         int i;
  69
  70         card = kzalloc(sizeof(*card), GFP_KERNEL);
  71         if (!card)
  72                 return NULL;
  73
  74         cinfo = kzalloc(sizeof(*cinfo) * nr_controllers, GFP_KERNEL);
  75         if (!cinfo) {
  76                 kfree(card);
  77                 return NULL;
  78         }
  79
  80         card->ctrlinfo = cinfo;
  81         for (i = 0; i < nr_controllers; i++) {
  82                 INIT_LIST_HEAD(&cinfo[i].ncci_head);
  83                 cinfo[i].card = card;
  84         }
  85         spin_lock_init(&card->lock);
  86         card->nr_controllers = nr_controllers;
  87
  88         return card;
  89 }
  90
  91 /* ------------------------------------------------------------- */
  92
  93 void b1_free_card(avmcard *card)
  94 {
  95         kfree(card->ctrlinfo);
  96         kfree(card);
  97 }
  98
  99 /* ------------------------------------------------------------- */
 100
 101 int b1_detect(unsigned int base, enum avmcardtype cardtype)
 102 {
 103         int onoff, i;
 104
 105         /*
 106          * Statusregister 0000 00xx
 107          */
 108         if ((inb(base + B1_INSTAT) & 0xfc)
 109             || (inb(base + B1_OUTSTAT) & 0xfc))
 110                 return 1;
 111         /*
 112          * Statusregister 0000 001x
 113          */
 114         b1outp(base, B1_INSTAT, 0x2);   /* enable irq */
 115         /* b1outp(base, B1_OUTSTAT, 0x2); */
 116         if ((inb(base + B1_INSTAT) & 0xfe) != 0x2
 117             /* || (inb(base + B1_OUTSTAT) & 0xfe) != 0x2 */)
 118                 return 2;
 119         /*
 120          * Statusregister 0000 000x
 121          */
 122         b1outp(base, B1_INSTAT, 0x0);   /* disable irq */
 123         b1outp(base, B1_OUTSTAT, 0x0);
 124         if ((inb(base + B1_INSTAT) & 0xfe)
 125             || (inb(base + B1_OUTSTAT) & 0xfe))
 126                 return 3;
 127
 128         for (onoff = !0, i= 0; i < 10 ; i++) {
 129                 b1_set_test_bit(base, cardtype, onoff);
 130                 if (b1_get_test_bit(base, cardtype) != onoff)
 131                    return 4;
 132                 onoff = !onoff;
 133         }
 134
 135         if (cardtype == avm_m1)
 136            return 0;
 137
 138         if ((b1_rd_reg(base, B1_STAT1(cardtype)) & 0x0f) != 0x01)
 139            return 5;
 140
 141         return 0;
 142 }
 143
 144 void b1_getrevision(avmcard *card)
 145 {
 146     card->class = inb(card->port + B1_ANALYSE);
 147     card->revision = inb(card->port + B1_REVISION);
 148 }
 149
 150 #define FWBUF_SIZE      256
 151 int b1_load_t4file(avmcard *card, capiloaddatapart * t4file)
 152 {
 153         unsigned char buf[FWBUF_SIZE];
 154         unsigned char *dp;
 155         int i, left;
 156         unsigned int base = card->port;
 157
 158         dp = t4file->data;
 159         left = t4file->len;
 160         while (left > FWBUF_SIZE) {
 161                 if (t4file->user) {
 162                         if (copy_from_user(buf, dp, FWBUF_SIZE))
 163                                 return -EFAULT;
 164                 } else {
 165                         memcpy(buf, dp, FWBUF_SIZE);
 166                 }
 167                 for (i = 0; i < FWBUF_SIZE; i++)
 168                         if (b1_save_put_byte(base, buf[i]) < 0) {
 169                                 printk(KERN_ERR "%s: corrupted firmware file ?\n",
 170                                                 card->name);
 171                                 return -EIO;
 172                         }
 173                 left -= FWBUF_SIZE;
 174                 dp += FWBUF_SIZE;
 175         }
 176         if (left) {
 177                 if (t4file->user) {
 178                         if (copy_from_user(buf, dp, left))
 179                                 return -EFAULT;
 180                 } else {
 181                         memcpy(buf, dp, left);
 182                 }
 183                 for (i = 0; i < left; i++)
 184                         if (b1_save_put_byte(base, buf[i]) < 0) {
 185                                 printk(KERN_ERR "%s: corrupted firmware file ?\n",
 186                                                 card->name);
 187                                 return -EIO;
 188                         }
