Pileus Git - ~andy/linux/blob - drivers/staging/ft1000/ft1000-usb/ft1000_hw.c

   1 //=====================================================
   2 // CopyRight (C) 2007 Qualcomm Inc. All Rights Reserved.
   3 //
   4 //
   5 // This file is part of Express Card USB Driver
   6 //
   7 // $Id:
   8 //====================================================
   9 // 20090926; aelias; removed compiler warnings & errors; ubuntu 9.04; 2.6.28-15-generic
  10
  11 #include <linux/init.h>
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/netdevice.h>
  15 #include <linux/etherdevice.h>
  16 #include <linux/usb.h>
  17 #include "ft1000_usb.h"
  18 #include <linux/types.h>
  19
  20 #define HARLEY_READ_REGISTER     0x0
  21 #define HARLEY_WRITE_REGISTER    0x01
  22 #define HARLEY_READ_DPRAM_32     0x02
  23 #define HARLEY_READ_DPRAM_LOW    0x03
  24 #define HARLEY_READ_DPRAM_HIGH   0x04
  25 #define HARLEY_WRITE_DPRAM_32    0x05
  26 #define HARLEY_WRITE_DPRAM_LOW   0x06
  27 #define HARLEY_WRITE_DPRAM_HIGH  0x07
  28
  29 #define HARLEY_READ_OPERATION    0xc1
  30 #define HARLEY_WRITE_OPERATION   0x41
  31
  32 //#define JDEBUG
  33
  34 static int ft1000_reset(struct net_device *ft1000dev);
  35 static int ft1000_submit_rx_urb(struct ft1000_info *info);
  36 static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev);
  37 static int ft1000_open (struct net_device *dev);
  38 static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev);
  39 static int ft1000_chkcard (struct ft1000_device *dev);
  40
  41 //Jim
  42
  43 static u8 tempbuffer[1600];
  44
  45 #define MAX_RCV_LOOP   100
  46
  47 //---------------------------------------------------------------------------
  48 // Function:    ft1000_control
  49 //
  50 // Parameters:  ft1000_device  - device structure
  51 //              pipe - usb control message pipe
  52 //              request - control request
  53 //              requesttype - control message request type
  54 //              value - value to be written or 0
  55 //              index - register index
  56 //              data - data buffer to hold the read/write values
  57 //              size - data size
  58 //              timeout - control message time out value
  59 //
  60 // Returns:     STATUS_SUCCESS - success
  61 //              STATUS_FAILURE - failure
  62 //
  63 // Description: This function sends a control message via USB interface synchronously
  64 //
  65 // Notes:
  66 //
  67 //---------------------------------------------------------------------------
  68 static int ft1000_control(struct ft1000_device *ft1000dev, unsigned int pipe,
  69                           u8 request, u8 requesttype, u16 value, u16 index,
  70                           void *data, u16 size, int timeout)
  71 {
  72         u16 ret;
  73
  74         if ((ft1000dev == NULL) || (ft1000dev->dev == NULL)) {
  75                 DEBUG("ft1000dev or ft1000dev->dev == NULL, failure\n");
  76                 return -ENODEV;
  77         }
  78
  79         ret = usb_control_msg(ft1000dev->dev, pipe, request, requesttype,
  80                               value, index, data, size, LARGE_TIMEOUT);
  81
  82         if (ret > 0)
  83                 ret = 0;
  84
  85         return ret;
  86 }
  87
  88 //---------------------------------------------------------------------------
  89 // Function:    ft1000_read_register
  90 //
  91 // Parameters:  ft1000_device  - device structure
  92 //              Data - data buffer to hold the value read
  93 //              nRegIndex - register index
  94 //
  95 // Returns:     STATUS_SUCCESS - success
  96 //              STATUS_FAILURE - failure
  97 //
  98 // Description: This function returns the value in a register
  99 //
 100 // Notes:
 101 //
 102 //---------------------------------------------------------------------------
 103
 104 int ft1000_read_register(struct ft1000_device *ft1000dev, u16* Data,
 105                          u16 nRegIndx)
 106 {
 107         int ret = STATUS_SUCCESS;
 108
 109         ret = ft1000_control(ft1000dev,
 110                              usb_rcvctrlpipe(ft1000dev->dev, 0),
 111                              HARLEY_READ_REGISTER,
 112                              HARLEY_READ_OPERATION,
 113                              0,
 114                              nRegIndx,
 115                              Data,
 116                              2,
 117                              LARGE_TIMEOUT);
 118
 119         return ret;
 120 }
 121
 122 //---------------------------------------------------------------------------
 123 // Function:    ft1000_write_register
 124 //
 125 // Parameters:  ft1000_device  - device structure
 126 //              value - value to write into a register
 127 //              nRegIndex - register index
 128 //
 129 // Returns:     STATUS_SUCCESS - success
 130 //              STATUS_FAILURE - failure
 131 //
 132 // Description: This function writes the value in a register
 133 //
 134 // Notes:
 135 //
 136 //---------------------------------------------------------------------------
 137 int ft1000_write_register(struct ft1000_device *ft1000dev, u16 value,
 138                           u16 nRegIndx)
 139 {
 140         int ret = STATUS_SUCCESS;
 141
 142         ret = ft1000_control(ft1000dev,
 143                              usb_sndctrlpipe(ft1000dev->dev, 0),
 144                              HARLEY_WRITE_REGISTER,
 145                              HARLEY_WRITE_OPERATION,
 146                              value,
 147                              nRegIndx,
 148                              NULL,
 149                              0,
 150                              LARGE_TIMEOUT);
 151
 152         return ret;
 153 }
 154
 155 //---------------------------------------------------------------------------
 156 // Function:    ft1000_read_dpram32
 157 //
 158 // Parameters:  ft1000_device  - device structure
 159 //              indx - starting address to read
 160 //              buffer - data buffer to hold the data read
 161 //              cnt - number of byte read from DPRAM
 162 //
 163 // Returns:     STATUS_SUCCESS - success
 164 //              STATUS_FAILURE - failure
 165 //
 166 // Description: This function read a number of bytes from DPRAM
 167 //
 168 // Notes:
 169 //
 170 //---------------------------------------------------------------------------
 171
 172 int ft1000_read_dpram32(struct ft1000_device *ft1000dev, u16 indx, u8 *buffer,
 173                         u16 cnt)
 174 {
 175         int ret = STATUS_SUCCESS;
 176
 177         ret = ft1000_control(ft1000dev,
 178                              usb_rcvctrlpipe(ft1000dev->dev, 0),
 179                              HARLEY_READ_DPRAM_32,
 180                              HARLEY_READ_OPERATION,
 181                              0,
 182                              indx,
 183                              buffer,
 184                              cnt,
 185                              LARGE_TIMEOUT);
 186
 187         return ret;
 188 }
 189
 190 //---------------------------------------------------------------------------
 191 // Function:    ft1000_write_dpram32
 192 //
 193 // Parameters:  ft1000_device  - device structure
 194 //              indx - starting address to write the data
 195 //              buffer - data buffer to write into DPRAM
 196 //              cnt - number of bytes to write
 197 //
 198 // Returns:     STATUS_SUCCESS - success
 199 //              STATUS_FAILURE - failure
 200 //
 201 // Description: This function writes into DPRAM a number of bytes
 202 //
 203 // Notes:
 204 //
 205 //---------------------------------------------------------------------------
 206 int ft1000_write_dpram32(struct ft1000_device *ft1000dev, u16 indx, u8 *buffer,
 207                          u16 cnt)
 208 {
 209         int ret = STATUS_SUCCESS;
 210
 211         if (cnt % 4)
 212                 cnt += cnt - (cnt % 4);
 213
 214         ret = ft1000_control(ft1000dev,
 215                              usb_sndctrlpipe(ft1000dev->dev, 0),
 216                              HARLEY_WRITE_DPRAM_32,
 217                              HARLEY_WRITE_OPERATION,
 218                              0,
 219                              indx,
 220                              buffer,
 221                              cnt,
 222                              LARGE_TIMEOUT);
 223
 224         return ret;
 225 }
 226
 227 //---------------------------------------------------------------------------
 228 // Function:    ft1000_read_dpram16
 229 //
 230 // Parameters:  ft1000_device  - device structure
 231 //              indx - starting address to read
 232 //              buffer - data buffer to hold the data read
 233 //              hightlow - high or low 16 bit word
 234 //
 235 // Returns:     STATUS_SUCCESS - success
 236 //              STATUS_FAILURE - failure
 237 //
 238 // Description: This function read 16 bits from DPRAM
 239 //
 240 // Notes:
 241 //
 242 //---------------------------------------------------------------------------
 243 int ft1000_read_dpram16(struct ft1000_device *ft1000dev, u16 indx, u8 *buffer,
 244                         u8 highlow)
 245 {
 246         int ret = STATUS_SUCCESS;
 247         u8 request;
 248
 249         if (highlow == 0)
 250                 request = HARLEY_READ_DPRAM_LOW;
 251         else
 252                 request = HARLEY_READ_DPRAM_HIGH;
 253
 254         ret = ft1000_control(ft1000dev,
 255                              usb_rcvctrlpipe(ft1000dev->dev, 0),
 256                              request,
 257                              HARLEY_READ_OPERATION,
 258                              0,
 259                              indx,
 260                              buffer,
 261                              2,
 262                              LARGE_TIMEOUT);
 263
 264         return ret;
 265 }
 266
 267 //---------------------------------------------------------------------------
 268 // Function:    ft1000_write_dpram16
 269 //
 270 // Parameters:  ft1000_device  - device structure
 271 //              indx - starting address to write the data
 272 //              value - 16bits value to write
 273 //              hightlow - high or low 16 bit word
 274 //
 275 // Returns:     STATUS_SUCCESS - success
 276 //              STATUS_FAILURE - failure
 277 //
 278 // Description: This function writes into DPRAM a number of bytes
 279 //
 280 // Notes:
 281 //
 282 //---------------------------------------------------------------------------
 283 int ft1000_write_dpram16(struct ft1000_device *ft1000dev, u16 indx, u16 value, u8 highlow)
 284 {
 285         int ret = STATUS_SUCCESS;
 286         u8 request;
 287
 288         if (highlow == 0)
 289                 request = HARLEY_WRITE_DPRAM_LOW;
 290         else
 291                 request = HARLEY_WRITE_DPRAM_HIGH;
 292
 293         ret = ft1000_control(ft1000dev,
 294                              usb_sndctrlpipe(ft1000dev->dev, 0),
 295                              request,
 296                              HARLEY_WRITE_OPERATION,
 297                              value,
