git.oblomov.eu Git - linux-2.6/blob - drivers/isdn/hisax/w6692.c

   1 /* $Id: w6692.c,v 1.18.2.4 2004/02/11 13:21:34 keil Exp $
   2  *
   3  * Winbond W6692 specific routines
   4  *
   5  * Author       Petr Novak
   6  * Copyright    by Petr Novak        <petr.novak@i.cz>
   7  *
   8  * This software may be used and distributed according to the terms
   9  * of the GNU General Public License, incorporated herein by reference.
  10  *
  11  */
  12
  13 #include <linux/init.h>
  14 #include "hisax.h"
  15 #include "w6692.h"
  16 #include "isdnl1.h"
  17 #include <linux/interrupt.h>
  18 #include <linux/pci.h>
  19
  20 /* table entry in the PCI devices list */
  21 typedef struct {
  22         int vendor_id;
  23         int device_id;
  24         char *vendor_name;
  25         char *card_name;
  26 } PCI_ENTRY;
  27
  28 static const PCI_ENTRY id_list[] =
  29 {
  30         {PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692, "Winbond", "W6692"},
  31         {PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH, "Dynalink/AsusCom", "IS64PH"},
  32         {0, 0, "U.S.Robotics", "ISDN PCI Card TA"}
  33 };
  34
  35 #define W6692_SV_USR   0x16ec
  36 #define W6692_SD_USR   0x3409
  37 #define W6692_WINBOND  0
  38 #define W6692_DYNALINK 1
  39 #define W6692_USR      2
  40
  41 extern const char *CardType[];
  42
  43 static const char *w6692_revision = "$Revision: 1.18.2.4 $";
  44
  45 #define DBUSY_TIMER_VALUE 80
  46
  47 static char *W6692Ver[] =
  48 {"W6692 V00", "W6692 V01", "W6692 V10",
  49  "W6692 V11"};
  50
  51 static void
  52 W6692Version(struct IsdnCardState *cs, char *s)
  53 {
  54         int val;
  55
  56         val = cs->readW6692(cs, W_D_RBCH);
  57         printk(KERN_INFO "%s Winbond W6692 version (%x): %s\n", s, val, W6692Ver[(val >> 6) & 3]);
  58 }
  59
  60 static void
  61 ph_command(struct IsdnCardState *cs, unsigned int command)
  62 {
  63         if (cs->debug & L1_DEB_ISAC)
  64                 debugl1(cs, "ph_command %x", command);
  65         cs->writeisac(cs, W_CIX, command);
  66 }
  67
  68
  69 static void
  70 W6692_new_ph(struct IsdnCardState *cs)
  71 {
  72         switch (cs->dc.w6692.ph_state) {
  73                 case (W_L1CMD_RST):
  74                         ph_command(cs, W_L1CMD_DRC);
  75                         l1_msg(cs, HW_RESET | INDICATION, NULL);
  76                         /* fallthru */
  77                 case (W_L1IND_CD):
  78                         l1_msg(cs, HW_DEACTIVATE | CONFIRM, NULL);
  79                         break;
  80                 case (W_L1IND_DRD):
  81                         l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL);
  82                         break;
  83                 case (W_L1IND_CE):
  84                         l1_msg(cs, HW_POWERUP | CONFIRM, NULL);
  85                         break;
  86                 case (W_L1IND_LD):
  87                         l1_msg(cs, HW_RSYNC | INDICATION, NULL);
  88                         break;
  89                 case (W_L1IND_ARD):
  90                         l1_msg(cs, HW_INFO2 | INDICATION, NULL);
  91                         break;
  92                 case (W_L1IND_AI8):
  93                         l1_msg(cs, HW_INFO4_P8 | INDICATION, NULL);
  94                         break;
  95                 case (W_L1IND_AI10):
  96                         l1_msg(cs, HW_INFO4_P10 | INDICATION, NULL);
  97                         break;
  98                 default:
  99                         break;
 100         }
 101 }
 102
 103 static void
 104 W6692_bh(struct work_struct *work)
 105 {
 106         struct IsdnCardState *cs =
 107                 container_of(work, struct IsdnCardState, tqueue);
 108         struct PStack *stptr;
 109
 110         if (!cs)
 111                 return;
 112         if (test_and_clear_bit(D_CLEARBUSY, &cs->event)) {
 113                 if (cs->debug)
 114                         debugl1(cs, "D-Channel Busy cleared");
 115                 stptr = cs->stlist;
 116                 while (stptr != NULL) {
 117                         stptr->l1.l1l2(stptr, PH_PAUSE | CONFIRM, NULL);
 118                         stptr = stptr->next;
 119                 }
 120         }
 121         if (test_and_clear_bit(D_L1STATECHANGE, &cs->event))
 122                 W6692_new_ph(cs);
 123         if (test_and_clear_bit(D_RCVBUFREADY, &cs->event))
 124                 DChannel_proc_rcv(cs);
 125         if (test_and_clear_bit(D_XMTBUFREADY, &cs->event))
 126                 DChannel_proc_xmt(cs);
 127 /*
 128    if (test_and_clear_bit(D_RX_MON1, &cs->event))
 129    arcofi_fsm(cs, ARCOFI_RX_END, NULL);
 130    if (test_and_clear_bit(D_TX_MON1, &cs->event))
 131    arcofi_fsm(cs, ARCOFI_TX_END, NULL);
 132  */
 133 }
 134
 135 static void
 136 W6692_empty_fifo(struct IsdnCardState *cs, int count)
 137 {
 138         u_char *ptr;
 139
 140         if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO))
 141                 debugl1(cs, "W6692_empty_fifo");
 142
 143         if ((cs->rcvidx + count) >= MAX_DFRAME_LEN_L1) {
 144                 if (cs->debug & L1_DEB_WARN)
 145                         debugl1(cs, "W6692_empty_fifo overrun %d",
 146                                 cs->rcvidx + count);
 147                 cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK);
 148                 cs->rcvidx = 0;
 149                 return;
 150         }
 151         ptr = cs->rcvbuf + cs->rcvidx;
 152         cs->rcvidx += count;
 153         cs->readW6692fifo(cs, ptr, count);
 154         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK);
 155         if (cs->debug & L1_DEB_ISAC_FIFO) {
 156                 char *t = cs->dlog;
 157
 158                 t += sprintf(t, "W6692_empty_fifo cnt %d", count);
 159                 QuickHex(t, ptr, count);
 160                 debugl1(cs, cs->dlog);
 161         }
 162 }
 163
 164 static void
 165 W6692_fill_fifo(struct IsdnCardState *cs)
 166 {
 167         int count, more;
 168         u_char *ptr;
 169
 170         if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO))
 171                 debugl1(cs, "W6692_fill_fifo");
 172
 173         if (!cs->tx_skb)
