drivers/isdn/hardware/avm/b1.c

   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
 325         b1_reset(port);
 326         b1_reset(port);
 327
 328         memset(cinfo->version, 0, sizeof(cinfo->version));
 329         capilib_release(&cinfo->ncci_head);
 330         capi_ctr_reseted(ctrl);
 331 }
 332
 333 void b1_register_appl(struct capi_ctr *ctrl,
 334                                 u16 appl,
 335                                 capi_register_params *rp)
 336 {
 337         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 338         avmcard *card = cinfo->card;
 339         unsigned int port = card->port;
 340         unsigned long flags;
 341         int nconn, want = rp->level3cnt;
 342
 343         if (want > 0) nconn = want;
 344         else nconn = ctrl->profile.nbchannel * -want;
 345         if (nconn == 0) nconn = ctrl->profile.nbchannel;
 346
 347         spin_lock_irqsave(&card->lock, flags);
 348         b1_put_byte(port, SEND_REGISTER);
 349         b1_put_word(port, appl);
 350         b1_put_word(port, 1024 * (nconn+1));
 351         b1_put_word(port, nconn);
 352         b1_put_word(port, rp->datablkcnt);
 353         b1_put_word(port, rp->datablklen);
 354         spin_unlock_irqrestore(&card->lock, flags);
 355 }
 356
 357 void b1_release_appl(struct capi_ctr *ctrl, u16 appl)
 358 {
 359         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 360         avmcard *card = cinfo->card;
 361         unsigned int port = card->port;
 362         unsigned long flags;
 363
 364         capilib_release_appl(&cinfo->ncci_head, appl);
 365
 366         spin_lock_irqsave(&card->lock, flags);
 367         b1_put_byte(port, SEND_RELEASE);
 368         b1_put_word(port, appl);
 369         spin_unlock_irqrestore(&card->lock, flags);
 370 }
 371
 372 u16 b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
 373 {
 374         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 375         avmcard *card = cinfo->card;
 376         unsigned int port = card->port;
 377         unsigned long flags;
 378         u16 len = CAPIMSG_LEN(skb->data);
 379         u8 cmd = CAPIMSG_COMMAND(skb->data);
 380         u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
 381         u16 dlen, retval;
 382
 383         if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
 384                 retval = capilib_data_b3_req(&cinfo->ncci_head,
 385                                              CAPIMSG_APPID(skb->data),
 386                                              CAPIMSG_NCCI(skb->data),
 387                                              CAPIMSG_MSGID(skb->data));
 388                 if (retval != CAPI_NOERROR)
 389                         return retval;
 390
 391                 dlen = CAPIMSG_DATALEN(skb->data);
 392
 393                 spin_lock_irqsave(&card->lock, flags);
 394                 b1_put_byte(port, SEND_DATA_B3_REQ);
 395                 b1_put_slice(port, skb->data, len);
 396                 b1_put_slice(port, skb->data + len, dlen);
 397                 spin_unlock_irqrestore(&card->lock, flags);
 398         } else {
 399                 spin_lock_irqsave(&card->lock, flags);
 400                 b1_put_byte(port, SEND_MESSAGE);
 401                 b1_put_slice(port, skb->data, len);
 402                 spin_unlock_irqrestore(&card->lock, flags);
 403         }
 404
 405         dev_kfree_skb_any(skb);
 406         return CAPI_NOERROR;
 407 }
 408
 409 /* ------------------------------------------------------------- */
 410
 411 void b1_parse_version(avmctrl_info *cinfo)
 412 {
 413         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 414         avmcard *card = cinfo->card;
 415         capi_profile *profp;
 416         u8 *dversion;
 417         u8 flag;
 418         int i, j;
 419
 420         for (j = 0; j < AVM_MAXVERSION; j++)
 421                 cinfo->version[j] = "\0\0" + 1;
 422         for (i = 0, j = 0;
 423              j < AVM_MAXVERSION && i < cinfo->versionlen;
 424              j++, i += cinfo->versionbuf[i] + 1)
 425                 cinfo->version[j] = &cinfo->versionbuf[i + 1];
 426
 427         strlcpy(ctrl->serial, cinfo->version[VER_SERIAL], sizeof(ctrl->serial));
 428         memcpy(&ctrl->profile, cinfo->version[VER_PROFILE],sizeof(capi_profile));