 298                              indx,
 299                              NULL,
 300                              0,
 301                              LARGE_TIMEOUT);
 302
 303         return ret;
 304 }
 305
 306 //---------------------------------------------------------------------------
 307 // Function:    fix_ft1000_read_dpram32
 308 //
 309 // Parameters:  ft1000_device  - device structure
 310 //              indx - starting address to read
 311 //              buffer - data buffer to hold the data read
 312 //
 313 //
 314 // Returns:     STATUS_SUCCESS - success
 315 //              STATUS_FAILURE - failure
 316 //
 317 // Description: This function read DPRAM 4 words at a time
 318 //
 319 // Notes:
 320 //
 321 //---------------------------------------------------------------------------
 322 int fix_ft1000_read_dpram32(struct ft1000_device *ft1000dev, u16 indx,
 323                             u8 *buffer)
 324 {
 325         u8 buf[16];
 326         u16 pos;
 327         int ret = STATUS_SUCCESS;
 328
 329         pos = (indx / 4) * 4;
 330         ret = ft1000_read_dpram32(ft1000dev, pos, buf, 16);
 331
 332         if (ret == STATUS_SUCCESS) {
 333                 pos = (indx % 4) * 4;
 334                 *buffer++ = buf[pos++];
 335                 *buffer++ = buf[pos++];
 336                 *buffer++ = buf[pos++];
 337                 *buffer++ = buf[pos++];
 338         } else {
 339                 DEBUG("fix_ft1000_read_dpram32: DPRAM32 Read failed\n");
 340                 *buffer++ = 0;
 341                 *buffer++ = 0;
 342                 *buffer++ = 0;
 343                 *buffer++ = 0;
 344         }
 345
 346         return ret;
 347 }
 348
 349
 350 //---------------------------------------------------------------------------
 351 // Function:    fix_ft1000_write_dpram32
 352 //
 353 // Parameters:  ft1000_device  - device structure
 354 //              indx - starting address to write
 355 //              buffer - data buffer to write
 356 //
 357 //
 358 // Returns:     STATUS_SUCCESS - success
 359 //              STATUS_FAILURE - failure
 360 //
 361 // Description: This function write to DPRAM 4 words at a time
 362 //
 363 // Notes:
 364 //
 365 //---------------------------------------------------------------------------
 366 int fix_ft1000_write_dpram32(struct ft1000_device *ft1000dev, u16 indx, u8 *buffer)
 367 {
 368         u16 pos1;
 369         u16 pos2;
 370         u16 i;
 371         u8 buf[32];
 372         u8 resultbuffer[32];
 373         u8 *pdata;
 374         int ret  = STATUS_SUCCESS;
 375
 376         pos1 = (indx / 4) * 4;
 377         pdata = buffer;
 378         ret = ft1000_read_dpram32(ft1000dev, pos1, buf, 16);
 379
 380         if (ret == STATUS_SUCCESS) {
 381                 pos2 = (indx % 4)*4;
 382                 buf[pos2++] = *buffer++;
 383                 buf[pos2++] = *buffer++;
 384                 buf[pos2++] = *buffer++;
 385                 buf[pos2++] = *buffer++;
 386                 ret = ft1000_write_dpram32(ft1000dev, pos1, buf, 16);
 387         } else {
 388                 DEBUG("fix_ft1000_write_dpram32: DPRAM32 Read failed\n");
 389                 return ret;
 390         }
 391
 392         ret = ft1000_read_dpram32(ft1000dev, pos1, (u8 *)&resultbuffer[0], 16);
 393
 394         if (ret == STATUS_SUCCESS) {
 395                 buffer = pdata;
 396                 for (i = 0; i < 16; i++) {
 397                         if (buf[i] != resultbuffer[i])
 398                                 ret = STATUS_FAILURE;
 399                 }
 400         }
 401
 402         if (ret == STATUS_FAILURE) {
 403                 ret = ft1000_write_dpram32(ft1000dev, pos1,
 404                                            (u8 *)&tempbuffer[0], 16);
 405                 ret = ft1000_read_dpram32(ft1000dev, pos1,
 406                                           (u8 *)&resultbuffer[0], 16);
 407                 if (ret == STATUS_SUCCESS) {
 408                         buffer = pdata;
 409                         for (i = 0; i < 16; i++) {
 410                                 if (tempbuffer[i] != resultbuffer[i]) {
 411                                         ret = STATUS_FAILURE;
 412                                         DEBUG("%s Failed to write\n",
 413                                               __func__);
 414                                 }
 415                         }
 416                 }
 417         }
 418
 419         return ret;
 420 }
 421
 422
 423 //------------------------------------------------------------------------
 424 //
 425 //  Function:   card_reset_dsp
 426 //
 427 //  Synopsis:   This function is called to reset or activate the DSP
 428 //
 429 //  Arguments:  value                  - reset or activate
 430 //
 431 //  Returns:    None
 432 //-----------------------------------------------------------------------
 433 static void card_reset_dsp(struct ft1000_device *ft1000dev, bool value)
 434 {
 435         u16 status = STATUS_SUCCESS;
 436         u16 tempword;
 437
 438         status = ft1000_write_register(ft1000dev, HOST_INTF_BE,
 439                                         FT1000_REG_SUP_CTRL);
 440         status = ft1000_read_register(ft1000dev, &tempword,
 441                                       FT1000_REG_SUP_CTRL);
 442
 443         if (value) {
 444                 DEBUG("Reset DSP\n");
 445                 status = ft1000_read_register(ft1000dev, &tempword,
 446                                               FT1000_REG_RESET);
 447                 tempword |= DSP_RESET_BIT;
 448                 status = ft1000_write_register(ft1000dev, tempword,
 449                                                FT1000_REG_RESET);
 450         } else {
 451                 DEBUG("Activate DSP\n");
 452                 status = ft1000_read_register(ft1000dev, &tempword,
 453                                               FT1000_REG_RESET);
 454                 tempword |= DSP_ENCRYPTED;
 455                 tempword &= ~DSP_UNENCRYPTED;
 456                 status = ft1000_write_register(ft1000dev, tempword,
 457                                                FT1000_REG_RESET);
 458                 status = ft1000_read_register(ft1000dev, &tempword,
 459                                               FT1000_REG_RESET);
 460                 tempword &= ~EFUSE_MEM_DISABLE;
 461                 tempword &= ~DSP_RESET_BIT;
 462                 status = ft1000_write_register(ft1000dev, tempword,
 463                                                FT1000_REG_RESET);
 464                 status = ft1000_read_register(ft1000dev, &tempword,
 465                                               FT1000_REG_RESET);
 466         }
 467 }
 468
 469 //---------------------------------------------------------------------------
 470 // Function:    card_send_command
 471 //
 472 // Parameters:  ft1000_device  - device structure
 473 //              ptempbuffer - command buffer
 474 //              size - command buffer size
 475 //
 476 // Returns:     STATUS_SUCCESS - success
 477 //              STATUS_FAILURE - failure
 478 //
 479 // Description: This function sends a command to ASIC
 480 //
 481 // Notes:
 482 //
 483 //---------------------------------------------------------------------------
 484 void card_send_command(struct ft1000_device *ft1000dev, void *ptempbuffer,
 485                        int size)
 486 {
 487         unsigned short temp;
 488         unsigned char *commandbuf;
 489
 490         DEBUG("card_send_command: enter card_send_command... size=%d\n", size);
 491
 492         commandbuf = (unsigned char *)kmalloc(size + 2, GFP_KERNEL);
 493         memcpy((void *)commandbuf + 2, (void *)ptempbuffer, size);
 494
 495         //DEBUG("card_send_command: Command Send\n");
 496
 497         ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL);
 498
 499         if (temp & 0x0100)
 500                 msleep(10);
 501
 502         /* check for odd word */
 503         size = size + 2;
 504
 505         /* Must force to be 32 bit aligned */
 506         if (size % 4)
 507                 size += 4 - (size % 4);
 508
 509         //DEBUG("card_send_command: write dpram ... size=%d\n", size);
 510         ft1000_write_dpram32(ft1000dev, 0, commandbuf, size);
 511         msleep(1);
 512         //DEBUG("card_send_command: write into doorbell ...\n");
 513         ft1000_write_register(ft1000dev, FT1000_DB_DPRAM_TX,
 514                               FT1000_REG_DOORBELL);
 515         msleep(1);
 516
 517         ft1000_read_register(ft1000dev, &temp, FT1000_REG_DOORBELL);
 518         //DEBUG("card_send_command: read doorbell ...temp=%x\n", temp);
 519         if ((temp & 0x0100) == 0) {
 520                 //DEBUG("card_send_command: Message sent\n");
 521         }
 522
 523 }
 524
 525 //--------------------------------------------------------------------------
 526 //
 527 //  Function:   dsp_reload
 528 //
 529 //  Synopsis:   This function is called to load or reload the DSP
 530 //
 531 //  Arguments:  ft1000dev - device structure
 532 //
 533 //  Returns:    None
 534 //-----------------------------------------------------------------------
 535 int dsp_reload(struct ft1000_device *ft1000dev)
 536 {
 537         u16 status;
 538         u16 tempword;
 539         u32 templong;
 540
 541         struct ft1000_info *pft1000info;
 542
 543         pft1000info = netdev_priv(ft1000dev->net);
 544
 545         pft1000info->CardReady = 0;
 546
 547         /* Program Interrupt Mask register */
 548         status = ft1000_write_register(ft1000dev, 0xffff, FT1000_REG_SUP_IMASK);
 549
 550         status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_RESET);
 551         tempword |= ASIC_RESET_BIT;
 552         status = ft1000_write_register(ft1000dev, tempword, FT1000_REG_RESET);
 553         msleep(1000);
 554         status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_RESET);
 555         DEBUG("Reset Register = 0x%x\n", tempword);
 556
 557         /* Toggle DSP reset */
 558         card_reset_dsp(ft1000dev, 1);
 559         msleep(1000);
 560         card_reset_dsp(ft1000dev, 0);
 561         msleep(1000);
 562
 563         status =
 564             ft1000_write_register(ft1000dev, HOST_INTF_BE, FT1000_REG_SUP_CTRL);
 565
 566         /* Let's check for FEFE */
 567         status =
 568             ft1000_read_dpram32(ft1000dev, FT1000_MAG_DPRAM_FEFE_INDX,
 569                                 (u8 *) &templong, 4);
 570         DEBUG("templong (fefe) = 0x%8x\n", templong);
 571
 572         /* call codeloader */
 573         status = scram_dnldr(ft1000dev, pFileStart, FileLength);
 574
 575         if (status != STATUS_SUCCESS)
 576                 return -EIO;
 577
 578         msleep(1000);
 579
 580         DEBUG("dsp_reload returned\n");
 581
 582         return 0;
 583 }
 584
 585 //---------------------------------------------------------------------------
 586 //
 587 // Function:   ft1000_reset_asic
 588 // Descripton: This function will call the Card Service function to reset the
 589 //             ASIC.
