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 static const char *Diva_revision = "$Revision: 1.33.2.6 $";
  29
  30 #define byteout(addr, val) outb(val, addr)
  31 #define bytein(addr) inb(addr)
  32
  33 #define DIVA_HSCX_DATA          0
  34 #define DIVA_HSCX_ADR           4
  35 #define DIVA_ISA_ISAC_DATA      2
  36 #define DIVA_ISA_ISAC_ADR       6
  37 #define DIVA_ISA_CTRL           7
  38 #define DIVA_IPAC_ADR           0
  39 #define DIVA_IPAC_DATA          1
  40
  41 #define DIVA_PCI_ISAC_DATA      8
  42 #define DIVA_PCI_ISAC_ADR       0xc
  43 #define DIVA_PCI_CTRL           0x10
  44
  45 /* SUB Types */
  46 #define DIVA_ISA        1
  47 #define DIVA_PCI        2
  48 #define DIVA_IPAC_ISA   3
  49 #define DIVA_IPAC_PCI   4
  50 #define DIVA_IPACX_PCI  5
  51
  52 /* CTRL (Read) */
  53 #define DIVA_IRQ_STAT   0x01
  54 #define DIVA_EEPROM_SDA 0x02
  55
  56 /* CTRL (Write) */
  57 #define DIVA_IRQ_REQ    0x01
  58 #define DIVA_RESET      0x08
  59 #define DIVA_EEPROM_CLK 0x40
  60 #define DIVA_PCI_LED_A  0x10
  61 #define DIVA_PCI_LED_B  0x20
  62 #define DIVA_ISA_LED_A  0x20
  63 #define DIVA_ISA_LED_B  0x40
  64 #define DIVA_IRQ_CLR    0x80
  65
  66 /* Siemens PITA */
  67 #define PITA_MISC_REG           0x1c
  68 #ifdef __BIG_ENDIAN
  69 #define PITA_PARA_SOFTRESET     0x00000001
  70 #define PITA_SER_SOFTRESET      0x00000002
  71 #define PITA_PARA_MPX_MODE      0x00000004
  72 #define PITA_INT0_ENABLE        0x00000200
  73 #else
  74 #define PITA_PARA_SOFTRESET     0x01000000
  75 #define PITA_SER_SOFTRESET      0x02000000
  76 #define PITA_PARA_MPX_MODE      0x04000000
  77 #define PITA_INT0_ENABLE        0x00020000
  78 #endif
  79 #define PITA_INT0_STATUS        0x02
  80
  81 static inline u_char
  82 readreg(unsigned int ale, unsigned int adr, u_char off)
  83 {
  84         register u_char ret;
  85
  86         byteout(ale, off);
  87         ret = bytein(adr);
  88         return (ret);
  89 }
  90
  91 static inline void
  92 readfifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
  93 {
  94         byteout(ale, off);
  95         insb(adr, data, size);
  96 }
  97
  98
  99 static inline void
 100 writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
 101 {
 102         byteout(ale, off);
 103         byteout(adr, data);
 104 }
 105
 106 static inline void
 107 writefifo(unsigned int ale, unsigned int adr, u_char off, u_char *data, int size)
 108 {
 109         byteout(ale, off);
 110         outsb(adr, data, size);
 111 }
 112
 113 static inline u_char
 114 memreadreg(unsigned long adr, u_char off)
 115 {
 116         return (*((unsigned char *)
 117                  (((unsigned int *)adr) + off)));
 118 }
 119
 120 static inline void
 121 memwritereg(unsigned long adr, u_char off, u_char data)
 122 {
 123         register u_char *p;
 124
 125         p = (unsigned char *)(((unsigned int *)adr) + off);
 126         *p = data;
 127 }
 128
 129 /* Interface functions */
 130
 131 static u_char
 132 ReadISAC(struct IsdnCardState *cs, u_char offset)
 133 {
 134         return (readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset));
 135 }
 136
 137 static void
 138 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
 139 {
 140         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset, value);
 141 }
 142
 143 static void
 144 ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 145 {
 146         readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
 147 }
 148
 149 static void
 150 WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 151 {
 152         writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0, data, size);
 153 }
 154
 155 static u_char
 156 ReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
 157 {
 158         return (readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset + 0x80));
 159 }
 160
 161 static void
 162 WriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
 163 {
 164         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, offset | 0x80, value);
 165 }
 166
 167 static void
 168 ReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
 169 {
 170         readfifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
 171 }
 172
 173 static void
 174 WriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
 175 {
 176         writefifo(cs->hw.diva.isac_adr, cs->hw.diva.isac, 0x80, data, size);
 177 }
 178
 179 static u_char
 180 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
 181 {
 182         return (readreg(cs->hw.diva.hscx_adr,
 183                        cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0)));
 184 }
 185
 186 static void
 187 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 188 {
 189         writereg(cs->hw.diva.hscx_adr,
 190                  cs->hw.diva.hscx, offset + (hscx ? 0x40 : 0), value);
