git.oblomov.eu Git - linux-2.6/blob - drivers/isdn/hardware/eicon/os_pri.c

   1 /* $Id: os_pri.c,v 1.32 2004/03/21 17:26:01 armin Exp $ */
   2
   3 #include "platform.h"
   4 #include "debuglib.h"
   5 #include "cardtype.h"
   6 #include "pc.h"
   7 #include "pr_pc.h"
   8 #include "di_defs.h"
   9 #include "dsp_defs.h"
  10 #include "di.h"
  11 #include "io.h"
  12
  13 #include "xdi_msg.h"
  14 #include "xdi_adapter.h"
  15 #include "os_pri.h"
  16 #include "diva_pci.h"
  17 #include "mi_pc.h"
  18 #include "pc_maint.h"
  19 #include "dsp_tst.h"
  20 #include "diva_dma.h"
  21 #include "dsrv_pri.h"
  22
  23 /* --------------------------------------------------------------------------
  24    OS Dependent part of XDI driver for DIVA PRI Adapter
  25
  26    DSP detection/validation by Anthony Booth (Eicon Networks, www.eicon.com)
  27 -------------------------------------------------------------------------- */
  28
  29 #define DIVA_PRI_NO_PCI_BIOS_WORKAROUND 1
  30
  31 extern int diva_card_read_xlog(diva_os_xdi_adapter_t * a);
  32
  33 /*
  34 **  IMPORTS
  35 */
  36 extern void prepare_pri_functions(PISDN_ADAPTER IoAdapter);
  37 extern void prepare_pri2_functions(PISDN_ADAPTER IoAdapter);
  38 extern void diva_xdi_display_adapter_features(int card);
  39
  40 static int diva_pri_cleanup_adapter(diva_os_xdi_adapter_t * a);
  41 static int diva_pri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
  42                                   diva_xdi_um_cfg_cmd_t * cmd, int length);
  43 static int pri_get_serial_number(diva_os_xdi_adapter_t * a);
  44 static int diva_pri_stop_adapter(diva_os_xdi_adapter_t * a);
  45 static dword diva_pri_detect_dsps(diva_os_xdi_adapter_t * a);
  46
  47 /*
  48 **  Check card revision
  49 */
  50 static int pri_is_rev_2_card(int card_ordinal)
  51 {
  52         switch (card_ordinal) {
  53         case CARDTYPE_DIVASRV_P_30M_V2_PCI:
  54         case CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI:
  55                 return (1);
  56         }
  57         return (0);
  58 }
  59
  60 static void diva_pri_set_addresses(diva_os_xdi_adapter_t * a)
  61 {
  62         a->resources.pci.mem_type_id[MEM_TYPE_ADDRESS] = 0;
  63         a->resources.pci.mem_type_id[MEM_TYPE_CONTROL] = 2;
  64         a->resources.pci.mem_type_id[MEM_TYPE_CONFIG] = 4;
  65         a->resources.pci.mem_type_id[MEM_TYPE_RAM] = 0;
  66         a->resources.pci.mem_type_id[MEM_TYPE_RESET] = 2;
  67         a->resources.pci.mem_type_id[MEM_TYPE_CFG] = 4;
  68         a->resources.pci.mem_type_id[MEM_TYPE_PROM] = 3;
  69
  70         a->xdi_adapter.Address = a->resources.pci.addr[0];
  71         a->xdi_adapter.Control = a->resources.pci.addr[2];
  72         a->xdi_adapter.Config = a->resources.pci.addr[4];
  73
  74         a->xdi_adapter.ram = a->resources.pci.addr[0];
  75         a->xdi_adapter.ram += MP_SHARED_RAM_OFFSET;
  76
  77         a->xdi_adapter.reset = a->resources.pci.addr[2];
  78         a->xdi_adapter.reset += MP_RESET;
  79
  80         a->xdi_adapter.cfg = a->resources.pci.addr[4];
  81         a->xdi_adapter.cfg += MP_IRQ_RESET;
  82
  83         a->xdi_adapter.sdram_bar = a->resources.pci.bar[0];
  84
  85         a->xdi_adapter.prom = a->resources.pci.addr[3];
  86 }
  87
  88 /*
  89 **  BAR0 - SDRAM, MP_MEMORY_SIZE, MP2_MEMORY_SIZE by Rev.2
  90 **  BAR1 - DEVICES,                             0x1000
  91 **  BAR2 - CONTROL (REG), 0x2000
  92 **  BAR3 - FLASH (REG),         0x8000
  93 **  BAR4 - CONFIG (CFG),        0x1000
  94 */
  95 int diva_pri_init_card(diva_os_xdi_adapter_t * a)
  96 {
  97         int bar = 0;
  98         int pri_rev_2;
  99         unsigned long bar_length[5] = {
 100                 MP_MEMORY_SIZE,
 101                 0x1000,
 102                 0x2000,
 103                 0x8000,
 104                 0x1000
 105         };
 106
 107         pri_rev_2 = pri_is_rev_2_card(a->CardOrdinal);
 108
 109         if (pri_rev_2) {
 110                 bar_length[0] = MP2_MEMORY_SIZE;
 111         }
 112         /*
 113            Set properties
 114          */
 115         a->xdi_adapter.Properties = CardProperties[a->CardOrdinal];
