drivers/isdn/hisax/diva.c

   1 /* $Id: diva.c,v 1.33.2.6 2004/02/11 13:21:33 keil Exp $
   2  *
   3  * low level stuff for Eicon.Diehl Diva Family ISDN cards
   4  *
   5  * Author       Karsten Keil
   6  * Copyright    by Karsten Keil      <keil@isdn4linux.de>
   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  * For changes and modifications please read
  12  * Documentation/isdn/HiSax.cert
  13  *
  14  * Thanks to Eicon Technology for documents and information
  15  *
  16  */
  17
  18 #include <linux/init.h>
  19 #include "hisax.h"
  20 #include "isac.h"
  21 #include "hscx.h"
  22 #include "ipac.h"
  23 #include "ipacx.h"
  24 #include "isdnl1.h"
  25 #include <linux/pci.h>
  26 #include <linux/isapnp.h>
  27
  28 extern const char *CardType[];
  29
  30 static const char *Diva_revision = "$Revision: 1.33.2.6 $";
  31
  32 #define byteout(addr,val) outb(val,addr)
  33 #define bytein(addr) inb(addr)
  34
  35 #define DIVA_HSCX_DATA          0
  36 #define DIVA_HSCX_ADR           4
  37 #define DIVA_ISA_ISAC_DATA      2
  38 #define DIVA_ISA_ISAC_ADR       6
  39 #define DIVA_ISA_CTRL           7
  40 #define DIVA_IPAC_ADR           0
  41 #define DIVA_IPAC_DATA          1
  42
  43 #define DIVA_PCI_ISAC_DATA      8
  44 #define DIVA_PCI_ISAC_ADR       0xc
  45 #define DIVA_PCI_CTRL           0x10
  46
  47 /* SUB Types */
  48 #define DIVA_ISA        1
  49 #define DIVA_PCI        2
  50 #define DIVA_IPAC_ISA   3
  51 #define DIVA_IPAC_PCI   4
  52 #define DIVA_IPACX_PCI  5
  53
  54 /* CTRL (Read) */
  55 #define DIVA_IRQ_STAT   0x01
  56 #define DIVA_EEPROM_SDA 0x02
  57
  58 /* CTRL (Write) */
  59 #define DIVA_IRQ_REQ    0x01
  60 #define DIVA_RESET      0x08
  61 #define DIVA_EEPROM_CLK 0x40
  62 #define DIVA_PCI_LED_A  0x10
  63 #define DIVA_PCI_LED_B  0x20
  64 #define DIVA_ISA_LED_A  0x20
  65 #define DIVA_ISA_LED_B  0x40
  66 #define DIVA_IRQ_CLR    0x80
  67
  68 /* Siemens PITA */
  69 #define PITA_MISC_REG           0x1c
  70 #ifdef __BIG_ENDIAN
  71 #define PITA_PARA_SOFTRESET     0x00000001
  72 #define PITA_SER_SOFTRESET      0x00000002
  73 #define PITA_PARA_MPX_MODE      0x00000004
  74 #define PITA_INT0_ENABLE        0x00000200
  75 #else
  76 #define PITA_PARA_SOFTRESET     0x01000000
  77 #define PITA_SER_SOFTRESET      0x02000000
  78 #define PITA_PARA_MPX_MODE      0x04000000
  79 #define PITA_INT0_ENABLE        0x00020000
  80 #endif
  81 #define PITA_INT0_STATUS        0x02
  82
  83 static inline u_char
  84 readreg(unsigned int ale, unsigned int adr, u_char off)
  85 {
  86         register u_char ret;
  87
  88         byteout(ale, off);
  89         ret = bytein(adr);
  90         return (ret);
  91 }
  92
  93 static inline void
  94 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
  95 {
  96         byteout(ale, off);
  97         insb(adr, data, size);
  98 }
  99
 100
 101 static inline void
 102 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
 103 {
 104         byteout(ale, off);
 105         byteout(adr, data);
 106 }
 107
 108 static inline void
 109 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
 110 {
 111         byteout(ale, off);
 112         outsb(adr, data, size);
 113 }
 114
 115 static inline u_char
 116 memreadreg(unsigned long adr, u_char off)
 117 {
 118         return(*((unsigned char *)
 119                 (((unsigned int *)adr) + off)));
 120 }
 121
 122 static inline void
 123 memwritereg(unsigned long adr, u_char off, u_char data)
 124 {
 125         register u_char *p;
 126
 127         p = (unsigned char *)(((unsigned int *)adr) + off);
 128         *p = data;
 129 }
 130
 131 /* Interface functions */
 132
 133 static u_char
 134 ReadISAC(struct IsdnCardState *cs, u_char offset)
 135 {
 136         return(readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset));
 137 }
 138
 139 static void
 140 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
 141 {
 142         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset, value);
 143 }
 144
 145 static void
 146 ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 147 {
 148         readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
 149 }
 150
 151 static void
 152 WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 153 {
 154         writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
 155 }
 156
 157 static u_char
 158 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
 159 {
 160         return (readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset+0x80));
 161 }
 162
 163 static void
 164 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
 165 {
 166         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset|0x80, value);
 167 }
 168
 169 static void
 170 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
 171 {
 172         readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
 173 }
 174
 175 static void
 176 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
 177 {
 178         writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
 179 }
 180
 181 static u_char
 182 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
 183 {
 184         return(readreg(cs->hw.diva.hscx_adr,
 185                 cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0)));
 186 }
 187
 188 static void
 189 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 190 {
 191         writereg(cs->hw.diva.hscx_adr,
 192                 cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0), value);
 193 }
 194
 195 static u_char
 196 MemReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
 197 {
 198         return (memreadreg(cs->hw.diva.cfg_reg, offset+0x80));
 199 }
 200
 201 static void
 202 MemWriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
 203 {
 204         memwritereg(cs->hw.diva.cfg_reg, offset|0x80, value);
 205 }
 206
 207 static void
 208 MemReadISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
 209 {
 210         while(size--)
 211                 *data++ = memreadreg(cs->hw.diva.cfg_reg, 0x80);
 212 }
 213
 214 static void
 215 MemWriteISACfifo_IPAC(struct IsdnCardState *cs, u_char * data, int size)
 216 {
 217         while(size--)
 218                 memwritereg(cs->hw.diva.cfg_reg, 0x80, *data++);
 219 }
 220
 221 static u_char
 222 MemReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
 223 {
 224         return(memreadreg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0)));
 225 }
 226
 227 static void
 228 MemWriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 229 {
 230         memwritereg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0), value);
 231 }
 232
 233 /* IO-Functions for IPACX type cards */
 234 static u_char
 235 MemReadISAC_IPACX(struct IsdnCardState *cs, u_char offset)
 236 {
 237         return (memreadreg(cs->hw.diva.cfg_reg, offset));
 238 }
 239
 240 static void
 241 MemWriteISAC_IPACX(struct IsdnCardState *cs, u_char offset, u_char value)
 242 {
 243         memwritereg(cs->hw.diva.cfg_reg, offset, value);
 244 }
 245
 246 static void
 247 MemReadISACfifo_IPACX(struct IsdnCardState *cs, u_char * data, int size)