 191 }
 192
 193 static u_char
 194 MemReadISAC_IPAC(struct IsdnCardState *cs, u_char offset)
 195 {
 196         return (memreadreg(cs->hw.diva.cfg_reg, offset + 0x80));
 197 }
 198
 199 static void
 200 MemWriteISAC_IPAC(struct IsdnCardState *cs, u_char offset, u_char value)
 201 {
 202         memwritereg(cs->hw.diva.cfg_reg, offset | 0x80, value);
 203 }
 204
 205 static void
 206 MemReadISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
 207 {
 208         while (size--)
 209                 *data++ = memreadreg(cs->hw.diva.cfg_reg, 0x80);
 210 }
 211
 212 static void
 213 MemWriteISACfifo_IPAC(struct IsdnCardState *cs, u_char *data, int size)
 214 {
 215         while (size--)
 216                 memwritereg(cs->hw.diva.cfg_reg, 0x80, *data++);
 217 }
 218
 219 static u_char
 220 MemReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
 221 {
 222         return (memreadreg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0)));
 223 }
 224
 225 static void
 226 MemWriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 227 {
 228         memwritereg(cs->hw.diva.cfg_reg, offset + (hscx ? 0x40 : 0), value);
 229 }
 230
 231 /* IO-Functions for IPACX type cards */
 232 static u_char
 233 MemReadISAC_IPACX(struct IsdnCardState *cs, u_char offset)
 234 {
 235         return (memreadreg(cs->hw.diva.cfg_reg, offset));
 236 }
 237
 238 static void
 239 MemWriteISAC_IPACX(struct IsdnCardState *cs, u_char offset, u_char value)
 240 {
 241         memwritereg(cs->hw.diva.cfg_reg, offset, value);
 242 }
 243
 244 static void
 245 MemReadISACfifo_IPACX(struct IsdnCardState *cs, u_char *data, int size)
 246 {
 247         while (size--)
 248                 *data++ = memreadreg(cs->hw.diva.cfg_reg, 0);
 249 }
 250
 251 static void
 252 MemWriteISACfifo_IPACX(struct IsdnCardState *cs, u_char *data, int size)
 253 {
 254         while (size--)
 255                 memwritereg(cs->hw.diva.cfg_reg, 0, *data++);
 256 }
 257
 258 static u_char
 259 MemReadHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset)
 260 {
 261         return (memreadreg(cs->hw.diva.cfg_reg, offset +
 262                           (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1)));
 263 }
 264
 265 static void
 266 MemWriteHSCX_IPACX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 267 {
 268         memwritereg(cs->hw.diva.cfg_reg, offset +
 269                     (hscx ? IPACX_OFF_B2 : IPACX_OFF_B1), value);
 270 }
 271
 272 /*
 273  * fast interrupt HSCX stuff goes here
 274  */
 275
 276 #define READHSCX(cs, nr, reg) readreg(cs->hw.diva.hscx_adr,             \
 277                                       cs->hw.diva.hscx, reg + (nr ? 0x40 : 0))
 278 #define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.diva.hscx_adr,     \
 279                                               cs->hw.diva.hscx, reg + (nr ? 0x40 : 0), data)
 280
 281 #define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.diva.hscx_adr,   \
 282                                                 cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
 283
 284 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.diva.hscx_adr, \
 285                                                   cs->hw.diva.hscx, (nr ? 0x40 : 0), ptr, cnt)
 286
 287 #include "hscx_irq.c"
 288
 289 static irqreturn_t
 290 diva_interrupt(int intno, void *dev_id)
 291 {
 292         struct IsdnCardState *cs = dev_id;
 293         u_char val, sval;
 294         u_long flags;
 295         int cnt = 5;
 296
 297         spin_lock_irqsave(&cs->lock, flags);
 298         while (((sval = bytein(cs->hw.diva.ctrl)) & DIVA_IRQ_REQ) && cnt) {
 299                 val = readreg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_ISTA + 0x40);
 300                 if (val)
 301                         hscx_int_main(cs, val);
 302                 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA);
 303                 if (val)
 304                         isac_interrupt(cs, val);
 305                 cnt--;
 306         }
 307         if (!cnt)
 308                 printk(KERN_WARNING "Diva: IRQ LOOP\n");
 309         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0xFF);
 310         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0xFF);
 311         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0xFF);
 312         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_MASK, 0x0);
 313         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK, 0x0);
 314         writereg(cs->hw.diva.hscx_adr, cs->hw.diva.hscx, HSCX_MASK + 0x40, 0x0);
 315         spin_unlock_irqrestore(&cs->lock, flags);
 316         return IRQ_HANDLED;
 317 }
 318
 319 static irqreturn_t
 320 diva_irq_ipac_isa(int intno, void *dev_id)
 321 {
 322         struct IsdnCardState *cs = dev_id;
 323         u_char ista, val;
