linux/drivers/isdn/hardware/avm/b1.c
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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 <linux/slab.h>
  25#include <asm/io.h>
  26#include <linux/init.h>
  27#include <asm/uaccess.h>
  28#include <linux/netdevice.h>
  29#include <linux/isdn/capilli.h>
  30#include "avmcard.h"
  31#include <linux/isdn/capicmd.h>
  32#include <linux/isdn/capiutil.h>
  33
  34static char *revision = "$Revision: 1.1.2.2 $";
  35
  36/* ------------------------------------------------------------- */
  37
  38MODULE_DESCRIPTION("CAPI4Linux: Common support for active AVM cards");
  39MODULE_AUTHOR("Carsten Paeth");
  40MODULE_LICENSE("GPL");
  41
  42/* ------------------------------------------------------------- */
  43
  44int b1_irq_table[16] =
  45{0,
  46 0,
  47 0,
  48 192,                           /* irq 3 */
  49 32,                            /* irq 4 */
  50 160,                           /* irq 5 */
  51 96,                            /* irq 6 */
  52 224,                           /* irq 7 */
  53 0,
  54 64,                            /* irq 9 */
  55 80,                            /* irq 10 */
  56 208,                           /* irq 11 */
  57 48,                            /* irq 12 */
  58 0,
  59 0,
  60 112,                           /* irq 15 */
  61};
  62
  63/* ------------------------------------------------------------- */     
  64
  65avmcard *b1_alloc_card(int nr_controllers)
  66{
  67        avmcard *card;
  68        avmctrl_info *cinfo;
  69        int i;
  70
  71        card = kzalloc(sizeof(*card), GFP_KERNEL);
  72        if (!card)
  73                return NULL;
  74
  75        cinfo = kzalloc(sizeof(*cinfo) * nr_controllers, GFP_KERNEL);
  76        if (!cinfo) {
  77                kfree(card);
  78                return NULL;
  79        }
  80
  81        card->ctrlinfo = cinfo;
  82        for (i = 0; i < nr_controllers; i++) {
  83                INIT_LIST_HEAD(&cinfo[i].ncci_head);
  84                cinfo[i].card = card;
  85        }
  86        spin_lock_init(&card->lock);
  87        card->nr_controllers = nr_controllers;
  88
  89        return card;
  90}
  91
  92/* ------------------------------------------------------------- */
  93
  94void b1_free_card(avmcard *card)
  95{
  96        kfree(card->ctrlinfo);
  97        kfree(card);
  98}
  99
 100/* ------------------------------------------------------------- */
 101
 102int b1_detect(unsigned int base, enum avmcardtype cardtype)
 103{
 104        int onoff, i;
 105
 106        /*
 107         * Statusregister 0000 00xx 
 108         */
 109        if ((inb(base + B1_INSTAT) & 0xfc)
 110            || (inb(base + B1_OUTSTAT) & 0xfc))
 111                return 1;
 112        /*
 113         * Statusregister 0000 001x 
 114         */
 115        b1outp(base, B1_INSTAT, 0x2);   /* enable irq */
 116        /* b1outp(base, B1_OUTSTAT, 0x2); */
 117        if ((inb(base + B1_INSTAT) & 0xfe) != 0x2
 118            /* || (inb(base + B1_OUTSTAT) & 0xfe) != 0x2 */)
 119                return 2;
 120        /*
 121         * Statusregister 0000 000x 
 122         */
 123        b1outp(base, B1_INSTAT, 0x0);   /* disable irq */
 124        b1outp(base, B1_OUTSTAT, 0x0);
 125        if ((inb(base + B1_INSTAT) & 0xfe)
 126            || (inb(base + B1_OUTSTAT) & 0xfe))
 127                return 3;
 128        
 129        for (onoff = !0, i= 0; i < 10 ; i++) {
 130                b1_set_test_bit(base, cardtype, onoff);
 131                if (b1_get_test_bit(base, cardtype) != onoff)
 132                   return 4;
 133                onoff = !onoff;
 134        }
 135
 136        if (cardtype == avm_m1)
 137           return 0;
 138
 139        if ((b1_rd_reg(base, B1_STAT1(cardtype)) & 0x0f) != 0x01)
 140           return 5;
 141
 142        return 0;
 143}
 144
 145void b1_getrevision(avmcard *card)
 146{
 147    card->class = inb(card->port + B1_ANALYSE);
 148    card->revision = inb(card->port + B1_REVISION);
 149}
 150
 151#define FWBUF_SIZE      256
 152int b1_load_t4file(avmcard *card, capiloaddatapart * t4file)
 153{
 154        unsigned char buf[FWBUF_SIZE];
 155        unsigned char *dp;
