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         printk("%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
 938         int count, ret;
 939     u8 *t;
 940         struct pseudo_hdr hdr;
 941
 942     if (!pInfo->CardReady)
 943     {
 944
 945         DEBUG("ft1000_copy_down_pkt::Card Not Ready\n");
 946         return -ENODEV;
 947
 948     }
 949
 950
 951     //DEBUG("ft1000_copy_down_pkt() entered, len = %d\n", len);
 952
 953         count = sizeof(struct pseudo_hdr) + len;
 954     if(count > MAX_BUF_SIZE)
 955     {
 956         DEBUG("Error:ft1000_copy_down_pkt:Message Size Overflow!\n");
 957         DEBUG("size = %d\n", count);
 958         return -EINVAL;
 959     }
 960
 961     if ( count % 4)
 962         count = count + (4- (count %4) );
 963
 964         memset(&hdr, 0, sizeof(struct pseudo_hdr));
 965
 966         hdr.length = ntohs(count);
 967         hdr.source = 0x10;
 968         hdr.destination = 0x20;
 969         hdr.portdest = 0x20;
 970         hdr.portsrc = 0x10;
 971         hdr.sh_str_id = 0x91;
 972         hdr.control = 0x00;
 973
 974         hdr.checksum = hdr.length ^ hdr.source ^ hdr.destination ^
 975                         hdr.portdest ^ hdr.portsrc ^ hdr.sh_str_id ^
 976                         hdr.control;
 977
 978         memcpy(&pFt1000Dev->tx_buf[0], &hdr, sizeof(hdr));
 979         memcpy(&(pFt1000Dev->tx_buf[sizeof(struct pseudo_hdr)]), packet, len);
 980
 981     netif_stop_queue(netdev);
 982
 983     //DEBUG ("ft1000_copy_down_pkt: count = %d\n", count);
 984
 985     usb_fill_bulk_urb(pFt1000Dev->tx_urb,
 986                       pFt1000Dev->dev,
 987                       usb_sndbulkpipe(pFt1000Dev->dev, pFt1000Dev->bulk_out_endpointAddr),
 988                       pFt1000Dev->tx_buf,
 989                       count,
 990                       ft1000_usb_transmit_complete,
 991                       (void*)pFt1000Dev);
 992
 993     t = (u8 *)pFt1000Dev->tx_urb->transfer_buffer;
 994     //DEBUG("transfer_length=%d\n", pFt1000Dev->tx_urb->transfer_buffer_length);
 995     /*for (i=0; i<count; i++ )
 996     {
 997        DEBUG("%x    ", *t++ );
 998     }*/
 999
1000
1001         ret = usb_submit_urb(pFt1000Dev->tx_urb, GFP_ATOMIC);
1002         if (ret) {
1003                 DEBUG("ft1000 failed tx_urb %d\n", ret);
1004                 return ret;
1005         } else {
1006                 pInfo->stats.tx_packets++;
1007                 pInfo->stats.tx_bytes += (len+14);
1008         }
1009
1010     //DEBUG("ft1000_copy_down_pkt() exit\n");
1011
1012         return 0;
1013 }
1014
1015 //---------------------------------------------------------------------------
1016 // Function:    ft1000_start_xmit
1017 //
1018 // Parameters:  skb - socket buffer to be sent
1019 //              dev - network device
1020 //
1021 //
1022 // Returns:     none
1023 //
1024 // Description: transmit a ethernet packet
1025 //
1026 // Notes:
1027 //
1028 //---------------------------------------------------------------------------
1029 static int ft1000_start_xmit(struct sk_buff *skb, struct net_device *dev)
1030 {
1031         struct ft1000_info *pInfo = netdev_priv(dev);
1032     struct ft1000_device *pFt1000Dev= pInfo->pFt1000Dev;
1033     u8 *pdata;
1034     int maxlen, pipe;
1035
1036
1037     //DEBUG(" ft1000_start_xmit() entered\n");
1038
1039     if ( skb == NULL )
1040     {
1041         DEBUG ("ft1000_hw: ft1000_start_xmit:skb == NULL!!!\n" );
1042         return NETDEV_TX_OK;
1043     }
1044
1045     if ( pFt1000Dev->status & FT1000_STATUS_CLOSING)
1046     {
1047         DEBUG("network driver is closed, return\n");
1048         goto err;
1049     }
1050
1051     //DEBUG("ft1000_start_xmit 1:length of packet = %d\n", skb->len);
1052     pipe = usb_sndbulkpipe(pFt1000Dev->dev, pFt1000Dev->bulk_out_endpointAddr);
1053     maxlen = usb_maxpacket(pFt1000Dev->dev, pipe, usb_pipeout(pipe));
1054     //DEBUG("ft1000_start_xmit 2: pipe=%d dev->maxpacket  = %d\n", pipe, maxlen);
1055
1056     pdata = (u8 *)skb->data;
1057     /*for (i=0; i<skb->len; i++)
1058         DEBUG("skb->data[%d]=%x    ", i, *(skb->data+i));
1059
1060     DEBUG("\n");*/
1061
1062
1063     if (pInfo->mediastate == 0)
1064     {
1065         /* Drop packet is mediastate is down */
1066         DEBUG("ft1000_hw:ft1000_start_xmit:mediastate is down\n");
1067         goto err;
1068     }
1069
1070     if ( (skb->len < ENET_HEADER_SIZE) || (skb->len > ENET_MAX_SIZE) )
1071     {
1072         /* Drop packet which has invalid size */
1073         DEBUG("ft1000_hw:ft1000_start_xmit:invalid ethernet length\n");
1074         goto err;
1075     }
1076 //mbelian
1077         ft1000_copy_down_pkt(dev, (pdata+ENET_HEADER_SIZE-2),