 324         u_long flags;
 325         int icnt = 5;
 326
 327         spin_lock_irqsave(&cs->lock, flags);
 328         ista = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
 329 Start_IPACISA:
 330         if (cs->debug & L1_DEB_IPAC)
 331                 debugl1(cs, "IPAC ISTA %02X", ista);
 332         if (ista & 0x0f) {
 333                 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, HSCX_ISTA + 0x40);
 334                 if (ista & 0x01)
 335                         val |= 0x01;
 336                 if (ista & 0x04)
 337                         val |= 0x02;
 338                 if (ista & 0x08)
 339                         val |= 0x04;
 340                 if (val)
 341                         hscx_int_main(cs, val);
 342         }
 343         if (ista & 0x20) {
 344                 val = 0xfe & readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, ISAC_ISTA + 0x80);
 345                 if (val) {
 346                         isac_interrupt(cs, val);
 347                 }
 348         }
 349         if (ista & 0x10) {
 350                 val = 0x01;
 351                 isac_interrupt(cs, val);
 352         }
 353         ista  = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ISTA);
 354         if ((ista & 0x3f) && icnt) {
 355                 icnt--;
 356                 goto Start_IPACISA;
 357         }
 358         if (!icnt)
 359                 printk(KERN_WARNING "DIVA IPAC IRQ LOOP\n");
 360         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xFF);
 361         writereg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_MASK, 0xC0);
 362         spin_unlock_irqrestore(&cs->lock, flags);
 363         return IRQ_HANDLED;
 364 }
 365
 366 static inline void
 367 MemwaitforCEC(struct IsdnCardState *cs, int hscx)
 368 {
 369         int to = 50;
 370
 371         while ((MemReadHSCX(cs, hscx, HSCX_STAR) & 0x04) && to) {
 372                 udelay(1);
 373                 to--;
 374         }
 375         if (!to)
 376                 printk(KERN_WARNING "HiSax: waitforCEC timeout\n");
 377 }
 378
 379
 380 static inline void
 381 MemwaitforXFW(struct IsdnCardState *cs, int hscx)
 382 {
 383         int to = 50;
 384
 385         while (((MemReadHSCX(cs, hscx, HSCX_STAR) & 0x44) != 0x40) && to) {
 386                 udelay(1);
 387                 to--;
 388         }
 389         if (!to)
 390                 printk(KERN_WARNING "HiSax: waitforXFW timeout\n");
 391 }
 392
 393 static inline void
 394 MemWriteHSCXCMDR(struct IsdnCardState *cs, int hscx, u_char data)
 395 {
 396         MemwaitforCEC(cs, hscx);
 397         MemWriteHSCX(cs, hscx, HSCX_CMDR, data);
 398 }
 399
 400 static void
 401 Memhscx_empty_fifo(struct BCState *bcs, int count)
 402 {
 403         u_char *ptr;
 404         struct IsdnCardState *cs = bcs->cs;
 405         int cnt;
 406
 407         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
 408                 debugl1(cs, "hscx_empty_fifo");
 409
 410         if (bcs->hw.hscx.rcvidx + count > HSCX_BUFMAX) {
 411                 if (cs->debug & L1_DEB_WARN)
 412                         debugl1(cs, "hscx_empty_fifo: incoming packet too large");
 413                 MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
 414                 bcs->hw.hscx.rcvidx = 0;
 415                 return;
 416         }
 417         ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
 418         cnt = count;
 419         while (cnt--)
 420                 *ptr++ = memreadreg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0);
 421         MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, 0x80);
 422         ptr = bcs->hw.hscx.rcvbuf + bcs->hw.hscx.rcvidx;
 423         bcs->hw.hscx.rcvidx += count;
 424         if (cs->debug & L1_DEB_HSCX_FIFO) {
 425                 char *t = bcs->blog;
 426
 427                 t += sprintf(t, "hscx_empty_fifo %c cnt %d",
 428                              bcs->hw.hscx.hscx ? 'B' : 'A', count);
 429                 QuickHex(t, ptr, count);
 430                 debugl1(cs, "%s", bcs->blog);
 431         }
 432 }
 433
 434 static void
 435 Memhscx_fill_fifo(struct BCState *bcs)
 436 {
 437         struct IsdnCardState *cs = bcs->cs;
 438         int more, count, cnt;
 439         int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags) ? 64 : 32;
 440         u_char *ptr, *p;
 441
 442         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
 443                 debugl1(cs, "hscx_fill_fifo");
 444
 445         if (!bcs->tx_skb)
 446                 return;
 447         if (bcs->tx_skb->len <= 0)
 448                 return;
 449
 450         more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
 451         if (bcs->tx_skb->len > fifo_size) {
 452                 more = !0;
 453                 count = fifo_size;