 156        int i, left;
 157        unsigned int base = card->port;
 158
 159        dp = t4file->data;
 160        left = t4file->len;
 161        while (left > FWBUF_SIZE) {
 162                if (t4file->user) {
 163                        if (copy_from_user(buf, dp, FWBUF_SIZE))
 164                                return -EFAULT;
 165                } else {
 166                        memcpy(buf, dp, FWBUF_SIZE);
 167                }
 168                for (i = 0; i < FWBUF_SIZE; i++)
 169                        if (b1_save_put_byte(base, buf[i]) < 0) {
 170                                printk(KERN_ERR "%s: corrupted firmware file ?\n",
 171                                                card->name);
 172                                return -EIO;
 173                        }
 174                left -= FWBUF_SIZE;
 175                dp += FWBUF_SIZE;
 176        }
 177        if (left) {
 178                if (t4file->user) {
 179                        if (copy_from_user(buf, dp, left))
 180                                return -EFAULT;
 181                } else {
 182                        memcpy(buf, dp, left);
 183                }
 184                for (i = 0; i < left; i++)
 185                        if (b1_save_put_byte(base, buf[i]) < 0) {
 186                                printk(KERN_ERR "%s: corrupted firmware file ?\n",
 187                                                card->name);
 188                                return -EIO;
 189                        }
 190        }
 191        return 0;
 192}
 193
 194int b1_load_config(avmcard *card, capiloaddatapart * config)
 195{
 196        unsigned char buf[FWBUF_SIZE];
 197        unsigned char *dp;
 198        unsigned int base = card->port;
 199        int i, j, left;
 200
 201        dp = config->data;
 202        left = config->len;
 203        if (left) {
 204                b1_put_byte(base, SEND_CONFIG);
 205                b1_put_word(base, 1);
 206                b1_put_byte(base, SEND_CONFIG);
 207                b1_put_word(base, left);
 208        }
 209        while (left > FWBUF_SIZE) {
 210                if (config->user) {
 211                        if (copy_from_user(buf, dp, FWBUF_SIZE))
 212                                return -EFAULT;
 213                } else {
 214                        memcpy(buf, dp, FWBUF_SIZE);
 215                }
 216                for (i = 0; i < FWBUF_SIZE; ) {
 217                        b1_put_byte(base, SEND_CONFIG);
 218                        for (j=0; j < 4; j++) {
 219                                b1_put_byte(base, buf[i++]);
 220                        }
 221                }
 222                left -= FWBUF_SIZE;
 223                dp += FWBUF_SIZE;
 224        }
 225        if (left) {
 226                if (config->user) {
 227                        if (copy_from_user(buf, dp, left))
 228                                return -EFAULT;
 229                } else {
 230                        memcpy(buf, dp, left);
 231                }
 232                for (i = 0; i < left; ) {
 233                        b1_put_byte(base, SEND_CONFIG);
 234                        for (j=0; j < 4; j++) {
 235                                if (i < left)
 236                                        b1_put_byte(base, buf[i++]);
 237                                else
 238                                        b1_put_byte(base, 0);
 239                        }
 240                }
 241        }
 242        return 0;
 243}
 244
 245int b1_loaded(avmcard *card)
 246{
 247        unsigned int base = card->port;
 248        unsigned long stop;
 249        unsigned char ans;
 250        unsigned long tout = 2;
 251
 252        for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 253                if (b1_tx_empty(base))
 254                        break;
 255        }
 256        if (!b1_tx_empty(base)) {
 257                printk(KERN_ERR "%s: b1_loaded: tx err, corrupted t4 file ?\n",
 258                                card->name);
 259                return 0;
 260        }
 261        b1_put_byte(base, SEND_POLL);
 262        for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