 116         DBG_LOG(("Load %s", a->xdi_adapter.Properties.Name))
 117
 118         /*
 119            First initialization step: get and check hardware resoures.
 120            Do not map resources and do not acecess card at this step
 121          */
 122         for (bar = 0; bar < 5; bar++) {
 123                 a->resources.pci.bar[bar] =
 124                     divasa_get_pci_bar(a->resources.pci.bus,
 125                                        a->resources.pci.func, bar,
 126                                        a->resources.pci.hdev);
 127                 if (!a->resources.pci.bar[bar]
 128                     || (a->resources.pci.bar[bar] == 0xFFFFFFF0)) {
 129                         DBG_ERR(("A: invalid bar[%d]=%08x", bar,
 130                                  a->resources.pci.bar[bar]))
 131                         return (-1);
 132                 }
 133         }
 134         a->resources.pci.irq =
 135             (byte) divasa_get_pci_irq(a->resources.pci.bus,
 136                                       a->resources.pci.func,
 137                                       a->resources.pci.hdev);
 138         if (!a->resources.pci.irq) {
 139                 DBG_ERR(("A: invalid irq"));
 140                 return (-1);
 141         }
 142
 143         /*
 144            Map all BAR's
 145          */
 146         for (bar = 0; bar < 5; bar++) {
 147                 a->resources.pci.addr[bar] =
 148                     divasa_remap_pci_bar(a, bar, a->resources.pci.bar[bar],
 149                                          bar_length[bar]);
 150                 if (!a->resources.pci.addr[bar]) {
 151                         DBG_ERR(("A: A(%d), can't map bar[%d]",
 152                                  a->controller, bar))
 153                         diva_pri_cleanup_adapter(a);
 154                         return (-1);
 155                 }
 156         }
 157
 158         /*
 159            Set all memory areas
 160          */
 161         diva_pri_set_addresses(a);
 162
 163         /*
 164            Get Serial Number of this adapter
 165          */
 166         if (pri_get_serial_number(a)) {
 167                 dword serNo;
 168                 serNo = a->resources.pci.bar[1] & 0xffff0000;
 169                 serNo |= ((dword) a->resources.pci.bus) << 8;
 170                 serNo += (a->resources.pci.func + a->controller + 1);
 171                 a->xdi_adapter.serialNo = serNo & ~0xFF000000;
 172                 DBG_ERR(("A: A(%d) can't get Serial Number, generated serNo=%ld",
 173                          a->controller, a->xdi_adapter.serialNo))
 174         }
 175
 176
 177         /*
 178            Initialize os objects
 179          */
 180         if (diva_os_initialize_spin_lock(&a->xdi_adapter.isr_spin_lock, "isr")) {
 181                 diva_pri_cleanup_adapter(a);
 182                 return (-1);
 183         }
 184         if (diva_os_initialize_spin_lock
 185             (&a->xdi_adapter.data_spin_lock, "data")) {
 186                 diva_pri_cleanup_adapter(a);
 187                 return (-1);
 188         }
 189
 190         strcpy(a->xdi_adapter.req_soft_isr.dpc_thread_name, "kdivasprid");
 191
 192         if (diva_os_initialize_soft_isr(&a->xdi_adapter.req_soft_isr,
 193                                         DIDpcRoutine, &a->xdi_adapter)) {
 194                 diva_pri_cleanup_adapter(a);
 195                 return (-1);
 196         }
 197
 198         /*
 199            Do not initialize second DPC - only one thread will be created
 200          */
 201         a->xdi_adapter.isr_soft_isr.object =
 202             a->xdi_adapter.req_soft_isr.object;
 203
 204         /*
 205            Next step of card initialization:
 206            set up all interface pointers
 207          */
 208         a->xdi_adapter.Channels = CardProperties[a->CardOrdinal].Channels;
 209         a->xdi_adapter.e_max = CardProperties[a->CardOrdinal].E_info;
 210
 211         a->xdi_adapter.e_tbl =
 212             diva_os_malloc(0, a->xdi_adapter.e_max * sizeof(E_INFO));
 213         if (!a->xdi_adapter.e_tbl) {
 214                 diva_pri_cleanup_adapter(a);
 215                 return (-1);
 216         }
 217         memset(a->xdi_adapter.e_tbl, 0x00, a->xdi_adapter.e_max * sizeof(E_INFO));
 218
 219         a->xdi_adapter.a.io = &a->xdi_adapter;
 220         a->xdi_adapter.DIRequest = request;
 221         a->interface.cleanup_adapter_proc = diva_pri_cleanup_adapter;
 222         a->interface.cmd_proc = diva_pri_cmd_card_proc;
 223
 224         if (pri_rev_2) {
 225                 prepare_pri2_functions(&a->xdi_adapter);
 226         } else {
 227                 prepare_pri_functions(&a->xdi_adapter);
 228         }
 229
 230         a->dsp_mask = diva_pri_detect_dsps(a);
 231
 232         /*
 233            Allocate DMA map
 234          */
 235         if (pri_rev_2) {
 236                 diva_init_dma_map(a->resources.pci.hdev,
 237                                   (struct _diva_dma_map_entry **) &a->xdi_adapter.dma_map, 32);
 238         }
 239
 240         /*
 241            Set IRQ handler
 242          */
 243         a->xdi_adapter.irq_info.irq_nr = a->resources.pci.irq;
 244         sprintf(a->xdi_adapter.irq_info.irq_name,
 245                 "DIVA PRI %ld", (long) a->xdi_adapter.serialNo);
 246
 247         if (diva_os_register_irq(a, a->xdi_adapter.irq_info.irq_nr,
 248                                  a->xdi_adapter.irq_info.irq_name)) {
 249                 diva_pri_cleanup_adapter(a);