 454         } else
 455                 count = bcs->tx_skb->len;
 456         cnt = count;
 457         MemwaitforXFW(cs, bcs->hw.hscx.hscx);
 458         p = ptr = bcs->tx_skb->data;
 459         skb_pull(bcs->tx_skb, count);
 460         bcs->tx_cnt -= count;
 461         bcs->hw.hscx.count += count;
 462         while (cnt--)
 463                 memwritereg(cs->hw.diva.cfg_reg, bcs->hw.hscx.hscx ? 0x40 : 0,
 464                             *p++);
 465         MemWriteHSCXCMDR(cs, bcs->hw.hscx.hscx, more ? 0x8 : 0xa);
 466         if (cs->debug & L1_DEB_HSCX_FIFO) {
 467                 char *t = bcs->blog;
 468
 469                 t += sprintf(t, "hscx_fill_fifo %c cnt %d",
 470                              bcs->hw.hscx.hscx ? 'B' : 'A', count);
 471                 QuickHex(t, ptr, count);
 472                 debugl1(cs, "%s", bcs->blog);
 473         }
 474 }
 475
 476 static void
 477 Memhscx_interrupt(struct IsdnCardState *cs, u_char val, u_char hscx)
 478 {
 479         u_char r;
 480         struct BCState *bcs = cs->bcs + hscx;
 481         struct sk_buff *skb;
 482         int fifo_size = test_bit(HW_IPAC, &cs->HW_Flags) ? 64 : 32;
 483         int count;
 484
 485         if (!test_bit(BC_FLG_INIT, &bcs->Flag))
 486                 return;
 487
 488         if (val & 0x80) {       /* RME */
 489                 r = MemReadHSCX(cs, hscx, HSCX_RSTA);
 490                 if ((r & 0xf0) != 0xa0) {
 491                         if (!(r & 0x80))
 492                                 if (cs->debug & L1_DEB_WARN)
 493                                         debugl1(cs, "HSCX invalid frame");
 494                         if ((r & 0x40) && bcs->mode)
 495                                 if (cs->debug & L1_DEB_WARN)
 496                                         debugl1(cs, "HSCX RDO mode=%d",
 497                                                 bcs->mode);
 498                         if (!(r & 0x20))
 499                                 if (cs->debug & L1_DEB_WARN)
 500                                         debugl1(cs, "HSCX CRC error");
 501                         MemWriteHSCXCMDR(cs, hscx, 0x80);
 502                 } else {
 503                         count = MemReadHSCX(cs, hscx, HSCX_RBCL) & (
 504                                 test_bit(HW_IPAC, &cs->HW_Flags) ? 0x3f : 0x1f);
 505                         if (count == 0)
 506                                 count = fifo_size;
 507                         Memhscx_empty_fifo(bcs, count);
 508                         if ((count = bcs->hw.hscx.rcvidx - 1) > 0) {
 509                                 if (cs->debug & L1_DEB_HSCX_FIFO)
 510                                         debugl1(cs, "HX Frame %d", count);
 511                                 if (!(skb = dev_alloc_skb(count)))
 512                                         printk(KERN_WARNING "HSCX: receive out of memory\n");
 513                                 else {
 514                                         skb_put_data(skb, bcs->hw.hscx.rcvbuf,
 515                                                      count);
 516                                         skb_queue_tail(&bcs->rqueue, skb);
 517                                 }
 518                         }
 519                 }
 520                 bcs->hw.hscx.rcvidx = 0;
 521                 schedule_event(bcs, B_RCVBUFREADY);
 522         }
 523         if (val & 0x40) {       /* RPF */
 524                 Memhscx_empty_fifo(bcs, fifo_size);
 525                 if (bcs->mode == L1_MODE_TRANS) {
 526                         /* receive audio data */
 527                         if (!(skb = dev_alloc_skb(fifo_size)))
 528                                 printk(KERN_WARNING "HiSax: receive out of memory\n");
 529                         else {
 530                                 skb_put_data(skb, bcs->hw.hscx.rcvbuf,
 531                                              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 timer_list *t)
 802 {
 803         struct IsdnCardState *cs = from_timer(cs, t, hw.diva.tl);
 804         int blink = 0;
 805
 806         if ((cs->subtyp == DIVA_IPAC_ISA) ||
 807             (cs->subtyp == DIVA_IPAC_PCI) ||
 808             (cs->subtyp == DIVA_IPACX_PCI))
 809                 return;
 810         del_timer(&cs->hw.diva.tl);
 811         if (cs->hw.diva.status & DIVA_ASSIGN)
 812                 cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
 813                         DIVA_ISA_LED_A : DIVA_PCI_LED_A;
 814         else {
 815                 cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
 816                         DIVA_ISA_LED_A : DIVA_PCI_LED_A;
 817                 blink = 250;
 818         }
 819         if (cs->hw.diva.status & 0xf000)
 820                 cs->hw.diva.ctrl_reg |= (DIVA_ISA == cs->subtyp) ?