 248 {
 249         while(size--)
 250                 *data++ = memreadreg(cs->hw.diva.cfg_reg, 0);
 251 }
 252
 253 static void
 254 MemWriteISACfifo_IPACX(struct IsdnCardState *cs, u_char * data, int size)
 255 {
 256         while(size--)
 257                 memwritereg(cs->hw.diva.cfg_reg, 0, *data++);
 258 }
 259
 260 static u_char
 261 MemReadHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset)
 262 {
 263         return(memreadreg(cs->hw.diva.cfg_reg, offset +
 264                     (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1)));
 265 }
 266
 267 static void
 268 MemWriteHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 269 {
 270         memwritereg(cs->hw.diva.cfg_reg, offset +
 271               (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1), value);
 272 }
 273
 274 /*
 275  * fast interrupt HSCX stuff goes here
 276  */
 277
 278 #define READHSCX(cs, nr, reg) readreg(cs->hw.diva.hscx_adr, \
 279                 cs->hw.diva.hscx, reg + (nr ? 0x40 : 0))
 280 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.diva.hscx_adr, \
 281                 cs->hw.diva.hscx, reg + (nr ? 0x40 : 0), data)
 282
 283 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.diva.hscx_adr, \
 284                 cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
 285
 286 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.diva.hscx_adr, \
 287                 cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
 288
 289 #include "hscx_irq.c"
 290
 291 static irqreturn_t
 292 diva_interrupt(int intno, void *dev_id)
 293 {
 294         struct IsdnCardState *cs = dev_id;
 295         u_char val, sval;
 296         u_long flags;
 297         int cnt=5;
 298
 299         spin_lock_irqsave(&cs->lock, flags);
 300         while (((sval = bytein(cs->hw.diva.ctrl)) & DIVA_IRQ_REQ) && cnt) {
 301                 val = readreg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_ISTA + 0x40);
 302                 if (val)
 303                         hscx_int_main(cs, val);
 304                 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA);
 305                 if (val)
 306                         isac_interrupt(cs, val);
 307                 cnt--;
 308         }
 309         if (!cnt)
 310                 printk(KERN_WARNING "Diva: IRQ LOOP\n");
 311         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0xFF);
 312         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0xFF);
 313         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0xFF);
 314         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0x0);
 315         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0x0);
 316         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0x0);
 317         spin_unlock_irqrestore(&cs->lock, flags);
 318         return IRQ_HANDLED;
 319 }
 320
 321 static irqreturn_t
 322 diva_irq_ipac_isa(int intno, void *dev_id)
 323 {
 324         struct IsdnCardState *cs = dev_id;
 325         u_char ista,val;
 326         u_long flags;
 327         int icnt=5;
 328
 329         spin_lock_irqsave(&cs->lock, flags);
 330         ista = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
 331 Start_IPACISA:
 332         if (cs->debug & L1_DEB_IPAC)
 333                 debugl1(cs, "IPAC ISTA %02X", ista);
 334         if (ista & 0x0f) {
 335                 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, HSCX_ISTA + 0x40);
 336                 if (ista & 0x01)
 337                         val |= 0x01;
 338                 if (ista & 0x04)
 339                         val |= 0x02;
 340                 if (ista & 0x08)
 341                         val |= 0x04;
 342                 if (val)
 343                         hscx_int_main(cs, val);
 344         }
 345         if (ista & 0x20) {
 346                 val = 0xfe & readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA + 0x80);
 347                 if (val) {
 348                         isac_interrupt(cs, val);
 349                 }
 350         }
 351         if (ista & 0x10) {
 352                 val = 0x01;
 353                 isac_interrupt(cs, val);
 354         }
 355         ista  = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
 356         if ((ista & 0x3f) && icnt) {
 357                 icnt--;
 358                 goto Start_IPACISA;
 359         }
 360         if (!icnt)
 361                 printk(KERN_WARNING "DIVA IPAC IRQ LOOP\n");
 362         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xFF);
 363         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xC0);
 364         spin_unlock_irqrestore(&cs->lock, flags);
 365         return IRQ_HANDLED;
 366 }
 367
 368 static inline void
 369 MemwaitforCEC(struct IsdnCardState *cs, int hscx)
 370 {
 371         int to = 50;
 372
 373         while ((MemReadHSCX(cs, hscx, HSCX_STAR) & 0x04) && to) {
 374                 udelay(1);
 375                 to--;
 376         }
 377         if (!to)
 378                 printk(KERN_WARNING "HiSax: waitforCEC timeout\n");
 379 }
 380
 381
 382 static inline void
 383 MemwaitforXFW(struct IsdnCardState *cs, int hscx)
 384 {
 385         int to = 50;
 386
 387         while ((!(MemReadHSCX(cs, hscx, HSCX_STAR) & 0x44) == 0x40) && to) {
 388                 udelay(1);
 389                 to--;
 390         }
 391         if (!to)
 392                 printk(KERN_WARNING "HiSax: waitforXFW timeout\n");
 393 }
 394
 395 static inline void
 396 MemWriteHSCXCMDR(struct IsdnCardState *cs, int hscx, u_char data)
 397 {
 398         MemwaitforCEC(cs, hscx);
 399         MemWriteHSCX(cs, hscx, HSCX_CMDR, data);
 400 }
 401
 402 static void
 403 Memhscx_empty_fifo(struct BCState *bcs, int count)
 404 {
 405         u_char *ptr;
 406         struct IsdnCardState *cs = bcs->cs;
 407         int cnt;
 408
 409         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
 410                 debugl1(cs, "hscx_empty_fifo");
 411
 412         if (bcs->hw.hscx.rcvidx + count > HSCX_BUFMAX) {
 413                 if (cs->debug & L1_DEB_WARN)
 414                         debugl1(cs, "hscx_empty_fifo: incoming packet too large");
 415                 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
 416                 bcs->hw.hscx.rcvidx = 0;
 417                 return;
 418         }
 419         ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
 420         cnt = count;
 421         while (cnt--)
 422                 *ptr++ = memreadreg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0);
 423         MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
 424         ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
 425         bcs->hw.hscx.rcvidx += count;
 426         if (cs->debug & L1_DEB_HSCX_FIFO) {
 427                 char *t = bcs->blog;
 428
 429                 t += sprintf(t, "hscx_empty_fifo %c cnt %d",
 430                              bcs->hw.hscx.hscx ? 'B' : 'A', count);
 431                 QuickHex(t, ptr, count);
 432                 debugl1(cs, bcs->blog);
 433         }
 434 }
 435
 436 static void