 429         strlcpy(ctrl->manu, "AVM GmbH", sizeof(ctrl->manu));
 430         dversion = cinfo->version[VER_DRIVER];
 431         ctrl->version.majorversion = 2;
 432         ctrl->version.minorversion = 0;
 433         ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
 434         ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
 435         ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
 436         ctrl->version.minormanuversion |=
 437                         (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
 438
 439         profp = &ctrl->profile;
 440
 441         flag = ((u8 *)(profp->manu))[1];
 442         switch (flag) {
 443         case 0: if (cinfo->version[VER_CARDTYPE])
 444                    strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
 445                 else strcpy(cinfo->cardname, "B1");
 446                 break;
 447         case 3: strcpy(cinfo->cardname,"PCMCIA B"); break;
 448         case 4: strcpy(cinfo->cardname,"PCMCIA M1"); break;
 449         case 5: strcpy(cinfo->cardname,"PCMCIA M2"); break;
 450         case 6: strcpy(cinfo->cardname,"B1 V3.0"); break;
 451         case 7: strcpy(cinfo->cardname,"B1 PCI"); break;
 452         default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
 453         }
 454         printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
 455                                 card->name, ctrl->cnr, cinfo->cardname);
 456
 457         flag = ((u8 *)(profp->manu))[3];
 458         if (flag)
 459                 printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
 460                         card->name,
 461                         ctrl->cnr,
 462                         (flag & 0x01) ? " DSS1" : "",
 463                         (flag & 0x02) ? " CT1" : "",
 464                         (flag & 0x04) ? " VN3" : "",
 465                         (flag & 0x08) ? " NI1" : "",
 466                         (flag & 0x10) ? " AUSTEL" : "",
 467                         (flag & 0x20) ? " ESS" : "",
 468                         (flag & 0x40) ? " 1TR6" : ""
 469                         );
 470
 471         flag = ((u8 *)(profp->manu))[5];
 472         if (flag)
 473                 printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
 474                         card->name,
 475                         ctrl->cnr,
 476                         (flag & 0x01) ? " point to point" : "",
 477                         (flag & 0x02) ? " point to multipoint" : "",
 478                         (flag & 0x08) ? " leased line without D-channel" : "",
 479                         (flag & 0x04) ? " leased line with D-channel" : ""
 480                         );
 481 }
 482
 483 /* ------------------------------------------------------------- */
 484
 485 irqreturn_t b1_interrupt(int interrupt, void *devptr)
 486 {
 487         avmcard *card = devptr;
 488         avmctrl_info *cinfo = &card->ctrlinfo[0];
 489         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 490         unsigned char b1cmd;
 491         struct sk_buff *skb;
 492
 493         unsigned ApplId;
 494         unsigned MsgLen;
 495         unsigned DataB3Len;
 496         unsigned NCCI;
 497         unsigned WindowSize;
 498         unsigned long flags;
 499
 500         spin_lock_irqsave(&card->lock, flags);
 501
 502         if (!b1_rx_full(card->port)) {
 503                 spin_unlock_irqrestore(&card->lock, flags);
 504                 return IRQ_NONE;
 505         }
 506
 507         b1cmd = b1_get_byte(card->port);
 508
 509         switch (b1cmd) {
 510
 511         case RECEIVE_DATA_B3_IND:
 512
 513                 ApplId = (unsigned) b1_get_word(card->port);
 514                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 515                 DataB3Len = b1_get_slice(card->port, card->databuf);
 516                 spin_unlock_irqrestore(&card->lock, flags);
 517
 518                 if (MsgLen < 30) { /* not CAPI 64Bit */
 519                         memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
 520                         MsgLen = 30;
 521                         CAPIMSG_SETLEN(card->msgbuf, 30);
 522                 }
 523                 if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
 524                         printk(KERN_ERR "%s: incoming packet dropped\n",