 174                 return;
 175
 176         count = cs->tx_skb->len;
 177         if (count <= 0)
 178                 return;
 179
 180         more = 0;
 181         if (count > W_D_FIFO_THRESH) {
 182                 more = !0;
 183                 count = W_D_FIFO_THRESH;
 184         }
 185         ptr = cs->tx_skb->data;
 186         skb_pull(cs->tx_skb, count);
 187         cs->tx_cnt += count;
 188         cs->writeW6692fifo(cs, ptr, count);
 189         cs->writeW6692(cs, W_D_CMDR, more ? W_D_CMDR_XMS : (W_D_CMDR_XMS | W_D_CMDR_XME));
 190         if (test_and_set_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
 191                 debugl1(cs, "W6692_fill_fifo dbusytimer running");
 192                 del_timer(&cs->dbusytimer);
 193         }
 194         init_timer(&cs->dbusytimer);
 195         cs->dbusytimer.expires = jiffies + ((DBUSY_TIMER_VALUE * HZ) / 1000);
 196         add_timer(&cs->dbusytimer);
 197         if (cs->debug & L1_DEB_ISAC_FIFO) {
 198                 char *t = cs->dlog;
 199
 200                 t += sprintf(t, "W6692_fill_fifo cnt %d", count);
 201                 QuickHex(t, ptr, count);
 202                 debugl1(cs, cs->dlog);
 203         }
 204 }
 205
 206 static void
 207 W6692B_empty_fifo(struct BCState *bcs, int count)
 208 {
 209         u_char *ptr;
 210         struct IsdnCardState *cs = bcs->cs;
 211
 212         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
 213                 debugl1(cs, "W6692B_empty_fifo");
 214
 215         if (bcs->hw.w6692.rcvidx + count > HSCX_BUFMAX) {
 216                 if (cs->debug & L1_DEB_WARN)
 217                         debugl1(cs, "W6692B_empty_fifo: incoming packet too large");
 218                 cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
 219                 bcs->hw.w6692.rcvidx = 0;
 220                 return;
 221         }
 222         ptr = bcs->hw.w6692.rcvbuf + bcs->hw.w6692.rcvidx;
 223         bcs->hw.w6692.rcvidx += count;
 224         READW6692BFIFO(cs, bcs->channel, ptr, count);
 225         cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
 226         if (cs->debug & L1_DEB_HSCX_FIFO) {
 227                 char *t = bcs->blog;
 228
 229                 t += sprintf(t, "W6692B_empty_fifo %c cnt %d",
 230                              bcs->channel + '1', count);
 231                 QuickHex(t, ptr, count);
 232                 debugl1(cs, bcs->blog);
 233         }
 234 }
 235
 236 static void
 237 W6692B_fill_fifo(struct BCState *bcs)
 238 {
 239         struct IsdnCardState *cs = bcs->cs;
 240         int more, count;
 241         u_char *ptr;
 242
 243         if (!bcs->tx_skb)
 244                 return;
 245         if (bcs->tx_skb->len <= 0)
 246                 return;
 247
 248         more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
 249         if (bcs->tx_skb->len > W_B_FIFO_THRESH) {
 250                 more = 1;
 251                 count = W_B_FIFO_THRESH;
 252         } else
 253                 count = bcs->tx_skb->len;
 254
 255         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
 256                 debugl1(cs, "W6692B_fill_fifo%s%d", (more ? " ": " last "), count);
 257
 258         ptr = bcs->tx_skb->data;
 259         skb_pull(bcs->tx_skb, count);
 260         bcs->tx_cnt -= count;
 261         bcs->hw.w6692.count += count;
 262         WRITEW6692BFIFO(cs, bcs->channel, ptr, count);
 263         cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACT | W_B_CMDR_XMS | (more ? 0 : W_B_CMDR_XME));
 264         if (cs->debug & L1_DEB_HSCX_FIFO) {
 265                 char *t = bcs->blog;
 266
 267                 t += sprintf(t, "W6692B_fill_fifo %c cnt %d",
 268                              bcs->channel + '1', count);
 269                 QuickHex(t, ptr, count);
 270                 debugl1(cs, bcs->blog);
 271         }
 272 }
 273
 274 static void
 275 W6692B_interrupt(struct IsdnCardState *cs, u_char bchan)
 276 {
 277         u_char val;
 278         u_char r;
 279         struct BCState *bcs;
 280         struct sk_buff *skb;
 281         int count;
 282
 283         bcs = (cs->bcs->channel == bchan) ? cs->bcs : (cs->bcs+1);
 284         val = cs->BC_Read_Reg(cs, bchan, W_B_EXIR);
 285         debugl1(cs, "W6692B chan %d B_EXIR 0x%02X", bchan, val);
 286
 287         if (!test_bit(BC_FLG_INIT, &bcs->Flag)) {
 288                 debugl1(cs, "W6692B not INIT yet");
 289                 return;
 290         }
 291         if (val & W_B_EXI_RME) {        /* RME */
 292                 r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
 293                 if (r & (W_B_STAR_RDOV | W_B_STAR_CRCE | W_B_STAR_RMB)) {
 294                         if (cs->debug & L1_DEB_WARN)
 295                                 debugl1(cs, "W6692 B STAR %x", r);
 296                         if ((r & W_B_STAR_RDOV) && bcs->mode)
 297                                 if (cs->debug & L1_DEB_WARN)
 298                                         debugl1(cs, "W6692 B RDOV mode=%d",
 299                                                 bcs->mode);
 300                         if (r & W_B_STAR_CRCE)
 301                                 if (cs->debug & L1_DEB_WARN)
 302                                         debugl1(cs, "W6692 B CRC error");
 303                         cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RRST | W_B_CMDR_RACT);
 304                 } else {
 305                         count = cs->BC_Read_Reg(cs, bchan, W_B_RBCL) & (W_B_FIFO_THRESH - 1);
 306                         if (count == 0)
 307                                 count = W_B_FIFO_THRESH;
 308                         W6692B_empty_fifo(bcs, count);
 309                         if ((count = bcs->hw.w6692.rcvidx) > 0) {
 310                                 if (cs->debug & L1_DEB_HSCX_FIFO)
 311                                         debugl1(cs, "W6692 Bchan Frame %d", count);
 312                                 if (!(skb = dev_alloc_skb(count)))
 313                                         printk(KERN_WARNING "W6692: Bchan receive out of memory\n");
 314                                 else {
 315                                         memcpy(skb_put(skb, count), bcs->hw.w6692.rcvbuf, count);