 437 Memhscx_fill_fifo(struct BCState *bcs)
 438 {
 439         struct IsdnCardState *cs = bcs->cs;
 440         int more, count, cnt;
 441         int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags)? 64: 32;
 442         u_char *ptr,*p;
 443
 444         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
 445                 debugl1(cs, "hscx_fill_fifo");
 446
 447         if (!bcs->tx_skb)
 448                 return;
 449         if (bcs->tx_skb->len <= 0)
 450                 return;
 451
 452         more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
 453         if (bcs->tx_skb->len > fifo_size) {
 454                 more = !0;
 455                 count = fifo_size;
 456         } else
 457                 count = bcs->tx_skb->len;
 458         cnt = count;
 459         MemwaitforXFW(cs, bcs->hw.hscx.hscx);
 460         p = ptr = bcs->tx_skb->data;
 461         skb_pull(bcs->tx_skb, count);
 462         bcs->tx_cnt -= count;
 463         bcs->hw.hscx.count += count;
 464         while(cnt--)
 465                 memwritereg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0,
 466                         *p++);
 467         MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, more ? 0x8 : 0xa);
 468         if (cs->debug & L1_DEB_HSCX_FIFO) {
 469                 char *t = bcs->blog;
 470
 471                 t += sprintf(t, "hscx_fill_fifo %c cnt %d",
 472                              bcs->hw.hscx.hscx ? 'B' : 'A', count);
 473                 QuickHex(t, ptr, count);
 474                 debugl1(cs, bcs->blog);
 475         }
 476 }
 477
 478 static void
 479 Memhscx_interrupt(struct IsdnCardState *cs, u_char val, u_char hscx)
 480 {
 481         u_char r;
 482         struct BCState *bcs = cs->bcs + hscx;
 483         struct sk_buff *skb;
 484         int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags)? 64: 32;
 485         int count;
 486
 487         if (!test_bit(BC_FLG_INIT, &bcs->Flag))
 488                 return;
 489
 490         if (val & 0x80) {       /* RME */
 491                 r = MemReadHSCX(cs, hscx, HSCX_RSTA);
 492                 if ((r & 0xf0) != 0xa0) {
 493                         if (!(r & 0x80))
 494                                 if (cs->debug & L1_DEB_WARN)
 495                                         debugl1(cs, "HSCX invalid frame");
 496                         if ((r & 0x40) && bcs->mode)
 497                                 if (cs->debug & L1_DEB_WARN)
 498                                         debugl1(cs, "HSCX RDO mode=%d",
 499                                                 bcs->mode);
 500                         if (!(r & 0x20))
 501                                 if (cs->debug & L1_DEB_WARN)
 502                                         debugl1(cs, "HSCX CRC error");
 503                         MemWriteHSCXCMDR(cs, hscx, 0x80);
 504                 } else {
 505                         count = MemReadHSCX(cs, hscx, HSCX_RBCL) & (
 506                                 test_bit(HW_IPAC, &cs->HW_Flags)? 0x3f: 0x1f);
 507                         if (count == 0)
 508                                 count = fifo_size;
 509                         Memhscx_empty_fifo(bcs, count);
 510                         if ((count = bcs->hw.hscx.rcvidx - 1) > 0) {
 511                                 if (cs->debug & L1_DEB_HSCX_FIFO)
 512                                         debugl1(cs, "HX Frame %d", count);
 513                                 if (!(skb = dev_alloc_skb(count)))
 514                                         printk(KERN_WARNING "HSCX: receive out of memory\n");
 515                                 else {
 516                                         memcpy(skb_put(skb, count), bcs->hw.hscx.rcvbuf, count);
 517                                         skb_queue_tail(&bcs->rqueue, skb);
 518                                 }
 519                         }
 520                 }
 521                 bcs->hw.hscx.rcvidx = 0;
 522                 schedule_event(bcs, B_RCVBUFREADY);
 523         }
 524         if (val & 0x40) {       /* RPF */
 525                 Memhscx_empty_fifo(bcs, fifo_size);
 526                 if (bcs->mode == L1_MODE_TRANS) {
 527                         /* receive audio data */
 528                         if (!(skb = dev_alloc_skb(fifo_size)))
 529                                 printk(KERN_WARNING "HiSax: receive out of memory\n");
 530                         else {
 531                                 memcpy(skb_put(skb, fifo_size), bcs->hw.hscx.rcvbuf, fifo_size);
 532                                 skb_queue_tail(&bcs->rqueue, skb);
 533                         }
 534                         bcs->hw.hscx.rcvidx = 0;
 535                         schedule_event(bcs, B_RCVBUFREADY);
 536                 }
 537         }
 538         if (val & 0x10) {       /* XPR */
 539                 if (bcs->tx_skb) {
 540                         if (bcs->tx_skb->len) {
 541                                 Memhscx_fill_fifo(bcs);
 542                                 return;
 543                         } else {
 544                                 if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag) &&
 545                                         (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
 546                                         u_long  flags;
 547                                         spin_lock_irqsave(&bcs->aclock, flags);
 548                                         bcs->ackcnt += bcs->hw.hscx.count;
 549                                         spin_unlock_irqrestore(&bcs->aclock, flags);
 550                                         schedule_event(bcs, B_ACKPENDING);
 551                                 }
 552                                 dev_kfree_skb_irq(bcs->tx_skb);
 553                                 bcs->hw.hscx.count = 0;
 554                                 bcs->tx_skb = NULL;
 555                         }
 556                 }
 557                 if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
 558                         bcs->hw.hscx.count = 0;
 559                         test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
 560                         Memhscx_fill_fifo(bcs);
 561                 } else {
 562                         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
 563                         schedule_event(bcs, B_XMTBUFREADY);
 564                 }
 565         }
 566 }
 567
 568 static inline void
 569 Memhscx_int_main(struct IsdnCardState *cs, u_char val)
 570 {
 571
 572         u_char exval;
 573         struct BCState *bcs;
 574
 575         if (val & 0x01) { // EXB
 576                 bcs = cs->bcs + 1;
 577                 exval = MemReadHSCX(cs, 1, HSCX_EXIR);
 578                 if (exval & 0x40) {
 579                         if (bcs->mode == 1)
 580                                 Memhscx_fill_fifo(bcs);
 581                         else {
 582                                 /* Here we lost an TX interrupt, so
 583                                    * restart transmitting the whole frame.