 821                         DIVA_ISA_LED_B : DIVA_PCI_LED_B;
 822         else if (cs->hw.diva.status & 0x0f00) {
 823                 cs->hw.diva.ctrl_reg ^= (DIVA_ISA == cs->subtyp) ?
 824                         DIVA_ISA_LED_B : DIVA_PCI_LED_B;
 825                 blink = 500;
 826         } else
 827                 cs->hw.diva.ctrl_reg &= ~((DIVA_ISA == cs->subtyp) ?
 828                                           DIVA_ISA_LED_B : DIVA_PCI_LED_B);
 829
 830         byteout(cs->hw.diva.ctrl, cs->hw.diva.ctrl_reg);
 831         if (blink) {
 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->hw.diva.tl);
 904                 spin_unlock_irqrestore(&cs->lock, flags);
 905         }
 906         return (0);
 907 }
 908
 909 static int setup_diva_common(struct IsdnCardState *cs)
 910 {
 911         int bytecnt;
 912         u_char val;
 913
 914         if ((cs->subtyp == DIVA_ISA) || (cs->subtyp == DIVA_IPAC_ISA))
 915                 bytecnt = 8;
 916         else
 917                 bytecnt = 32;
 918
 919         printk(KERN_INFO
 920                "Diva: %s card configured at %#lx IRQ %d\n",
 921                (cs->subtyp == DIVA_PCI) ? "PCI" :
 922                (cs->subtyp == DIVA_ISA) ? "ISA" :
 923                (cs->subtyp == DIVA_IPAC_ISA) ? "IPAC ISA" :
 924                (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
 925                cs->hw.diva.cfg_reg, cs->irq);
 926         if ((cs->subtyp == DIVA_IPAC_PCI)  ||
 927             (cs->subtyp == DIVA_IPACX_PCI) ||
 928             (cs->subtyp == DIVA_PCI))
 929                 printk(KERN_INFO "Diva: %s space at %#lx\n",
 930                        (cs->subtyp == DIVA_PCI) ? "PCI" :
 931                        (cs->subtyp == DIVA_IPAC_PCI) ? "IPAC PCI" : "IPACX PCI",
 932                        cs->hw.diva.pci_cfg);
 933         if ((cs->subtyp != DIVA_IPAC_PCI) &&
 934             (cs->subtyp != DIVA_IPACX_PCI)) {
 935                 if (!request_region(cs->hw.diva.cfg_reg, bytecnt, "diva isdn")) {
 936                         printk(KERN_WARNING
 937                                "HiSax: %s config port %lx-%lx already in use\n",
 938                                "diva",
 939                                cs->hw.diva.cfg_reg,
 940                                cs->hw.diva.cfg_reg + bytecnt);
 941                         iounmap_diva(cs);
 942                         return (0);
 943                 }
 944         }
 945         cs->BC_Read_Reg  = &ReadHSCX;
 946         cs->BC_Write_Reg = &WriteHSCX;
 947         cs->BC_Send_Data = &hscx_fill_fifo;
 948         cs->cardmsg = &Diva_card_msg;
 949         setup_isac(cs);
 950         if (cs->subtyp == DIVA_IPAC_ISA) {
 951                 cs->readisac  = &ReadISAC_IPAC;
 952                 cs->writeisac = &WriteISAC_IPAC;
 953                 cs->readisacfifo  = &ReadISACfifo_IPAC;
 954                 cs->writeisacfifo = &WriteISACfifo_IPAC;
 955                 cs->irq_func = &diva_irq_ipac_isa;
 956                 val = readreg(cs->hw.diva.isac_adr, cs->hw.diva.isac, IPAC_ID);
 957                 printk(KERN_INFO "Diva: IPAC version %x\n", val);
 958         } else if (cs->subtyp == DIVA_IPAC_PCI) {
 959                 cs->readisac  = &MemReadISAC_IPAC;
 960                 cs->writeisac = &MemWriteISAC_IPAC;
 961                 cs->readisacfifo  = &MemReadISACfifo_IPAC;
 962                 cs->writeisacfifo = &MemWriteISACfifo_IPAC;
 963                 cs->BC_Read_Reg  = &MemReadHSCX;
 964                 cs->BC_Write_Reg = &MemWriteHSCX;
 965                 cs->BC_Send_Data = &Memhscx_fill_fifo;
 966                 cs->irq_func = &diva_irq_ipac_pci;
 967                 val = memreadreg(cs->hw.diva.cfg_reg, IPAC_ID);
 968                 printk(KERN_INFO "Diva: IPAC version %x\n", val);
 969         } else if (cs->subtyp == DIVA_IPACX_PCI) {
 970                 cs->readisac  = &MemReadISAC_IPACX;
 971                 cs->writeisac = &MemWriteISAC_IPACX;
 972                 cs->readisacfifo  = &MemReadISACfifo_IPACX;
 973                 cs->writeisacfifo = &MemWriteISACfifo_IPACX;
 974                 cs->BC_Read_Reg  = &MemReadHSCX_IPACX;
 975                 cs->BC_Write_Reg = &MemWriteHSCX_IPACX;
 976                 cs->BC_Send_Data = NULL; // function located in ipacx module
 977                 cs->irq_func = &diva_irq_ipacx_pci;
 978                 printk(KERN_INFO "Diva: IPACX Design Id: %x\n",
 979                        MemReadISAC_IPACX(cs, IPACX_ID) & 0x3F);
 980         } else { /* DIVA 2.0 */
 981                 timer_setup(&cs->hw.diva.tl, diva_led_handler, 0);