 189         }
 190         return 0;
 191 }
 192
 193 int b1_load_config(avmcard *card, capiloaddatapart * config)
 194 {
 195         unsigned char buf[FWBUF_SIZE];
 196         unsigned char *dp;
 197         unsigned int base = card->port;
 198         int i, j, left;
 199
 200         dp = config->data;
 201         left = config->len;
 202         if (left) {
 203                 b1_put_byte(base, SEND_CONFIG);
 204                 b1_put_word(base, 1);
 205                 b1_put_byte(base, SEND_CONFIG);
 206                 b1_put_word(base, left);
 207         }
 208         while (left > FWBUF_SIZE) {
 209                 if (config->user) {
 210                         if (copy_from_user(buf, dp, FWBUF_SIZE))
 211                                 return -EFAULT;
 212                 } else {
 213                         memcpy(buf, dp, FWBUF_SIZE);
 214                 }
 215                 for (i = 0; i < FWBUF_SIZE; ) {
 216                         b1_put_byte(base, SEND_CONFIG);
 217                         for (j=0; j < 4; j++) {
 218                                 b1_put_byte(base, buf[i++]);
 219                         }
 220                 }
 221                 left -= FWBUF_SIZE;
 222                 dp += FWBUF_SIZE;
 223         }
 224         if (left) {
 225                 if (config->user) {
 226                         if (copy_from_user(buf, dp, left))
 227                                 return -EFAULT;
 228                 } else {
 229                         memcpy(buf, dp, left);
 230                 }
 231                 for (i = 0; i < left; ) {
 232                         b1_put_byte(base, SEND_CONFIG);
 233                         for (j=0; j < 4; j++) {
 234                                 if (i < left)
 235                                         b1_put_byte(base, buf[i++]);
 236                                 else
 237                                         b1_put_byte(base, 0);
 238                         }
 239                 }
 240         }
 241         return 0;
 242 }
 243
 244 int b1_loaded(avmcard *card)
 245 {
 246         unsigned int base = card->port;
 247         unsigned long stop;
 248         unsigned char ans;
 249         unsigned long tout = 2;
 250
 251         for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 252                 if (b1_tx_empty(base))
 253                         break;
 254         }
 255         if (!b1_tx_empty(base)) {
 256                 printk(KERN_ERR "%s: b1_loaded: tx err, corrupted t4 file ?\n",
 257                                 card->name);
 258                 return 0;
 259         }
 260         b1_put_byte(base, SEND_POLL);
 261         for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 262                 if (b1_rx_full(base)) {
 263                         if ((ans = b1_get_byte(base)) == RECEIVE_POLL) {
 264                                 return 1;
 265                         }
 266                         printk(KERN_ERR "%s: b1_loaded: got 0x%x, firmware not running\n",
 267                                         card->name, ans);
 268                         return 0;
 269                 }
 270         }
 271         printk(KERN_ERR "%s: b1_loaded: firmware not running\n", card->name);
 272         return 0;
 273 }
 274
 275 /* ------------------------------------------------------------- */
 276
 277 int b1_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
 278 {
 279         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 280         avmcard *card = cinfo->card;
 281         unsigned int port = card->port;
 282         unsigned long flags;
 283         int retval;
 284
 285         b1_reset(port);
 286
 287         if ((retval = b1_load_t4file(card, &data->firmware))) {
 288                 b1_reset(port);
 289                 printk(KERN_ERR "%s: failed to load t4file!!\n",
 290                                         card->name);
 291                 return retval;
 292         }
 293
 294         b1_disable_irq(port);
 295
 296         if (data->configuration.len > 0 && data->configuration.data) {
 297                 if ((retval = b1_load_config(card, &data->configuration))) {
 298                         b1_reset(port);