 316                                         skb_queue_tail(&bcs->rqueue, skb);
 317                                 }
 318                         }
 319                 }
 320                 bcs->hw.w6692.rcvidx = 0;
 321                 schedule_event(bcs, B_RCVBUFREADY);
 322         }
 323         if (val & W_B_EXI_RMR) {        /* RMR */
 324                 W6692B_empty_fifo(bcs, W_B_FIFO_THRESH);
 325                 r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
 326                 if (r & W_B_STAR_RDOV) {
 327                         if (cs->debug & L1_DEB_WARN)
 328                                 debugl1(cs, "W6692 B RDOV(RMR) mode=%d",bcs->mode);
 329                         cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RRST | W_B_CMDR_RACT);
 330                         if (bcs->mode != L1_MODE_TRANS)
 331                                 bcs->hw.w6692.rcvidx = 0;
 332                 }
 333                 if (bcs->mode == L1_MODE_TRANS) {
 334                         /* receive audio data */
 335                         if (!(skb = dev_alloc_skb(W_B_FIFO_THRESH)))
 336                                 printk(KERN_WARNING "HiSax: receive out of memory\n");
 337                         else {
 338                                 memcpy(skb_put(skb, W_B_FIFO_THRESH), bcs->hw.w6692.rcvbuf, W_B_FIFO_THRESH);
 339                                 skb_queue_tail(&bcs->rqueue, skb);
 340                         }
 341                         bcs->hw.w6692.rcvidx = 0;
 342                         schedule_event(bcs, B_RCVBUFREADY);
 343                 }
 344         }
 345         if (val & W_B_EXI_XDUN) {       /* XDUN */
 346                 cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_XRST | W_B_CMDR_RACT);
 347                 if (cs->debug & L1_DEB_WARN)
 348                         debugl1(cs, "W6692 B EXIR %x Lost TX", val);
 349                 if (bcs->mode == 1)
 350                         W6692B_fill_fifo(bcs);
 351                 else {
 352                         /* Here we lost an TX interrupt, so
 353                            * restart transmitting the whole frame.
 354                          */
 355                         if (bcs->tx_skb) {
 356                                 skb_push(bcs->tx_skb, bcs->hw.w6692.count);
 357                                 bcs->tx_cnt += bcs->hw.w6692.count;
 358                                 bcs->hw.w6692.count = 0;
 359                         }
 360                 }
 361                 return;
 362         }
 363         if (val & W_B_EXI_XFR) {        /* XFR */
 364                 r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
 365                 if (r & W_B_STAR_XDOW) {
 366                         if (cs->debug & L1_DEB_WARN)
 367                                 debugl1(cs, "W6692 B STAR %x XDOW", r);
 368                         cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_XRST | W_B_CMDR_RACT);
 369                         if (bcs->tx_skb && (bcs->mode != 1)) {
 370                                 skb_push(bcs->tx_skb, bcs->hw.w6692.count);
 371                                 bcs->tx_cnt += bcs->hw.w6692.count;
 372                                 bcs->hw.w6692.count = 0;
 373                         }
 374                 }
 375                 if (bcs->tx_skb) {
 376                         if (bcs->tx_skb->len) {
 377                                 W6692B_fill_fifo(bcs);
 378                                 return;
 379                         } else {
 380                                 if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag) &&
 381                                         (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
 382                                         u_long  flags;
 383                                         spin_lock_irqsave(&bcs->aclock, flags);
 384                                         bcs->ackcnt += bcs->hw.w6692.count;
 385                                         spin_unlock_irqrestore(&bcs->aclock, flags);
 386                                         schedule_event(bcs, B_ACKPENDING);
 387                                 }
 388                                 dev_kfree_skb_irq(bcs->tx_skb);
 389                                 bcs->hw.w6692.count = 0;
 390                                 bcs->tx_skb = NULL;
 391                         }
 392                 }
 393                 if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
 394                         bcs->hw.w6692.count = 0;
 395                         test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
 396                         W6692B_fill_fifo(bcs);
 397                 } else {
 398                         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
 399                         schedule_event(bcs, B_XMTBUFREADY);
 400                 }
 401         }
 402 }
 403
 404 static irqreturn_t
 405 W6692_interrupt(int intno, void *dev_id)
 406 {
 407         struct IsdnCardState    *cs = dev_id;
 408         u_char                  val, exval, v1;
 409         struct sk_buff          *skb;
 410         u_int                   count;
 411         u_long                  flags;
 412         int                     icnt = 5;
 413
 414         spin_lock_irqsave(&cs->lock, flags);
 415         val = cs->readW6692(cs, W_ISTA);
 416         if (!val) {
 417                 spin_unlock_irqrestore(&cs->lock, flags);
 418                 return IRQ_NONE;
 419         }
 420       StartW6692:
 421         if (cs->debug & L1_DEB_ISAC)
 422                 debugl1(cs, "W6692 ISTA %x", val);
 423
 424         if (val & W_INT_D_RME) {        /* RME */
 425                 exval = cs->readW6692(cs, W_D_RSTA);
 426                 if (exval & (W_D_RSTA_RDOV | W_D_RSTA_CRCE | W_D_RSTA_RMB)) {
 427                         if (exval & W_D_RSTA_RDOV)
 428                                 if (cs->debug & L1_DEB_WARN)
 429                                         debugl1(cs, "W6692 RDOV");
 430                         if (exval & W_D_RSTA_CRCE)
 431                                 if (cs->debug & L1_DEB_WARN)