 590 // Input:
 591 //     dev    - device structure
 592 // Output:
 593 //     none
 594 //
 595 //---------------------------------------------------------------------------
 596 static void ft1000_reset_asic(struct net_device *dev)
 597 {
 598         struct ft1000_info *info = netdev_priv(dev);
 599         struct ft1000_device *ft1000dev = info->pFt1000Dev;
 600         u16 tempword;
 601
 602         DEBUG("ft1000_hw:ft1000_reset_asic called\n");
 603
 604         info->ASICResetNum++;
 605
 606         /* Let's use the register provided by the Magnemite ASIC to reset the
 607          * ASIC and DSP.
 608          */
 609         ft1000_write_register(ft1000dev, (DSP_RESET_BIT | ASIC_RESET_BIT),
 610                               FT1000_REG_RESET);
 611
 612         mdelay(1);
 613
 614         /* set watermark to -1 in order to not generate an interrrupt */
 615         ft1000_write_register(ft1000dev, 0xffff, FT1000_REG_MAG_WATERMARK);
 616
 617         /* clear interrupts */
 618         ft1000_read_register(ft1000dev, &tempword, FT1000_REG_SUP_ISR);
 619         DEBUG("ft1000_hw: interrupt status register = 0x%x\n", tempword);
 620         ft1000_write_register(ft1000dev, tempword, FT1000_REG_SUP_ISR);
 621         ft1000_read_register(ft1000dev, &tempword, FT1000_REG_SUP_ISR);
 622         DEBUG("ft1000_hw: interrupt status register = 0x%x\n", tempword);
 623 }
 624
 625
 626 //---------------------------------------------------------------------------
 627 //
 628 // Function:   ft1000_reset_card
 629 // Descripton: This function will reset the card
 630 // Input:
 631 //     dev    - device structure
 632 // Output:
 633 //     status - FALSE (card reset fail)
 634 //              TRUE  (card reset successful)
 635 //
 636 //---------------------------------------------------------------------------
 637 static int ft1000_reset_card(struct net_device *dev)
 638 {
 639         struct ft1000_info *info = netdev_priv(dev);
 640         struct ft1000_device *ft1000dev = info->pFt1000Dev;
 641         u16 tempword;
 642         struct prov_record *ptr;
 643
 644         DEBUG("ft1000_hw:ft1000_reset_card called.....\n");
 645
 646         info->fCondResetPend = 1;
 647         info->CardReady = 0;
 648         info->fProvComplete = 0;
 649
 650         /* Make sure we free any memory reserve for provisioning */
 651         while (list_empty(&info->prov_list) == 0) {
 652                 DEBUG("ft1000_reset_card:deleting provisioning record\n");
 653                 ptr =
 654                     list_entry(info->prov_list.next, struct prov_record, list);
 655                 list_del(&ptr->list);
 656                 kfree(ptr->pprov_data);
 657                 kfree(ptr);
 658         }
 659
 660         DEBUG("ft1000_hw:ft1000_reset_card: reset asic\n");
 661         ft1000_reset_asic(dev);
 662
 663         info->DSPResetNum++;
 664
 665         DEBUG("ft1000_hw:ft1000_reset_card: call dsp_reload\n");
 666         dsp_reload(ft1000dev);
 667
 668         DEBUG("dsp reload successful\n");
 669
 670         mdelay(10);
 671
 672         /* Initialize DSP heartbeat area */
 673         ft1000_write_dpram16(ft1000dev, FT1000_MAG_HI_HO, ho_mag,
 674                              FT1000_MAG_HI_HO_INDX);
 675         ft1000_read_dpram16(ft1000dev, FT1000_MAG_HI_HO, (u8 *) &tempword,
 676                             FT1000_MAG_HI_HO_INDX);
 677         DEBUG("ft1000_hw:ft1000_reset_card:hi_ho value = 0x%x\n", tempword);
 678
 679         info->CardReady = 1;
 680
 681         info->fCondResetPend = 0;
 682
 683         return TRUE;
 684 }
 685
 686
 687 //mbelian
 688 #ifdef HAVE_NET_DEVICE_OPS
 689 static const struct net_device_ops ftnet_ops =
 690 {
 691         .ndo_open = &ft1000_open,
 692         .ndo_stop = &ft1000_close,
 693         .ndo_start_xmit = &ft1000_start_xmit,
 694         .ndo_get_stats = &ft1000_netdev_stats,
 695 };
 696 #endif
 697
 698
 699 //---------------------------------------------------------------------------
 700 // Function:    init_ft1000_netdev
 701 //
 702 // Parameters:  ft1000dev  - device structure
 703 //
 704 //
 705 // Returns:     STATUS_SUCCESS - success
 706 //              STATUS_FAILURE - failure
 707 //
 708 // Description: This function initialize the network device
 709 //
 710 // Notes:
 711 //
 712 //---------------------------------------------------------------------------
 713 int init_ft1000_netdev(struct ft1000_device *ft1000dev)
 714 {
 715         struct net_device *netdev;
 716         struct ft1000_info *pInfo = NULL;
 717         struct dpram_blk *pdpram_blk;
 718         int i, ret_val;
 719         struct list_head *cur, *tmp;
 720         char card_nr[2];
 721         unsigned long gCardIndex = 0;
 722
 723         DEBUG("Enter init_ft1000_netdev...\n");
 724
 725         netdev = alloc_etherdev(sizeof(struct ft1000_info));
 726         if (!netdev) {
 727                 DEBUG("init_ft1000_netdev: can not allocate network device\n");
 728                 return -ENOMEM;
 729         }
 730
 731         pInfo = netdev_priv(netdev);
 732
 733         memset(pInfo, 0, sizeof(struct ft1000_info));
 734
 735         dev_alloc_name(netdev, netdev->name);
 736
 737         DEBUG("init_ft1000_netdev: network device name is %s\n", netdev->name);
 738
 739         if (strncmp(netdev->name, "eth", 3) == 0) {
 740                 card_nr[0] = netdev->name[3];
 741                 card_nr[1] = '\0';
 742                 ret_val = strict_strtoul(card_nr, 10, &gCardIndex);
 743                 if (ret_val) {
 744                         printk(KERN_ERR "Can't parse netdev\n");
 745                         goto err_net;
 746                 }
 747
 748                 pInfo->CardNumber = gCardIndex;
 749                 DEBUG("card number = %d\n", pInfo->CardNumber);
 750         } else {
 751                 printk(KERN_ERR "ft1000: Invalid device name\n");
 752                 ret_val = -ENXIO;
 753                 goto err_net;
 754         }
 755
 756         memset(&pInfo->stats, 0, sizeof(struct net_device_stats));
 757
 758         spin_lock_init(&pInfo->dpram_lock);
 759         pInfo->pFt1000Dev = ft1000dev;
 760         pInfo->DrvErrNum = 0;
 761         pInfo->ASICResetNum = 0;
 762         pInfo->registered = 1;
 763         pInfo->ft1000_reset = ft1000_reset;
 764         pInfo->mediastate = 0;
 765         pInfo->fifo_cnt = 0;
 766         pInfo->DeviceCreated = FALSE;
 767         pInfo->CurrentInterruptEnableMask = ISR_DEFAULT_MASK;
 768         pInfo->InterruptsEnabled = FALSE;
 769         pInfo->CardReady = 0;
 770         pInfo->DSP_TIME[0] = 0;
 771         pInfo->DSP_TIME[1] = 0;
 772         pInfo->DSP_TIME[2] = 0;
 773         pInfo->DSP_TIME[3] = 0;
 774         pInfo->fAppMsgPend = 0;
 775         pInfo->fCondResetPend = 0;
 776         pInfo->usbboot = 0;
 777         pInfo->dspalive = 0;
 778         memset(&pInfo->tempbuf[0], 0, sizeof(pInfo->tempbuf));
 779
 780         INIT_LIST_HEAD(&pInfo->prov_list);
 781
 782         INIT_LIST_HEAD(&pInfo->nodes.list);
 783
 784 #ifdef HAVE_NET_DEVICE_OPS
 785         netdev->netdev_ops = &ftnet_ops;
 786 #else
 787         netdev->hard_start_xmit = &ft1000_start_xmit;
 788         netdev->get_stats = &ft1000_netdev_stats;
 789         netdev->open = &ft1000_open;
 790         netdev->stop = &ft1000_close;
 791 #endif
 792
 793         ft1000dev->net = netdev;
 794
 795         DEBUG("Initialize free_buff_lock and freercvpool\n");
 796         spin_lock_init(&free_buff_lock);
 797
 798         /* initialize a list of buffers to be use for queuing
 799          * up receive command data
 800          */
 801         INIT_LIST_HEAD(&freercvpool);
 802
 803         /* create list of free buffers */
 804         for (i = 0; i < NUM_OF_FREE_BUFFERS; i++) {
 805                 /* Get memory for DPRAM_DATA link list */
 806                 pdpram_blk = kmalloc(sizeof(struct dpram_blk), GFP_KERNEL);
 807                 if (pdpram_blk == NULL) {
 808                         ret_val = -ENOMEM;
 809                         goto err_free;
 810                 }
 811                 /* Get a block of memory to store command data */
 812                 pdpram_blk->pbuffer = kmalloc(MAX_CMD_SQSIZE, GFP_KERNEL);
 813                 if (pdpram_blk->pbuffer == NULL) {
 814                         ret_val = -ENOMEM;
 815                         kfree(pdpram_blk);
 816                         goto err_free;
 817                 }
 818                 /* link provisioning data */
 819                 list_add_tail(&pdpram_blk->list, &freercvpool);
 820         }
 821         numofmsgbuf = NUM_OF_FREE_BUFFERS;
 822
 823         return 0;
 824
 825 err_free:
 826         list_for_each_safe(cur, tmp, &freercvpool) {
 827                 pdpram_blk = list_entry(cur, struct dpram_blk, list);
 828                 list_del(&pdpram_blk->list);
 829                 kfree(pdpram_blk->pbuffer);
 830                 kfree(pdpram_blk);
 831         }
 832 err_net:
 833         free_netdev(netdev);
 834         return ret_val;
 835 }
 836
 837 //---------------------------------------------------------------------------
 838 // Function:    reg_ft1000_netdev
 839 //
 840 // Parameters:  ft1000dev  - device structure
 841 //
 842 //
 843 // Returns:     STATUS_SUCCESS - success
 844 //              STATUS_FAILURE - failure
 845 //
 846 // Description: This function register the network driver
 847 //
 848 // Notes:
 849 //
 850 //---------------------------------------------------------------------------
 851 int reg_ft1000_netdev(struct ft1000_device *ft1000dev,
 852                       struct usb_interface *intf)
 853 {
 854         struct net_device *netdev;
 855         struct ft1000_info *pInfo;
 856         int rc;
 857
 858         netdev = ft1000dev->net;
 859         pInfo = netdev_priv(ft1000dev->net);
 860         DEBUG("Enter reg_ft1000_netdev...\n");
 861
 862         ft1000_read_register(ft1000dev, &pInfo->AsicID, FT1000_REG_ASIC_ID);
 863
 864         usb_set_intfdata(intf, pInfo);
 865         SET_NETDEV_DEV(netdev, &intf->dev);
 866
 867         rc = register_netdev(netdev);
 868         if (rc) {
 869                 DEBUG("reg_ft1000_netdev: could not register network device\n");
 870                 free_netdev(netdev);
 871                 return rc;
 872         }
 873
 874         ft1000_create_dev(ft1000dev);
 875
 876         DEBUG("reg_ft1000_netdev returned\n");
 877
 878         pInfo->CardReady = 1;
 879
 880         return 0;
 881 }
 882
 883 static int ft1000_reset(struct net_device *dev)
 884 {
 885         ft1000_reset_card(dev);
 886         return 0;
 887 }
 888
 889 //---------------------------------------------------------------------------
 890 // Function:    ft1000_usb_transmit_complete
 891 //
 892 // Parameters:  urb  - transmitted usb urb
 893 //
 894 //
 895 // Returns:     none
 896 //
 897 // Description: This is the callback function when a urb is transmitted
 898 //
 899 // Notes:
 900 //
 901 //---------------------------------------------------------------------------
 902 static void ft1000_usb_transmit_complete(struct urb *urb)
 903 {
 904
 905         struct ft1000_device *ft1000dev = urb->context;
 906
 907     //DEBUG("ft1000_usb_transmit_complete entered\n");
 908
 909         if (urb->status)
 910                 pr_err("%s: TX status %d\n", ft1000dev->net->name, urb->status);
 911
 912         netif_wake_queue(ft1000dev->net);
 913
 914     //DEBUG("Return from ft1000_usb_transmit_complete\n");
 915 }
 916
 917 //---------------------------------------------------------------------------
 918 //
 919 // Function:   ft1000_copy_down_pkt
 920 // Descripton: This function will take an ethernet packet and convert it to
 921 //             a Flarion packet prior to sending it to the ASIC Downlink
 922 //             FIFO.
 923 // Input:
 924 //     dev    - device structure
 925 //     packet - address of ethernet packet
 926 //     len    - length of IP packet
 927 // Output:
 928 //     status - FAILURE
 929 //              SUCCESS
 930 //
 931 //---------------------------------------------------------------------------
 932 static int ft1000_copy_down_pkt(struct net_device *netdev, u8 * packet, u16 len)
 933 {
 934         struct ft1000_info *pInfo = netdev_priv(netdev);
 935         struct ft1000_device *pFt1000Dev = pInfo->pFt1000Dev;
 936
 937         int count, ret;
 938         u8 *t;
 939         struct pseudo_hdr hdr;
 940
 941         if (!pInfo->CardReady) {
 942                 DEBUG("ft1000_copy_down_pkt::Card Not Ready\n");
 943                 return -ENODEV;
 944         }
 945
 946         //DEBUG("ft1000_copy_down_pkt() entered, len = %d\n", len);
 947
 948         count = sizeof(struct pseudo_hdr) + len;
 949         if (count > MAX_BUF_SIZE) {
 950                 DEBUG("Error:ft1000_copy_down_pkt:Message Size Overflow!\n");
 951                 DEBUG("size = %d\n", count);
 952                 return -EINVAL;
 953         }
 954
 955         if (count % 4)
 956                 count = count + (4 - (count % 4));
 957
 958         memset(&hdr, 0, sizeof(struct pseudo_hdr));
 959
 960         hdr.length = ntohs(count);
 961         hdr.source = 0x10;
 962         hdr.destination = 0x20;
 963         hdr.portdest = 0x20;
 964         hdr.portsrc = 0x10;
 965         hdr.sh_str_id = 0x91;
 966         hdr.control = 0x00;
 967
 968         hdr.checksum = hdr.length ^ hdr.source ^ hdr.destination ^
 969             hdr.portdest ^ hdr.portsrc ^ hdr.sh_str_id ^ hdr.control;
 970
 971         memcpy(&pFt1000Dev->tx_buf[0], &hdr, sizeof(hdr));
 972         memcpy(&(pFt1000Dev->tx_buf[sizeof(struct pseudo_hdr)]), packet, len);
 973
 974         netif_stop_queue(netdev);
 975
 976         //DEBUG ("ft1000_copy_down_pkt: count = %d\n", count);
 977
 978         usb_fill_bulk_urb(pFt1000Dev->tx_urb,
 979                           pFt1000Dev->dev,
 980                           usb_sndbulkpipe(pFt1000Dev->dev,
 981                                           pFt1000Dev->bulk_out_endpointAddr),
 982                           pFt1000Dev->tx_buf, count,
 983                           ft1000_usb_transmit_complete, (void *)pFt1000Dev);
 984
 985         t = (u8 *) pFt1000Dev->tx_urb->transfer_buffer;
 986         //DEBUG("transfer_length=%d\n", pFt1000Dev->tx_urb->transfer_buffer_length);
 987         /*for (i=0; i<count; i++ )
 988            {
 989            DEBUG("%x    ", *t++ );
 990            } */
 991
 992         ret = usb_submit_urb(pFt1000Dev->tx_urb, GFP_ATOMIC);
 993
 994         if (ret) {
 995                 DEBUG("ft1000 failed tx_urb %d\n", ret);
 996                 return ret;
 997         } else {
 998                 pInfo->stats.tx_packets++;
 999                 pInfo->stats.tx_bytes += (len + 14);
1000         }
1001
1002         //DEBUG("ft1000_copy_down_pkt() exit\n");
1003
1004         return 0;
1005 }
1006
1007
1008 //---------------------------------------------------------------------------
1009 // Function:    ft1000_start_xmit
1010 //
1011 // Parameters:  skb - socket buffer to be sent
1012 //              dev - network device
1013 //
1014 //
1015 // Returns:     none
1016 //
1017 // Description: transmit a ethernet packet
1018 //
1019 // Notes:
1020 //
1021 //---------------------------------------------------------------------------
1022 static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
1023 {
1024         struct ft1000_info *pInfo = netdev_priv(dev);
1025         struct ft1000_device *pFt1000Dev = pInfo->pFt1000Dev;
1026         u8 *pdata;
1027         int maxlen, pipe;
1028
1029         //DEBUG(" ft1000_start_xmit() entered\n");
1030
1031         if (skb == NULL) {
1032                 DEBUG("ft1000_hw: ft1000_start_xmit:skb == NULL!!!\n");
1033                 return NETDEV_TX_OK;
1034         }
1035
1036         if (pFt1000Dev->status & FT1000_STATUS_CLOSING) {
1037                 DEBUG("network driver is closed, return\n");
1038                 goto err;
1039         }
1040         //DEBUG("ft1000_start_xmit 1:length of packet = %d\n", skb->len);
1041         pipe =
1042             usb_sndbulkpipe(pFt1000Dev->dev, pFt1000Dev->bulk_out_endpointAddr);
1043         maxlen = usb_maxpacket(pFt1000Dev->dev, pipe, usb_pipeout(pipe));
1044         //DEBUG("ft1000_start_xmit 2: pipe=%d dev->maxpacket  = %d\n", pipe, maxlen);
1045
1046         pdata = (u8 *) skb->data;
1047         /*for (i=0; i<skb->len; i++)
1048            DEBUG("skb->data[%d]=%x    ", i, *(skb->data+i));
1049
1050            DEBUG("\n"); */
1051
1052         if (pInfo->mediastate == 0) {
1053                 /* Drop packet is mediastate is down */
1054                 DEBUG("ft1000_hw:ft1000_start_xmit:mediastate is down\n");
1055                 goto err;
1056         }
1057
1058         if ((skb->len < ENET_HEADER_SIZE) || (skb->len > ENET_MAX_SIZE)) {
1059                 /* Drop packet which has invalid size */
1060                 DEBUG("ft1000_hw:ft1000_start_xmit:invalid ethernet length\n");
1061                 goto err;
1062         }
1063 //mbelian
1064         ft1000_copy_down_pkt(dev, (pdata + ENET_HEADER_SIZE - 2),
1065                              skb->len - ENET_HEADER_SIZE + 2);
1066
1067 err:
1068         dev_kfree_skb(skb);
1069         //DEBUG(" ft1000_start_xmit() exit\n");
1070
1071         return NETDEV_TX_OK;
1072 }
1073
1074
1075 //---------------------------------------------------------------------------