 525                                         card->name);
 526                 } else {
 527                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 528                         memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
 529                         capi_ctr_handle_message(ctrl, ApplId, skb);
 530                 }
 531                 break;
 532
 533         case RECEIVE_MESSAGE:
 534
 535                 ApplId = (unsigned) b1_get_word(card->port);
 536                 MsgLen = b1_get_slice(card->port, card->msgbuf);
 537                 spin_unlock_irqrestore(&card->lock, flags);
 538                 if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
 539                         printk(KERN_ERR "%s: incoming packet dropped\n",
 540                                         card->name);
 541                 } else {
 542                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 543                         if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
 544                                 capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
 545                                                      CAPIMSG_NCCI(skb->data),
 546                                                      CAPIMSG_MSGID(skb->data));
 547
 548                         capi_ctr_handle_message(ctrl, ApplId, skb);
 549                 }
 550                 break;
 551
 552         case RECEIVE_NEW_NCCI:
 553
 554                 ApplId = b1_get_word(card->port);
 555                 NCCI = b1_get_word(card->port);
 556                 WindowSize = b1_get_word(card->port);
 557                 spin_unlock_irqrestore(&card->lock, flags);
 558
 559                 capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
 560
 561                 break;
 562
 563         case RECEIVE_FREE_NCCI:
 564
 565                 ApplId = b1_get_word(card->port);
 566                 NCCI = b1_get_word(card->port);
 567                 spin_unlock_irqrestore(&card->lock, flags);
 568
 569                 if (NCCI != 0xffffffff)
 570                         capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
 571
 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 int b1ctl_read_proc(char *page, char **start, off_t off,
 640                         int count, int *eof, struct capi_ctr *ctrl)
 641 {
 642         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 643         avmcard *card = cinfo->card;
 644         u8 flag;
 645         int len = 0;
 646         char *s;
 647
 648         len += sprintf(page+len, "%-16s %s\n", "name", card->name);
 649         len += sprintf(page+len, "%-16s 0x%x\n", "io", card->port);
 650         len += sprintf(page+len, "%-16s %d\n", "irq", card->irq);
 651         switch (card->cardtype) {
 652         case avm_b1isa: s = "B1 ISA"; break;
 653         case avm_b1pci: s = "B1 PCI"; break;
 654         case avm_b1pcmcia: s = "B1 PCMCIA"; break;
 655         case avm_m1: s = "M1"; break;
 656         case avm_m2: s = "M2"; break;
 657         case avm_t1isa: s = "T1 ISA (HEMA)"; break;
 658         case avm_t1pci: s = "T1 PCI"; break;
 659         case avm_c4: s = "C4"; break;
 660         case avm_c2: s = "C2"; break;
 661         default: s = "???"; break;
 662         }
 663         len += sprintf(page+len, "%-16s %s\n", "type", s);
 664         if (card->cardtype == avm_t1isa)
 665            len += sprintf(page+len, "%-16s %d\n", "cardnr", card->cardnr);
 666         if ((s = cinfo->version[VER_DRIVER]) != 0)
 667            len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
 668         if ((s = cinfo->version[VER_CARDTYPE]) != 0)
 669            len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
 670         if ((s = cinfo->version[VER_SERIAL]) != 0)
 671            len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
 672
 673         if (card->cardtype != avm_m1) {
 674                 flag = ((u8 *)(ctrl->profile.manu))[3];
 675                 if (flag)
 676                         len += sprintf(page+len, "%-16s%s%s%s%s%s%s%s\n",
 677                         "protocol",
 678                         (flag & 0x01) ? " DSS1" : "",
 679                         (flag & 0x02) ? " CT1" : "",
 680                         (flag & 0x04) ? " VN3" : "",