 432                                         debugl1(cs, "W6692 D-channel CRC error");
 433                         if (exval & W_D_RSTA_RMB)
 434                                 if (cs->debug & L1_DEB_WARN)
 435                                         debugl1(cs, "W6692 D-channel ABORT");
 436                         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK | W_D_CMDR_RRST);
 437                 } else {
 438                         count = cs->readW6692(cs, W_D_RBCL) & (W_D_FIFO_THRESH - 1);
 439                         if (count == 0)
 440                                 count = W_D_FIFO_THRESH;
 441                         W6692_empty_fifo(cs, count);
 442                         if ((count = cs->rcvidx) > 0) {
 443                                 cs->rcvidx = 0;
 444                                 if (!(skb = alloc_skb(count, GFP_ATOMIC)))
 445                                         printk(KERN_WARNING "HiSax: D receive out of memory\n");
 446                                 else {
 447                                         memcpy(skb_put(skb, count), cs->rcvbuf, count);
 448                                         skb_queue_tail(&cs->rq, skb);
 449                                 }
 450                         }
 451                 }
 452                 cs->rcvidx = 0;
 453                 schedule_event(cs, D_RCVBUFREADY);
 454         }
 455         if (val & W_INT_D_RMR) {        /* RMR */
 456                 W6692_empty_fifo(cs, W_D_FIFO_THRESH);
 457         }
 458         if (val & W_INT_D_XFR) {        /* XFR */
 459                 if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
 460                         del_timer(&cs->dbusytimer);
 461                 if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
 462                         schedule_event(cs, D_CLEARBUSY);
 463                 if (cs->tx_skb) {
 464                         if (cs->tx_skb->len) {
 465                                 W6692_fill_fifo(cs);
 466                                 goto afterXFR;
 467                         } else {
 468                                 dev_kfree_skb_irq(cs->tx_skb);
 469                                 cs->tx_cnt = 0;
 470                                 cs->tx_skb = NULL;
 471                         }
 472                 }
 473                 if ((cs->tx_skb = skb_dequeue(&cs->sq))) {
 474                         cs->tx_cnt = 0;
 475                         W6692_fill_fifo(cs);
 476                 } else
 477                         schedule_event(cs, D_XMTBUFREADY);
 478         }
 479       afterXFR:
 480         if (val & (W_INT_XINT0 | W_INT_XINT1)) {        /* XINT0/1 - never */
 481                 if (cs->debug & L1_DEB_ISAC)
 482                         debugl1(cs, "W6692 spurious XINT!");
 483         }
 484         if (val & W_INT_D_EXI) {        /* EXI */
 485                 exval = cs->readW6692(cs, W_D_EXIR);
 486                 if (cs->debug & L1_DEB_WARN)
 487                         debugl1(cs, "W6692 D_EXIR %02x", exval);
 488                 if (exval & (W_D_EXI_XDUN | W_D_EXI_XCOL)) {    /* Transmit underrun/collision */
 489                         debugl1(cs, "W6692 D-chan underrun/collision");
 490                         printk(KERN_WARNING "HiSax: W6692 XDUN/XCOL\n");
 491                         if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
 492                                 del_timer(&cs->dbusytimer);
 493                         if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
 494                                 schedule_event(cs, D_CLEARBUSY);
 495                         if (cs->tx_skb) {       /* Restart frame */
 496                                 skb_push(cs->tx_skb, cs->tx_cnt);
 497                                 cs->tx_cnt = 0;
 498                                 W6692_fill_fifo(cs);
 499                         } else {
 500                                 printk(KERN_WARNING "HiSax: W6692 XDUN/XCOL no skb\n");
 501                                 debugl1(cs, "W6692 XDUN/XCOL no skb");
 502                                 cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_XRST);
 503                         }
 504                 }
 505                 if (exval & W_D_EXI_RDOV) {     /* RDOV */
 506                         debugl1(cs, "W6692 D-channel RDOV");
 507                         printk(KERN_WARNING "HiSax: W6692 D-RDOV\n");
 508                         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RRST);
 509                 }
 510                 if (exval & W_D_EXI_TIN2) {     /* TIN2 - never */
 511                         debugl1(cs, "W6692 spurious TIN2 interrupt");
 512                 }
 513                 if (exval & W_D_EXI_MOC) {      /* MOC - not supported */
 514                         debugl1(cs, "W6692 spurious MOC interrupt");
 515                         v1 = cs->readW6692(cs, W_MOSR);
 516                         debugl1(cs, "W6692 MOSR %02x", v1);
 517                 }
 518                 if (exval & W_D_EXI_ISC) {      /* ISC - Level1 change */
 519                         v1 = cs->readW6692(cs, W_CIR);
 520                         if (cs->debug & L1_DEB_ISAC)
 521                                 debugl1(cs, "W6692 ISC CIR=0x%02X", v1);
 522                         if (v1 & W_CIR_ICC) {
 523                                 cs->dc.w6692.ph_state = v1 & W_CIR_COD_MASK;
 524                                 if (cs->debug & L1_DEB_ISAC)
 525                                         debugl1(cs, "ph_state_change %x", cs->dc.w6692.ph_state);
 526                                 schedule_event(cs, D_L1STATECHANGE);
 527                         }
 528                         if (v1 & W_CIR_SCC) {
 529                                 v1 = cs->readW6692(cs, W_SQR);
 530                                 debugl1(cs, "W6692 SCC SQR=0x%02X", v1);
 531                         }
 532                 }
 533                 if (exval & W_D_EXI_WEXP) {
 534                         debugl1(cs, "W6692 spurious WEXP interrupt!");
 535                 }
 536                 if (exval & W_D_EXI_TEXP) {
 537                         debugl1(cs, "W6692 spurious TEXP interrupt!");
 538                 }
 539         }