 982                 cs->readisac  = &ReadISAC;
 983                 cs->writeisac = &WriteISAC;
 984                 cs->readisacfifo  = &ReadISACfifo;
 985                 cs->writeisacfifo = &WriteISACfifo;
 986                 cs->irq_func = &diva_interrupt;
 987                 ISACVersion(cs, "Diva:");
 988                 if (HscxVersion(cs, "Diva:")) {
 989                         printk(KERN_WARNING
 990                                "Diva: wrong HSCX versions check IO address\n");
 991                         release_io_diva(cs);
 992                         return (0);
 993                 }
 994         }
 995         return (1);
 996 }
 997
 998 #ifdef CONFIG_ISA
 999
1000 static int setup_diva_isa(struct IsdnCard *card)
1001 {
1002         struct IsdnCardState *cs = card->cs;
1003         u_char val;
1004
1005         if (!card->para[1])
1006                 return (-1);    /* card not found; continue search */
1007
1008         cs->hw.diva.ctrl_reg = 0;
1009         cs->hw.diva.cfg_reg = card->para[1];
1010         val = readreg(cs->hw.diva.cfg_reg + DIVA_IPAC_ADR,
1011                       cs->hw.diva.cfg_reg + DIVA_IPAC_DATA, IPAC_ID);
1012         printk(KERN_INFO "Diva: IPAC version %x\n", val);
1013         if ((val == 1) || (val == 2)) {
1014                 cs->subtyp = DIVA_IPAC_ISA;
1015                 cs->hw.diva.ctrl = 0;
1016                 cs->hw.diva.isac = card->para[1] + DIVA_IPAC_DATA;
1017                 cs->hw.diva.hscx = card->para[1] + DIVA_IPAC_DATA;
1018                 cs->hw.diva.isac_adr = card->para[1] + DIVA_IPAC_ADR;
1019                 cs->hw.diva.hscx_adr = 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 = card->para[1] + DIVA_ISA_CTRL;
1024                 cs->hw.diva.isac = card->para[1] + DIVA_ISA_ISAC_DATA;
1025                 cs->hw.diva.hscx = card->para[1] + DIVA_HSCX_DATA;
1026                 cs->hw.diva.isac_adr = card->para[1] + DIVA_ISA_ISAC_ADR;
1027                 cs->hw.diva.hscx_adr = card->para[1] + DIVA_HSCX_ADR;
1028         }
1029         cs->irq = card->para[0];
1030
1031         return (1);             /* card found */
1032 }
1033
1034 #else   /* if !CONFIG_ISA */
1035
1036 static int setup_diva_isa(struct IsdnCard *card)
1037 {
1038         return (-1);    /* card not found; continue search */
1039 }
1040
1041 #endif  /* CONFIG_ISA */
1042
1043 #ifdef __ISAPNP__
1044 static struct isapnp_device_id diva_ids[] = {
1045         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
1046           ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
1047           (unsigned long) "Diva picola" },
1048         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x51),
1049           ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x51),
1050           (unsigned long) "Diva picola" },
1051         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
1052           ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
1053           (unsigned long) "Diva 2.0" },
1054         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0x71),
1055           ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0x71),
1056           (unsigned long) "Diva 2.0" },
1057         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
1058           ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
1059           (unsigned long) "Diva 2.01" },
1060         { ISAPNP_VENDOR('G', 'D', 'I'), ISAPNP_FUNCTION(0xA1),
1061           ISAPNP_VENDOR('E', 'I', 'C'), ISAPNP_FUNCTION(0xA1),
1062           (unsigned long) "Diva 2.01" },
1063         { 0, }
1064 };
1065
1066 static struct isapnp_device_id *ipid = &diva_ids[0];
1067 static struct pnp_card *pnp_c = NULL;
1068
1069 static int setup_diva_isapnp(struct IsdnCard *card)
1070 {
1071         struct IsdnCardState *cs = card->cs;
1072         struct pnp_dev *pnp_d;
1073
1074         if (!isapnp_present())
1075                 return (-1);    /* card not found; continue search */
1076
1077         while (ipid->card_vendor) {
1078                 if ((pnp_c = pnp_find_card(ipid->card_vendor,
1079                                            ipid->card_device, pnp_c))) {
1080                         pnp_d = NULL;
1081                         if ((pnp_d = pnp_find_dev(pnp_c,
1082                                                   ipid->vendor, ipid->function, pnp_d))) {
1083                                 int err;
1084
1085                                 printk(KERN_INFO "HiSax: %s detected\n",
1086                                        (char *)ipid->driver_data);