 584                                  */
 585                                 if (bcs->tx_skb) {
 586                                         skb_push(bcs->tx_skb, bcs->hw.hscx.count);
 587                                         bcs->tx_cnt += bcs->hw.hscx.count;
 588                                         bcs->hw.hscx.count = 0;
 589                                 }
 590                                 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x01);
 591                                 if (cs->debug & L1_DEB_WARN)
 592                                         debugl1(cs, "HSCX B EXIR %x Lost TX", exval);
 593                         }
 594                 } else if (cs->debug & L1_DEB_HSCX)
 595                         debugl1(cs, "HSCX B EXIR %x", exval);
 596         }
 597         if (val & 0xf8) {
 598                 if (cs->debug & L1_DEB_HSCX)
 599                         debugl1(cs, "HSCX B interrupt %x", val);
 600                 Memhscx_interrupt(cs, val, 1);
 601         }
 602         if (val & 0x02) {       // EXA
 603                 bcs = cs->bcs;
 604                 exval = MemReadHSCX(cs, 0, HSCX_EXIR);
 605                 if (exval & 0x40) {
 606                         if (bcs->mode == L1_MODE_TRANS)
 607                                 Memhscx_fill_fifo(bcs);
 608                         else {
 609                                 /* Here we lost an TX interrupt, so
 610                                    * restart transmitting the whole frame.
 611                                  */
 612                                 if (bcs->tx_skb) {
 613                                         skb_push(bcs->tx_skb, bcs->hw.hscx.count);
 614                                         bcs->tx_cnt += bcs->hw.hscx.count;
 615                                         bcs->hw.hscx.count = 0;
 616                                 }
 617                                 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x01);
 618                                 if (cs->debug & L1_DEB_WARN)
 619                                         debugl1(cs, "HSCX A EXIR %x Lost TX", exval);
 620                         }
 621                 } else if (cs->debug & L1_DEB_HSCX)
 622                         debugl1(cs, "HSCX A EXIR %x", exval);
 623         }
 624         if (val & 0x04) {       // ICA
 625                 exval = MemReadHSCX(cs, 0, HSCX_ISTA);
 626                 if (cs->debug & L1_DEB_HSCX)
 627                         debugl1(cs, "HSCX A interrupt %x", exval);
 628                 Memhscx_interrupt(cs, exval, 0);
 629         }
 630 }
 631
 632 static irqreturn_t
 633 diva_irq_ipac_pci(int intno, void *dev_id)
 634 {
 635         struct IsdnCardState *cs = dev_id;
 636         u_char ista,val;
 637         int icnt=5;
 638         u_char *cfg;
 639         u_long flags;
 640
 641         spin_lock_irqsave(&cs->lock, flags);
 642         cfg = (u_char *) cs->hw.diva.pci_cfg;
 643         val = *cfg;
 644         if (!(val & PITA_INT0_STATUS)) {
 645                 spin_unlock_irqrestore(&cs->lock, flags);
 646                 return IRQ_NONE; /* other shared IRQ */
 647         }
 648         *cfg = PITA_INT0_STATUS; /* Reset pending INT0 */
 649         ista = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
 650 Start_IPACPCI:
 651         if (cs->debug & L1_DEB_IPAC)
 652                 debugl1(cs, "IPAC ISTA %02X", ista);
 653         if (ista & 0x0f) {
 654                 val = memreadreg(cs->hw.diva.cfg_reg, HSCX_ISTA + 0x40);
 655                 if (ista & 0x01)
 656                         val |= 0x01;
 657                 if (ista & 0x04)
 658                         val |= 0x02;
 659                 if (ista & 0x08)
 660                         val |= 0x04;
 661                 if (val)
 662                         Memhscx_int_main(cs, val);
 663         }
 664         if (ista & 0x20) {
 665                 val = 0xfe & memreadreg(cs->hw.diva.cfg_reg, ISAC_ISTA + 0x80);
 666                 if (val) {
 667                         isac_interrupt(cs, val);
 668                 }
 669         }
 670         if (ista & 0x10) {
 671                 val = 0x01;
 672                 isac_interrupt(cs, val);
 673         }
 674         ista  = memreadreg(cs->hw.diva.cfg_reg, IPAC_ISTA);
 675         if ((ista & 0x3f) && icnt) {
 676                 icnt--;
 677                 goto Start_IPACPCI;
 678         }
 679         if (!icnt)
 680                 printk(KERN_WARNING "DIVA IPAC PCI IRQ LOOP\n");
 681         memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xFF);
 682         memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xC0);
 683         spin_unlock_irqrestore(&cs->lock, flags);
 684         return IRQ_HANDLED;
 685 }
 686
 687 static irqreturn_t
 688 diva_irq_ipacx_pci(int intno, void *dev_id)
 689 {
 690         struct IsdnCardState *cs = dev_id;
 691         u_char val;
 692         u_char *cfg;
 693         u_long flags;
 694
 695         spin_lock_irqsave(&cs->lock, flags);
 696         cfg = (u_char *) cs->hw.diva.pci_cfg;
 697         val = *cfg;
 698         if (!(val &PITA_INT0_STATUS)) {
 699                 spin_unlock_irqrestore(&cs->lock, flags);
 700                 return IRQ_NONE; // other shared IRQ
 701         }
 702         interrupt_ipacx(cs);      // handler for chip
 703         *cfg = PITA_INT0_STATUS;  // Reset PLX interrupt