 299                         printk(KERN_ERR "%s: failed to load config!!\n",
 300                                         card->name);
 301                         return retval;
 302                 }
 303         }
 304
 305         if (!b1_loaded(card)) {
 306                 printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
 307                 return -EIO;
 308         }
 309
 310         spin_lock_irqsave(&card->lock, flags);
 311         b1_setinterrupt(port, card->irq, card->cardtype);
 312         b1_put_byte(port, SEND_INIT);
 313         b1_put_word(port, CAPI_MAXAPPL);
 314         b1_put_word(port, AVM_NCCI_PER_CHANNEL*2);
 315         b1_put_word(port, ctrl->cnr - 1);
 316         spin_unlock_irqrestore(&card->lock, flags);
 317
 318         return 0;
 319 }
 320
 321 void b1_reset_ctr(struct capi_ctr *ctrl)
 322 {
 323         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 324         avmcard *card = cinfo->card;
 325         unsigned int port = card->port;
 326         unsigned long flags;
 327
 328         b1_reset(port);
 329         b1_reset(port);
 330
 331         memset(cinfo->version, 0, sizeof(cinfo->version));
 332         spin_lock_irqsave(&card->lock, flags);
 333         capilib_release(&cinfo->ncci_head);
 334         spin_unlock_irqrestore(&card->lock, flags);
 335         capi_ctr_down(ctrl);
 336 }
 337
 338 void b1_register_appl(struct capi_ctr *ctrl,
 339                                 u16 appl,
 340                                 capi_register_params *rp)
 341 {
 342         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 343         avmcard *card = cinfo->card;
 344         unsigned int port = card->port;
 345         unsigned long flags;
 346         int nconn, want = rp->level3cnt;
 347
 348         if (want > 0) nconn = want;
 349         else nconn = ctrl->profile.nbchannel * -want;
 350         if (nconn == 0) nconn = ctrl->profile.nbchannel;
 351
 352         spin_lock_irqsave(&card->lock, flags);
 353         b1_put_byte(port, SEND_REGISTER);
 354         b1_put_word(port, appl);
 355         b1_put_word(port, 1024 * (nconn+1));
 356         b1_put_word(port, nconn);
 357         b1_put_word(port, rp->datablkcnt);
 358         b1_put_word(port, rp->datablklen);
 359         spin_unlock_irqrestore(&card->lock, flags);
 360 }
 361
 362 void b1_release_appl(struct capi_ctr *ctrl, u16 appl)
 363 {
 364         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 365         avmcard *card = cinfo->card;
 366         unsigned int port = card->port;
 367         unsigned long flags;
 368
 369         spin_lock_irqsave(&card->lock, flags);
 370         capilib_release_appl(&cinfo->ncci_head, appl);
 371         b1_put_byte(port, SEND_RELEASE);
 372         b1_put_word(port, appl);
 373         spin_unlock_irqrestore(&card->lock, flags);
 374 }
 375
 376 u16 b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
 377 {
 378         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 379         avmcard *card = cinfo->card;
 380         unsigned int port = card->port;
 381         unsigned long flags;
 382         u16 len = CAPIMSG_LEN(skb->data);
 383         u8 cmd = CAPIMSG_COMMAND(skb->data);
 384         u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
 385         u16 dlen, retval;
 386
 387         spin_lock_irqsave(&card->lock, flags);
 388         if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
 389                 retval = capilib_data_b3_req(&cinfo->ncci_head,
 390                                              CAPIMSG_APPID(skb->data),
 391                                              CAPIMSG_NCCI(skb->data),
 392                                              CAPIMSG_MSGID(skb->data));
 393                 if (retval != CAPI_NOERROR) {
 394                         spin_unlock_irqrestore(&card->lock, flags);
 395                         return retval;
 396                 }
 397
 398                 dlen = CAPIMSG_DATALEN(skb->data);
 399
 400                 b1_put_byte(port, SEND_DATA_B3_REQ);
 401                 b1_put_slice(port, skb->data, len);
 402                 b1_put_slice(port, skb->data + len, dlen);
 403         } else {
 404                 b1_put_byte(port, SEND_MESSAGE);
 405                 b1_put_slice(port, skb->data, len);