 540         if (val & W_INT_B1_EXI) {
 541                 debugl1(cs, "W6692 B channel 1 interrupt");
 542                 W6692B_interrupt(cs, 0);
 543         }
 544         if (val & W_INT_B2_EXI) {
 545                 debugl1(cs, "W6692 B channel 2 interrupt");
 546                 W6692B_interrupt(cs, 1);
 547         }
 548         val = cs->readW6692(cs, W_ISTA);
 549         if (val && icnt) {
 550                 icnt--;
 551                 goto StartW6692;
 552         }
 553         if (!icnt) {
 554                 printk(KERN_WARNING "W6692 IRQ LOOP\n");
 555                 cs->writeW6692(cs, W_IMASK, 0xff);
 556         }
 557         spin_unlock_irqrestore(&cs->lock, flags);
 558         return IRQ_HANDLED;
 559 }
 560
 561 static void
 562 W6692_l1hw(struct PStack *st, int pr, void *arg)
 563 {
 564         struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware;
 565         struct sk_buff *skb = arg;
 566         u_long flags;
 567         int val;
 568
 569         switch (pr) {
 570                 case (PH_DATA | REQUEST):
 571                         if (cs->debug & DEB_DLOG_HEX)
 572                                 LogFrame(cs, skb->data, skb->len);
 573                         if (cs->debug & DEB_DLOG_VERBOSE)
 574                                 dlogframe(cs, skb, 0);
 575                         spin_lock_irqsave(&cs->lock, flags);
 576                         if (cs->tx_skb) {
 577                                 skb_queue_tail(&cs->sq, skb);
 578 #ifdef L2FRAME_DEBUG            /* psa */
 579                                 if (cs->debug & L1_DEB_LAPD)
 580                                         Logl2Frame(cs, skb, "PH_DATA Queued", 0);
 581 #endif
 582                         } else {
 583                                 cs->tx_skb = skb;
 584                                 cs->tx_cnt = 0;
 585 #ifdef L2FRAME_DEBUG            /* psa */
 586                                 if (cs->debug & L1_DEB_LAPD)
 587                                         Logl2Frame(cs, skb, "PH_DATA", 0);
 588 #endif
 589                                 W6692_fill_fifo(cs);
 590                         }
 591                         spin_unlock_irqrestore(&cs->lock, flags);
 592                         break;
 593                 case (PH_PULL | INDICATION):
 594                         spin_lock_irqsave(&cs->lock, flags);
 595                         if (cs->tx_skb) {
 596                                 if (cs->debug & L1_DEB_WARN)
 597                                         debugl1(cs, " l2l1 tx_skb exist this shouldn't happen");
 598                                 skb_queue_tail(&cs->sq, skb);
 599                                 spin_unlock_irqrestore(&cs->lock, flags);
 600                                 break;
 601                         }
 602                         if (cs->debug & DEB_DLOG_HEX)
 603                                 LogFrame(cs, skb->data, skb->len);
 604                         if (cs->debug & DEB_DLOG_VERBOSE)
 605                                 dlogframe(cs, skb, 0);
 606                         cs->tx_skb = skb;
 607                         cs->tx_cnt = 0;
 608 #ifdef L2FRAME_DEBUG            /* psa */
 609                         if (cs->debug & L1_DEB_LAPD)
 610                                 Logl2Frame(cs, skb, "PH_DATA_PULLED", 0);
 611 #endif
 612                         W6692_fill_fifo(cs);
 613                         spin_unlock_irqrestore(&cs->lock, flags);
 614                         break;
 615                 case (PH_PULL | REQUEST):
 616 #ifdef L2FRAME_DEBUG            /* psa */
 617                         if (cs->debug & L1_DEB_LAPD)
 618                                 debugl1(cs, "-> PH_REQUEST_PULL");
 619 #endif
 620                         if (!cs->tx_skb) {
 621                                 test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
 622                                 st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
 623                         } else
 624                                 test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
 625                         break;
 626                 case (HW_RESET | REQUEST):
 627                         spin_lock_irqsave(&cs->lock, flags);
 628                         if ((cs->dc.w6692.ph_state == W_L1IND_DRD)) {
 629                                 ph_command(cs, W_L1CMD_ECK);
 630                                 spin_unlock_irqrestore(&cs->lock, flags);
 631                         } else {
 632                                 ph_command(cs, W_L1CMD_RST);
 633                                 cs->dc.w6692.ph_state = W_L1CMD_RST;
 634                                 spin_unlock_irqrestore(&cs->lock, flags);
 635                                 W6692_new_ph(cs);
 636                         }
 637                         break;
 638                 case (HW_ENABLE | REQUEST):
 639                         spin_lock_irqsave(&cs->lock, flags);
 640                         ph_command(cs, W_L1CMD_ECK);
 641                         spin_unlock_irqrestore(&cs->lock, flags);
 642                         break;
 643                 case (HW_INFO3 | REQUEST):
 644                         spin_lock_irqsave(&cs->lock, flags);
 645                         ph_command(cs, W_L1CMD_AR8);
 646                         spin_unlock_irqrestore(&cs->lock, flags);
 647                         break;
 648                 case (HW_TESTLOOP | REQUEST):
 649                         val = 0;
 650                         if (1 & (long) arg)
 651                                 val |= 0x0c;
 652                         if (2 & (long) arg)
 653                                 val |= 0x3;
 654                         /* !!! not implemented yet */
 655                         break;
 656                 case (HW_DEACTIVATE | RESPONSE):
 657                         skb_queue_purge(&cs->rq);
 658                         skb_queue_purge(&cs->sq);
 659                         if (cs->tx_skb) {
 660                                 dev_kfree_skb_any(cs->tx_skb);
 661                                 cs->tx_skb = NULL;
 662                         }