 681                         (flag & 0x08) ? " NI1" : "",
 682                         (flag & 0x10) ? " AUSTEL" : "",
 683                         (flag & 0x20) ? " ESS" : "",
 684                         (flag & 0x40) ? " 1TR6" : ""
 685                         );
 686         }
 687         if (card->cardtype != avm_m1) {
 688                 flag = ((u8 *)(ctrl->profile.manu))[5];
 689                 if (flag)
 690                         len += sprintf(page+len, "%-16s%s%s%s%s\n",
 691                         "linetype",
 692                         (flag & 0x01) ? " point to point" : "",
 693                         (flag & 0x02) ? " point to multipoint" : "",
 694                         (flag & 0x08) ? " leased line without D-channel" : "",
 695                         (flag & 0x04) ? " leased line with D-channel" : ""
 696                         );
 697         }
 698         len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname);
 699
 700         if (off+count >= len)
 701            *eof = 1;
 702         if (len < off)
 703            return 0;
 704         *start = page + off;
 705         return ((count < len-off) ? count : len-off);
 706 }
 707
 708 /* ------------------------------------------------------------- */
 709
 710 #ifdef CONFIG_PCI
 711
 712 avmcard_dmainfo *
 713 avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
 714 {
 715         avmcard_dmainfo *p;
 716         void *buf;
 717
 718         p = kzalloc(sizeof(avmcard_dmainfo), GFP_KERNEL);
 719         if (!p) {
 720                 printk(KERN_WARNING "%s: no memory.\n", name);
 721                 goto err;
 722         }
 723
 724         p->recvbuf.size = rsize;
 725         buf = pci_alloc_consistent(pdev, rsize, &p->recvbuf.dmaaddr);
 726         if (!buf) {
 727                 printk(KERN_WARNING "%s: allocation of receive dma buffer failed.\n", name);
 728                 goto err_kfree;
 729         }
 730         p->recvbuf.dmabuf = buf;
 731
 732         p->sendbuf.size = ssize;
 733         buf = pci_alloc_consistent(pdev, ssize, &p->sendbuf.dmaaddr);
 734         if (!buf) {
 735                 printk(KERN_WARNING "%s: allocation of send dma buffer failed.\n", name);
 736                 goto err_free_consistent;
 737         }
 738
 739         p->sendbuf.dmabuf = buf;
 740         skb_queue_head_init(&p->send_queue);
 741
 742         return p;
 743
 744  err_free_consistent:
 745         pci_free_consistent(p->pcidev, p->recvbuf.size,
 746                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 747  err_kfree:
 748         kfree(p);
 749  err:
 750         return NULL;
 751 }
 752
 753 void avmcard_dma_free(avmcard_dmainfo *p)
 754 {
 755         pci_free_consistent(p->pcidev, p->recvbuf.size,
 756                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 757         pci_free_consistent(p->pcidev, p->sendbuf.size,
 758                             p->sendbuf.dmabuf, p->sendbuf.dmaaddr);
 759         skb_queue_purge(&p->send_queue);
 760         kfree(p);
 761 }
 762
 763 EXPORT_SYMBOL(avmcard_dma_alloc);
 764 EXPORT_SYMBOL(avmcard_dma_free);
 765
 766 #endif
 767
 768 EXPORT_SYMBOL(b1_irq_table);
 769
 770 EXPORT_SYMBOL(b1_alloc_card);
 771 EXPORT_SYMBOL(b1_free_card);
 772 EXPORT_SYMBOL(b1_detect);
 773 EXPORT_SYMBOL(b1_getrevision);
 774 EXPORT_SYMBOL(b1_load_t4file);
 775 EXPORT_SYMBOL(b1_load_config);
 776 EXPORT_SYMBOL(b1_loaded);
 777 EXPORT_SYMBOL(b1_load_firmware);
 778 EXPORT_SYMBOL(b1_reset_ctr);
 779 EXPORT_SYMBOL(b1_register_appl);
 780 EXPORT_SYMBOL(b1_release_appl);
 781 EXPORT_SYMBOL(b1_send_message);
 782
 783 EXPORT_SYMBOL(b1_parse_version);
 784 EXPORT_SYMBOL(b1_interrupt);
 785
 786 EXPORT_SYMBOL(b1ctl_read_proc);
 787
 788 static int __init b1_init(void)
 789 {
 790         char *p;
 791         char rev[32];
 792
 793         if ((p = strchr(revision, ':')) != 0 && p[1]) {
 794                 strlcpy(rev, p + 2, 32);
 795                 if ((p = strchr(rev, '$')) != 0 && p > rev)
 796                    *(p-1) = 0;
 797         } else
 798                 strcpy(rev, "1.0");
 799
 800         printk(KERN_INFO "b1: revision %s\n", rev);
 801
 802         return 0;
 803 }
 804
 805 static void __exit b1_exit(void)
 806 {
 807 }
 808
 809 module_init(b1_init);
 810 module_exit(b1_exit);