1078                                 skb->len - ENET_HEADER_SIZE + 2);
1079
1080 err:
1081         dev_kfree_skb(skb);
1082     //DEBUG(" ft1000_start_xmit() exit\n");
1083
1084         return NETDEV_TX_OK;
1085 }
1086
1087 //---------------------------------------------------------------------------
1088 //
1089 // Function:   ft1000_copy_up_pkt
1090 // Descripton: This function will take a packet from the FIFO up link and
1091 //             convert it into an ethernet packet and deliver it to the IP stack
1092 // Input:
1093 //     urb - the receving usb urb
1094 //
1095 // Output:
1096 //     status - FAILURE
1097 //              SUCCESS
1098 //
1099 //---------------------------------------------------------------------------
1100 static int ft1000_copy_up_pkt (struct urb *urb)
1101 {
1102         struct ft1000_info *info = urb->context;
1103     struct ft1000_device *ft1000dev = info->pFt1000Dev;
1104     struct net_device *net = ft1000dev->net;
1105
1106     u16 tempword;
1107     u16 len;
1108     u16 lena; //mbelian
1109     struct sk_buff *skb;
1110     u16 i;
1111     u8 *pbuffer=NULL;
1112     u8 *ptemp=NULL;
1113     u16 *chksum;
1114
1115
1116     //DEBUG("ft1000_copy_up_pkt entered\n");
1117
1118     if ( ft1000dev->status & FT1000_STATUS_CLOSING)
1119     {
1120         DEBUG("network driver is closed, return\n");
1121         return STATUS_SUCCESS;
1122     }
1123
1124     // Read length
1125     len = urb->transfer_buffer_length;
1126     lena = urb->actual_length; //mbelian
1127     //DEBUG("ft1000_copy_up_pkt: transfer_buffer_length=%d, actual_buffer_len=%d\n",
1128       //       urb->transfer_buffer_length, urb->actual_length);
1129
1130     chksum = (u16 *)ft1000dev->rx_buf;
1131
1132     tempword = *chksum++;
1133     for (i=1; i<7; i++)
1134     {
1135         tempword ^= *chksum++;
1136     }
1137
1138     if  (tempword != *chksum)
1139     {
1140         info->stats.rx_errors ++;
1141         ft1000_submit_rx_urb(info);
1142         return STATUS_FAILURE;
1143     }
1144
1145
1146     //DEBUG("ft1000_copy_up_pkt: checksum is correct %x\n", *chksum);
1147
1148     skb = dev_alloc_skb(len+12+2);
1149
1150     if (skb == NULL)
1151     {
1152         DEBUG("ft1000_copy_up_pkt: No Network buffers available\n");
1153         info->stats.rx_errors++;
1154         ft1000_submit_rx_urb(info);
1155         return STATUS_FAILURE;
1156     }
1157
1158     pbuffer = (u8 *)skb_put(skb, len+12);
1159
1160     //subtract the number of bytes read already
1161     ptemp = pbuffer;
1162
1163     // fake MAC address
1164     *pbuffer++ = net->dev_addr[0];
1165     *pbuffer++ = net->dev_addr[1];
1166     *pbuffer++ = net->dev_addr[2];
1167     *pbuffer++ = net->dev_addr[3];
1168     *pbuffer++ = net->dev_addr[4];
1169     *pbuffer++ = net->dev_addr[5];
1170     *pbuffer++ = 0x00;
1171     *pbuffer++ = 0x07;
1172     *pbuffer++ = 0x35;
1173     *pbuffer++ = 0xff;
1174     *pbuffer++ = 0xff;
1175     *pbuffer++ = 0xfe;
1176
1177
1178
1179
1180         memcpy(pbuffer, ft1000dev->rx_buf+sizeof(struct pseudo_hdr), len-sizeof(struct pseudo_hdr));
1181
1182     //DEBUG("ft1000_copy_up_pkt: Data passed to Protocol layer\n");
1183     /*for (i=0; i<len+12; i++)
1184     {
1185         DEBUG("ft1000_copy_up_pkt: Protocol Data: 0x%x\n ", *ptemp++);
1186     }*/
1187
1188     skb->dev = net;
1189
1190     skb->protocol = eth_type_trans(skb, net);
1191     skb->ip_summed = CHECKSUM_UNNECESSARY;
1192     netif_rx(skb);
1193
1194     info->stats.rx_packets++;
1195     // Add on 12 bytes for MAC address which was removed
1196     info->stats.rx_bytes += (lena+12); //mbelian
1197
1198     ft1000_submit_rx_urb(info);
1199     //DEBUG("ft1000_copy_up_pkt exited\n");
1200     return SUCCESS;
1201 }
1202
1203 //---------------------------------------------------------------------------
1204 //
1205 // Function:   ft1000_submit_rx_urb
1206 // Descripton: the receiving function of the network driver
1207 //
1208 // Input:
1209 //     info - a private structure contains the device information
1210 //
1211 // Output:
1212 //     status - FAILURE
1213 //              SUCCESS
1214 //
1215 //---------------------------------------------------------------------------
1216 static int ft1000_submit_rx_urb(struct ft1000_info *info)
1217 {
1218     int result;
1219     struct ft1000_device *pFt1000Dev = info->pFt1000Dev;
1220
1221
1222     //DEBUG ("ft1000_submit_rx_urb entered: sizeof rx_urb is %d\n", sizeof(*pFt1000Dev->rx_urb));
1223     if ( pFt1000Dev->status & FT1000_STATUS_CLOSING)
1224     {
1225         DEBUG("network driver is closed, return\n");
1226         //usb_kill_urb(pFt1000Dev->rx_urb); //mbelian
1227         return -ENODEV;
1228     }
1229