1076 //
1077 // Function:   ft1000_copy_up_pkt
1078 // Descripton: This function will take a packet from the FIFO up link and
1079 //             convert it into an ethernet packet and deliver it to the IP stack
1080 // Input:
1081 //     urb - the receving usb urb
1082 //
1083 // Output:
1084 //     status - FAILURE
1085 //              SUCCESS
1086 //
1087 //---------------------------------------------------------------------------
1088 static int ft1000_copy_up_pkt (struct urb *urb)
1089 {
1090         struct ft1000_info *info = urb->context;
1091     struct ft1000_device *ft1000dev = info->pFt1000Dev;
1092     struct net_device *net = ft1000dev->net;
1093
1094     u16 tempword;
1095     u16 len;
1096     u16 lena; //mbelian
1097     struct sk_buff *skb;
1098     u16 i;
1099     u8 *pbuffer=NULL;
1100     u8 *ptemp=NULL;
1101     u16 *chksum;
1102
1103
1104     //DEBUG("ft1000_copy_up_pkt entered\n");
1105
1106     if ( ft1000dev->status & FT1000_STATUS_CLOSING)
1107     {
1108         DEBUG("network driver is closed, return\n");
1109         return STATUS_SUCCESS;
1110     }
1111
1112     // Read length
1113     len = urb->transfer_buffer_length;
1114     lena = urb->actual_length; //mbelian
1115     //DEBUG("ft1000_copy_up_pkt: transfer_buffer_length=%d, actual_buffer_len=%d\n",
1116       //       urb->transfer_buffer_length, urb->actual_length);
1117
1118     chksum = (u16 *)ft1000dev->rx_buf;
1119
1120     tempword = *chksum++;
1121     for (i=1; i<7; i++)
1122     {
1123         tempword ^= *chksum++;
1124     }
1125
1126     if  (tempword != *chksum)
1127     {
1128         info->stats.rx_errors ++;
1129         ft1000_submit_rx_urb(info);
1130         return STATUS_FAILURE;
1131     }
1132
1133
1134     //DEBUG("ft1000_copy_up_pkt: checksum is correct %x\n", *chksum);
1135
1136     skb = dev_alloc_skb(len+12+2);
1137
1138     if (skb == NULL)
1139     {
1140         DEBUG("ft1000_copy_up_pkt: No Network buffers available\n");
1141         info->stats.rx_errors++;
1142         ft1000_submit_rx_urb(info);
1143         return STATUS_FAILURE;
1144     }
1145
1146     pbuffer = (u8 *)skb_put(skb, len+12);
1147
1148     //subtract the number of bytes read already
1149     ptemp = pbuffer;
1150
1151     // fake MAC address
1152     *pbuffer++ = net->dev_addr[0];
1153     *pbuffer++ = net->dev_addr[1];
1154     *pbuffer++ = net->dev_addr[2];
1155     *pbuffer++ = net->dev_addr[3];
1156     *pbuffer++ = net->dev_addr[4];
1157     *pbuffer++ = net->dev_addr[5];
1158     *pbuffer++ = 0x00;
1159     *pbuffer++ = 0x07;
1160     *pbuffer++ = 0x35;
1161     *pbuffer++ = 0xff;
1162     *pbuffer++ = 0xff;
1163     *pbuffer++ = 0xfe;
1164
1165
1166
1167
1168         memcpy(pbuffer, ft1000dev->rx_buf+sizeof(struct pseudo_hdr), len-sizeof(struct pseudo_hdr));
1169
1170     //DEBUG("ft1000_copy_up_pkt: Data passed to Protocol layer\n");
1171     /*for (i=0; i<len+12; i++)
1172     {
1173         DEBUG("ft1000_copy_up_pkt: Protocol Data: 0x%x\n ", *ptemp++);
1174     }*/
1175
1176     skb->dev = net;
1177
1178     skb->protocol = eth_type_trans(skb, net);
1179     skb->ip_summed = CHECKSUM_UNNECESSARY;
1180     netif_rx(skb);
1181
1182     info->stats.rx_packets++;
1183     // Add on 12 bytes for MAC address which was removed
1184     info->stats.rx_bytes += (lena+12); //mbelian
1185
1186     ft1000_submit_rx_urb(info);
1187     //DEBUG("ft1000_copy_up_pkt exited\n");
1188     return SUCCESS;
1189 }
1190
1191 //---------------------------------------------------------------------------
1192 //
1193 // Function:   ft1000_submit_rx_urb
1194 // Descripton: the receiving function of the network driver
1195 //
1196 // Input:
1197 //     info - a private structure contains the device information
1198 //
1199 // Output:
1200 //     status - FAILURE
1201 //              SUCCESS
1202 //
1203 //---------------------------------------------------------------------------
1204 static int ft1000_submit_rx_urb(struct ft1000_info *info)
1205 {
1206     int result;
1207     struct ft1000_device *pFt1000Dev = info->pFt1000Dev;
1208
1209
1210     //DEBUG ("ft1000_submit_rx_urb entered: sizeof rx_urb is %d\n", sizeof(*pFt1000Dev->rx_urb));
1211     if ( pFt1000Dev->status & FT1000_STATUS_CLOSING)
1212     {
1213         DEBUG("network driver is closed, return\n");
1214         //usb_kill_urb(pFt1000Dev->rx_urb); //mbelian
1215         return -ENODEV;
1216     }
1217
1218     usb_fill_bulk_urb(pFt1000Dev->rx_urb,
1219             pFt1000Dev->dev,
1220             usb_rcvbulkpipe(pFt1000Dev->dev, pFt1000Dev->bulk_in_endpointAddr),
1221             pFt1000Dev->rx_buf,
1222             MAX_BUF_SIZE,
1223             (usb_complete_t)ft1000_copy_up_pkt,
1224             info);
1225
1226
1227     if((result = usb_submit_urb(pFt1000Dev->rx_urb, GFP_ATOMIC)))
1228     {
1229         printk("ft1000_submit_rx_urb: submitting rx_urb %d failed\n", result);
1230         return result;
1231     }
1232
1233     //DEBUG("ft1000_submit_rx_urb exit: result=%d\n", result);
1234
1235         return 0;
1236 }
1237
1238 //---------------------------------------------------------------------------
1239 // Function:    ft1000_open
1240 //
1241 // Parameters:
1242 //              dev - network device
1243 //
1244 //
1245 // Returns:     none
1246 //
1247 // Description: open the network driver
1248 //
1249 // Notes:
1250 //
1251 //---------------------------------------------------------------------------
1252 static int ft1000_open (struct net_device *dev)
1253 {
1254         struct ft1000_info *pInfo = netdev_priv(dev);
1255     struct timeval tv; //mbelian
1256         int ret;
1257
1258     DEBUG("ft1000_open is called for card %d\n", pInfo->CardNumber);
1259     //DEBUG("ft1000_open: dev->addr=%x, dev->addr_len=%d\n", dev->addr, dev->addr_len);
1260
1261         pInfo->stats.rx_bytes = 0; //mbelian
1262         pInfo->stats.tx_bytes = 0; //mbelian
1263         pInfo->stats.rx_packets = 0; //mbelian
1264         pInfo->stats.tx_packets = 0; //mbelian
1265         do_gettimeofday(&tv);
1266     pInfo->ConTm = tv.tv_sec;
1267         pInfo->ProgConStat = 0; //mbelian
1268
1269
1270     netif_start_queue(dev);
1271
1272     netif_carrier_on(dev); //mbelian
1273
1274         ret = ft1000_submit_rx_urb(pInfo);
1275
1276         return ret;
1277 }
1278
1279 //---------------------------------------------------------------------------
1280 // Function:    ft1000_close
1281 //
1282 // Parameters:
1283 //              net - network device
1284 //
1285 //
1286 // Returns:     none
1287 //
1288 // Description: close the network driver
1289 //
1290 // Notes:
1291 //
1292 //---------------------------------------------------------------------------
1293 int ft1000_close(struct net_device *net)
1294 {
1295         struct ft1000_info *pInfo = netdev_priv(net);
1296     struct ft1000_device *ft1000dev = pInfo->pFt1000Dev;
1297
1298     //DEBUG ("ft1000_close: netdev->refcnt=%d\n", net->refcnt);
1299
1300     ft1000dev->status |= FT1000_STATUS_CLOSING;
1301
1302     //DEBUG("ft1000_close: calling usb_kill_urb \n");
1303
1304     DEBUG("ft1000_close: pInfo=%p, ft1000dev=%p\n", pInfo, ft1000dev);
1305     netif_carrier_off(net);//mbelian
1306     netif_stop_queue(net);
1307     //DEBUG("ft1000_close: netif_stop_queue called\n");
1308     ft1000dev->status &= ~FT1000_STATUS_CLOSING;
1309
1310    pInfo->ProgConStat = 0xff; //mbelian
1311
1312
1313     return 0;
1314 }
1315
1316 static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev)
1317 {
1318         struct ft1000_info *info = netdev_priv(dev);
1319
1320         return &(info->stats); //mbelian
1321 }
1322
1323
1324 /*********************************************************************************
1325 Jim
1326 */
1327
1328
1329 //---------------------------------------------------------------------------
1330 //
1331 // Function:   ft1000_chkcard
1332 // Descripton: This function will check if the device is presently available on
1333 //             the system.
1334 // Input:
1335 //     dev    - device structure
1336 // Output:
1337 //     status - FALSE (device is not present)
1338 //              TRUE  (device is present)
1339 //
1340 //---------------------------------------------------------------------------
1341 static int ft1000_chkcard (struct ft1000_device *dev) {
1342     u16 tempword;
1343     u16 status;
1344         struct ft1000_info *info = netdev_priv(dev->net);
1345
1346     if (info->fCondResetPend)
1347     {
1348         DEBUG("ft1000_hw:ft1000_chkcard:Card is being reset, return FALSE\n");
1349         return TRUE;
1350     }
1351
1352     // Mask register is used to check for device presence since it is never
1353     // set to zero.