 663                         if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
 664                                 del_timer(&cs->dbusytimer);
 665                         if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
 666                                 schedule_event(cs, D_CLEARBUSY);
 667                         break;
 668                 default:
 669                         if (cs->debug & L1_DEB_WARN)
 670                                 debugl1(cs, "W6692_l1hw unknown %04x", pr);
 671                         break;
 672         }
 673 }
 674
 675 static void
 676 setstack_W6692(struct PStack *st, struct IsdnCardState *cs)
 677 {
 678         st->l1.l1hw = W6692_l1hw;
 679 }
 680
 681 static void
 682 DC_Close_W6692(struct IsdnCardState *cs)
 683 {
 684 }
 685
 686 static void
 687 dbusy_timer_handler(struct IsdnCardState *cs)
 688 {
 689         struct PStack *stptr;
 690         int rbch, star;
 691         u_long flags;
 692
 693         spin_lock_irqsave(&cs->lock, flags);
 694         if (test_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
 695                 rbch = cs->readW6692(cs, W_D_RBCH);
 696                 star = cs->readW6692(cs, W_D_STAR);
 697                 if (cs->debug)
 698                         debugl1(cs, "D-Channel Busy D_RBCH %02x D_STAR %02x",
 699                                 rbch, star);
 700                 if (star & W_D_STAR_XBZ) {      /* D-Channel Busy */
 701                         test_and_set_bit(FLG_L1_DBUSY, &cs->HW_Flags);
 702                         stptr = cs->stlist;
 703                         while (stptr != NULL) {
 704                                 stptr->l1.l1l2(stptr, PH_PAUSE | INDICATION, NULL);
 705                                 stptr = stptr->next;
 706                         }
 707                 } else {
 708                         /* discard frame; reset transceiver */
 709                         test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags);
 710                         if (cs->tx_skb) {
 711                                 dev_kfree_skb_any(cs->tx_skb);
 712                                 cs->tx_cnt = 0;
 713                                 cs->tx_skb = NULL;
 714                         } else {
 715                                 printk(KERN_WARNING "HiSax: W6692 D-Channel Busy no skb\n");
 716                                 debugl1(cs, "D-Channel Busy no skb");
 717                         }
 718                         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_XRST);    /* Transmitter reset */
 719                         spin_unlock_irqrestore(&cs->lock, flags);
 720                         cs->irq_func(cs->irq, cs);
 721                         return;
 722                 }
 723         }
 724         spin_unlock_irqrestore(&cs->lock, flags);
 725 }
 726
 727 static void
 728 W6692Bmode(struct BCState *bcs, int mode, int bchan)
 729 {
 730         struct IsdnCardState *cs = bcs->cs;
 731
 732         if (cs->debug & L1_DEB_HSCX)
 733                 debugl1(cs, "w6692 %c mode %d ichan %d",
 734                         '1' + bchan, mode, bchan);
 735         bcs->mode = mode;
 736         bcs->channel = bchan;
 737         bcs->hw.w6692.bchan = bchan;
 738
 739         switch (mode) {
 740                 case (L1_MODE_NULL):
 741                         cs->BC_Write_Reg(cs, bchan, W_B_MODE, 0);
 742                         break;
 743                 case (L1_MODE_TRANS):
 744                         cs->BC_Write_Reg(cs, bchan, W_B_MODE, W_B_MODE_MMS);
 745                         break;
 746                 case (L1_MODE_HDLC):
 747                         cs->BC_Write_Reg(cs, bchan, W_B_MODE, W_B_MODE_ITF);
 748                         cs->BC_Write_Reg(cs, bchan, W_B_ADM1, 0xff);
 749                         cs->BC_Write_Reg(cs, bchan, W_B_ADM2, 0xff);
 750                         break;
 751         }
 752         if (mode)
 753                 cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RRST |
 754                                  W_B_CMDR_RACT | W_B_CMDR_XRST);
 755         cs->BC_Write_Reg(cs, bchan, W_B_EXIM, 0x00);
 756 }
 757
 758 static void
 759 W6692_l2l1(struct PStack *st, int pr, void *arg)
 760 {
 761         struct sk_buff *skb = arg;
 762         struct BCState *bcs = st->l1.bcs;
 763         u_long flags;
 764
 765         switch (pr) {
 766                 case (PH_DATA | REQUEST):
 767                         spin_lock_irqsave(&bcs->cs->lock, flags);
 768                         if (bcs->tx_skb) {
 769                                 skb_queue_tail(&bcs->squeue, skb);
 770                         } else {
 771                                 bcs->tx_skb = skb;
 772                                 test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
 773                                 bcs->hw.w6692.count = 0;
 774                                 bcs->cs->BC_Send_Data(bcs);
 775                         }
 776                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
 777                         break;
 778                 case (PH_PULL | INDICATION):
 779                         if (bcs->tx_skb) {
 780                                 printk(KERN_WARNING "W6692_l2l1: this shouldn't happen\n");
 781                                 break;
 782                         }
 783                         spin_lock_irqsave(&bcs->cs->lock, flags);
 784                         test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
 785                         bcs->tx_skb = skb;
 786                         bcs->hw.w6692.count = 0;
 787                         bcs->cs->BC_Send_Data(bcs);
 788                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
 789                         break;
 790                 case (PH_PULL | REQUEST):
 791                         if (!bcs->tx_skb) {
 792                                 test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
 793                                 st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
 794                         } else
 795                                 test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
 796                         break;
 797                 case (PH_ACTIVATE | REQUEST):