 704         spin_unlock_irqrestore(&cs->lock, flags);
 705         return IRQ_HANDLED;
 706 }
 707
 708 static void
 709 release_io_diva(struct IsdnCardState *cs)
 710 {
 711         int bytecnt;
 712
 713         if ((cs->subtyp == DIVA_IPAC_PCI) ||
 714             (cs->subtyp == DIVA_IPACX_PCI)   ) {
 715                 u_int *cfg = (unsigned int *)cs->hw.diva.pci_cfg;
 716
 717                 *cfg = 0; /* disable INT0/1 */
 718                 *cfg = 2; /* reset pending INT0 */
 719                 if (cs->hw.diva.cfg_reg)
 720                         iounmap((void *)cs->hw.diva.cfg_reg);
 721                 if (cs->hw.diva.pci_cfg)
 722                         iounmap((void *)cs->hw.diva.pci_cfg);
 723                 return;
 724         } else if (cs->subtyp != DIVA_IPAC_ISA) {
 725                 del_timer(&cs->hw.diva.tl);
 726                 if (cs->hw.diva.cfg_reg)
 727                         byteout(cs->hw.diva.ctrl, 0); /* LED off, Reset */
 728         }
 729         if ((cs->subtyp == DIVA_ISA) || (cs->subtyp == DIVA_IPAC_ISA))
 730                 bytecnt = 8;
 731         else
 732                 bytecnt = 32;
 733         if (cs->hw.diva.cfg_reg) {
 734                 release_region(cs->hw.diva.cfg_reg, bytecnt);
 735         }
 736 }
 737
 738 static void
 739 iounmap_diva(struct IsdnCardState *cs)
 740 {
 741         if ((cs->subtyp == DIVA_IPAC_PCI) || (cs->subtyp == DIVA_IPACX_PCI)) {
 742                 if (cs->hw.diva.cfg_reg) {
 743                         iounmap((void *)cs->hw.diva.cfg_reg);
 744                         cs->hw.diva.cfg_reg = 0;
 745                 }
 746                 if (cs->hw.diva.pci_cfg) {
 747                         iounmap((void *)cs->hw.diva.pci_cfg);
 748                         cs->hw.diva.pci_cfg = 0;
 749                 }
 750         }
 751
 752         return;
 753 }
 754
 755 static void
 756 reset_diva(struct IsdnCardState *cs)
 757 {
 758         if (cs->subtyp == DIVA_IPAC_ISA) {
 759                 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x20);
 760                 mdelay(10);
 761                 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_POTA2, 0x00);
 762                 mdelay(10);
 763                 writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xc0);
 764         } else if (cs->subtyp == DIVA_IPAC_PCI) {
 765                 unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
 766                                         PITA_MISC_REG);
 767                 *ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
 768                 mdelay(10);
 769                 *ireg = PITA_PARA_MPX_MODE;
 770                 mdelay(10);
 771                 memwritereg(cs->hw.diva.cfg_reg, IPAC_MASK, 0xc0);
 772         } else if (cs->subtyp == DIVA_IPACX_PCI) {
 773                 unsigned int *ireg = (unsigned int *)(cs->hw.diva.pci_cfg +
 774                                         PITA_MISC_REG);
 775                 *ireg = PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE;
 776                 mdelay(10);
 777                 *ireg = PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET;
 778                 mdelay(10);
 779                 MemWriteISAC_IPACX(cs, IPACX_MASK, 0xff); // Interrupts off
 780         } else { /* DIVA 2.0 */
 781                 cs->hw.diva.ctrl_reg = 0;        /* Reset On */
 782                 byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
 783                 mdelay(10);
 784                 cs->hw.diva.ctrl_reg |= DIVA_RESET;  /* Reset Off */
 785                 byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
 786                 mdelay(10);
 787                 if (cs->subtyp == DIVA_ISA)
 788                         cs->hw.diva.ctrl_reg |= DIVA_ISA_LED_A;
 789                 else {
 790                         /* Workaround PCI9060 */
 791                         byteout(cs->hw.diva.pci_cfg + 0x69, 9);
 792                         cs->hw.diva.ctrl_reg |= DIVA_PCI_LED_A;
 793                 }
 794                 byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
 795         }
 796 }
 797
 798 #define DIVA_ASSIGN 1
 799
 800 static void
 801 diva_led_handler(struct IsdnCardState *cs)
 802 {
 803         int blink = 0;
 804
 805         if ((cs->subtyp == DIVA_IPAC_ISA) ||
 806             (cs->subtyp == DIVA_IPAC_PCI) ||
 807             (cs->subtyp == DIVA_IPACX_PCI)   )
 808                 return;
 809         del_timer(&cs->hw.diva.tl);
 810         if (cs->hw.diva.status & DIVA_ASSIGN)
 811                 cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
 812                         DIVA_ISA_LED_A : DIVA_PCI_LED_A;
 813         else {
 814                 cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
 815                         DIVA_ISA_LED_A : DIVA_PCI_LED_A;
 816                 blink = 250;
 817         }
 818         if (cs->hw.diva.status & 0xf000)
 819                 cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
 820                         DIVA_ISA_LED_B : DIVA_PCI_LED_B;
 821         else if (cs->hw.diva.status & 0x0f00) {
 822                 cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
 823                         DIVA_ISA_LED_B : DIVA_PCI_LED_B;
 824                 blink = 500;
 825         } else
 826                 cs->hw.diva.ctrl_reg &= ~((DIVA_ISA == cs->subtyp) ?