1354     status = ft1000_read_register(dev, &tempword, FT1000_REG_SUP_IMASK);
1355     //DEBUG("ft1000_hw:ft1000_chkcard: read FT1000_REG_SUP_IMASK = %x\n", tempword);
1356     if (tempword == 0) {
1357         DEBUG("ft1000_hw:ft1000_chkcard: IMASK = 0 Card not detected\n");
1358         return FALSE;
1359     }
1360
1361     // The system will return the value of 0xffff for the version register
1362     // if the device is not present.
1363     status = ft1000_read_register(dev, &tempword, FT1000_REG_ASIC_ID);
1364     //DEBUG("ft1000_hw:ft1000_chkcard: read FT1000_REG_ASIC_ID = %x\n", tempword);
1365     if (tempword != 0x1b01 ){
1366         dev->status |= FT1000_STATUS_CLOSING; //mbelian
1367         DEBUG("ft1000_hw:ft1000_chkcard: Version = 0xffff Card not detected\n");
1368         return FALSE;
1369     }
1370     return TRUE;
1371 }
1372
1373
1374
1375 //---------------------------------------------------------------------------
1376 //
1377 // Function:   ft1000_receive_cmd
1378 // Descripton: This function will read a message from the dpram area.
1379 // Input:
1380 //    dev - network device structure
1381 //    pbuffer - caller supply address to buffer
1382 //    pnxtph - pointer to next pseudo header
1383 // Output:
1384 //   Status = 0 (unsuccessful)
1385 //          = 1 (successful)
1386 //
1387 //---------------------------------------------------------------------------
1388 static bool ft1000_receive_cmd (struct ft1000_device *dev, u16 *pbuffer, int maxsz, u16 *pnxtph) {
1389     u16 size, ret;
1390     u16 *ppseudohdr;
1391     int i;
1392     u16 tempword;
1393
1394     ret = ft1000_read_dpram16(dev, FT1000_MAG_PH_LEN, (u8 *)&size, FT1000_MAG_PH_LEN_INDX);
1395     size = ntohs(size) + PSEUDOSZ;
1396     if (size > maxsz) {
1397         DEBUG("FT1000:ft1000_receive_cmd:Invalid command length = %d\n", size);
1398         return FALSE;
1399     }
1400     else {
1401         ppseudohdr = (u16 *)pbuffer;
1402         ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE, FT1000_REG_DPRAM_ADDR);
1403         ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
1404         //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
1405         pbuffer++;
1406         ft1000_write_register(dev,  FT1000_DPRAM_MAG_RX_BASE+1, FT1000_REG_DPRAM_ADDR);
1407         for (i=0; i<=(size>>2); i++) {
1408             ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
1409             pbuffer++;
1410             ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
1411             pbuffer++;
1412         }
1413         //copy odd aligned word
1414         ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
1415         //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
1416         pbuffer++;
1417         ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
1418         //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
1419         pbuffer++;
1420         if (size & 0x0001) {
1421             //copy odd byte from fifo
1422             ret = ft1000_read_register(dev, &tempword, FT1000_REG_DPRAM_DATA);
1423             *pbuffer = ntohs(tempword);
1424         }
1425
1426         // Check if pseudo header checksum is good
1427         // Calculate pseudo header checksum
1428         tempword = *ppseudohdr++;
1429         for (i=1; i<7; i++) {
1430             tempword ^= *ppseudohdr++;
1431         }
1432         if ( (tempword != *ppseudohdr) ) {
1433             return FALSE;
1434         }
1435
1436         return TRUE;
1437     }
1438 }
1439
1440
1441 static int ft1000_dsp_prov(void *arg)
1442 {
1443     struct ft1000_device *dev = (struct ft1000_device *)arg;
1444         struct ft1000_info *info = netdev_priv(dev->net);
1445     u16 tempword;
1446     u16 len;
1447     u16 i=0;
1448         struct prov_record *ptr;
1449         struct pseudo_hdr *ppseudo_hdr;
1450     u16 *pmsg;
1451     u16 status;
1452     u16 TempShortBuf [256];
1453
1454     DEBUG("*** DspProv Entered\n");
1455
1456     while (list_empty(&info->prov_list) == 0)
1457     {
1458         DEBUG("DSP Provisioning List Entry\n");
1459
1460         // Check if doorbell is available
1461         DEBUG("check if doorbell is cleared\n");
1462         status = ft1000_read_register (dev, &tempword, FT1000_REG_DOORBELL);
1463         if (status)
1464         {
1465                 DEBUG("ft1000_dsp_prov::ft1000_read_register error\n");
1466             break;
1467         }
1468
1469         while (tempword & FT1000_DB_DPRAM_TX) {
1470             mdelay(10);
1471             i++;
1472             if (i==10) {
1473                DEBUG("FT1000:ft1000_dsp_prov:message drop\n");
1474                return STATUS_FAILURE;
1475             }
1476             ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1477         }
1478
1479         if ( !(tempword & FT1000_DB_DPRAM_TX) ) {
1480             DEBUG("*** Provision Data Sent to DSP\n");
1481
1482             // Send provisioning data
1483                 ptr = list_entry(info->prov_list.next, struct prov_record, list);
1484             len = *(u16 *)ptr->pprov_data;
1485             len = htons(len);
1486             len += PSEUDOSZ;
1487
1488             pmsg = (u16 *)ptr->pprov_data;
1489                 ppseudo_hdr = (struct pseudo_hdr *)pmsg;
1490             // Insert slow queue sequence number
1491             ppseudo_hdr->seq_num = info->squeseqnum++;
1492             ppseudo_hdr->portsrc = 0;
1493             // Calculate new checksum
1494             ppseudo_hdr->checksum = *pmsg++;
1495             //DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
1496             for (i=1; i<7; i++) {
1497                 ppseudo_hdr->checksum ^= *pmsg++;
1498                 //DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
1499             }
1500
1501             TempShortBuf[0] = 0;
1502             TempShortBuf[1] = htons (len);
1503             memcpy(&TempShortBuf[2], ppseudo_hdr, len);
1504
1505             status = ft1000_write_dpram32 (dev, 0, (u8 *)&TempShortBuf[0], (unsigned short)(len+2));
1506             status = ft1000_write_register (dev, FT1000_DB_DPRAM_TX, FT1000_REG_DOORBELL);
1507
1508             list_del(&ptr->list);
1509             kfree(ptr->pprov_data);
1510             kfree(ptr);
1511         }
1512         msleep(10);
1513     }
1514
1515     DEBUG("DSP Provisioning List Entry finished\n");
1516
1517     msleep(100);
1518
1519     info->fProvComplete = 1;
1520     info->CardReady = 1;
1521     return STATUS_SUCCESS;
1522
1523 }
1524
1525
1526 static int ft1000_proc_drvmsg (struct ft1000_device *dev, u16 size) {
1527         struct ft1000_info *info = netdev_priv(dev->net);
1528     u16 msgtype;
1529     u16 tempword;
1530         struct media_msg *pmediamsg;
1531         struct dsp_init_msg *pdspinitmsg;
1532         struct drv_msg *pdrvmsg;
1533     u16 i;
1534         struct pseudo_hdr *ppseudo_hdr;
1535     u16 *pmsg;
1536     u16 status;
1537     union {
1538         u8  byte[2];
1539         u16 wrd;
1540     } convert;
1541
1542
1543     char *cmdbuffer = kmalloc(1600, GFP_KERNEL);
1544     if (!cmdbuffer)
1545         return STATUS_FAILURE;
1546
1547     status = ft1000_read_dpram32(dev, 0x200, cmdbuffer, size);
1548
1549
1550
1551 #ifdef JDEBUG
1552         DEBUG("ft1000_proc_drvmsg:cmdbuffer\n");
1553         for(i = 0; i < size; i+=5)
1554         {
1555             if( (i + 5) < size )
1556                 DEBUG("0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n", cmdbuffer[i], cmdbuffer[i+1], cmdbuffer[i+2], cmdbuffer[i+3], cmdbuffer[i+4]);
1557             else
1558             {
1559                 for (j = i; j < size; j++)
1560                 DEBUG("0x%x ", cmdbuffer[j]);
1561                 DEBUG("\n");
1562                 break;
1563             }
1564         }
1565 #endif
1566         pdrvmsg = (struct drv_msg *)&cmdbuffer[2];
1567         msgtype = ntohs(pdrvmsg->type);
1568         DEBUG("ft1000_proc_drvmsg:Command message type = 0x%x\n", msgtype);
1569         switch (msgtype) {
1570             case MEDIA_STATE: {
1571                 DEBUG("ft1000_proc_drvmsg:Command message type = MEDIA_STATE");
1572
1573                 pmediamsg = (struct media_msg *)&cmdbuffer[0];
1574                 if (info->ProgConStat != 0xFF) {
1575                     if (pmediamsg->state) {
1576                         DEBUG("Media is up\n");
1577                         if (info->mediastate == 0) {
1578                             if ( info->NetDevRegDone )
1579                             {
1580                                 //netif_carrier_on(dev->net);//mbelian
1581                                 netif_wake_queue(dev->net);
1582                             }
1583                             info->mediastate = 1;
1584                             /*do_gettimeofday(&tv);
1585                             info->ConTm = tv.tv_sec;*/ //mbelian
1586                         }
1587                     }
1588                     else {
1589                         DEBUG("Media is down\n");
1590                         if (info->mediastate == 1) {
1591                             info->mediastate = 0;
1592                             if ( info->NetDevRegDone )
1593                             {
1594                                 //netif_carrier_off(dev->net); mbelian
1595                                 //netif_stop_queue(dev->net);
1596                             }
1597                             info->ConTm = 0;
1598                         }
1599                     }
1600                 }
1601                 else {
1602                     DEBUG("Media is down\n");
1603                     if (info->mediastate == 1) {
1604                         info->mediastate = 0;
1605                         if ( info->NetDevRegDone)
1606                         {
1607                             //netif_carrier_off(dev->net); //mbelian
1608                             //netif_stop_queue(dev->net);
1609                         }
1610                         info->ConTm = 0;
1611                     }
1612                 }
1613                 break;
1614             }
1615             case DSP_INIT_MSG: {
1616                 DEBUG("ft1000_proc_drvmsg:Command message type = DSP_INIT_MSG");
1617
1618                 pdspinitmsg = (struct dsp_init_msg *)&cmdbuffer[2];
1619                 memcpy(info->DspVer, pdspinitmsg->DspVer, DSPVERSZ);