 250                 return (-1);
 251         }
 252         a->xdi_adapter.irq_info.registered = 1;
 253
 254         diva_log_info("%s IRQ:%d SerNo:%d", a->xdi_adapter.Properties.Name,
 255                       a->resources.pci.irq, a->xdi_adapter.serialNo);
 256
 257         return (0);
 258 }
 259
 260 static int diva_pri_cleanup_adapter(diva_os_xdi_adapter_t * a)
 261 {
 262         int bar = 0;
 263
 264         /*
 265            Stop Adapter if adapter is running
 266          */
 267         if (a->xdi_adapter.Initialized) {
 268                 diva_pri_stop_adapter(a);
 269         }
 270
 271         /*
 272            Remove ISR Handler
 273          */
 274         if (a->xdi_adapter.irq_info.registered) {
 275                 diva_os_remove_irq(a, a->xdi_adapter.irq_info.irq_nr);
 276         }
 277         a->xdi_adapter.irq_info.registered = 0;
 278
 279         /*
 280            Step 1: unmap all BAR's, if any was mapped
 281          */
 282         for (bar = 0; bar < 5; bar++) {
 283                 if (a->resources.pci.bar[bar]
 284                     && a->resources.pci.addr[bar]) {
 285                         divasa_unmap_pci_bar(a->resources.pci.addr[bar]);
 286                         a->resources.pci.bar[bar] = 0;
 287                         a->resources.pci.addr[bar] = NULL;
 288                 }
 289         }
 290
 291         /*
 292            Free OS objects
 293          */
 294         diva_os_cancel_soft_isr(&a->xdi_adapter.isr_soft_isr);
 295         diva_os_cancel_soft_isr(&a->xdi_adapter.req_soft_isr);
 296
 297         diva_os_remove_soft_isr(&a->xdi_adapter.req_soft_isr);
 298         a->xdi_adapter.isr_soft_isr.object = NULL;
 299
 300         diva_os_destroy_spin_lock(&a->xdi_adapter.isr_spin_lock, "rm");
 301         diva_os_destroy_spin_lock(&a->xdi_adapter.data_spin_lock, "rm");
 302
 303         /*
 304            Free memory accupied by XDI adapter
 305          */
 306         if (a->xdi_adapter.e_tbl) {
 307                 diva_os_free(0, a->xdi_adapter.e_tbl);
 308                 a->xdi_adapter.e_tbl = NULL;
 309         }
 310         a->xdi_adapter.Channels = 0;
 311         a->xdi_adapter.e_max = 0;
 312
 313
 314         /*
 315            Free adapter DMA map
 316          */
 317         diva_free_dma_map(a->resources.pci.hdev,
 318                           (struct _diva_dma_map_entry *) a->xdi_adapter.
 319                           dma_map);
 320         a->xdi_adapter.dma_map = NULL;
 321
 322
 323         /*
 324            Detach this adapter from debug driver
 325          */
 326
 327         return (0);
 328 }
 329
 330 /*
 331 **  Activate On Board Boot Loader
 332 */
 333 static int diva_pri_reset_adapter(PISDN_ADAPTER IoAdapter)
 334 {
 335         dword i;
 336         struct mp_load __iomem *boot;
 337
 338         if (!IoAdapter->Address || !IoAdapter->reset) {
 339                 return (-1);
 340         }
 341         if (IoAdapter->Initialized) {
 342                 DBG_ERR(("A: A(%d) can't reset PRI adapter - please stop first",
 343                          IoAdapter->ANum))
 344                 return (-1);
 345         }
 346
 347         boot = (struct mp_load __iomem *) DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
 348         WRITE_DWORD(&boot->err, 0);
 349         DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 350
 351         IoAdapter->rstFnc(IoAdapter);
 352
 353         diva_os_wait(10);
 354
 355         boot = (struct mp_load __iomem *) DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
 356         i = READ_DWORD(&boot->live);
 357
 358         diva_os_wait(10);
 359         if (i == READ_DWORD(&boot->live)) {
 360                 DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 361                 DBG_ERR(("A: A(%d) CPU on PRI %ld is not alive!",
 362                          IoAdapter->ANum, IoAdapter->serialNo))
 363                 return (-1);
 364         }
 365         if (READ_DWORD(&boot->err)) {
 366                 DBG_ERR(("A: A(%d) PRI %ld Board Selftest failed, error=%08lx",
 367                          IoAdapter->ANum, IoAdapter->serialNo,
 368                          READ_DWORD(&boot->err)))
 369                 DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 370                 return (-1);
 371         }
 372         DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 373
 374         /*
 375            Forget all outstanding entities
 376          */
 377         IoAdapter->e_count = 0;
 378         if (IoAdapter->e_tbl) {
 379                 memset(IoAdapter->e_tbl, 0x00,
 380                        IoAdapter->e_max * sizeof(E_INFO));
 381         }
 382         IoAdapter->head = 0;
 383         IoAdapter->tail = 0;
 384         IoAdapter->assign = 0;
 385         IoAdapter->trapped = 0;
 386
 387         memset(&IoAdapter->a.IdTable[0], 0x00,
 388                sizeof(IoAdapter->a.IdTable));
 389         memset(&IoAdapter->a.IdTypeTable[0], 0x00,
 390                sizeof(IoAdapter->a.IdTypeTable));
 391         memset(&IoAdapter->a.FlowControlIdTable[0], 0x00,
 392                sizeof(IoAdapter->a.FlowControlIdTable));
 393         memset(&IoAdapter->a.FlowControlSkipTable[0], 0x00,
 394                sizeof(IoAdapter->a.FlowControlSkipTable));
 395         memset(&IoAdapter->a.misc_flags_table[0], 0x00,
 396                sizeof(IoAdapter->a.misc_flags_table));
 397         memset(&IoAdapter->a.rx_stream[0], 0x00,
 398                sizeof(IoAdapter->a.rx_stream));