1230     usb_fill_bulk_urb(pFt1000Dev->rx_urb,
1231             pFt1000Dev->dev,
1232             usb_rcvbulkpipe(pFt1000Dev->dev, pFt1000Dev->bulk_in_endpointAddr),
1233             pFt1000Dev->rx_buf,
1234             MAX_BUF_SIZE,
1235             (usb_complete_t)ft1000_copy_up_pkt,
1236             info);
1237
1238
1239     if((result = usb_submit_urb(pFt1000Dev->rx_urb, GFP_ATOMIC)))
1240     {
1241         printk("ft1000_submit_rx_urb: submitting rx_urb %d failed\n", result);
1242         return result;
1243     }
1244
1245     //DEBUG("ft1000_submit_rx_urb exit: result=%d\n", result);
1246
1247         return 0;
1248 }
1249
1250 //---------------------------------------------------------------------------
1251 // Function:    ft1000_open
1252 //
1253 // Parameters:
1254 //              dev - network device
1255 //
1256 //
1257 // Returns:     none
1258 //
1259 // Description: open the network driver
1260 //
1261 // Notes:
1262 //
1263 //---------------------------------------------------------------------------
1264 static int ft1000_open (struct net_device *dev)
1265 {
1266         struct ft1000_info *pInfo = netdev_priv(dev);
1267     struct timeval tv; //mbelian
1268         int ret;
1269
1270     DEBUG("ft1000_open is called for card %d\n", pInfo->CardNumber);
1271     //DEBUG("ft1000_open: dev->addr=%x, dev->addr_len=%d\n", dev->addr, dev->addr_len);
1272
1273         pInfo->stats.rx_bytes = 0; //mbelian
1274         pInfo->stats.tx_bytes = 0; //mbelian
1275         pInfo->stats.rx_packets = 0; //mbelian
1276         pInfo->stats.tx_packets = 0; //mbelian
1277         do_gettimeofday(&tv);
1278     pInfo->ConTm = tv.tv_sec;
1279         pInfo->ProgConStat = 0; //mbelian
1280
1281
1282     netif_start_queue(dev);
1283
1284     netif_carrier_on(dev); //mbelian
1285
1286         ret = ft1000_submit_rx_urb(pInfo);
1287
1288         return ret;
1289 }
1290
1291 //---------------------------------------------------------------------------
1292 // Function:    ft1000_close
1293 //
1294 // Parameters:
1295 //              net - network device
1296 //
1297 //
1298 // Returns:     none
1299 //
1300 // Description: close the network driver
1301 //
1302 // Notes:
1303 //
1304 //---------------------------------------------------------------------------
1305 int ft1000_close(struct net_device *net)
1306 {
1307         struct ft1000_info *pInfo = netdev_priv(net);
1308     struct ft1000_device *ft1000dev = pInfo->pFt1000Dev;
1309
1310     //DEBUG ("ft1000_close: netdev->refcnt=%d\n", net->refcnt);
1311
1312     ft1000dev->status |= FT1000_STATUS_CLOSING;
1313
1314     //DEBUG("ft1000_close: calling usb_kill_urb \n");
1315
1316     DEBUG("ft1000_close: pInfo=%p, ft1000dev=%p\n", pInfo, ft1000dev);
1317     netif_carrier_off(net);//mbelian
1318     netif_stop_queue(net);
1319     //DEBUG("ft1000_close: netif_stop_queue called\n");
1320     ft1000dev->status &= ~FT1000_STATUS_CLOSING;
1321
1322    pInfo->ProgConStat = 0xff; //mbelian
1323
1324
1325     return 0;
1326 }
1327
1328 static struct net_device_stats *ft1000_netdev_stats(struct net_device *dev)
1329 {
1330         struct ft1000_info *info = netdev_priv(dev);
1331
1332         return &(info->stats); //mbelian
1333 }
1334
1335
1336 /*********************************************************************************
1337 Jim
1338 */
1339
1340
1341 //---------------------------------------------------------------------------
1342 //
1343 // Function:   ft1000_chkcard
1344 // Descripton: This function will check if the device is presently available on
1345 //             the system.
1346 // Input:
1347 //     dev    - device structure
1348 // Output:
1349 //     status - FALSE (device is not present)
1350 //              TRUE  (device is present)
1351 //
1352 //---------------------------------------------------------------------------
1353 static int ft1000_chkcard (struct ft1000_device *dev) {
1354     u16 tempword;
1355     u16 status;
1356         struct ft1000_info *info = netdev_priv(dev->net);
1357
1358     if (info->fCondResetPend)
1359     {
1360         DEBUG("ft1000_hw:ft1000_chkcard:Card is being reset, return FALSE\n");
1361         return TRUE;
1362     }
1363
1364     // Mask register is used to check for device presence since it is never
1365     // set to zero.
1366     status = ft1000_read_register(dev, &tempword, FT1000_REG_SUP_IMASK);
1367     //DEBUG("ft1000_hw:ft1000_chkcard: read FT1000_REG_SUP_IMASK = %x\n", tempword);
1368     if (tempword == 0) {
1369         DEBUG("ft1000_hw:ft1000_chkcard: IMASK = 0 Card not detected\n");
1370         return FALSE;
1371     }
1372
1373     // The system will return the value of 0xffff for the version register
1374     // if the device is not present.