 406         }
 407         spin_unlock_irqrestore(&card->lock, flags);
 408
 409         dev_kfree_skb_any(skb);
 410         return CAPI_NOERROR;
 411 }
 412
 413 /* ------------------------------------------------------------- */
 414
 415 void b1_parse_version(avmctrl_info *cinfo)
 416 {
 417         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 418         avmcard *card = cinfo->card;
 419         capi_profile *profp;
 420         u8 *dversion;
 421         u8 flag;
 422         int i, j;
 423
 424         for (j = 0; j < AVM_MAXVERSION; j++)
 425                 cinfo->version[j] = "\0\0" + 1;
 426         for (i = 0, j = 0;
 427              j < AVM_MAXVERSION && i < cinfo->versionlen;
 428              j++, i += cinfo->versionbuf[i] + 1)
 429                 cinfo->version[j] = &cinfo->versionbuf[i + 1];
 430
 431         strlcpy(ctrl->serial, cinfo->version[VER_SERIAL], sizeof(ctrl->serial));
 432         memcpy(&ctrl->profile, cinfo->version[VER_PROFILE],sizeof(capi_profile));
 433         strlcpy(ctrl->manu, "AVM GmbH", sizeof(ctrl->manu));
 434         dversion = cinfo->version[VER_DRIVER];
 435         ctrl->version.majorversion = 2;
 436         ctrl->version.minorversion = 0;
 437         ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
 438         ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
 439         ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
 440         ctrl->version.minormanuversion |=
 441                         (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
 442
 443         profp = &ctrl->profile;
 444
 445         flag = ((u8 *)(profp->manu))[1];
 446         switch (flag) {
 447         case 0: if (cinfo->version[VER_CARDTYPE])
 448                    strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
 449                 else strcpy(cinfo->cardname, "B1");
 450                 break;
 451         case 3: strcpy(cinfo->cardname,"PCMCIA B"); break;
 452         case 4: strcpy(cinfo->cardname,"PCMCIA M1"); break;
 453         case 5: strcpy(cinfo->cardname,"PCMCIA M2"); break;
 454         case 6: strcpy(cinfo->cardname,"B1 V3.0"); break;
 455         case 7: strcpy(cinfo->cardname,"B1 PCI"); break;
 456         default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
 457         }
 458         printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
 459                                 card->name, ctrl->cnr, cinfo->cardname);
 460
 461         flag = ((u8 *)(profp->manu))[3];
 462         if (flag)
 463                 printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
 464                         card->name,
 465                         ctrl->cnr,
 466                         (flag & 0x01) ? " DSS1" : "",
 467                         (flag & 0x02) ? " CT1" : "",
 468                         (flag & 0x04) ? " VN3" : "",
 469                         (flag & 0x08) ? " NI1" : "",
 470                         (flag & 0x10) ? " AUSTEL" : "",
 471                         (flag & 0x20) ? " ESS" : "",
 472                         (flag & 0x40) ? " 1TR6" : ""
 473                         );
 474
 475         flag = ((u8 *)(profp->manu))[5];
 476         if (flag)
 477                 printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
 478                         card->name,
 479                         ctrl->cnr,
 480                         (flag & 0x01) ? " point to point" : "",
 481                         (flag & 0x02) ? " point to multipoint" : "",
 482                         (flag & 0x08) ? " leased line without D-channel" : "",
 483                         (flag & 0x04) ? " leased line with D-channel" : ""
 484                         );
 485 }
 486
 487 /* ------------------------------------------------------------- */
 488
 489 irqreturn_t b1_interrupt(int interrupt, void *devptr)
 490 {
 491         avmcard *card = devptr;
 492         avmctrl_info *cinfo = &card->ctrlinfo[0];
 493         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 494         unsigned char b1cmd;
 495         struct sk_buff *skb;
 496
 497         unsigned ApplId;
 498         unsigned MsgLen;
 499         unsigned DataB3Len;
 500         unsigned NCCI;
 501         unsigned WindowSize;
 502         unsigned long flags;