 399         memset(&IoAdapter->a.tx_stream[0], 0x00,
 400                sizeof(IoAdapter->a.tx_stream));
 401         memset(&IoAdapter->a.tx_pos[0], 0x00, sizeof(IoAdapter->a.tx_pos));
 402         memset(&IoAdapter->a.rx_pos[0], 0x00, sizeof(IoAdapter->a.rx_pos));
 403
 404         return (0);
 405 }
 406
 407 static int
 408 diva_pri_write_sdram_block(PISDN_ADAPTER IoAdapter,
 409                            dword address,
 410                            const byte * data, dword length, dword limit)
 411 {
 412         byte __iomem *p = DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
 413         byte __iomem *mem = p;
 414
 415         if (((address + length) >= limit) || !mem) {
 416                 DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, p);
 417                 DBG_ERR(("A: A(%d) write PRI address=0x%08lx",
 418                          IoAdapter->ANum, address + length))
 419                 return (-1);
 420         }
 421         mem += address;
 422
 423         /* memcpy_toio(), maybe? */
 424         while (length--) {
 425                 WRITE_BYTE(mem++, *data++);
 426         }
 427
 428         DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, p);
 429         return (0);
 430 }
 431
 432 static int
 433 diva_pri_start_adapter(PISDN_ADAPTER IoAdapter,
 434                        dword start_address, dword features)
 435 {
 436         dword i;
 437         int started = 0;
 438         byte __iomem *p;
 439         struct mp_load __iomem *boot = (struct mp_load __iomem *) DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter);
 440         ADAPTER *a = &IoAdapter->a;
 441
 442         if (IoAdapter->Initialized) {
 443                 DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 444                 DBG_ERR(("A: A(%d) pri_start_adapter, adapter already running",
 445                          IoAdapter->ANum))
 446                 return (-1);
 447         }
 448         if (!boot) {
 449                 DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 450                 DBG_ERR(("A: PRI %ld can't start, adapter not mapped",
 451                          IoAdapter->serialNo))
 452                 return (-1);
 453         }
 454
 455         sprintf(IoAdapter->Name, "A(%d)", (int) IoAdapter->ANum);
 456         DBG_LOG(("A(%d) start PRI at 0x%08lx", IoAdapter->ANum,
 457                  start_address))
 458
 459         WRITE_DWORD(&boot->addr, start_address);
 460         WRITE_DWORD(&boot->cmd, 3);
 461
 462         for (i = 0; i < 300; ++i) {
 463                 diva_os_wait(10);
 464                 if ((READ_DWORD(&boot->signature) >> 16) == 0x4447) {
 465                         DBG_LOG(("A(%d) Protocol startup time %d.%02d seconds",
 466                                  IoAdapter->ANum, (i / 100), (i % 100)))
 467                         started = 1;
 468                         break;
 469                 }
 470         }
 471
 472         if (!started) {
 473                 byte __iomem *p = (byte __iomem *)boot;
 474                 dword TrapId;
 475                 dword debug;
 476                 TrapId = READ_DWORD(&p[0x80]);
 477                 debug = READ_DWORD(&p[0x1c]);
 478                 DBG_ERR(("A(%d) Adapter start failed 0x%08lx, TrapId=%08lx, debug=%08lx",
 479                          IoAdapter->ANum, READ_DWORD(&boot->signature),
 480                          TrapId, debug))
 481                 DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 482                 if (IoAdapter->trapFnc) {
 483                         (*(IoAdapter->trapFnc)) (IoAdapter);
 484                 }
 485                 IoAdapter->stop(IoAdapter);
 486                 return (-1);
 487         }
 488         DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, boot);
 489
 490         IoAdapter->Initialized = TRUE;
 491
 492         /*
 493            Check Interrupt
 494          */
 495         IoAdapter->IrqCount = 0;
 496         p = DIVA_OS_MEM_ATTACH_CFG(IoAdapter);
 497         WRITE_DWORD(p, (dword) ~ 0x03E00000);
 498         DIVA_OS_MEM_DETACH_CFG(IoAdapter, p);
 499         a->ReadyInt = 1;
 500         a->ram_out(a, &PR_RAM->ReadyInt, 1);
 501
 502         for (i = 100; !IoAdapter->IrqCount && (i-- > 0); diva_os_wait(10));
 503
 504         if (!IoAdapter->IrqCount) {
 505                 DBG_ERR(("A: A(%d) interrupt test failed",
 506                          IoAdapter->ANum))
 507                 IoAdapter->Initialized = FALSE;
 508                 IoAdapter->stop(IoAdapter);
 509                 return (-1);
 510         }
 511
 512         IoAdapter->Properties.Features = (word) features;
 513
 514         diva_xdi_display_adapter_features(IoAdapter->ANum);
 515
 516         DBG_LOG(("A(%d) PRI adapter successfull started", IoAdapter->ANum))
 517         /*
 518            Register with DIDD
 519          */
 520         diva_xdi_didd_register_adapter(IoAdapter->ANum);
 521
 522         return (0);
 523 }
 524
 525 static void diva_pri_clear_interrupts(diva_os_xdi_adapter_t * a)
 526 {
 527         PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
 528
 529         /*
 530            clear any pending interrupt
 531          */
 532         IoAdapter->disIrq(IoAdapter);
 533
 534         IoAdapter->tst_irq(&IoAdapter->a);
 535         IoAdapter->clr_irq(&IoAdapter->a);
 536         IoAdapter->tst_irq(&IoAdapter->a);
 537
 538         /*
 539            kill pending dpcs
 540          */
 541         diva_os_cancel_soft_isr(&IoAdapter->req_soft_isr);