1375     status = ft1000_read_register(dev, &tempword, FT1000_REG_ASIC_ID);
1376     //DEBUG("ft1000_hw:ft1000_chkcard: read FT1000_REG_ASIC_ID = %x\n", tempword);
1377     if (tempword != 0x1b01 ){
1378         dev->status |= FT1000_STATUS_CLOSING; //mbelian
1379         DEBUG("ft1000_hw:ft1000_chkcard: Version = 0xffff Card not detected\n");
1380         return FALSE;
1381     }
1382     return TRUE;
1383 }
1384
1385
1386
1387 //---------------------------------------------------------------------------
1388 //
1389 // Function:   ft1000_receive_cmd
1390 // Descripton: This function will read a message from the dpram area.
1391 // Input:
1392 //    dev - network device structure
1393 //    pbuffer - caller supply address to buffer
1394 //    pnxtph - pointer to next pseudo header
1395 // Output:
1396 //   Status = 0 (unsuccessful)
1397 //          = 1 (successful)
1398 //
1399 //---------------------------------------------------------------------------
1400 static bool ft1000_receive_cmd (struct ft1000_device *dev, u16 *pbuffer, int maxsz, u16 *pnxtph) {
1401     u16 size, ret;
1402     u16 *ppseudohdr;
1403     int i;
1404     u16 tempword;
1405
1406     ret = ft1000_read_dpram16(dev, FT1000_MAG_PH_LEN, (u8 *)&size, FT1000_MAG_PH_LEN_INDX);
1407     size = ntohs(size) + PSEUDOSZ;
1408     if (size > maxsz) {
1409         DEBUG("FT1000:ft1000_receive_cmd:Invalid command length = %d\n", size);
1410         return FALSE;
1411     }
1412     else {
1413         ppseudohdr = (u16 *)pbuffer;
1414         ft1000_write_register(dev, FT1000_DPRAM_MAG_RX_BASE, FT1000_REG_DPRAM_ADDR);
1415         ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
1416         //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
1417         pbuffer++;
1418         ft1000_write_register(dev,  FT1000_DPRAM_MAG_RX_BASE+1, FT1000_REG_DPRAM_ADDR);
1419         for (i=0; i<=(size>>2); i++) {
1420             ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
1421             pbuffer++;
1422             ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
1423             pbuffer++;
1424         }
1425         //copy odd aligned word
1426         ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAL);
1427         //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
1428         pbuffer++;
1429         ret = ft1000_read_register(dev, pbuffer, FT1000_REG_MAG_DPDATAH);
1430         //DEBUG("ft1000_hw:received data = 0x%x\n", *pbuffer);
1431         pbuffer++;
1432         if (size & 0x0001) {
1433             //copy odd byte from fifo
1434             ret = ft1000_read_register(dev, &tempword, FT1000_REG_DPRAM_DATA);
1435             *pbuffer = ntohs(tempword);
1436         }
1437
1438         // Check if pseudo header checksum is good
1439         // Calculate pseudo header checksum
1440         tempword = *ppseudohdr++;
1441         for (i=1; i<7; i++) {
1442             tempword ^= *ppseudohdr++;
1443         }
1444         if ( (tempword != *ppseudohdr) ) {
1445             return FALSE;
1446         }
1447
1448         return TRUE;
1449     }
1450 }
1451
1452
1453 static int ft1000_dsp_prov(void *arg)
1454 {
1455     struct ft1000_device *dev = (struct ft1000_device *)arg;
1456         struct ft1000_info *info = netdev_priv(dev->net);
1457     u16 tempword;
1458     u16 len;
1459     u16 i=0;
1460         struct prov_record *ptr;
1461         struct pseudo_hdr *ppseudo_hdr;
1462     u16 *pmsg;
1463     u16 status;
1464     u16 TempShortBuf [256];
1465
1466     DEBUG("*** DspProv Entered\n");
1467
1468     while (list_empty(&info->prov_list) == 0)
1469     {
1470         DEBUG("DSP Provisioning List Entry\n");
1471
1472         // Check if doorbell is available
1473         DEBUG("check if doorbell is cleared\n");
1474         status = ft1000_read_register (dev, &tempword, FT1000_REG_DOORBELL);
1475         if (status)
1476         {
1477                 DEBUG("ft1000_dsp_prov::ft1000_read_register error\n");
1478             break;
1479         }
1480
1481         while (tempword & FT1000_DB_DPRAM_TX) {
1482             mdelay(10);
1483             i++;
1484             if (i==10) {
1485                DEBUG("FT1000:ft1000_dsp_prov:message drop\n");
1486                return STATUS_FAILURE;
1487             }
1488             ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1489         }
1490
1491         if ( !(tempword & FT1000_DB_DPRAM_TX) ) {
1492             DEBUG("*** Provision Data Sent to DSP\n");
1493
1494             // Send provisioning data
1495                 ptr = list_entry(info->prov_list.next, struct prov_record, list);
1496             len = *(u16 *)ptr->pprov_data;
1497             len = htons(len);
1498             len += PSEUDOSZ;
1499
1500             pmsg = (u16 *)ptr->pprov_data;
1501                 ppseudo_hdr = (struct pseudo_hdr *)pmsg;
1502             // Insert slow queue sequence number
1503             ppseudo_hdr->seq_num = info->squeseqnum++;
1504             ppseudo_hdr->portsrc = 0;
1505             // Calculate new checksum
1506             ppseudo_hdr->checksum = *pmsg++;
1507             //DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
1508             for (i=1; i<7; i++) {
1509                 ppseudo_hdr->checksum ^= *pmsg++;
1510                 //DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
1511             }
1512
1513             TempShortBuf[0] = 0;
1514             TempShortBuf[1] = htons (len);
1515             memcpy(&TempShortBuf[2], ppseudo_hdr, len);
1516
1517             status = ft1000_write_dpram32 (dev, 0, (u8 *)&TempShortBuf[0], (unsigned short)(len+2));