 263                if (b1_rx_full(base)) {
 264                        if ((ans = b1_get_byte(base)) == RECEIVE_POLL) {
 265                                return 1;
 266                        }
 267                        printk(KERN_ERR "%s: b1_loaded: got 0x%x, firmware not running\n",
 268                                        card->name, ans);
 269                        return 0;
 270                }
 271        }
 272        printk(KERN_ERR "%s: b1_loaded: firmware not running\n", card->name);
 273        return 0;
 274}
 275
 276/* ------------------------------------------------------------- */
 277
 278int b1_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
 279{
 280        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 281        avmcard *card = cinfo->card;
 282        unsigned int port = card->port;
 283        unsigned long flags;
 284        int retval;
 285
 286        b1_reset(port);
 287
 288        if ((retval = b1_load_t4file(card, &data->firmware))) {
 289                b1_reset(port);
 290                printk(KERN_ERR "%s: failed to load t4file!!\n",
 291                                        card->name);
 292                return retval;
 293        }
 294
 295        b1_disable_irq(port);
 296
 297        if (data->configuration.len > 0 && data->configuration.data) {
 298                if ((retval = b1_load_config(card, &data->configuration))) {
 299                        b1_reset(port);
 300                        printk(KERN_ERR "%s: failed to load config!!\n",
 301                                        card->name);
 302                        return retval;
 303                }
 304        }
 305
 306        if (!b1_loaded(card)) {
 307                printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
 308                return -EIO;
 309        }
 310
 311        spin_lock_irqsave(&card->lock, flags);
 312        b1_setinterrupt(port, card->irq, card->cardtype);
 313        b1_put_byte(port, SEND_INIT);
 314        b1_put_word(port, CAPI_MAXAPPL);
 315        b1_put_word(port, AVM_NCCI_PER_CHANNEL*2);
 316        b1_put_word(port, ctrl->cnr - 1);
 317        spin_unlock_irqrestore(&card->lock, flags);
 318
 319        return 0;
 320}
 321
 322void b1_reset_ctr(struct capi_ctr *ctrl)
 323{
 324        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 325        avmcard *card = cinfo->card;
 326        unsigned int port = card->port;
 327        unsigned long flags;
 328
 329        b1_reset(port);
 330        b1_reset(port);
 331
 332        memset(cinfo->version, 0, sizeof(cinfo->version));
 333        spin_lock_irqsave(&card->lock, flags);
 334        capilib_release(&cinfo->ncci_head);
 335        spin_unlock_irqrestore(&card->lock, flags);
 336        capi_ctr_down(ctrl);
 337}
 338
 339void b1_register_appl(struct capi_ctr *ctrl,
 340                                u16 appl,
 341                                capi_register_params *rp)
 342{
 343        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 344        avmcard *card = cinfo->card;
 345        unsigned int port = card->port;
 346        unsigned long flags;
 347        int nconn, want = rp->level3cnt;
 348
 349        if (want > 0) nconn = want;
 350        else nconn = ctrl->profile.nbchannel * -want;
 351        if (nconn == 0) nconn = ctrl->profile.nbchannel;
 352
 353        spin_lock_irqsave(&card->lock, flags);
 354        b1_put_byte(port, SEND_REGISTER);
 355        b1_put_word(port, appl);
 356        b1_put_word(port, 1024 * (nconn+1));
 357        b1_put_word(port, nconn);
 358        b1_put_word(port, rp->datablkcnt);
 359        b1_put_word(port, rp->datablklen);
 360        spin_unlock_irqrestore(&card->lock, flags);
 361}
 362
 363void b1_release_appl(struct capi_ctr *ctrl, u16 appl)
 364{
 365        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 366        avmcard *card = cinfo->card;
 367        unsigned int port = card->port;
 368        unsigned long flags;
 369
 370        spin_lock_irqsave(&card->lock, flags);
 371        capilib_release_appl(&cinfo->ncci_head, appl);
 372        b1_put_byte(port, SEND_RELEASE);
 373        b1_put_word(port, appl);