 542         diva_os_cancel_soft_isr(&IoAdapter->isr_soft_isr);
 543 }
 544
 545 /*
 546 **  Stop Adapter, but do not unmap/unregister - adapter
 547 **  will be restarted later
 548 */
 549 static int diva_pri_stop_adapter(diva_os_xdi_adapter_t * a)
 550 {
 551         PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
 552         int i = 100;
 553
 554         if (!IoAdapter->ram) {
 555                 return (-1);
 556         }
 557         if (!IoAdapter->Initialized) {
 558                 DBG_ERR(("A: A(%d) can't stop PRI adapter - not running",
 559                          IoAdapter->ANum))
 560                 return (-1);    /* nothing to stop */
 561         }
 562         IoAdapter->Initialized = 0;
 563
 564         /*
 565            Disconnect Adapter from DIDD
 566          */
 567         diva_xdi_didd_remove_adapter(IoAdapter->ANum);
 568
 569         /*
 570            Stop interrupts
 571          */
 572         a->clear_interrupts_proc = diva_pri_clear_interrupts;
 573         IoAdapter->a.ReadyInt = 1;
 574         IoAdapter->a.ram_inc(&IoAdapter->a, &PR_RAM->ReadyInt);
 575         do {
 576                 diva_os_sleep(10);
 577         } while (i-- && a->clear_interrupts_proc);
 578
 579         if (a->clear_interrupts_proc) {
 580                 diva_pri_clear_interrupts(a);
 581                 a->clear_interrupts_proc = NULL;
 582                 DBG_ERR(("A: A(%d) no final interrupt from PRI adapter",
 583                          IoAdapter->ANum))
 584         }
 585         IoAdapter->a.ReadyInt = 0;
 586
 587         /*
 588            Stop and reset adapter
 589          */
 590         IoAdapter->stop(IoAdapter);
 591
 592         return (0);
 593 }
 594
 595 /*
 596 **  Process commands form configuration/download framework and from
 597 **  user mode
 598 **
 599 **  return 0 on success
 600 */
 601 static int
 602 diva_pri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
 603                        diva_xdi_um_cfg_cmd_t * cmd, int length)
 604 {
 605         int ret = -1;
 606
 607         if (cmd->adapter != a->controller) {
 608                 DBG_ERR(("A: pri_cmd, invalid controller=%d != %d",
 609                          cmd->adapter, a->controller))
 610                 return (-1);
 611         }
 612
 613         switch (cmd->command) {
 614         case DIVA_XDI_UM_CMD_GET_CARD_ORDINAL:
 615                 a->xdi_mbox.data_length = sizeof(dword);
 616                 a->xdi_mbox.data =
 617                     diva_os_malloc(0, a->xdi_mbox.data_length);
 618                 if (a->xdi_mbox.data) {
 619                         *(dword *) a->xdi_mbox.data =
 620                             (dword) a->CardOrdinal;
 621                         a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
 622                         ret = 0;
 623                 }
 624                 break;
 625
 626         case DIVA_XDI_UM_CMD_GET_SERIAL_NR:
 627                 a->xdi_mbox.data_length = sizeof(dword);
 628                 a->xdi_mbox.data =
 629                     diva_os_malloc(0, a->xdi_mbox.data_length);
 630                 if (a->xdi_mbox.data) {
 631                         *(dword *) a->xdi_mbox.data =
 632                             (dword) a->xdi_adapter.serialNo;
 633                         a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
 634                         ret = 0;
 635                 }
 636                 break;
 637
 638         case DIVA_XDI_UM_CMD_GET_PCI_HW_CONFIG:
 639                 a->xdi_mbox.data_length = sizeof(dword) * 9;
 640                 a->xdi_mbox.data =
 641                     diva_os_malloc(0, a->xdi_mbox.data_length);
 642                 if (a->xdi_mbox.data) {
 643                         int i;
 644                         dword *data = (dword *) a->xdi_mbox.data;
 645
 646                         for (i = 0; i < 8; i++) {
 647                                 *data++ = a->resources.pci.bar[i];
 648                         }
 649                         *data++ = (dword) a->resources.pci.irq;
 650                         a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
 651                         ret = 0;
 652                 }
 653                 break;
 654
 655         case DIVA_XDI_UM_CMD_RESET_ADAPTER:
 656                 ret = diva_pri_reset_adapter(&a->xdi_adapter);
 657                 break;
 658
 659         case DIVA_XDI_UM_CMD_WRITE_SDRAM_BLOCK:
 660                 ret = diva_pri_write_sdram_block(&a->xdi_adapter,
 661                                                  cmd->command_data.
 662                                                  write_sdram.offset,
 663                                                  (byte *) & cmd[1],
 664                                                  cmd->command_data.
 665                                                  write_sdram.length,
 666                                                  pri_is_rev_2_card(a->
 667                                                                    CardOrdinal)
 668                                                  ? MP2_MEMORY_SIZE :
 669                                                  MP_MEMORY_SIZE);
 670                 break;
 671
 672         case DIVA_XDI_UM_CMD_STOP_ADAPTER:
 673                 ret = diva_pri_stop_adapter(a);
 674                 break;
 675
 676         case DIVA_XDI_UM_CMD_START_ADAPTER:
 677                 ret = diva_pri_start_adapter(&a->xdi_adapter,
 678                                              cmd->command_data.start.
