linux/drivers/isdn/hardware/eicon/os_pri.c
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   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
  31extern int diva_card_read_xlog(diva_os_xdi_adapter_t * a);
  32
  33/*
  34**  IMPORTS
  35*/
  36extern void prepare_pri_functions(PISDN_ADAPTER IoAdapter);
  37extern void prepare_pri2_functions(PISDN_ADAPTER IoAdapter);
  38extern void diva_xdi_display_adapter_features(int card);
  39
  40static int diva_pri_cleanup_adapter(diva_os_xdi_adapter_t * a);
  41static int diva_pri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
  42                                  diva_xdi_um_cfg_cmd_t * cmd, int length);
  43static int pri_get_serial_number(diva_os_xdi_adapter_t * a);
  44static int diva_pri_stop_adapter(diva_os_xdi_adapter_t * a);
  45static dword diva_pri_detect_dsps(diva_os_xdi_adapter_t * a);
  46
  47/*
  48**  Check card revision
  49*/
  50static 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
  60static 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*/
  95int 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
 260static 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*/
 333static 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
 407static int
 408diva_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
 432static int
 433diva_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 successfully started", IoAdapter->ANum))
 517        /*
 518           Register with DIDD
 519         */
 520        diva_xdi_didd_register_adapter(IoAdapter->ANum);
 521
 522        return (0);
 523}
 524
 525static 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*/
 549static 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*/
 601static int
 602diva_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*/
 764static 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
 900void diva_os_prepare_pri2_functions(PISDN_ADAPTER IoAdapter)
 901{
 902}
 903
 904void diva_os_prepare_pri_functions(PISDN_ADAPTER IoAdapter)
 905{
 906}
 907
 908/*
 909**  Checks presence of DSP on board
 910*/
 911static int
 912dsp_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*/
 955static 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}
1053