1518             status = ft1000_write_register (dev, FT1000_DB_DPRAM_TX, FT1000_REG_DOORBELL);
1519
1520             list_del(&ptr->list);
1521             kfree(ptr->pprov_data);
1522             kfree(ptr);
1523         }
1524         msleep(10);
1525     }
1526
1527     DEBUG("DSP Provisioning List Entry finished\n");
1528
1529     msleep(100);
1530
1531     info->fProvComplete = 1;
1532     info->CardReady = 1;
1533     return STATUS_SUCCESS;
1534
1535 }
1536
1537
1538 static int ft1000_proc_drvmsg (struct ft1000_device *dev, u16 size) {
1539         struct ft1000_info *info = netdev_priv(dev->net);
1540     u16 msgtype;
1541     u16 tempword;
1542         struct media_msg *pmediamsg;
1543         struct dsp_init_msg *pdspinitmsg;
1544         struct drv_msg *pdrvmsg;
1545     u16 i;
1546         struct pseudo_hdr *ppseudo_hdr;
1547     u16 *pmsg;
1548     u16 status;
1549     union {
1550         u8  byte[2];
1551         u16 wrd;
1552     } convert;
1553
1554
1555     char *cmdbuffer = kmalloc(1600, GFP_KERNEL);
1556     if (!cmdbuffer)
1557         return STATUS_FAILURE;
1558
1559     status = ft1000_read_dpram32(dev, 0x200, cmdbuffer, size);
1560
1561
1562
1563 #ifdef JDEBUG
1564         DEBUG("ft1000_proc_drvmsg:cmdbuffer\n");
1565         for(i = 0; i < size; i+=5)
1566         {
1567             if( (i + 5) < size )
1568                 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]);
1569             else
1570             {
1571                 for (j = i; j < size; j++)
1572                 DEBUG("0x%x ", cmdbuffer[j]);
1573                 DEBUG("\n");
1574                 break;
1575             }
1576         }
1577 #endif
1578         pdrvmsg = (struct drv_msg *)&cmdbuffer[2];
1579         msgtype = ntohs(pdrvmsg->type);
1580         DEBUG("ft1000_proc_drvmsg:Command message type = 0x%x\n", msgtype);
1581         switch (msgtype) {
1582             case MEDIA_STATE: {
1583                 DEBUG("ft1000_proc_drvmsg:Command message type = MEDIA_STATE");
1584
1585                 pmediamsg = (struct media_msg *)&cmdbuffer[0];
1586                 if (info->ProgConStat != 0xFF) {
1587                     if (pmediamsg->state) {
1588                         DEBUG("Media is up\n");
1589                         if (info->mediastate == 0) {
1590                             if ( info->NetDevRegDone )
1591                             {
1592                                 //netif_carrier_on(dev->net);//mbelian
1593                                 netif_wake_queue(dev->net);
1594                             }
1595                             info->mediastate = 1;
1596                             /*do_gettimeofday(&tv);
1597                             info->ConTm = tv.tv_sec;*/ //mbelian
1598                         }
1599                     }
1600                     else {
1601                         DEBUG("Media is down\n");
1602                         if (info->mediastate == 1) {
1603                             info->mediastate = 0;
1604                             if ( info->NetDevRegDone )
1605                             {
1606                                 //netif_carrier_off(dev->net); mbelian
1607                                 //netif_stop_queue(dev->net);
1608                             }
1609                             info->ConTm = 0;
1610                         }
1611                     }
1612                 }
1613                 else {
1614                     DEBUG("Media is down\n");
1615                     if (info->mediastate == 1) {
1616                         info->mediastate = 0;
1617                         if ( info->NetDevRegDone)
1618                         {
1619                             //netif_carrier_off(dev->net); //mbelian
1620                             //netif_stop_queue(dev->net);
1621                         }
1622                         info->ConTm = 0;
1623                     }
1624                 }
1625                 break;
1626             }
1627             case DSP_INIT_MSG: {
1628                 DEBUG("ft1000_proc_drvmsg:Command message type = DSP_INIT_MSG");
1629
1630                 pdspinitmsg = (struct dsp_init_msg *)&cmdbuffer[2];
1631                 memcpy(info->DspVer, pdspinitmsg->DspVer, DSPVERSZ);
1632                 DEBUG("DSPVER = 0x%2x 0x%2x 0x%2x 0x%2x\n", info->DspVer[0], info->DspVer[1], info->DspVer[2], info->DspVer[3]);
1633                 memcpy(info->HwSerNum, pdspinitmsg->HwSerNum, HWSERNUMSZ);
1634                 memcpy(info->Sku, pdspinitmsg->Sku, SKUSZ);
1635                 memcpy(info->eui64, pdspinitmsg->eui64, EUISZ);
1636                 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]);
1637                 dev->net->dev_addr[0] = info->eui64[0];
1638                 dev->net->dev_addr[1] = info->eui64[1];
1639                 dev->net->dev_addr[2] = info->eui64[2];
1640                 dev->net->dev_addr[3] = info->eui64[5];
1641                 dev->net->dev_addr[4] = info->eui64[6];
1642                 dev->net->dev_addr[5] = info->eui64[7];
1643
1644                 if (ntohs(pdspinitmsg->length) == (sizeof(struct dsp_init_msg) - 20)) {
1645                     memcpy(info->ProductMode, pdspinitmsg->ProductMode, MODESZ);
1646                     memcpy(info->RfCalVer, pdspinitmsg->RfCalVer, CALVERSZ);
1647                     memcpy(info->RfCalDate, pdspinitmsg->RfCalDate, CALDATESZ);
1648                     DEBUG("RFCalVer = 0x%2x 0x%2x\n", info->RfCalVer[0], info->RfCalVer[1]);
1649                 }
1650                 break;
1651             }
1652             case DSP_PROVISION: {