 827                         DIVA_ISA_LED_B : DIVA_PCI_LED_B);
 828
 829         byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
 830         if (blink) {
 831                 init_timer(&cs->hw.diva.tl);
 832                 cs->hw.diva.tl.expires = jiffies + ((blink * HZ) / 1000);
 833                 add_timer(&cs->hw.diva.tl);
 834         }
 835 }
 836
 837 static int
 838 Diva_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 839 {
 840         u_int *ireg;
 841         u_long flags;
 842
 843         switch (mt) {
 844                 case CARD_RESET:
 845                         spin_lock_irqsave(&cs->lock, flags);
 846                         reset_diva(cs);
 847                         spin_unlock_irqrestore(&cs->lock, flags);
 848                         return(0);
 849                 case CARD_RELEASE:
 850                         release_io_diva(cs);
 851                         return(0);
 852                 case CARD_INIT:
 853                         spin_lock_irqsave(&cs->lock, flags);
 854                         reset_diva(cs);
 855                         if (cs->subtyp == DIVA_IPACX_PCI) {
 856                                 ireg = (unsigned int *)cs->hw.diva.pci_cfg;
 857                                 *ireg = PITA_INT0_ENABLE;
 858                                 init_ipacx(cs, 3); // init chip and enable interrupts
 859                                 spin_unlock_irqrestore(&cs->lock, flags);
 860                                 return (0);
 861                         }
 862                         if (cs->subtyp == DIVA_IPAC_PCI) {
 863                                 ireg = (unsigned int *)cs->hw.diva.pci_cfg;
 864                                 *ireg = PITA_INT0_ENABLE;
 865                         }
 866                         inithscxisac(cs, 3);
 867                         spin_unlock_irqrestore(&cs->lock, flags);
 868                         return(0);
 869                 case CARD_TEST:
 870                         return(0);
 871                 case (MDL_REMOVE | REQUEST):
 872                         cs->hw.diva.status = 0;
 873                         break;
 874                 case (MDL_ASSIGN | REQUEST):
 875                         cs->hw.diva.status |= DIVA_ASSIGN;
 876                         break;
 877                 case MDL_INFO_SETUP:
 878                         if ((long)arg)
 879                                 cs->hw.diva.status |=  0x0200;
 880                         else
 881                                 cs->hw.diva.status |=  0x0100;
 882                         break;
 883                 case MDL_INFO_CONN:
 884                         if ((long)arg)
 885                                 cs->hw.diva.status |=  0x2000;
 886                         else
 887                                 cs->hw.diva.status |=  0x1000;
 888                         break;
 889                 case MDL_INFO_REL:
 890                         if ((long)arg) {
 891                                 cs->hw.diva.status &=  ~0x2000;
 892                                 cs->hw.diva.status &=  ~0x0200;
 893                         } else {
 894                                 cs->hw.diva.status &=  ~0x1000;
 895                                 cs->hw.diva.status &=  ~0x0100;
 896                         }
 897                         break;
 898         }
 899         if ((cs->subtyp != DIVA_IPAC_ISA) &&
 900             (cs->subtyp != DIVA_IPAC_PCI) &&
 901             (cs->subtyp != DIVA_IPACX_PCI)) {
 902                 spin_lock_irqsave(&cs->lock, flags);
 903                 diva_led_handler(cs);
 904                 spin_unlock_irqrestore(&cs->lock, flags);
 905         }
 906         return(0);
 907 }
 908
 909 static struct pci_dev *dev_diva __devinitdata = NULL;
 910 static struct pci_dev *dev_diva_u __devinitdata = NULL;
 911 static struct pci_dev *dev_diva201 __devinitdata = NULL;
 912 static struct pci_dev *dev_diva202 __devinitdata = NULL;
 913
 914 #ifdef __ISAPNP__
 915 static struct isapnp_device_id diva_ids[] __devinitdata = {
 916         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
 917           ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
 918           (unsigned long) "Diva picola" },
 919         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
 920           ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x51),
 921           (unsigned long) "Diva picola" },
 922         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
 923           ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
 924           (unsigned long) "Diva 2.0" },
 925         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
 926           ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x71),
 927           (unsigned long) "Diva 2.0" },
 928         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
 929           ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
 930           (unsigned long) "Diva 2.01" },
 931         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
 932           ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0xA1),
 933           (unsigned long) "Diva 2.01" },
 934         { 0, }
 935 };
 936
 937 static struct isapnp_device_id *ipid __devinitdata = &diva_ids[0];
 938 static struct pnp_card *pnp_c __devinitdata = NULL;
 939 #endif
 940
 941
 942 int __devinit
 943 setup_diva(struct IsdnCard *card)
 944 {
 945         int bytecnt = 8;
 946         u_char val;
 947         struct IsdnCardState *cs = card->cs;
 948         char tmp[64];
 949
 950         strcpy(tmp, Diva_revision);
 951         printk(KERN_INFO "HiSax: Eicon.Diehl Diva driver Rev. %s\n", HiSax_getrev(tmp));
 952         if (cs->typ != ISDN_CTYPE_DIEHLDIVA)
 953                 return(0);
 954         cs->hw.diva.status = 0;
 955         if (card->para[1]) {
 956                 cs->hw.diva.ctrl_reg = 0;
 957                 cs->hw.diva.cfg_reg = card->para[1];
 958                 val = readreg(cs->hw.diva.cfg_reg + DIVA_IPAC_ADR,
 959                         cs->hw.diva.cfg_reg + DIVA_IPAC_DATA, IPAC_ID);
 960                 printk(KERN_INFO "Diva: IPAC version %x\n", val);
 961                 if ((val == 1) || (val==2)) {
 962                         cs->subtyp = DIVA_IPAC_ISA;
 963                         cs->hw.diva.ctrl = 0;
 964                         cs->hw.diva.isac = card->para[1] + DIVA_IPAC_DATA;
 965                         cs->hw.diva.hscx = card->para[1] + DIVA_IPAC_DATA;
 966                         cs->hw.diva.isac_adr = card->para[1] + DIVA_IPAC_ADR;
 967                         cs->hw.diva.hscx_adr = card->para[1] + DIVA_IPAC_ADR;
 968                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
 969                 } else {
 970                         cs->subtyp = DIVA_ISA;
 971                         cs->hw.diva.ctrl = card->para[1] + DIVA_ISA_CTRL;
 972                         cs->hw.diva.isac = card->para[1] + DIVA_ISA_ISAC_DATA;
 973                         cs->hw.diva.hscx = card->para[1] + DIVA_HSCX_DATA;