 679                                              offset,
 680                                              cmd->command_data.start.
 681                                              features);
 682                 break;
 683
 684         case DIVA_XDI_UM_CMD_SET_PROTOCOL_FEATURES:
 685                 a->xdi_adapter.features =
 686                     cmd->command_data.features.features;
 687                 a->xdi_adapter.a.protocol_capabilities =
 688                     a->xdi_adapter.features;
 689                 DBG_TRC(("Set raw protocol features (%08x)",
 690                          a->xdi_adapter.features))
 691                 ret = 0;
 692                 break;
 693
 694         case DIVA_XDI_UM_CMD_GET_CARD_STATE:
 695                 a->xdi_mbox.data_length = sizeof(dword);
 696                 a->xdi_mbox.data =
 697                     diva_os_malloc(0, a->xdi_mbox.data_length);
 698                 if (a->xdi_mbox.data) {
 699                         dword *data = (dword *) a->xdi_mbox.data;
 700                         if (!a->xdi_adapter.ram ||
 701                                 !a->xdi_adapter.reset ||
 702                             !a->xdi_adapter.cfg) {
 703                                 *data = 3;
 704                         } else if (a->xdi_adapter.trapped) {
 705                                 *data = 2;
 706                         } else if (a->xdi_adapter.Initialized) {
 707                                 *data = 1;
 708                         } else {
 709                                 *data = 0;
 710                         }
 711                         a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
 712                         ret = 0;
 713                 }
 714                 break;
 715
 716         case DIVA_XDI_UM_CMD_READ_XLOG_ENTRY:
 717                 ret = diva_card_read_xlog(a);
 718                 break;
 719
 720         case DIVA_XDI_UM_CMD_READ_SDRAM:
 721                 if (a->xdi_adapter.Address) {
 722                         if (
 723                             (a->xdi_mbox.data_length =
 724                              cmd->command_data.read_sdram.length)) {
 725                                 if (
 726                                     (a->xdi_mbox.data_length +
 727                                      cmd->command_data.read_sdram.offset) <
 728                                     a->xdi_adapter.MemorySize) {
 729                                         a->xdi_mbox.data =
 730                                             diva_os_malloc(0,
 731                                                            a->xdi_mbox.
 732                                                            data_length);
 733                                         if (a->xdi_mbox.data) {
 734                                                 byte __iomem *p = DIVA_OS_MEM_ATTACH_ADDRESS(&a->xdi_adapter);
 735                                                 byte __iomem *src = p;
 736                                                 byte *dst = a->xdi_mbox.data;
 737                                                 dword len = a->xdi_mbox.data_length;
 738
 739                                                 src += cmd->command_data.read_sdram.offset;
 740
 741                                                 while (len--) {
 742                                                         *dst++ = READ_BYTE(src++);
 743                                                 }
 744                                                 a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
 745                                                 DIVA_OS_MEM_DETACH_ADDRESS(&a->xdi_adapter, p);
 746                                                 ret = 0;
 747                                         }
 748                                 }
 749                         }
 750                 }
 751                 break;
 752
 753         default:
 754                 DBG_ERR(("A: A(%d) invalid cmd=%d", a->controller,
 755                          cmd->command))
 756         }
 757
 758         return (ret);
 759 }
 760
 761 /*
 762 **  Get Serial Number
 763 */
 764 static int pri_get_serial_number(diva_os_xdi_adapter_t * a)
 765 {
 766         byte data[64];
 767         int i;
 768         dword len = sizeof(data);
 769         volatile byte __iomem *config;
 770         volatile byte __iomem *flash;
 771         byte c;
 772
 773 /*
 774  *  First set some GT6401x config registers before accessing the BOOT-ROM
 775  */
 776         config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
 777         c = READ_BYTE(&config[0xc3c]);
 778         if (!(c & 0x08)) {
 779                 WRITE_BYTE(&config[0xc3c], c);  /* Base Address enable register */
 780         }
 781         WRITE_BYTE(&config[LOW_BOOTCS_DREG], 0x00);
 782         WRITE_BYTE(&config[HI_BOOTCS_DREG], 0xFF);
 783         DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
 784 /*
 785  *  Read only the last 64 bytes of manufacturing data
 786  */
 787         memset(data, '\0', len);
 788         flash = DIVA_OS_MEM_ATTACH_PROM(&a->xdi_adapter);
 789         for (i = 0; i < len; i++) {
 790                 data[i] = READ_BYTE(&flash[0x8000 - len + i]);
 791         }
 792         DIVA_OS_MEM_DETACH_PROM(&a->xdi_adapter, flash);
 793
 794         config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
 795         WRITE_BYTE(&config[LOW_BOOTCS_DREG], 0xFC);     /* Disable FLASH EPROM access */
 796         WRITE_BYTE(&config[HI_BOOTCS_DREG], 0xFF);
 797         DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
 798
 799         if (memcmp(&data[48], "DIVAserverPR", 12)) {
 800 #if !defined(DIVA_PRI_NO_PCI_BIOS_WORKAROUND)   /* { */
 801                 word cmd = 0, cmd_org;
 802                 void *addr;
 803                 dword addr1, addr3, addr4;
 804                 byte Bus, Slot;
 805                 void *hdev;
 806                 addr4 = a->resources.pci.bar[4];
 807                 addr3 = a->resources.pci.bar[3];        /* flash  */