 503
 504         spin_lock_irqsave(&card->lock, flags);
 505
 506         if (!b1_rx_full(card->port)) {
 507                 spin_unlock_irqrestore(&card->lock, flags);
 508                 return IRQ_NONE;
 509         }
 510
 511         b1cmd = b1_get_byte(card->port);
 512
 513         switch (b1cmd) {
 514
 515         case RECEIVE_DATA_B3_IND:
 516
 517                 ApplId = (unsigned) b1_get_word(card->port);
 518                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 519                 DataB3Len = b1_get_slice(card->port, card->databuf);
 520                 spin_unlock_irqrestore(&card->lock, flags);
 521
 522                 if (MsgLen < 30) { /* not CAPI 64Bit */
 523                         memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
 524                         MsgLen = 30;
 525                         CAPIMSG_SETLEN(card->msgbuf, 30);
 526                 }
 527                 if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
 528                         printk(KERN_ERR "%s: incoming packet dropped\n",
 529                                         card->name);
 530                 } else {
 531                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 532                         memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
 533                         capi_ctr_handle_message(ctrl, ApplId, skb);
 534                 }
 535                 break;
 536
 537         case RECEIVE_MESSAGE:
 538
 539                 ApplId = (unsigned) b1_get_word(card->port);
 540                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 541                 if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
 542                         printk(KERN_ERR "%s: incoming packet dropped\n",
 543                                         card->name);
 544                         spin_unlock_irqrestore(&card->lock, flags);
 545                 } else {
 546                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 547                         if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
 548                                 capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
 549                                                      CAPIMSG_NCCI(skb->data),
 550                                                      CAPIMSG_MSGID(skb->data));
 551                         spin_unlock_irqrestore(&card->lock, flags);
 552                         capi_ctr_handle_message(ctrl, ApplId, skb);
 553                 }
 554                 break;
 555
 556         case RECEIVE_NEW_NCCI:
 557
 558                 ApplId = b1_get_word(card->port);
 559                 NCCI = b1_get_word(card->port);
 560                 WindowSize = b1_get_word(card->port);
 561                 capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
 562                 spin_unlock_irqrestore(&card->lock, flags);
 563                 break;
 564
 565         case RECEIVE_FREE_NCCI:
 566
 567                 ApplId = b1_get_word(card->port);
 568                 NCCI = b1_get_word(card->port);
 569                 if (NCCI != 0xffffffff)
 570                         capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
 571                 spin_unlock_irqrestore(&card->lock, flags);
 572                 break;
 573
 574         case RECEIVE_START:
 575                 /* b1_put_byte(card->port, SEND_POLLACK); */
 576                 spin_unlock_irqrestore(&card->lock, flags);
 577                 capi_ctr_resume_output(ctrl);
 578                 break;
 579
 580         case RECEIVE_STOP:
 581                 spin_unlock_irqrestore(&card->lock, flags);
 582                 capi_ctr_suspend_output(ctrl);
 583                 break;
 584
 585         case RECEIVE_INIT:
 586
 587                 cinfo->versionlen = b1_get_slice(card->port, cinfo->versionbuf);
 588                 spin_unlock_irqrestore(&card->lock, flags);
 589                 b1_parse_version(cinfo);
 590                 printk(KERN_INFO "%s: %s-card (%s) now active\n",
 591                        card->name,
 592                        cinfo->version[VER_CARDTYPE],
 593                        cinfo->version[VER_DRIVER]);
 594                 capi_ctr_ready(ctrl);
 595                 break;