 374        spin_unlock_irqrestore(&card->lock, flags);
 375}
 376
 377u16 b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
 378{
 379        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 380        avmcard *card = cinfo->card;
 381        unsigned int port = card->port;
 382        unsigned long flags;
 383        u16 len = CAPIMSG_LEN(skb->data);
 384        u8 cmd = CAPIMSG_COMMAND(skb->data);
 385        u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
 386        u16 dlen, retval;
 387
 388        spin_lock_irqsave(&card->lock, flags);
 389        if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
 390                retval = capilib_data_b3_req(&cinfo->ncci_head,
 391                                             CAPIMSG_APPID(skb->data),
 392                                             CAPIMSG_NCCI(skb->data),
 393                                             CAPIMSG_MSGID(skb->data));
 394                if (retval != CAPI_NOERROR) {
 395                        spin_unlock_irqrestore(&card->lock, flags);
 396                        return retval;
 397                }
 398
 399                dlen = CAPIMSG_DATALEN(skb->data);
 400
 401                b1_put_byte(port, SEND_DATA_B3_REQ);
 402                b1_put_slice(port, skb->data, len);
 403                b1_put_slice(port, skb->data + len, dlen);
 404        } else {
 405                b1_put_byte(port, SEND_MESSAGE);
 406                b1_put_slice(port, skb->data, len);
 407        }
 408        spin_unlock_irqrestore(&card->lock, flags);
 409
 410        dev_kfree_skb_any(skb);
 411        return CAPI_NOERROR;
 412}
 413
 414/* ------------------------------------------------------------- */
 415
 416void b1_parse_version(avmctrl_info *cinfo)
 417{
 418        struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 419        avmcard *card = cinfo->card;
 420        capi_profile *profp;
 421        u8 *dversion;
 422        u8 flag;
 423        int i, j;
 424
 425        for (j = 0; j < AVM_MAXVERSION; j++)
 426                cinfo->version[j] = "\0\0" + 1;
 427        for (i = 0, j = 0;
 428             j < AVM_MAXVERSION && i < cinfo->versionlen;
 429             j++, i += cinfo->versionbuf[i] + 1)
 430                cinfo->version[j] = &cinfo->versionbuf[i + 1];
 431
 432        strlcpy(ctrl->serial, cinfo->version[VER_SERIAL], sizeof(ctrl->serial));
 433        memcpy(&ctrl->profile, cinfo->version[VER_PROFILE],sizeof(capi_profile));
 434        strlcpy(ctrl->manu, "AVM GmbH", sizeof(ctrl->manu));
 435        dversion = cinfo->version[VER_DRIVER];
 436        ctrl->version.majorversion = 2;
 437        ctrl->version.minorversion = 0;
 438        ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
 439        ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
 440        ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
 441        ctrl->version.minormanuversion |=
 442                        (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
 443
 444        profp = &ctrl->profile;
 445
 446        flag = ((u8 *)(profp->manu))[1];
 447        switch (flag) {
 448        case 0: if (cinfo->version[VER_CARDTYPE])
 449                   strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
 450                else strcpy(cinfo->cardname, "B1");
 451                break;
 452        case 3: strcpy(cinfo->cardname,"PCMCIA B"); break;
 453        case 4: strcpy(cinfo->cardname,"PCMCIA M1"); break;
 454        case 5: strcpy(cinfo->cardname,"PCMCIA M2"); break;
 455        case 6: strcpy(cinfo->cardname,"B1 V3.0"); break;
 456        case 7: strcpy(cinfo->cardname,"B1 PCI"); break;
 457        default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
 458        }
 459        printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
 460                                card->name, ctrl->cnr, cinfo->cardname);
 461
 462        flag = ((u8 *)(profp->manu))[3];
 463        if (flag)
 464                printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
 465                        card->name,
 466                        ctrl->cnr,
 467                        (flag & 0x01) ? " DSS1" : "",
 468                        (flag & 0x02) ? " CT1" : "",