 808                 addr1 = a->resources.pci.bar[1];        /* unused */
 809
 810                 DBG_ERR(("A: apply Compaq BIOS workaround"))
 811                 DBG_LOG(("%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
 812                              data[0], data[1], data[2], data[3],
 813                              data[4], data[5], data[6], data[7]))
 814
 815                 Bus = a->resources.pci.bus;
 816                 Slot = a->resources.pci.func;
 817                 hdev = a->resources.pci.hdev;
 818                 PCIread(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
 819                 PCIwrite(Bus, Slot, 0x04, &cmd, sizeof(cmd), hdev);
 820
 821                 PCIwrite(Bus, Slot, 0x14, &addr4, sizeof(addr4), hdev);
 822                 PCIwrite(Bus, Slot, 0x20, &addr1, sizeof(addr1), hdev);
 823
 824                 PCIwrite(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
 825
 826                 addr = a->resources.pci.addr[1];
 827                 a->resources.pci.addr[1] = a->resources.pci.addr[4];
 828                 a->resources.pci.addr[4] = addr;
 829
 830                 addr1 = a->resources.pci.bar[1];
 831                 a->resources.pci.bar[1] = a->resources.pci.bar[4];
 832                 a->resources.pci.bar[4] = addr1;
 833
 834                 /*
 835                    Try to read Flash again
 836                  */
 837                 len = sizeof(data);
 838
 839                 config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
 840                 if (!(config[0xc3c] & 0x08)) {
 841                         config[0xc3c] |= 0x08;  /* Base Address enable register */
 842                 }
 843                 config[LOW_BOOTCS_DREG] = 0x00;
 844                 config[HI_BOOTCS_DREG] = 0xFF;
 845                 DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
 846
 847                 memset(data, '\0', len);
 848                 flash = DIVA_OS_MEM_ATTACH_PROM(&a->xdi_adapter);
 849                 for (i = 0; i < len; i++) {
 850                         data[i] = flash[0x8000 - len + i];
 851                 }
 852                 DIVA_OS_MEM_ATTACH_PROM(&a->xdi_adapter, flash);
 853                 config = DIVA_OS_MEM_ATTACH_CONFIG(&a->xdi_adapter);
 854                 config[LOW_BOOTCS_DREG] = 0xFC;
 855                 config[HI_BOOTCS_DREG] = 0xFF;
 856                 DIVA_OS_MEM_DETACH_CONFIG(&a->xdi_adapter, config);
 857
 858                 if (memcmp(&data[48], "DIVAserverPR", 12)) {
 859                         DBG_ERR(("A: failed to read serial number"))
 860                         DBG_LOG(("%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
 861                                      data[0], data[1], data[2], data[3],
 862                                      data[4], data[5], data[6], data[7]))
 863                         return (-1);
 864                 }
 865 #else                           /* } { */
 866                 DBG_ERR(("A: failed to read DIVA signature word"))
 867                 DBG_LOG(("%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
 868                              data[0], data[1], data[2], data[3],
 869                              data[4], data[5], data[6], data[7]))
 870                 DBG_LOG(("%02x:%02x:%02x:%02x", data[47], data[46],
 871                              data[45], data[44]))
 872 #endif                          /* } */
 873         }
 874
 875         a->xdi_adapter.serialNo =
 876             (data[47] << 24) | (data[46] << 16) | (data[45] << 8) |
 877             data[44];
 878         if (!a->xdi_adapter.serialNo
 879             || (a->xdi_adapter.serialNo == 0xffffffff)) {
 880                 a->xdi_adapter.serialNo = 0;
 881                 DBG_ERR(("A: failed to read serial number"))
 882                 return (-1);
 883         }
 884
 885         DBG_LOG(("Serial No.          : %ld", a->xdi_adapter.serialNo))
 886         DBG_TRC(("Board Revision      : %d.%02d", (int) data[41],
 887                      (int) data[40]))
 888         DBG_TRC(("PLD revision        : %d.%02d", (int) data[33],
 889                      (int) data[32]))
 890         DBG_TRC(("Boot loader version : %d.%02d", (int) data[37],
 891                      (int) data[36]))
 892
 893         DBG_TRC(("Manufacturing Date  : %d/%02d/%02d  (yyyy/mm/dd)",
 894                      (int) ((data[28] > 90) ? 1900 : 2000) +
 895                      (int) data[28], (int) data[29], (int) data[30]))
 896
 897         return (0);
 898 }
 899
 900 void diva_os_prepare_pri2_functions(PISDN_ADAPTER IoAdapter)
 901 {
 902 }
 903
 904 void diva_os_prepare_pri_functions(PISDN_ADAPTER IoAdapter)
 905 {
 906 }
 907
 908 /*
 909 **  Checks presence of DSP on board
 910 */
 911 static int
 912 dsp_check_presence(volatile byte __iomem * addr, volatile byte __iomem * data, int dsp)
 913 {
 914         word pattern;
 915
 916         WRITE_WORD(addr, 0x4000);
 917         WRITE_WORD(data, DSP_SIGNATURE_PROBE_WORD);
 918
 919         WRITE_WORD(addr, 0x4000);
 920         pattern = READ_WORD(data);
 921
 922         if (pattern != DSP_SIGNATURE_PROBE_WORD) {
 923                 DBG_TRC(("W: DSP[%d] %04x(is) != %04x(should)",
 924                          dsp, pattern, DSP_SIGNATURE_PROBE_WORD))
 925                 return (-1);
 926         }
 927
 928         WRITE_WORD(addr, 0x4000);
 929         WRITE_WORD(data, ~DSP_SIGNATURE_PROBE_WORD);
 930
 931         WRITE_WORD(addr, 0x4000);
 932         pattern = READ_WORD(data);
 933
 934         if (pattern != (word) ~ DSP_SIGNATURE_PROBE_WORD) {
 935                 DBG_ERR(("A: DSP[%d] %04x(is) != %04x(should)",
 936                          dsp, pattern, (word) ~ DSP_SIGNATURE_PROBE_WORD))
 937                 return (-2);
 938         }
 939
 940         DBG_TRC(("DSP[%d] present", dsp))
 941
 942         return (0);
 943 }
 944
 945
 946 /*
 947 **  Check if DSP's are present and operating
 948 **  Information about detected DSP's is returned as bit mask
 949 **  Bit 0  - DSP1
 950 **  ...