1653                 DEBUG("ft1000_proc_drvmsg:Command message type = DSP_PROVISION\n");
1654
1655                 // kick off dspprov routine to start provisioning
1656                 // Send provisioning data to DSP
1657                 if (list_empty(&info->prov_list) == 0)
1658                 {
1659                     info->fProvComplete = 0;
1660                     status = ft1000_dsp_prov(dev);
1661                     if (status != STATUS_SUCCESS)
1662                         goto out;
1663                 }
1664                 else {
1665                     info->fProvComplete = 1;
1666                     status = ft1000_write_register (dev, FT1000_DB_HB, FT1000_REG_DOORBELL);
1667                     DEBUG("FT1000:drivermsg:No more DSP provisioning data in dsp image\n");
1668                 }
1669                 DEBUG("ft1000_proc_drvmsg:DSP PROVISION is done\n");
1670                 break;
1671             }
1672             case DSP_STORE_INFO: {
1673                 DEBUG("ft1000_proc_drvmsg:Command message type = DSP_STORE_INFO");
1674
1675                 DEBUG("FT1000:drivermsg:Got DSP_STORE_INFO\n");
1676                 tempword = ntohs(pdrvmsg->length);
1677                 info->DSPInfoBlklen = tempword;
1678                 if (tempword < (MAX_DSP_SESS_REC-4) ) {
1679                     pmsg = (u16 *)&pdrvmsg->data[0];
1680                     for (i=0; i<((tempword+1)/2); i++) {
1681                         DEBUG("FT1000:drivermsg:dsp info data = 0x%x\n", *pmsg);
1682                         info->DSPInfoBlk[i+10] = *pmsg++;
1683                     }
1684                 }
1685                 else {
1686                     info->DSPInfoBlklen = 0;
1687                 }
1688                 break;
1689             }
1690             case DSP_GET_INFO: {
1691                 DEBUG("FT1000:drivermsg:Got DSP_GET_INFO\n");
1692                 // copy dsp info block to dsp
1693                 info->DrvMsgPend = 1;
1694                 // allow any outstanding ioctl to finish
1695                 mdelay(10);
1696                 status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1697                 if (tempword & FT1000_DB_DPRAM_TX) {
1698                     mdelay(10);
1699                     status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1700                     if (tempword & FT1000_DB_DPRAM_TX) {
1701                         mdelay(10);
1702                             status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1703                             if (tempword & FT1000_DB_DPRAM_TX) {
1704                                 break;
1705                             }
1706                     }
1707                 }
1708
1709                 // Put message into Slow Queue
1710                 // Form Pseudo header
1711                 pmsg = (u16 *)info->DSPInfoBlk;
1712                 *pmsg++ = 0;
1713                 *pmsg++ = htons(info->DSPInfoBlklen+20+info->DSPInfoBlklen);
1714                 ppseudo_hdr = (struct pseudo_hdr *)(u16 *)&info->DSPInfoBlk[2];
1715                 ppseudo_hdr->length = htons(info->DSPInfoBlklen+4+info->DSPInfoBlklen);
1716                 ppseudo_hdr->source = 0x10;
1717                 ppseudo_hdr->destination = 0x20;
1718                 ppseudo_hdr->portdest = 0;
1719                 ppseudo_hdr->portsrc = 0;
1720                 ppseudo_hdr->sh_str_id = 0;
1721                 ppseudo_hdr->control = 0;
1722                 ppseudo_hdr->rsvd1 = 0;
1723                 ppseudo_hdr->rsvd2 = 0;
1724                 ppseudo_hdr->qos_class = 0;
1725                 // Insert slow queue sequence number
1726                 ppseudo_hdr->seq_num = info->squeseqnum++;
1727                 // Insert application id
1728                 ppseudo_hdr->portsrc = 0;
1729                 // Calculate new checksum
1730                 ppseudo_hdr->checksum = *pmsg++;
1731                 for (i=1; i<7; i++) {
1732                     ppseudo_hdr->checksum ^= *pmsg++;
1733                 }
1734                 info->DSPInfoBlk[10] = 0x7200;
1735                 info->DSPInfoBlk[11] = htons(info->DSPInfoBlklen);
1736                 status = ft1000_write_dpram32 (dev, 0, (u8 *)&info->DSPInfoBlk[0], (unsigned short)(info->DSPInfoBlklen+22));
1737                 status = ft1000_write_register (dev, FT1000_DB_DPRAM_TX, FT1000_REG_DOORBELL);
1738                 info->DrvMsgPend = 0;
1739
1740                 break;
1741             }
1742
1743           case GET_DRV_ERR_RPT_MSG: {
1744               DEBUG("FT1000:drivermsg:Got GET_DRV_ERR_RPT_MSG\n");
1745               // copy driver error message to dsp
1746               info->DrvMsgPend = 1;
1747               // allow any outstanding ioctl to finish
1748               mdelay(10);
1749               status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1750               if (tempword & FT1000_DB_DPRAM_TX) {
1751                   mdelay(10);
1752                   status = ft1000_read_register(dev, &tempword, FT1000_REG_DOORBELL);
1753                   if (tempword & FT1000_DB_DPRAM_TX) {
1754                       mdelay(10);
1755                   }
1756               }
1757
1758               if ( (tempword & FT1000_DB_DPRAM_TX) == 0) {
1759                   // Put message into Slow Queue
1760                   // Form Pseudo header
1761                   pmsg = (u16 *)&tempbuffer[0];
1762                         ppseudo_hdr = (struct pseudo_hdr *)pmsg;
1763                   ppseudo_hdr->length = htons(0x0012);
1764                   ppseudo_hdr->source = 0x10;
1765                   ppseudo_hdr->destination = 0x20;