1620                 DEBUG("DSPVER = 0x%2x 0x%2x 0x%2x 0x%2x\n", info->DspVer[0], info->DspVer[1], info->DspVer[2], info->DspVer[3]);
1621                 memcpy(info->HwSerNum, pdspinitmsg->HwSerNum, HWSERNUMSZ);
1622                 memcpy(info->Sku, pdspinitmsg->Sku, SKUSZ);
1623                 memcpy(info->eui64, pdspinitmsg->eui64, EUISZ);
1624                 DEBUG("EUI64=%2x.%2x.%2x.%2x.%2x.%2x.%2x.%2x\n", info->eui64[0],info->eui64[1], info->eui64[2], info->eui64[3], info->eui64[4], info->eui64[5],info->eui64[6], info->eui64[7]);
1625                 dev->net->dev_addr[0] = info->eui64[0];
1626                 dev->net->dev_addr[1] = info->eui64[1];
1627                 dev->net->dev_addr[2] = info->eui64[2];
1628                 dev->net->dev_addr[3] = info->eui64[5];
1629                 dev->net->dev_addr[4] = info->eui64[6];
1630                 dev->net->dev_addr[5] = info->eui64[7];
1631
1632                 if (ntohs(pdspinitmsg->length) == (sizeof(struct dsp_init_msg) - 20)) {
1633                     memcpy(info->ProductMode, pdspinitmsg->ProductMode, MODESZ);
1634                     memcpy(info->RfCalVer, pdspinitmsg->RfCalVer, CALVERSZ);
1635                     memcpy(info->RfCalDate, pdspinitmsg->RfCalDate, CALDATESZ);
1636                     DEBUG("RFCalVer = 0x%2x 0x%2x\n", info->RfCalVer[0], info->RfCalVer[1]);
1637                 }
1638                 break;
1639             }
1640             case DSP_PROVISION: {
1641                 DEBUG("ft1000_proc_drvmsg:Command message type = DSP_PROVISION\n");
1642
1643                 // kick off dspprov routine to start provisioning
1644                 // Send provisioning data to DSP
1645                 if (list_empty(&info->prov_list) == 0)
1646                 {
1647                     info->fProvComplete = 0;
1648                     status = ft1000_dsp_prov(dev);
1649                     if (status != STATUS_SUCCESS)
1650                         goto out;
1651                 }
1652                 else {
1653                     info->fProvComplete = 1;
1654                     status = ft1000_write_register (dev, FT1000_DB_HB, FT1000_REG_DOORBELL);
1655                     DEBUG("FT1000:drivermsg:No more DSP provisioning data in dsp image\n");
1656                 }
1657                 DEBUG("ft1000_proc_drvmsg:DSP PROVISION is done\n");
1658                 break;
1659             }
1660             case DSP_STORE_INFO: {
1661                 DEBUG("ft1000_proc_drvmsg:Command message type = DSP_STORE_INFO");
1662
1663                 DEBUG("FT1000:drivermsg:Got DSP_STORE_INFO\n");
1664                 tempword = ntohs(pdrvmsg->length);
1665                 info->DSPInfoBlklen = tempword;
1666                 if (tempword < (MAX_DSP_SESS_REC-4) ) {
1667                     pmsg = (u16 *)&pdrvmsg->data[0];
1668                     for (i=0; i<((tempword+1)/2); i++) {
1669                         DEBUG("FT1000:drivermsg:dsp info data = 0x%x\n", *pmsg);
1670                         info->DSPInfoBlk[i+10] = *pmsg++;
1671                     }
1672                 }
1673                 else {
1674                     info->DSPInfoBlklen = 0;
1675                 }
1676                 break;
1677             }
1678             case DSP_GET_INFO: {
1679                 DEBUG("FT1000:drivermsg:Got DSP_GET_INFO\n");
1680                 // copy dsp info block to dsp
1681                 info->DrvMsgPend = 1;
1682                 // allow any outstanding ioctl to finish
1683                 mdelay(10);
1684                 status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1685                 if (tempword & FT1000_DB_DPRAM_TX) {
1686                     mdelay(10);
1687                     status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1688                     if (tempword & FT1000_DB_DPRAM_TX) {
1689                         mdelay(10);
1690                             status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1691                             if (tempword & FT1000_DB_DPRAM_TX) {
1692                                 break;
1693                             }
1694                     }
1695                 }
1696
1697                 // Put message into Slow Queue
1698                 // Form Pseudo header
1699                 pmsg = (u16 *)info->DSPInfoBlk;
1700                 *pmsg++ = 0;
1701                 *pmsg++ = htons(info->DSPInfoBlklen+20+info->DSPInfoBlklen);
1702                 ppseudo_hdr = (struct pseudo_hdr *)(u16 *)&info->DSPInfoBlk[2];
1703                 ppseudo_hdr->length = htons(info->DSPInfoBlklen+4+info->DSPInfoBlklen);
1704                 ppseudo_hdr->source = 0x10;
1705                 ppseudo_hdr->destination = 0x20;
1706                 ppseudo_hdr->portdest = 0;
1707                 ppseudo_hdr->portsrc = 0;
1708                 ppseudo_hdr->sh_str_id = 0;
1709                 ppseudo_hdr->control = 0;
1710                 ppseudo_hdr->rsvd1 = 0;
1711                 ppseudo_hdr->rsvd2 = 0;
1712                 ppseudo_hdr->qos_class = 0;
1713                 // Insert slow queue sequence number
1714                 ppseudo_hdr->seq_num = info->squeseqnum++;
1715                 // Insert application id
1716                 ppseudo_hdr->portsrc = 0;
1717                 // Calculate new checksum
1718                 ppseudo_hdr->checksum = *pmsg++;
1719                 for (i=1; i<7; i++) {
1720                     ppseudo_hdr->checksum ^= *pmsg++;
1721                 }
1722                 info->DSPInfoBlk[10] = 0x7200;
1723                 info->DSPInfoBlk[11] = htons(info->DSPInfoBlklen);
1724                 status = ft1000_write_dpram32 (dev, 0, (u8 *)&info->DSPInfoBlk[0], (unsigned short)(info->DSPInfoBlklen+22));
1725                 status = ft1000_write_register (dev, FT1000_DB_DPRAM_TX, FT1000_REG_DOORBELL);
1726                 info->DrvMsgPend = 0;
1727
1728                 break;
1729             }
1730
1731           case GET_DRV_ERR_RPT_MSG: {
1732               DEBUG("FT1000:drivermsg:Got GET_DRV_ERR_RPT_MSG\n");
1733               // copy driver error message to dsp
1734               info->DrvMsgPend = 1;
1735               // allow any outstanding ioctl to finish
1736               mdelay(10);
1737               status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1738               if (tempword & FT1000_DB_DPRAM_TX) {
1739                   mdelay(10);
1740                   status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1741                   if (tempword & FT1000_DB_DPRAM_TX) {
1742                       mdelay(10);
1743                   }
1744               }
1745
1746               if ( (tempword & FT1000_DB_DPRAM_TX) == 0) {
1747                   // Put message into Slow Queue
1748                   // Form Pseudo header
1749                   pmsg = (u16 *)&tempbuffer[0];
1750                         ppseudo_hdr = (struct pseudo_hdr *)pmsg;
1751                   ppseudo_hdr->length = htons(0x0012);
1752                   ppseudo_hdr->source = 0x10;
1753                   ppseudo_hdr->destination = 0x20;
1754                   ppseudo_hdr->portdest = 0;
1755                   ppseudo_hdr->portsrc = 0;
1756                   ppseudo_hdr->sh_str_id = 0;
1757                   ppseudo_hdr->control = 0;
1758                   ppseudo_hdr->rsvd1 = 0;
1759                   ppseudo_hdr->rsvd2 = 0;
1760                   ppseudo_hdr->qos_class = 0;
1761                   // Insert slow queue sequence number
1762                   ppseudo_hdr->seq_num = info->squeseqnum++;
1763                   // Insert application id
1764                   ppseudo_hdr->portsrc = 0;
1765                   // Calculate new checksum
1766                   ppseudo_hdr->checksum = *pmsg++;
1767                   for (i=1; i<7; i++) {
1768                       ppseudo_hdr->checksum ^= *pmsg++;
1769                   }
1770                   pmsg = (u16 *)&tempbuffer[16];
1771                   *pmsg++ = htons(RSP_DRV_ERR_RPT_MSG);
1772                   *pmsg++ = htons(0x000e);
1773                   *pmsg++ = htons(info->DSP_TIME[0]);
1774                   *pmsg++ = htons(info->DSP_TIME[1]);
1775                   *pmsg++ = htons(info->DSP_TIME[2]);
1776                   *pmsg++ = htons(info->DSP_TIME[3]);
1777                   convert.byte[0] = info->DspVer[0];
1778                   convert.byte[1] = info->DspVer[1];
1779                   *pmsg++ = convert.wrd;
1780                   convert.byte[0] = info->DspVer[2];
1781                   convert.byte[1] = info->DspVer[3];
1782                   *pmsg++ = convert.wrd;
1783                   *pmsg++ = htons(info->DrvErrNum);
1784
1785                   card_send_command (dev, (unsigned char*)&tempbuffer[0], (u16)(0x0012 + PSEUDOSZ));
1786                   info->DrvErrNum = 0;
1787               }
1788               info->DrvMsgPend = 0;
1789
1790           break;
1791       }
1792
1793       default:
1794           break;
1795         }
1796
1797
1798     status = STATUS_SUCCESS;
1799 out:
1800     kfree(cmdbuffer);
1801     DEBUG("return from ft1000_proc_drvmsg\n");
1802     return status;
1803 }
1804
1805
1806
1807 int ft1000_poll(void* dev_id) {
1808
1809     struct ft1000_device *dev = (struct ft1000_device *)dev_id;
1810         struct ft1000_info *info = netdev_priv(dev->net);
1811
1812     u16 tempword;
1813     u16 status;
1814     u16 size;
1815     int i;
1816     u16 data;
1817     u16 modulo;
1818     u16 portid;
1819     u16 nxtph;
1820         struct dpram_blk *pdpram_blk;
1821         struct pseudo_hdr *ppseudo_hdr;
1822     unsigned long flags;
1823
1824     //DEBUG("Enter ft1000_poll...\n");
1825     if (ft1000_chkcard(dev) == FALSE) {
1826         DEBUG("ft1000_poll::ft1000_chkcard: failed\n");
1827         return STATUS_FAILURE;
1828     }
1829
1830     status = ft1000_read_register (dev, &tempword, FT1000_REG_DOORBELL);
1831    // DEBUG("ft1000_poll: read FT1000_REG_DOORBELL message 0x%x\n", tempword);
1832
1833     if ( !status )
1834     {
1835
1836         if (tempword & FT1000_DB_DPRAM_RX) {
1837             //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_DB_DPRAM_RX\n");
1838
1839             status = ft1000_read_dpram16(dev, 0x200, (u8 *)&data, 0);
1840             //DEBUG("ft1000_poll:FT1000_DB_DPRAM_RX:ft1000_read_dpram16:size = 0x%x\n", data);