 951 **  ...
 952 **  ...
 953 **  Bit 29 - DSP30
 954 */
 955 static dword diva_pri_detect_dsps(diva_os_xdi_adapter_t * a)
 956 {
 957         byte __iomem *base;
 958         byte __iomem *p;
 959         dword ret = 0;
 960         dword row_offset[7] = {
 961                 0x00000000,
 962                 0x00000800,     /* 1 - ROW 1 */
 963                 0x00000840,     /* 2 - ROW 2 */
 964                 0x00001000,     /* 3 - ROW 3 */
 965                 0x00001040,     /* 4 - ROW 4 */
 966                 0x00000000      /* 5 - ROW 0 */
 967         };
 968
 969         byte __iomem *dsp_addr_port;
 970         byte __iomem *dsp_data_port;
 971         byte row_state;
 972         int dsp_row = 0, dsp_index, dsp_num;
 973
 974         if (!a->xdi_adapter.Control || !a->xdi_adapter.reset) {
 975                 return (0);
 976         }
 977
 978         p = DIVA_OS_MEM_ATTACH_RESET(&a->xdi_adapter);
 979         WRITE_BYTE(p, _MP_RISC_RESET | _MP_DSP_RESET);
 980         DIVA_OS_MEM_DETACH_RESET(&a->xdi_adapter, p);
 981         diva_os_wait(5);
 982
 983         base = DIVA_OS_MEM_ATTACH_CONTROL(&a->xdi_adapter);
 984
 985         for (dsp_num = 0; dsp_num < 30; dsp_num++) {
 986                 dsp_row = dsp_num / 7 + 1;
 987                 dsp_index = dsp_num % 7;
 988
 989                 dsp_data_port = base;
 990                 dsp_addr_port = base;
 991
 992                 dsp_data_port += row_offset[dsp_row];
 993                 dsp_addr_port += row_offset[dsp_row];
 994
 995                 dsp_data_port += (dsp_index * 8);
 996                 dsp_addr_port += (dsp_index * 8) + 0x80;
 997
 998                 if (!dsp_check_presence
 999                     (dsp_addr_port, dsp_data_port, dsp_num + 1)) {
1000                         ret |= (1 << dsp_num);
1001                 }
1002         }
1003         DIVA_OS_MEM_DETACH_CONTROL(&a->xdi_adapter, base);
1004
1005         p = DIVA_OS_MEM_ATTACH_RESET(&a->xdi_adapter);
1006         WRITE_BYTE(p, _MP_RISC_RESET | _MP_LED1 | _MP_LED2);
1007         DIVA_OS_MEM_DETACH_RESET(&a->xdi_adapter, p);
1008         diva_os_wait(5);
1009
1010         /*
1011            Verify modules
1012          */
1013         for (dsp_row = 0; dsp_row < 4; dsp_row++) {
1014                 row_state = ((ret >> (dsp_row * 7)) & 0x7F);
1015                 if (row_state && (row_state != 0x7F)) {
1016                         for (dsp_index = 0; dsp_index < 7; dsp_index++) {
1017                                 if (!(row_state & (1 << dsp_index))) {
1018                                         DBG_ERR(("A: MODULE[%d]-DSP[%d] failed",
1019                                                  dsp_row + 1,
1020                                                  dsp_index + 1))
1021                                 }
1022                         }
1023                 }
1024         }
1025
1026         if (!(ret & 0x10000000)) {
1027                 DBG_ERR(("A: ON BOARD-DSP[1] failed"))
1028         }
1029         if (!(ret & 0x20000000)) {
1030                 DBG_ERR(("A: ON BOARD-DSP[2] failed"))
1031         }
1032
1033         /*
1034            Print module population now
1035          */
1036         DBG_LOG(("+-----------------------+"))
1037         DBG_LOG(("| DSP MODULE POPULATION |"))
1038         DBG_LOG(("+-----------------------+"))
1039         DBG_LOG(("|  1  |  2  |  3  |  4  |"))
1040         DBG_LOG(("+-----------------------+"))
1041         DBG_LOG(("|  %s  |  %s  |  %s  |  %s  |",
1042                  ((ret >> (0 * 7)) & 0x7F) ? "Y" : "N",
1043                  ((ret >> (1 * 7)) & 0x7F) ? "Y" : "N",
1044                  ((ret >> (2 * 7)) & 0x7F) ? "Y" : "N",
1045                  ((ret >> (3 * 7)) & 0x7F) ? "Y" : "N"))
1046         DBG_LOG(("+-----------------------+"))
1047
1048         DBG_LOG(("DSP's(present-absent):%08x-%08x", ret,
1049                  ~ret & 0x3fffffff))
1050
1051         return (ret);
1052 }