1087                                 pnp_disable_dev(pnp_d);
1088                                 err = pnp_activate_dev(pnp_d);
1089                                 if (err < 0) {
1090                                         printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
1091                                                __func__, err);
1092                                         return (0);
1093                                 }
1094                                 card->para[1] = pnp_port_start(pnp_d, 0);
1095                                 card->para[0] = pnp_irq(pnp_d, 0);
1096                                 if (card->para[0] == -1 || !card->para[1]) {
1097                                         printk(KERN_ERR "Diva PnP:some resources are missing %ld/%lx\n",
1098                                                card->para[0], card->para[1]);
1099                                         pnp_disable_dev(pnp_d);
1100                                         return (0);
1101                                 }
1102                                 cs->hw.diva.cfg_reg  = card->para[1];
1103                                 cs->irq = card->para[0];
1104                                 if (ipid->function == ISAPNP_FUNCTION(0xA1)) {
1105                                         cs->subtyp = DIVA_IPAC_ISA;
1106                                         cs->hw.diva.ctrl = 0;
1107                                         cs->hw.diva.isac =
1108                                                 card->para[1] + DIVA_IPAC_DATA;
1109                                         cs->hw.diva.hscx =
1110                                                 card->para[1] + DIVA_IPAC_DATA;
1111                                         cs->hw.diva.isac_adr =
1112                                                 card->para[1] + DIVA_IPAC_ADR;
1113                                         cs->hw.diva.hscx_adr =
1114                                                 card->para[1] + DIVA_IPAC_ADR;
1115                                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1116                                 } else {
1117                                         cs->subtyp = DIVA_ISA;
1118                                         cs->hw.diva.ctrl =
1119                                                 card->para[1] + DIVA_ISA_CTRL;
1120                                         cs->hw.diva.isac =
1121                                                 card->para[1] + DIVA_ISA_ISAC_DATA;
1122                                         cs->hw.diva.hscx =
1123                                                 card->para[1] + DIVA_HSCX_DATA;
1124                                         cs->hw.diva.isac_adr =
1125                                                 card->para[1] + DIVA_ISA_ISAC_ADR;
1126                                         cs->hw.diva.hscx_adr =
1127                                                 card->para[1] + DIVA_HSCX_ADR;
1128                                 }
1129                                 return (1);             /* card found */
1130                         } else {
1131                                 printk(KERN_ERR "Diva PnP: PnP error card found, no device\n");
1132                                 return (0);
1133                         }
1134                 }
1135                 ipid++;
1136                 pnp_c = NULL;
1137         }
1138
1139         return (-1);    /* card not found; continue search */
1140 }
1141
1142 #else   /* if !ISAPNP */
1143
1144 static int setup_diva_isapnp(struct IsdnCard *card)
1145 {
1146         return (-1);    /* card not found; continue search */
1147 }
1148
1149 #endif  /* ISAPNP */
1150
1151 #ifdef CONFIG_PCI
1152 static struct pci_dev *dev_diva = NULL;
1153 static struct pci_dev *dev_diva_u = NULL;
1154 static struct pci_dev *dev_diva201 = NULL;
1155 static struct pci_dev *dev_diva202 = NULL;
1156
1157 static int setup_diva_pci(struct IsdnCard *card)
1158 {
1159         struct IsdnCardState *cs = card->cs;
1160
1161         cs->subtyp = 0;
1162         if ((dev_diva = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
1163                                               PCI_DEVICE_ID_EICON_DIVA20, dev_diva))) {
1164                 if (pci_enable_device(dev_diva))
1165                         return (0);
1166                 cs->subtyp = DIVA_PCI;
1167                 cs->irq = dev_diva->irq;
1168                 cs->hw.diva.cfg_reg = pci_resource_start(dev_diva, 2);
1169         } else if ((dev_diva_u = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