 798                         spin_lock_irqsave(&bcs->cs->lock, flags);
 799                         test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
 800                         W6692Bmode(bcs, st->l1.mode, st->l1.bc);
 801                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
 802                         l1_msg_b(st, pr, arg);
 803                         break;
 804                 case (PH_DEACTIVATE | REQUEST):
 805                         l1_msg_b(st, pr, arg);
 806                         break;
 807                 case (PH_DEACTIVATE | CONFIRM):
 808                         spin_lock_irqsave(&bcs->cs->lock, flags);
 809                         test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
 810                         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
 811                         W6692Bmode(bcs, 0, st->l1.bc);
 812                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
 813                         st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
 814                         break;
 815         }
 816 }
 817
 818 static void
 819 close_w6692state(struct BCState *bcs)
 820 {
 821         W6692Bmode(bcs, 0, bcs->channel);
 822         if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
 823                 kfree(bcs->hw.w6692.rcvbuf);
 824                 bcs->hw.w6692.rcvbuf = NULL;
 825                 kfree(bcs->blog);
 826                 bcs->blog = NULL;
 827                 skb_queue_purge(&bcs->rqueue);
 828                 skb_queue_purge(&bcs->squeue);
 829                 if (bcs->tx_skb) {
 830                         dev_kfree_skb_any(bcs->tx_skb);
 831                         bcs->tx_skb = NULL;
 832                         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
 833                 }
 834         }
 835 }
 836
 837 static int
 838 open_w6692state(struct IsdnCardState *cs, struct BCState *bcs)
 839 {
 840         if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
 841                 if (!(bcs->hw.w6692.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
 842                         printk(KERN_WARNING
 843                                "HiSax: No memory for w6692.rcvbuf\n");
 844                         test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
 845                         return (1);
 846                 }
 847                 if (!(bcs->blog = kmalloc(MAX_BLOG_SPACE, GFP_ATOMIC))) {
 848                         printk(KERN_WARNING
 849                                "HiSax: No memory for bcs->blog\n");
 850                         test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
 851                         kfree(bcs->hw.w6692.rcvbuf);
 852                         bcs->hw.w6692.rcvbuf = NULL;
 853                         return (2);
 854                 }
 855                 skb_queue_head_init(&bcs->rqueue);
 856                 skb_queue_head_init(&bcs->squeue);
 857         }
 858         bcs->tx_skb = NULL;
 859         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
 860         bcs->event = 0;
 861         bcs->hw.w6692.rcvidx = 0;
 862         bcs->tx_cnt = 0;
 863         return (0);
 864 }
 865
 866 static int
 867 setstack_w6692(struct PStack *st, struct BCState *bcs)
 868 {
 869         bcs->channel = st->l1.bc;
 870         if (open_w6692state(st->l1.hardware, bcs))
 871                 return (-1);
 872         st->l1.bcs = bcs;
 873         st->l2.l2l1 = W6692_l2l1;
 874         setstack_manager(st);
 875         bcs->st = st;
 876         setstack_l1_B(st);
 877         return (0);
 878 }
 879
 880 static void resetW6692(struct IsdnCardState *cs)
 881 {
 882         cs->writeW6692(cs, W_D_CTL, W_D_CTL_SRST);
 883         mdelay(10);
 884         cs->writeW6692(cs, W_D_CTL, 0x00);
 885         mdelay(10);
 886         cs->writeW6692(cs, W_IMASK, 0xff);
 887         cs->writeW6692(cs, W_D_SAM, 0xff);
 888         cs->writeW6692(cs, W_D_TAM, 0xff);
 889         cs->writeW6692(cs, W_D_EXIM, 0x00);
 890         cs->writeW6692(cs, W_D_MODE, W_D_MODE_RACT);
 891         cs->writeW6692(cs, W_IMASK, 0x18);
 892         if (cs->subtyp == W6692_USR) {
 893                 /* seems that USR implemented some power control features
 894                  * Pin 79 is connected to the oscilator circuit so we
 895                  * have to handle it here
 896                  */
 897                 cs->writeW6692(cs, W_PCTL, 0x80);
 898                 cs->writeW6692(cs, W_XDATA, 0x00);
 899         }
 900 }
 901
 902 static void initW6692(struct IsdnCardState *cs, int part)
 903 {
 904         if (part & 1) {
 905                 cs->setstack_d = setstack_W6692;
 906                 cs->DC_Close = DC_Close_W6692;
 907                 cs->dbusytimer.function = (void *) dbusy_timer_handler;
 908                 cs->dbusytimer.data = (long) cs;
 909                 init_timer(&cs->dbusytimer);
 910                 resetW6692(cs);
 911                 ph_command(cs, W_L1CMD_RST);
 912                 cs->dc.w6692.ph_state = W_L1CMD_RST;
 913                 W6692_new_ph(cs);
 914                 ph_command(cs, W_L1CMD_ECK);
 915
 916                 cs->bcs[0].BC_SetStack = setstack_w6692;
 917                 cs->bcs[1].BC_SetStack = setstack_w6692;
 918                 cs->bcs[0].BC_Close = close_w6692state;
 919                 cs->bcs[1].BC_Close = close_w6692state;
 920                 W6692Bmode(cs->bcs, 0, 0);
 921                 W6692Bmode(cs->bcs + 1, 0, 0);
 922         }
 923         if (part & 2) {
 924                 /* Reenable all IRQ */
 925                 cs->writeW6692(cs, W_IMASK, 0x18);
 926                 cs->writeW6692(cs, W_D_EXIM, 0x00);
 927                 cs->BC_Write_Reg(cs, 0, W_B_EXIM, 0x00);
 928                 cs->BC_Write_Reg(cs, 1, W_B_EXIM, 0x00);
 929                 /* Reset D-chan receiver and transmitter */
 930                 cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RRST | W_D_CMDR_XRST);
 931         }
 932 }
 933
 934 /* Interface functions */
 935
 936 static u_char
 937 ReadW6692(struct IsdnCardState *cs, u_char offset)
 938 {
 939         return (inb(cs->hw.w6692.iobase + offset));