 469                        (flag & 0x04) ? " VN3" : "",
 470                        (flag & 0x08) ? " NI1" : "",
 471                        (flag & 0x10) ? " AUSTEL" : "",
 472                        (flag & 0x20) ? " ESS" : "",
 473                        (flag & 0x40) ? " 1TR6" : ""
 474                        );
 475
 476        flag = ((u8 *)(profp->manu))[5];
 477        if (flag)
 478                printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
 479                        card->name,
 480                        ctrl->cnr,
 481                        (flag & 0x01) ? " point to point" : "",
 482                        (flag & 0x02) ? " point to multipoint" : "",
 483                        (flag & 0x08) ? " leased line without D-channel" : "",
 484                        (flag & 0x04) ? " leased line with D-channel" : ""
 485                        );
 486}
 487
 488/* ------------------------------------------------------------- */
 489
 490irqreturn_t b1_interrupt(int interrupt, void *devptr)
 491{
 492        avmcard *card = devptr;
 493        avmctrl_info *cinfo = &card->ctrlinfo[0];
 494        struct capi_ctr *ctrl = &cinfo->capi_ctrl;
 495        unsigned char b1cmd;
 496        struct sk_buff *skb;
 497
 498        unsigned ApplId;
 499        unsigned MsgLen;
 500        unsigned DataB3Len;
 501        unsigned NCCI;
 502        unsigned WindowSize;
 503        unsigned long flags;
 504
 505        spin_lock_irqsave(&card->lock, flags);
 506
 507        if (!b1_rx_full(card->port)) {
 508                spin_unlock_irqrestore(&card->lock, flags);
 509                return IRQ_NONE;
 510        }
 511
 512        b1cmd = b1_get_byte(card->port);
 513
 514        switch (b1cmd) {
 515
 516        case RECEIVE_DATA_B3_IND:
 517
 518                ApplId = (unsigned) b1_get_word(card->port);
 519                MsgLen = b1_get_slice(card->port, card->msgbuf);
 520                DataB3Len = b1_get_slice(card->port, card->databuf);
 521                spin_unlock_irqrestore(&card->lock, flags);
 522
 523                if (MsgLen < 30) { /* not CAPI 64Bit */
 524                        memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
 525                        MsgLen = 30;
 526                        CAPIMSG_SETLEN(card->msgbuf, 30);
 527                }
 528                if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
 529                        printk(KERN_ERR "%s: incoming packet dropped\n",
 530                                        card->name);
 531                } else {
 532                        memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 533                        memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
 534                        capi_ctr_handle_message(ctrl, ApplId, skb);
 535                }
 536                break;
 537
 538        case RECEIVE_MESSAGE:
 539
 540                ApplId = (unsigned) b1_get_word(card->port);
 541                MsgLen = b1_get_slice(card->port, card->msgbuf);
 542                if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
 543                        printk(KERN_ERR "%s: incoming packet dropped\n",
 544                                        card->name);
 545                        spin_unlock_irqrestore(&card->lock, flags);
 546                } else {
 547                        memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
 548                        if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
 549                                capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
 550                                                     CAPIMSG_NCCI(skb->data),
 551                                                     CAPIMSG_MSGID(skb->data));
 552                        spin_unlock_irqrestore(&card->lock, flags);
 553                        capi_ctr_handle_message(ctrl, ApplId, skb);
 554                }
 555                break;
 556
 557        case RECEIVE_NEW_NCCI:
 558
 559                ApplId = b1_get_word(card->port);
 560                NCCI = b1_get_word(card->port);
 561                WindowSize = b1_get_word(card->port);