1170                                                        PCI_DEVICE_ID_EICON_DIVA20_U, dev_diva_u))) {
1171                 if (pci_enable_device(dev_diva_u))
1172                         return (0);
1173                 cs->subtyp = DIVA_PCI;
1174                 cs->irq = dev_diva_u->irq;
1175                 cs->hw.diva.cfg_reg = pci_resource_start(dev_diva_u, 2);
1176         } else if ((dev_diva201 = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
1177                                                         PCI_DEVICE_ID_EICON_DIVA201, dev_diva201))) {
1178                 if (pci_enable_device(dev_diva201))
1179                         return (0);
1180                 cs->subtyp = DIVA_IPAC_PCI;
1181                 cs->irq = dev_diva201->irq;
1182                 cs->hw.diva.pci_cfg =
1183                         (ulong) ioremap(pci_resource_start(dev_diva201, 0), 4096);
1184                 cs->hw.diva.cfg_reg =
1185                         (ulong) ioremap(pci_resource_start(dev_diva201, 1), 4096);
1186         } else if ((dev_diva202 = hisax_find_pci_device(PCI_VENDOR_ID_EICON,
1187                                                         PCI_DEVICE_ID_EICON_DIVA202, dev_diva202))) {
1188                 if (pci_enable_device(dev_diva202))
1189                         return (0);
1190                 cs->subtyp = DIVA_IPACX_PCI;
1191                 cs->irq = dev_diva202->irq;
1192                 cs->hw.diva.pci_cfg =
1193                         (ulong) ioremap(pci_resource_start(dev_diva202, 0), 4096);
1194                 cs->hw.diva.cfg_reg =
1195                         (ulong) ioremap(pci_resource_start(dev_diva202, 1), 4096);
1196         } else {
1197                 return (-1);    /* card not found; continue search */
1198         }
1199
1200         if (!cs->irq) {
1201                 printk(KERN_WARNING "Diva: No IRQ for PCI card found\n");
1202                 iounmap_diva(cs);
1203                 return (0);
1204         }
1205
1206         if (!cs->hw.diva.cfg_reg) {
1207                 printk(KERN_WARNING "Diva: No IO-Adr for PCI card found\n");
1208                 iounmap_diva(cs);
1209                 return (0);
1210         }
1211         cs->irq_flags |= IRQF_SHARED;
1212
1213         if ((cs->subtyp == DIVA_IPAC_PCI) ||
1214             (cs->subtyp == DIVA_IPACX_PCI)) {
1215                 cs->hw.diva.ctrl = 0;
1216                 cs->hw.diva.isac = 0;
1217                 cs->hw.diva.hscx = 0;
1218                 cs->hw.diva.isac_adr = 0;
1219                 cs->hw.diva.hscx_adr = 0;
1220                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
1221         } else {
1222                 cs->hw.diva.ctrl = cs->hw.diva.cfg_reg + DIVA_PCI_CTRL;
1223                 cs->hw.diva.isac = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_DATA;
1224                 cs->hw.diva.hscx = cs->hw.diva.cfg_reg + DIVA_HSCX_DATA;
1225                 cs->hw.diva.isac_adr = cs->hw.diva.cfg_reg + DIVA_PCI_ISAC_ADR;
1226                 cs->hw.diva.hscx_adr = cs->hw.diva.cfg_reg + DIVA_HSCX_ADR;
1227         }
1228
1229         return (1);             /* card found */
1230 }
1231
1232 #else   /* if !CONFIG_PCI */
1233
1234 static int setup_diva_pci(struct IsdnCard *card)
1235 {
1236         return (-1);    /* card not found; continue search */
1237 }
1238
1239 #endif  /* CONFIG_PCI */
1240
1241 int setup_diva(struct IsdnCard *card)
1242 {
1243         int rc, have_card = 0;
1244         struct IsdnCardState *cs = card->cs;
1245         char tmp[64];
1246
1247         strcpy(tmp, Diva_revision);
1248         printk(KERN_INFO "HiSax: Eicon.Diehl Diva driver Rev. %s\n", HiSax_getrev(tmp));
1249         if (cs->typ != ISDN_CTYPE_DIEHLDIVA)
1250                 return (0);
1251         cs->hw.diva.status = 0;
1252
1253         rc = setup_diva_isa(card);
1254         if (!rc)
1255                 return rc;
1256         if (rc > 0) {
1257                 have_card = 1;
1258                 goto ready;
1259         }
1260
1261         rc = setup_diva_isapnp(card);
1262         if (!rc)
1263                 return rc;
1264         if (rc > 0) {
1265                 have_card = 1;
1266                 goto ready;
1267         }
1268
1269         rc = setup_diva_pci(card);
1270         if (!rc)
1271                 return rc;
1272         if (rc > 0)
1273                 have_card = 1;
1274
1275 ready:
1276         if (!have_card) {
1277                 printk(KERN_WARNING "Diva: No ISA, ISAPNP or PCI card found\n");
1278                 return (0);
1279         }
1280
1281         return setup_diva_common(card->cs);
1282 }