 940 }
 941
 942 static void
 943 WriteW6692(struct IsdnCardState *cs, u_char offset, u_char value)
 944 {
 945         outb(value, cs->hw.w6692.iobase + offset);
 946 }
 947
 948 static void
 949 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 950 {
 951         insb(cs->hw.w6692.iobase + W_D_RFIFO, data, size);
 952 }
 953
 954 static void
 955 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 956 {
 957         outsb(cs->hw.w6692.iobase + W_D_XFIFO, data, size);
 958 }
 959
 960 static u_char
 961 ReadW6692B(struct IsdnCardState *cs, int bchan, u_char offset)
 962 {
 963         return (inb(cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset));
 964 }
 965
 966 static void
 967 WriteW6692B(struct IsdnCardState *cs, int bchan, u_char offset, u_char value)
 968 {
 969         outb(value, cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset);
 970 }
 971
 972 static int
 973 w6692_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 974 {
 975         switch (mt) {
 976                 case CARD_RESET:
 977                         resetW6692(cs);
 978                         return (0);
 979                 case CARD_RELEASE:
 980                         cs->writeW6692(cs, W_IMASK, 0xff);
 981                         release_region(cs->hw.w6692.iobase, 256);
 982                         if (cs->subtyp == W6692_USR) {
 983                                 cs->writeW6692(cs, W_XDATA, 0x04);
 984                         }
 985                         return (0);
 986                 case CARD_INIT:
 987                         initW6692(cs, 3);
 988                         return (0);
 989                 case CARD_TEST:
 990                         return (0);
 991         }
 992         return (0);
 993 }
 994
 995 static int id_idx ;
 996
 997 static struct pci_dev *dev_w6692 __devinitdata = NULL;
 998
 999 int __devinit
1000 setup_w6692(struct IsdnCard *card)
1001 {
1002         struct IsdnCardState *cs = card->cs;
1003         char tmp[64];
1004         u_char found = 0;
1005         u_char pci_irq = 0;
1006         u_int pci_ioaddr = 0;
1007
1008         strcpy(tmp, w6692_revision);
1009         printk(KERN_INFO "HiSax: W6692 driver Rev. %s\n", HiSax_getrev(tmp));
1010         if (cs->typ != ISDN_CTYPE_W6692)
1011                 return (0);
1012 #ifdef CONFIG_PCI
1013         while (id_list[id_idx].vendor_id) {
1014                 dev_w6692 = pci_find_device(id_list[id_idx].vendor_id,
1015                                             id_list[id_idx].device_id,
1016                                             dev_w6692);
1017                 if (dev_w6692) {
1018                         if (pci_enable_device(dev_w6692))
1019                                 continue;
1020                         cs->subtyp = id_idx;
1021                         break;
1022                 }
1023                 id_idx++;
1024         }
1025         if (dev_w6692) {
1026                 found = 1;
1027                 pci_irq = dev_w6692->irq;
1028                 /* I think address 0 is allways the configuration area */
1029                 /* and address 1 is the real IO space KKe 03.09.99 */
1030                 pci_ioaddr = pci_resource_start(dev_w6692, 1);
1031                 /* USR ISDN PCI card TA need some special handling */
1032                 if (cs->subtyp == W6692_WINBOND) {
1033                         if ((W6692_SV_USR == dev_w6692->subsystem_vendor) &&
1034                             (W6692_SD_USR == dev_w6692->subsystem_device)) {
1035                                 cs->subtyp = W6692_USR;
1036                         }
1037                 }
1038         }
1039         if (!found) {
1040                 printk(KERN_WARNING "W6692: No PCI card found\n");
1041                 return (0);
1042         }
1043         cs->irq = pci_irq;
1044         if (!cs->irq) {
1045                 printk(KERN_WARNING "W6692: No IRQ for PCI card found\n");
1046                 return (0);
1047         }
1048         if (!pci_ioaddr) {
1049                 printk(KERN_WARNING "W6692: NO I/O Base Address found\n");
1050                 return (0);
1051         }
1052         cs->hw.w6692.iobase = pci_ioaddr;
1053         printk(KERN_INFO "Found: %s %s, I/O base: 0x%x, irq: %d\n",
1054                id_list[cs->subtyp].vendor_name, id_list[cs->subtyp].card_name,
1055                pci_ioaddr, pci_irq);
1056         if (!request_region(cs->hw.w6692.iobase, 256, id_list[cs->subtyp].card_name)) {
1057                 printk(KERN_WARNING
1058                        "HiSax: %s I/O ports %x-%x already in use\n",
1059                        id_list[cs->subtyp].card_name,
1060                        cs->hw.w6692.iobase,
1061                        cs->hw.w6692.iobase + 255);
1062                 return (0);
1063         }
1064 #else
1065         printk(KERN_WARNING "HiSax: W6692 and NO_PCI_BIOS\n");
1066         printk(KERN_WARNING "HiSax: W6692 unable to config\n");
1067         return (0);
1068 #endif                          /* CONFIG_PCI */
1069
1070         printk(KERN_INFO
1071                "HiSax: %s config irq:%d I/O:%x\n",
1072                id_list[cs->subtyp].card_name, cs->irq,
1073                cs->hw.w6692.iobase);
1074
1075         INIT_WORK(&cs->tqueue, W6692_bh);
1076         cs->readW6692 = &ReadW6692;
1077         cs->writeW6692 = &WriteW6692;
1078         cs->readisacfifo = &ReadISACfifo;
1079         cs->writeisacfifo = &WriteISACfifo;
1080         cs->BC_Read_Reg = &ReadW6692B;
1081         cs->BC_Write_Reg = &WriteW6692B;
1082         cs->BC_Send_Data = &W6692B_fill_fifo;
1083         cs->cardmsg = &w6692_card_msg;
1084         cs->irq_func = &W6692_interrupt;
1085         cs->irq_flags |= IRQF_SHARED;
1086         W6692Version(cs, "W6692:");
1087         printk(KERN_INFO "W6692 ISTA=0x%X\n", ReadW6692(cs, W_ISTA));
1088         printk(KERN_INFO "W6692 IMASK=0x%X\n", ReadW6692(cs, W_IMASK));
1089         printk(KERN_INFO "W6692 D_EXIR=0x%X\n", ReadW6692(cs, W_D_EXIR));
1090         printk(KERN_INFO "W6692 D_EXIM=0x%X\n", ReadW6692(cs, W_D_EXIM));
1091         printk(KERN_INFO "W6692 D_RSTA=0x%X\n", ReadW6692(cs, W_D_RSTA));
1092         return (1);
1093 }