 562                capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
 563                spin_unlock_irqrestore(&card->lock, flags);
 564                break;
 565
 566        case RECEIVE_FREE_NCCI:
 567
 568                ApplId = b1_get_word(card->port);
 569                NCCI = b1_get_word(card->port);
 570                if (NCCI != 0xffffffff)
 571                        capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
 572                spin_unlock_irqrestore(&card->lock, flags);
 573                break;
 574
 575        case RECEIVE_START:
 576                /* b1_put_byte(card->port, SEND_POLLACK); */
 577                spin_unlock_irqrestore(&card->lock, flags);
 578                capi_ctr_resume_output(ctrl);
 579                break;
 580
 581        case RECEIVE_STOP:
 582                spin_unlock_irqrestore(&card->lock, flags);
 583                capi_ctr_suspend_output(ctrl);
 584                break;
 585
 586        case RECEIVE_INIT:
 587
 588                cinfo->versionlen = b1_get_slice(card->port, cinfo->versionbuf);
 589                spin_unlock_irqrestore(&card->lock, flags);
 590                b1_parse_version(cinfo);
 591                printk(KERN_INFO "%s: %s-card (%s) now active\n",
 592                       card->name,
 593                       cinfo->version[VER_CARDTYPE],
 594                       cinfo->version[VER_DRIVER]);
 595                capi_ctr_ready(ctrl);
 596                break;
 597
 598        case RECEIVE_TASK_READY:
 599                ApplId = (unsigned) b1_get_word(card->port);
 600                MsgLen = b1_get_slice(card->port, card->msgbuf);
 601                spin_unlock_irqrestore(&card->lock, flags);
 602                card->msgbuf[MsgLen] = 0;
 603                while (    MsgLen > 0
 604                       && (   card->msgbuf[MsgLen-1] == '\n'
 605                           || card->msgbuf[MsgLen-1] == '\r')) {
 606                        card->msgbuf[MsgLen-1] = 0;
 607                        MsgLen--;
 608                }
 609                printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
 610                                card->name, ApplId, card->msgbuf);
 611                break;
 612
 613        case RECEIVE_DEBUGMSG:
 614                MsgLen = b1_get_slice(card->port, card->msgbuf);
 615                spin_unlock_irqrestore(&card->lock, flags);
 616                card->msgbuf[MsgLen] = 0;
 617                while (    MsgLen > 0
 618                       && (   card->msgbuf[MsgLen-1] == '\n'
 619                           || card->msgbuf[MsgLen-1] == '\r')) {
 620                        card->msgbuf[MsgLen-1] = 0;
 621                        MsgLen--;
 622                }
 623                printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
 624                break;
 625
 626        case 0xff:
 627                spin_unlock_irqrestore(&card->lock, flags);
 628                printk(KERN_ERR "%s: card removed ?\n", card->name);
 629                return IRQ_NONE;
 630        default:
 631                spin_unlock_irqrestore(&card->lock, flags);
 632                printk(KERN_ERR "%s: b1_interrupt: 0x%x ???\n",
 633                                card->name, b1cmd);
 634                return IRQ_HANDLED;
 635        }
 636        return IRQ_HANDLED;
 637}
 638
 639/* ------------------------------------------------------------- */
 640static int b1ctl_proc_show(struct seq_file *m, void *v)
 641{
 642        struct capi_ctr *ctrl = m->private;
 643        avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
 644        avmcard *card = cinfo->card;
 645        u8 flag;
 646        char *s;
 647
 648        seq_printf(m, "%-16s %s\n", "name", card->name);
 649        seq_printf(m, "%-16s 0x%x\n", "io", card->port);
 650        seq_printf(m, "%-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        seq_printf(m, "%-16s %s\n", "type", s);
 664        if (card->cardtype == avm_t1isa)
 665                seq_printf(m, "%-16s %d\n", "cardnr", card->cardnr);
 666        if ((s = cinfo->version[VER_DRIVER]) != NULL)
 667                seq_printf(m, "%-16s %s\n", "ver_driver", s);