 596
 597         case RECEIVE_TASK_READY:
 598                 ApplId = (unsigned) b1_get_word(card->port);
 599                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 600                 spin_unlock_irqrestore(&card->lock, flags);
 601                 card->msgbuf[MsgLen] = 0;
 602                 while (    MsgLen > 0
 603                        && (   card->msgbuf[MsgLen-1] == '\n'
 604                            || card->msgbuf[MsgLen-1] == '\r')) {
 605                         card->msgbuf[MsgLen-1] = 0;
 606                         MsgLen--;
 607                 }
 608                 printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
 609                                 card->name, ApplId, card->msgbuf);
 610                 break;
 611
 612         case RECEIVE_DEBUGMSG:
 613                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 614                 spin_unlock_irqrestore(&card->lock, flags);
 615                 card->msgbuf[MsgLen] = 0;
 616                 while (    MsgLen > 0
 617                        && (   card->msgbuf[MsgLen-1] == '\n'
 618                            || card->msgbuf[MsgLen-1] == '\r')) {
 619                         card->msgbuf[MsgLen-1] = 0;
 620                         MsgLen--;
 621                 }
 622                 printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
 623                 break;
 624
 625         case 0xff:
 626                 spin_unlock_irqrestore(&card->lock, flags);
 627                 printk(KERN_ERR "%s: card removed ?\n", card->name);
 628                 return IRQ_NONE;
 629         default:
 630                 spin_unlock_irqrestore(&card->lock, flags);
 631                 printk(KERN_ERR "%s: b1_interrupt: 0x%x ???\n",
 632                                 card->name, b1cmd);
 633                 return IRQ_HANDLED;
 634         }
 635         return IRQ_HANDLED;
 636 }
 637
 638 /* ------------------------------------------------------------- */
 639 static int b1ctl_proc_show(struct seq_file *m, void *v)
 640 {
 641         struct capi_ctr *ctrl = m->private;
 642         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 643         avmcard *card = cinfo->card;
 644         u8 flag;
 645         char *s;
 646
 647         seq_printf(m, "%-16s %s\n", "name", card->name);
 648         seq_printf(m, "%-16s 0x%x\n", "io", card->port);
 649         seq_printf(m, "%-16s %d\n", "irq", card->irq);
 650         switch (card->cardtype) {
 651         case avm_b1isa: s = "B1 ISA"; break;
 652         case avm_b1pci: s = "B1 PCI"; break;
 653         case avm_b1pcmcia: s = "B1 PCMCIA"; break;
 654         case avm_m1: s = "M1"; break;
 655         case avm_m2: s = "M2"; break;
 656         case avm_t1isa: s = "T1 ISA (HEMA)"; break;
 657         case avm_t1pci: s = "T1 PCI"; break;
 658         case avm_c4: s = "C4"; break;
 659         case avm_c2: s = "C2"; break;
 660         default: s = "???"; break;
 661         }
 662         seq_printf(m, "%-16s %s\n", "type", s);
 663         if (card->cardtype == avm_t1isa)
 664                 seq_printf(m, "%-16s %d\n", "cardnr", card->cardnr);
 665         if ((s = cinfo->version[VER_DRIVER]) != NULL)
 666                 seq_printf(m, "%-16s %s\n", "ver_driver", s);
 667         if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 668                 seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
 669         if ((s = cinfo->version[VER_SERIAL]) != NULL)
 670                 seq_printf(m, "%-16s %s\n", "ver_serial", s);
 671
 672         if (card->cardtype != avm_m1) {
 673                 flag = ((u8 *)(ctrl->profile.manu))[3];
 674                 if (flag)
 675                         seq_printf(m, "%-16s%s%s%s%s%s%s%s\n",
 676                         "protocol",
 677                         (flag & 0x01) ? " DSS1" : "",
 678                         (flag & 0x02) ? " CT1" : "",
 679                         (flag & 0x04) ? " VN3" : "",
 680                         (flag & 0x08) ? " NI1" : "",
 681                         (flag & 0x10) ? " AUSTEL" : "",
 682                         (flag & 0x20) ? " ESS" : "",
 683                         (flag & 0x40) ? " 1TR6" : ""
 684                         );
 685         }