1841             size = ntohs(data) + 16 + 2; //wai
1842             if (size % 4) {
1843                 modulo = 4 - (size % 4);
1844                 size = size + modulo;
1845             }
1846             status = ft1000_read_dpram16(dev, 0x201, (u8 *)&portid, 1);
1847             portid &= 0xff;
1848             //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid 0x%x\n", portid);
1849
1850             if (size < MAX_CMD_SQSIZE) {
1851                 switch (portid)
1852                 {
1853                     case DRIVERID:
1854                         DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid DRIVERID\n");
1855
1856                         status = ft1000_proc_drvmsg (dev, size);
1857                         if (status != STATUS_SUCCESS )
1858                             return status;
1859                         break;
1860                     case DSPBCMSGID:
1861                         // This is a dsp broadcast message
1862                         // Check which application has registered for dsp broadcast messages
1863                         //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid DSPBCMSGID\n");
1864
1865                         for (i=0; i<MAX_NUM_APP; i++) {
1866                            if ( (info->app_info[i].DspBCMsgFlag) && (info->app_info[i].fileobject) &&
1867                                          (info->app_info[i].NumOfMsg < MAX_MSG_LIMIT)  )
1868                            {
1869                                //DEBUG("Dsp broadcast message detected for app id %d\n", i);
1870                                nxtph = FT1000_DPRAM_RX_BASE + 2;
1871                                pdpram_blk = ft1000_get_buffer (&freercvpool);
1872                                if (pdpram_blk != NULL) {
1873                                    if ( ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE, &nxtph) ) {
1874                                         ppseudo_hdr = (struct pseudo_hdr *)pdpram_blk->pbuffer;
1875                                        // Put message into the appropriate application block
1876                                        info->app_info[i].nRxMsg++;
1877                                        spin_lock_irqsave(&free_buff_lock, flags);
1878                                        list_add_tail(&pdpram_blk->list, &info->app_info[i].app_sqlist);
1879                                        info->app_info[i].NumOfMsg++;
1880                                        spin_unlock_irqrestore(&free_buff_lock, flags);
1881                                        wake_up_interruptible(&info->app_info[i].wait_dpram_msg);
1882                                    }
1883                                    else {
1884                                        info->app_info[i].nRxMsgMiss++;
1885                                        // Put memory back to free pool
1886                                        ft1000_free_buffer(pdpram_blk, &freercvpool);
1887                                        DEBUG("pdpram_blk::ft1000_get_buffer NULL\n");
1888                                    }
1889                                }
1890                                else {
1891                                    DEBUG("Out of memory in free receive command pool\n");
1892                                    info->app_info[i].nRxMsgMiss++;
1893                                }//endof if (pdpram_blk != NULL)
1894                            }//endof if
1895                            //else
1896                            //    DEBUG("app_info mismatch\n");
1897                         }// endof for
1898                         break;
1899                     default:
1900                         pdpram_blk = ft1000_get_buffer (&freercvpool);
1901                         //DEBUG("Memory allocated = 0x%8x\n", (u32)pdpram_blk);
1902                         if (pdpram_blk != NULL) {
1903                            if ( ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE, &nxtph) ) {
1904                                 ppseudo_hdr = (struct pseudo_hdr *)pdpram_blk->pbuffer;
1905                                // Search for correct application block
1906                                for (i=0; i<MAX_NUM_APP; i++) {
1907                                    if (info->app_info[i].app_id == ppseudo_hdr->portdest) {
1908                                        break;
1909                                    }
1910                                }
1911
1912                                if (i == MAX_NUM_APP) {
1913                                    DEBUG("FT1000:ft1000_parse_dpram_msg: No application matching id = %d\n", ppseudo_hdr->portdest);
1914                                    // Put memory back to free pool
1915                                    ft1000_free_buffer(pdpram_blk, &freercvpool);
1916                                }
1917                                else {
1918                                    if (info->app_info[i].NumOfMsg > MAX_MSG_LIMIT) {
1919                                        // Put memory back to free pool
1920                                        ft1000_free_buffer(pdpram_blk, &freercvpool);
1921                                    }
1922                                    else {
1923                                        info->app_info[i].nRxMsg++;
1924                                        // Put message into the appropriate application block
1925                                        //pxu spin_lock_irqsave(&free_buff_lock, flags);
1926                                        list_add_tail(&pdpram_blk->list, &info->app_info[i].app_sqlist);
1927                                        info->app_info[i].NumOfMsg++;
1928                                        //pxu spin_unlock_irqrestore(&free_buff_lock, flags);
1929                                        //pxu wake_up_interruptible(&info->app_info[i].wait_dpram_msg);
1930                                    }
1931                                }
1932                            }
1933                            else {
1934                                // Put memory back to free pool
1935                                ft1000_free_buffer(pdpram_blk, &freercvpool);
1936                            }
1937                         }
1938                         else {
1939                             DEBUG("Out of memory in free receive command pool\n");
1940                         }
1941                         break;
1942                 } //end of switch
1943             } //endof if (size < MAX_CMD_SQSIZE)
1944             else {
1945                 DEBUG("FT1000:dpc:Invalid total length for SlowQ = %d\n", size);
1946             }
1947             status = ft1000_write_register (dev, FT1000_DB_DPRAM_RX, FT1000_REG_DOORBELL);
1948         }
1949         else if (tempword & FT1000_DSP_ASIC_RESET) {
1950             //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_DSP_ASIC_RESET\n");
1951
1952             // Let's reset the ASIC from the Host side as well
1953             status = ft1000_write_register (dev, ASIC_RESET_BIT, FT1000_REG_RESET);
1954             status = ft1000_read_register (dev, &tempword, FT1000_REG_RESET);
1955             i = 0;
1956             while (tempword & ASIC_RESET_BIT) {
1957                 status = ft1000_read_register (dev, &tempword, FT1000_REG_RESET);
1958                 msleep(10);
1959                 i++;
1960                 if (i==100)
1961                     break;
1962             }
1963             if (i==100) {
1964                 DEBUG("Unable to reset ASIC\n");
1965                 return STATUS_SUCCESS;
1966             }
1967             msleep(10);
1968             // Program WMARK register
1969             status = ft1000_write_register (dev, 0x600, FT1000_REG_MAG_WATERMARK);
1970             // clear ASIC reset doorbell
1971             status = ft1000_write_register (dev, FT1000_DSP_ASIC_RESET, FT1000_REG_DOORBELL);
1972             msleep(10);
1973         }
1974         else if (tempword & FT1000_ASIC_RESET_REQ) {
1975             DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_ASIC_RESET_REQ\n");
1976
1977             // clear ASIC reset request from DSP
1978             status = ft1000_write_register (dev, FT1000_ASIC_RESET_REQ, FT1000_REG_DOORBELL);
1979             status = ft1000_write_register (dev, HOST_INTF_BE, FT1000_REG_SUP_CTRL);
1980             // copy dsp session record from Adapter block
1981             status = ft1000_write_dpram32 (dev, 0, (u8 *)&info->DSPSess.Rec[0], 1024);
1982             // Program WMARK register
1983             status = ft1000_write_register (dev, 0x600, FT1000_REG_MAG_WATERMARK);
1984             // ring doorbell to tell DSP that ASIC is out of reset
1985             status = ft1000_write_register (dev, FT1000_ASIC_RESET_DSP, FT1000_REG_DOORBELL);
1986         }
1987         else if (tempword & FT1000_DB_COND_RESET) {
1988             DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_DB_COND_RESET\n");
1989 //By Jim
1990 // Reset ASIC and DSP
1991 //MAG
1992             if (info->fAppMsgPend == 0) {
1993                // Reset ASIC and DSP
1994
1995                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER0, (u8 *)&(info->DSP_TIME[0]), FT1000_MAG_DSP_TIMER0_INDX);
1996                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER1, (u8 *)&(info->DSP_TIME[1]), FT1000_MAG_DSP_TIMER1_INDX);
1997                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER2, (u8 *)&(info->DSP_TIME[2]), FT1000_MAG_DSP_TIMER2_INDX);
1998                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER3, (u8 *)&(info->DSP_TIME[3]), FT1000_MAG_DSP_TIMER3_INDX);
1999                 info->CardReady = 0;
2000                 info->DrvErrNum = DSP_CONDRESET_INFO;
2001                 DEBUG("ft1000_hw:DSP conditional reset requested\n");
2002                 info->ft1000_reset(dev->net);
2003             }
2004             else {
2005                 info->fProvComplete = 0;
2006                 info->fCondResetPend = 1;
2007             }
2008
2009             ft1000_write_register(dev, FT1000_DB_COND_RESET, FT1000_REG_DOORBELL);
2010         }
2011
2012     }//endof if ( !status )
2013
2014     //DEBUG("return from ft1000_poll.\n");
2015     return STATUS_SUCCESS;
2016
2017 }
2018
2019 /*end of Jim*/