1766                   ppseudo_hdr->portdest = 0;
1767                   ppseudo_hdr->portsrc = 0;
1768                   ppseudo_hdr->sh_str_id = 0;
1769                   ppseudo_hdr->control = 0;
1770                   ppseudo_hdr->rsvd1 = 0;
1771                   ppseudo_hdr->rsvd2 = 0;
1772                   ppseudo_hdr->qos_class = 0;
1773                   // Insert slow queue sequence number
1774                   ppseudo_hdr->seq_num = info->squeseqnum++;
1775                   // Insert application id
1776                   ppseudo_hdr->portsrc = 0;
1777                   // Calculate new checksum
1778                   ppseudo_hdr->checksum = *pmsg++;
1779                   for (i=1; i<7; i++) {
1780                       ppseudo_hdr->checksum ^= *pmsg++;
1781                   }
1782                   pmsg = (u16 *)&tempbuffer[16];
1783                   *pmsg++ = htons(RSP_DRV_ERR_RPT_MSG);
1784                   *pmsg++ = htons(0x000e);
1785                   *pmsg++ = htons(info->DSP_TIME[0]);
1786                   *pmsg++ = htons(info->DSP_TIME[1]);
1787                   *pmsg++ = htons(info->DSP_TIME[2]);
1788                   *pmsg++ = htons(info->DSP_TIME[3]);
1789                   convert.byte[0] = info->DspVer[0];
1790                   convert.byte[1] = info->DspVer[1];
1791                   *pmsg++ = convert.wrd;
1792                   convert.byte[0] = info->DspVer[2];
1793                   convert.byte[1] = info->DspVer[3];
1794                   *pmsg++ = convert.wrd;
1795                   *pmsg++ = htons(info->DrvErrNum);
1796
1797                   card_send_command (dev, (unsigned char*)&tempbuffer[0], (u16)(0x0012 + PSEUDOSZ));
1798                   info->DrvErrNum = 0;
1799               }
1800               info->DrvMsgPend = 0;
1801
1802           break;
1803       }
1804
1805       default:
1806           break;
1807         }
1808
1809
1810     status = STATUS_SUCCESS;
1811 out:
1812     kfree(cmdbuffer);
1813     DEBUG("return from ft1000_proc_drvmsg\n");
1814     return status;
1815 }
1816
1817
1818
1819 int ft1000_poll(void* dev_id) {
1820
1821     struct ft1000_device *dev = (struct ft1000_device *)dev_id;
1822         struct ft1000_info *info = netdev_priv(dev->net);
1823
1824     u16 tempword;
1825     u16 status;
1826     u16 size;
1827     int i;
1828     u16 data;
1829     u16 modulo;
1830     u16 portid;
1831     u16 nxtph;
1832         struct dpram_blk *pdpram_blk;
1833         struct pseudo_hdr *ppseudo_hdr;
1834     unsigned long flags;
1835
1836     //DEBUG("Enter ft1000_poll...\n");
1837     if (ft1000_chkcard(dev) == FALSE) {
1838         DEBUG("ft1000_poll::ft1000_chkcard: failed\n");
1839         return STATUS_FAILURE;
1840     }
1841
1842     status = ft1000_read_register (dev, &tempword, FT1000_REG_DOORBELL);
1843    // DEBUG("ft1000_poll: read FT1000_REG_DOORBELL message 0x%x\n", tempword);
1844
1845     if ( !status )
1846     {
1847
1848         if (tempword & FT1000_DB_DPRAM_RX) {
1849             //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_DB_DPRAM_RX\n");
1850
1851             status = ft1000_read_dpram16(dev, 0x200, (u8 *)&data, 0);
1852             //DEBUG("ft1000_poll:FT1000_DB_DPRAM_RX:ft1000_read_dpram16:size = 0x%x\n", data);
1853             size = ntohs(data) + 16 + 2; //wai
1854             if (size % 4) {
1855                 modulo = 4 - (size % 4);
1856                 size = size + modulo;
1857             }
1858             status = ft1000_read_dpram16(dev, 0x201, (u8 *)&portid, 1);
1859             portid &= 0xff;
1860             //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid 0x%x\n", portid);
1861
1862             if (size < MAX_CMD_SQSIZE) {
1863                 switch (portid)
1864                 {
1865                     case DRIVERID:
1866                         DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid DRIVERID\n");
1867
1868                         status = ft1000_proc_drvmsg (dev, size);
1869                         if (status != STATUS_SUCCESS )
1870                             return status;
1871                         break;
1872                     case DSPBCMSGID:
1873                         // This is a dsp broadcast message
1874                         // Check which application has registered for dsp broadcast messages
1875                         //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type: FT1000_DB_DPRAM_RX : portid DSPBCMSGID\n");
1876
1877                         for (i=0; i<MAX_NUM_APP; i++) {
1878                            if ( (info->app_info[i].DspBCMsgFlag) && (info->app_info[i].fileobject) &&
1879                                          (info->app_info[i].NumOfMsg < MAX_MSG_LIMIT)  )
1880                            {
1881                                //DEBUG("Dsp broadcast message detected for app id %d\n", i);
1882                                nxtph = FT1000_DPRAM_RX_BASE + 2;
1883                                pdpram_blk = ft1000_get_buffer (&freercvpool);
1884                                if (pdpram_blk != NULL) {
1885                                    if ( ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE, &nxtph) ) {
1886                                         ppseudo_hdr = (struct pseudo_hdr *)pdpram_blk->pbuffer;
1887                                        // Put message into the appropriate application block
1888                                        info->app_info[i].nRxMsg++;
1889                                        spin_lock_irqsave(&free_buff_lock, flags);
1890                                        list_add_tail(&pdpram_blk->list, &info->app_info[i].app_sqlist);