 686         if (card->cardtype != avm_m1) {
 687                 flag = ((u8 *)(ctrl->profile.manu))[5];
 688                 if (flag)
 689                         seq_printf(m, "%-16s%s%s%s%s\n",
 690                         "linetype",
 691                         (flag & 0x01) ? " point to point" : "",
 692                         (flag & 0x02) ? " point to multipoint" : "",
 693                         (flag & 0x08) ? " leased line without D-channel" : "",
 694                         (flag & 0x04) ? " leased line with D-channel" : ""
 695                         );
 696         }
 697         seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
 698
 699         return 0;
 700 }
 701
 702 static int b1ctl_proc_open(struct inode *inode, struct file *file)
 703 {
 704         return single_open(file, b1ctl_proc_show, PDE(inode)->data);
 705 }
 706
 707 const struct file_operations b1ctl_proc_fops = {
 708         .owner          = THIS_MODULE,
 709         .open           = b1ctl_proc_open,
 710         .read           = seq_read,
 711         .llseek         = seq_lseek,
 712         .release        = single_release,
 713 };
 714 EXPORT_SYMBOL(b1ctl_proc_fops);
 715
 716 /* ------------------------------------------------------------- */
 717
 718 #ifdef CONFIG_PCI
 719
 720 avmcard_dmainfo *
 721 avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
 722 {
 723         avmcard_dmainfo *p;
 724         void *buf;
 725
 726         p = kzalloc(sizeof(avmcard_dmainfo), GFP_KERNEL);
 727         if (!p) {
 728                 printk(KERN_WARNING "%s: no memory.\n", name);
 729                 goto err;
 730         }
 731
 732         p->recvbuf.size = rsize;
 733         buf = pci_alloc_consistent(pdev, rsize, &p->recvbuf.dmaaddr);
 734         if (!buf) {
 735                 printk(KERN_WARNING "%s: allocation of receive dma buffer failed.\n", name);
 736                 goto err_kfree;
 737         }
 738         p->recvbuf.dmabuf = buf;
 739
 740         p->sendbuf.size = ssize;
 741         buf = pci_alloc_consistent(pdev, ssize, &p->sendbuf.dmaaddr);
 742         if (!buf) {
 743                 printk(KERN_WARNING "%s: allocation of send dma buffer failed.\n", name);
 744                 goto err_free_consistent;
 745         }
 746
 747         p->sendbuf.dmabuf = buf;
 748         skb_queue_head_init(&p->send_queue);
 749
 750         return p;
 751
 752  err_free_consistent:
 753         pci_free_consistent(p->pcidev, p->recvbuf.size,
 754                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 755  err_kfree:
 756         kfree(p);
 757  err:
 758         return NULL;
 759 }
 760
 761 void avmcard_dma_free(avmcard_dmainfo *p)
 762 {
 763         pci_free_consistent(p->pcidev, p->recvbuf.size,
 764                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 765         pci_free_consistent(p->pcidev, p->sendbuf.size,
 766                             p->sendbuf.dmabuf, p->sendbuf.dmaaddr);
 767         skb_queue_purge(&p->send_queue);
 768         kfree(p);
 769 }
 770
 771 EXPORT_SYMBOL(avmcard_dma_alloc);
 772 EXPORT_SYMBOL(avmcard_dma_free);
 773
 774 #endif
 775
 776 EXPORT_SYMBOL(b1_irq_table);
 777
 778 EXPORT_SYMBOL(b1_alloc_card);
 779 EXPORT_SYMBOL(b1_free_card);
 780 EXPORT_SYMBOL(b1_detect);
 781 EXPORT_SYMBOL(b1_getrevision);
 782 EXPORT_SYMBOL(b1_load_t4file);
 783 EXPORT_SYMBOL(b1_load_config);
 784 EXPORT_SYMBOL(b1_loaded);
 785 EXPORT_SYMBOL(b1_load_firmware);
 786 EXPORT_SYMBOL(b1_reset_ctr);
 787 EXPORT_SYMBOL(b1_register_appl);
 788 EXPORT_SYMBOL(b1_release_appl);
 789 EXPORT_SYMBOL(b1_send_message);
 790
 791 EXPORT_SYMBOL(b1_parse_version);
 792 EXPORT_SYMBOL(b1_interrupt);
 793
 794 static int __init b1_init(void)
 795 {
 796         char *p;
 797         char rev[32];
 798
 799         if ((p = strchr(revision, ':')) != NULL && p[1]) {
 800                 strlcpy(rev, p + 2, 32);
 801                 if ((p = strchr(rev, '$')) != NULL && p > rev)
 802                    *(p-1) = 0;
 803         } else
 804                 strcpy(rev, "1.0");
 805
 806         printk(KERN_INFO "b1: revision %s\n", rev);
 807
 808         return 0;
 809 }
 810
 811 static void __exit b1_exit(void)
 812 {
 813 }
 814
 815 module_init(b1_init);
 816 module_exit(b1_exit);