 668        if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 669                seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
 670        if ((s = cinfo->version[VER_SERIAL]) != NULL)
 671                seq_printf(m, "%-16s %s\n", "ver_serial", s);
 672
 673        if (card->cardtype != avm_m1) {
 674                flag = ((u8 *)(ctrl->profile.manu))[3];
 675                if (flag)
 676                        seq_printf(m, "%-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                        seq_printf(m, "%-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        seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
 699
 700        return 0;
 701}
 702
 703static int b1ctl_proc_open(struct inode *inode, struct file *file)
 704{
 705        return single_open(file, b1ctl_proc_show, PDE(inode)->data);
 706}
 707
 708const struct file_operations b1ctl_proc_fops = {
 709        .owner          = THIS_MODULE,
 710        .open           = b1ctl_proc_open,
 711        .read           = seq_read,
 712        .llseek         = seq_lseek,
 713        .release        = single_release,
 714};
 715EXPORT_SYMBOL(b1ctl_proc_fops);
 716
 717/* ------------------------------------------------------------- */
 718
 719#ifdef CONFIG_PCI
 720
 721avmcard_dmainfo *
 722avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
 723{
 724        avmcard_dmainfo *p;
 725        void *buf;
 726
 727        p = kzalloc(sizeof(avmcard_dmainfo), GFP_KERNEL);
 728        if (!p) {
 729                printk(KERN_WARNING "%s: no memory.\n", name);
 730                goto err;
 731        }
 732
 733        p->recvbuf.size = rsize;
 734        buf = pci_alloc_consistent(pdev, rsize, &p->recvbuf.dmaaddr);
 735        if (!buf) {
 736                printk(KERN_WARNING "%s: allocation of receive dma buffer failed.\n", name);
 737                goto err_kfree;
 738        }
 739        p->recvbuf.dmabuf = buf;
 740
 741        p->sendbuf.size = ssize;
 742        buf = pci_alloc_consistent(pdev, ssize, &p->sendbuf.dmaaddr);
 743        if (!buf) {
 744                printk(KERN_WARNING "%s: allocation of send dma buffer failed.\n", name);
 745                goto err_free_consistent;
 746        }
 747
 748        p->sendbuf.dmabuf = buf;
 749        skb_queue_head_init(&p->send_queue);
 750
 751        return p;
 752
 753 err_free_consistent:
 754        pci_free_consistent(p->pcidev, p->recvbuf.size,
 755                            p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 756 err_kfree:
 757        kfree(p);
 758 err:
 759        return NULL;
 760}
 761
 762void avmcard_dma_free(avmcard_dmainfo *p)
 763{
 764        pci_free_consistent(p->pcidev, p->recvbuf.size,
 765                            p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
 766        pci_free_consistent(p->pcidev, p->sendbuf.size,
 767                            p->sendbuf.dmabuf, p->sendbuf.dmaaddr);
 768        skb_queue_purge(&p->send_queue);
 769        kfree(p);
 770}
 771
 772EXPORT_SYMBOL(avmcard_dma_alloc);
 773EXPORT_SYMBOL(avmcard_dma_free);
 774
 775#endif
 776
 777EXPORT_SYMBOL(b1_irq_table);
 778
 779EXPORT_SYMBOL(b1_alloc_card);
 780EXPORT_SYMBOL(b1_free_card);
 781EXPORT_SYMBOL(b1_detect);
 782EXPORT_SYMBOL(b1_getrevision);
 783EXPORT_SYMBOL(b1_load_t4file);
 784EXPORT_SYMBOL(b1_load_config);
 785EXPORT_SYMBOL(b1_loaded);
 786EXPORT_SYMBOL(b1_load_firmware);
 787EXPORT_SYMBOL(b1_reset_ctr);
 788EXPORT_SYMBOL(b1_register_appl);
 789EXPORT_SYMBOL(b1_release_appl);
 790EXPORT_SYMBOL(b1_send_message);
 791
 792EXPORT_SYMBOL(b1_parse_version);
 793EXPORT_SYMBOL(b1_interrupt);
 794
 795static int __init b1_init(void)
 796{
 797        char *p;
 798        char rev[32];
 799
 800        if ((p = strchr(revision, ':')) != NULL && p[1]) {
 801                strlcpy(rev, p + 2, 32);
 802                if ((p = strchr(rev, '$')) != NULL && p > rev)
 803                   *(p-1) = 0;
 804        } else
 805                strcpy(rev, "1.0");
 806
 807        printk(KERN_INFO "b1: revision %s\n", rev);
 808
 809        return 0;
 810}
 811
 812static void __exit b1_exit(void)
 813{
 814}
 815
 816module_init(b1_init);
 817module_exit(b1_exit);
 818