 974                         cs->hw.diva.isac_adr = card->para[1] + DIVA_ISA_ISAC_ADR;
 975                         cs->hw.diva.hscx_adr = card->para[1] + DIVA_HSCX_ADR;
 976                 }
 977                 cs->irq = card->para[0];
 978         } else {
 979 #ifdef __ISAPNP__
 980                 if (isapnp_present()) {
 981                         struct pnp_dev *pnp_d;
 982                         while(ipid->card_vendor) {
 983                                 if ((pnp_c = pnp_find_card(ipid->card_vendor,
 984                                         ipid->card_device, pnp_c))) {
 985                                         pnp_d = NULL;
 986                                         if ((pnp_d = pnp_find_dev(pnp_c,
 987                                                 ipid->vendor, ipid->function, pnp_d))) {
 988                                                 int err;
 989
 990                                                 printk(KERN_INFO "HiSax: %s detected\n",
 991                                                         (char *)ipid->driver_data);
 992                                                 pnp_disable_dev(pnp_d);
 993                                                 err = pnp_activate_dev(pnp_d);
 994                                                 if (err<0) {
 995                                                         printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
 996                                                                 __FUNCTION__, err);
 997                                                         return(0);
 998                                                 }
 999                                                 card->para[1] = pnp_port_start(pnp_d, 0);
1000                                                 card->para[0] = pnp_irq(pnp_d, 0);
1001                                                 if (!card->para[0] || !card->para[1]) {
1002                                                         printk(KERN_ERR "Diva PnP:some resources are missing %ld/%lx\n",
1003                                                                 card->para[0], card->para[1]);
1004                                                         pnp_disable_dev(pnp_d);
1005                                                         return(0);
1006                                                 }
1007                                                 cs->hw.diva.cfg_reg  = card->para[1];
1008                                                 cs->irq = card->para[0];
1009                                                 if (ipid->function == ISAPNP_FUNCTION(0xA1)) {
1010                                                         cs->subtyp = DIVA_IPAC_ISA;
1011                                                         cs->hw.diva.ctrl = 0;
1012                                                         cs->hw.diva.isac =
1013                                                                 card->para[1] + DIVA_IPAC_DATA;
1014                                                         cs->hw.diva.hscx =
1015                                                                 card->para[1] + DIVA_IPAC_DATA;
1016                                                         cs->hw.diva.isac_adr =
1017                                                                 card->para[1] + DIVA_IPAC_ADR;
1018                                                         cs->hw.diva.hscx_adr =
1019                                                                 card->para[1] + DIVA_IPAC_ADR;
1020                                                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1021                                                 } else {
1022                                                         cs->subtyp = DIVA_ISA;
1023                                                         cs->hw.diva.ctrl =
1024                                                                 card->para[1] + DIVA_ISA_CTRL;
1025                                                         cs->hw.diva.isac =
1026                                                                 card->para[1] + DIVA_ISA_ISAC_DATA;
1027                                                         cs->hw.diva.hscx =
1028                                                                 card->para[1] + DIVA_HSCX_DATA;
1029                                                         cs->hw.diva.isac_adr =
1030                                                                 card->para[1] + DIVA_ISA_ISAC_ADR;
1031                                                         cs->hw.diva.hscx_adr =
1032                                                                 card->para[1] + DIVA_HSCX_ADR;
1033                                                 }
1034                                                 goto ready;
1035                                         } else {
1036                                                 printk(KERN_ERR "Diva PnP: PnP error card found, no device\n");
1037                                                 return(0);
1038                                         }
1039                                 }
1040                                 ipid++;
1041                                 pnp_c=NULL;
1042                         }
1043                         if (!ipid->card_vendor) {
1044                                 printk(KERN_INFO "Diva PnP: no ISAPnP card found\n");
1045                         }
1046                 }
1047 #endif
1048 #ifdef CONFIG_PCI
1049                 cs->subtyp = 0;
1050                 if ((dev_diva = pci_find_device(PCI_VENDOR_ID_EICON,
1051                         PCI_DEVICE_ID_EICON_DIVA20, dev_diva))) {
1052                         if (pci_enable_device(dev_diva))
1053                                 return(0);
1054                         cs->subtyp = DIVA_PCI;
1055                         cs->irq = dev_diva->irq;
1056                         cs->hw.diva.cfg_reg = pci_resource_start(dev_diva, 2);
1057                 } else if ((dev_diva_u = pci_find_device(PCI_VENDOR_ID_EICON,
1058                         PCI_DEVICE_ID_EICON_DIVA20_U, dev_diva_u))) {
1059                         if (pci_enable_device(dev_diva_u))
1060                                 return(0);
1061                         cs->subtyp = DIVA_PCI;
1062                         cs->irq = dev_diva_u->irq;
1063                         cs->hw.diva.cfg_reg = pci_resource_start(dev_diva_u, 2);
1064                 } else if ((dev_diva201 = pci_find_device(PCI_VENDOR_ID_EICON,
1065                         PCI_DEVICE_ID_EICON_DIVA201, dev_diva201))) {
1066                         if (pci_enable_device(dev_diva201))
1067                                 return(0);
1068                         cs->subtyp = DIVA_IPAC_PCI;
1069                         cs->irq = dev_diva201->irq;
1070                         cs->hw.diva.pci_cfg =
1071                                 (ulong) ioremap(pci_resource_start(dev_diva201, 0), 4096);
1072                         cs->hw.diva.cfg_reg =
1073                                 (ulong) ioremap(pci_resource_start(dev_diva201, 1), 4096);
1074                 } else if ((dev_diva202 = pci_find_device(PCI_VENDOR_ID_EICON,
1075                         PCI_DEVICE_ID_EICON_DIVA202, dev_diva202))) {
1076                         if (pci_enable_device(dev_diva202))
1077                                 return(0);
1078                         cs->subtyp = DIVA_IPACX_PCI;
1079                         cs->irq = dev_diva202->irq;
1080                         cs->hw.diva.pci_cfg =
1081                                 (ulong) ioremap(pci_resource_start(dev_diva202, 0), 4096);
1082                         cs->hw.diva.cfg_reg =
1083                                 (ulong) ioremap(pci_resource_start(dev_diva202, 1), 4096);
1084                 } else {
1085                         printk(KERN_WARNING "Diva: No PCI card found\n");
1086                         return(0);
1087                 }
1088
1089                 if (!cs->irq) {
1090                         printk(KERN_WARNING "Diva: No IRQ for PCI card found\n");
1091                         iounmap_diva(cs);
1092                         return(0);
1093                 }
1094
1095                 if (!cs->hw.diva.cfg_reg) {
1096                         printk(KERN_WARNING "Diva: No IO-Adr for PCI card found\n");
1097                         iounmap_diva(cs);
1098                         return(0);
1099                 }
1100                 cs->irq_flags |= IRQF_SHARED;
1101 #else
1102                 printk(KERN_WARNING "Diva: cfgreg 0 and NO_PCI_BIOS\n");
1103                 printk(KERN_WARNING "Diva: unable to config DIVA PCI\n");
1104                 return (0);
1105 #endif /* CONFIG_PCI */
1106                 if ((cs->subtyp == DIVA_IPAC_PCI) ||
1107                     (cs->subtyp == DIVA_IPACX_PCI)   ) {
1108                         cs->hw.diva.ctrl = 0;
1109                         cs->hw.diva.isac = 0;
1110                         cs->hw.diva.hscx = 0;
1111                         cs->hw.diva.isac_adr = 0;
1112                         cs->hw.diva.hscx_adr = 0;
1113                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1114                         bytecnt = 0;
1115                 } else {
1116                         cs->hw.diva.ctrl = cs->hw.diva.cfg_reg + DIVA_PCI_CTRL;
1117                         cs->hw.diva.isac = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_DATA;
1118                         cs->hw.diva.hscx = cs->hw.diva.cfg_reg + DIVA_HSCX_DATA;
1119                         cs->hw.diva.isac_adr = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_ADR;
1120                         cs->hw.diva.hscx_adr = cs->hw.diva.cfg_reg + DIVA_HSCX_ADR;
1121                         bytecnt = 32;
1122                 }
1123         }
1124 ready:
1125         printk(KERN_INFO
1126                 "Diva: %s card configured at %#lx IRQ %d\n",
1127                 (cs->subtyp == DIVA_PCI) ? "PCI" :
1128                 (cs->subtyp == DIVA_ISA) ? "ISA" :
1129                 (cs->subtyp == DIVA_IPAC_ISA) ? "IPAC ISA" :
1130                 (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
1131                 cs->hw.diva.cfg_reg, cs->irq);
1132         if ((cs->subtyp == DIVA_IPAC_PCI)  ||
1133             (cs->subtyp == DIVA_IPACX_PCI) ||
1134             (cs->subtyp == DIVA_PCI)         )
1135                 printk(KERN_INFO "Diva: %s space at %#lx\n",
1136                         (cs->subtyp == DIVA_PCI) ? "PCI" :
1137                         (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
1138                         cs->hw.diva.pci_cfg);
1139         if ((cs->subtyp != DIVA_IPAC_PCI) &&
1140             (cs->subtyp != DIVA_IPACX_PCI)   ) {
1141                 if (!request_region(cs->hw.diva.cfg_reg, bytecnt, "diva isdn")) {
1142                         printk(KERN_WARNING
1143                                "HiSax: %s config port %lx-%lx already in use\n",
1144                                CardType[card->typ],
1145                                cs->hw.diva.cfg_reg,
1146                                cs->hw.diva.cfg_reg + bytecnt);
1147                         iounmap_diva(cs);
1148                         return (0);
1149                 }
1150         }
1151         cs->BC_Read_Reg  = &ReadHSCX;
1152         cs->BC_Write_Reg = &WriteHSCX;
1153         cs->BC_Send_Data = &hscx_fill_fifo;
1154         cs->cardmsg = &Diva_card_msg;
1155         setup_isac(cs);
1156         if (cs->subtyp == DIVA_IPAC_ISA) {
1157                 cs->readisac  = &ReadISAC_IPAC;
1158                 cs->writeisac = &WriteISAC_IPAC;
1159                 cs->readisacfifo  = &ReadISACfifo_IPAC;
1160                 cs->writeisacfifo = &WriteISACfifo_IPAC;
1161                 cs->irq_func = &diva_irq_ipac_isa;
1162                 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ID);
1163                 printk(KERN_INFO "Diva: IPAC version %x\n", val);
1164         } else if (cs->subtyp == DIVA_IPAC_PCI) {
1165                 cs->readisac  = &MemReadISAC_IPAC;
1166                 cs->writeisac = &MemWriteISAC_IPAC;
1167                 cs->readisacfifo  = &MemReadISACfifo_IPAC;
1168                 cs->writeisacfifo = &MemWriteISACfifo_IPAC;
1169                 cs->BC_Read_Reg  = &MemReadHSCX;
1170                 cs->BC_Write_Reg = &MemWriteHSCX;
1171                 cs->BC_Send_Data = &Memhscx_fill_fifo;
1172                 cs->irq_func = &diva_irq_ipac_pci;
1173                 val = memreadreg(cs->hw.diva.cfg_reg, IPAC_ID);
1174                 printk(KERN_INFO "Diva: IPAC version %x\n", val);
1175         } else if (cs->subtyp == DIVA_IPACX_PCI) {
1176                 cs->readisac  = &MemReadISAC_IPACX;
1177                 cs->writeisac = &MemWriteISAC_IPACX;
1178                 cs->readisacfifo  = &MemReadISACfifo_IPACX;
1179                 cs->writeisacfifo = &MemWriteISACfifo_IPACX;
1180                 cs->BC_Read_Reg  = &MemReadHSCX_IPACX;
1181                 cs->BC_Write_Reg = &MemWriteHSCX_IPACX;
1182                 cs->BC_Send_Data = NULL; // function located in ipacx module
1183                 cs->irq_func = &diva_irq_ipacx_pci;
1184                 printk(KERN_INFO "Diva: IPACX Design Id: %x\n",
1185                         MemReadISAC_IPACX(cs, IPACX_ID) &0x3F);
1186         } else { /* DIVA 2.0 */
1187                 cs->hw.diva.tl.function = (void *) diva_led_handler;
1188                 cs->hw.diva.tl.data = (long) cs;
1189                 init_timer(&cs->hw.diva.tl);
1190                 cs->readisac  = &ReadISAC;
1191                 cs->writeisac = &WriteISAC;
1192                 cs->readisacfifo  = &ReadISACfifo;
1193                 cs->writeisacfifo = &WriteISACfifo;
1194                 cs->irq_func = &diva_interrupt;
1195                 ISACVersion(cs, "Diva:");
1196                 if (HscxVersion(cs, "Diva:")) {
1197                         printk(KERN_WARNING
1198                        "Diva: wrong HSCX versions check IO address\n");
1199                         release_io_diva(cs);
1200                         return (0);
1201                 }
1202         }
1203         return (1);
1204 }