1891                                        info->app_info[i].NumOfMsg++;
1892                                        spin_unlock_irqrestore(&free_buff_lock, flags);
1893                                        wake_up_interruptible(&info->app_info[i].wait_dpram_msg);
1894                                    }
1895                                    else {
1896                                        info->app_info[i].nRxMsgMiss++;
1897                                        // Put memory back to free pool
1898                                        ft1000_free_buffer(pdpram_blk, &freercvpool);
1899                                        DEBUG("pdpram_blk::ft1000_get_buffer NULL\n");
1900                                    }
1901                                }
1902                                else {
1903                                    DEBUG("Out of memory in free receive command pool\n");
1904                                    info->app_info[i].nRxMsgMiss++;
1905                                }//endof if (pdpram_blk != NULL)
1906                            }//endof if
1907                            //else
1908                            //    DEBUG("app_info mismatch\n");
1909                         }// endof for
1910                         break;
1911                     default:
1912                         pdpram_blk = ft1000_get_buffer (&freercvpool);
1913                         //DEBUG("Memory allocated = 0x%8x\n", (u32)pdpram_blk);
1914                         if (pdpram_blk != NULL) {
1915                            if ( ft1000_receive_cmd(dev, pdpram_blk->pbuffer, MAX_CMD_SQSIZE, &nxtph) ) {
1916                                 ppseudo_hdr = (struct pseudo_hdr *)pdpram_blk->pbuffer;
1917                                // Search for correct application block
1918                                for (i=0; i<MAX_NUM_APP; i++) {
1919                                    if (info->app_info[i].app_id == ppseudo_hdr->portdest) {
1920                                        break;
1921                                    }
1922                                }
1923
1924                                if (i == MAX_NUM_APP) {
1925                                    DEBUG("FT1000:ft1000_parse_dpram_msg: No application matching id = %d\n", ppseudo_hdr->portdest);
1926                                    // Put memory back to free pool
1927                                    ft1000_free_buffer(pdpram_blk, &freercvpool);
1928                                }
1929                                else {
1930                                    if (info->app_info[i].NumOfMsg > MAX_MSG_LIMIT) {
1931                                        // Put memory back to free pool
1932                                        ft1000_free_buffer(pdpram_blk, &freercvpool);
1933                                    }
1934                                    else {
1935                                        info->app_info[i].nRxMsg++;
1936                                        // Put message into the appropriate application block
1937                                        //pxu spin_lock_irqsave(&free_buff_lock, flags);
1938                                        list_add_tail(&pdpram_blk->list, &info->app_info[i].app_sqlist);
1939                                        info->app_info[i].NumOfMsg++;
1940                                        //pxu spin_unlock_irqrestore(&free_buff_lock, flags);
1941                                        //pxu wake_up_interruptible(&info->app_info[i].wait_dpram_msg);
1942                                    }
1943                                }
1944                            }
1945                            else {
1946                                // Put memory back to free pool
1947                                ft1000_free_buffer(pdpram_blk, &freercvpool);
1948                            }
1949                         }
1950                         else {
1951                             DEBUG("Out of memory in free receive command pool\n");
1952                         }
1953                         break;
1954                 } //end of switch
1955             } //endof if (size < MAX_CMD_SQSIZE)
1956             else {
1957                 DEBUG("FT1000:dpc:Invalid total length for SlowQ = %d\n", size);
1958             }
1959             status = ft1000_write_register (dev, FT1000_DB_DPRAM_RX, FT1000_REG_DOORBELL);
1960         }
1961         else if (tempword & FT1000_DSP_ASIC_RESET) {
1962             //DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_DSP_ASIC_RESET\n");
1963
1964             // Let's reset the ASIC from the Host side as well
1965             status = ft1000_write_register (dev, ASIC_RESET_BIT, FT1000_REG_RESET);
1966             status = ft1000_read_register (dev, &tempword, FT1000_REG_RESET);
1967             i = 0;
1968             while (tempword & ASIC_RESET_BIT) {
1969                 status = ft1000_read_register (dev, &tempword, FT1000_REG_RESET);
1970                 msleep(10);
1971                 i++;
1972                 if (i==100)
1973                     break;
1974             }
1975             if (i==100) {
1976                 DEBUG("Unable to reset ASIC\n");
1977                 return STATUS_SUCCESS;
1978             }
1979             msleep(10);
1980             // Program WMARK register
1981             status = ft1000_write_register (dev, 0x600, FT1000_REG_MAG_WATERMARK);
1982             // clear ASIC reset doorbell
1983             status = ft1000_write_register (dev, FT1000_DSP_ASIC_RESET, FT1000_REG_DOORBELL);
1984             msleep(10);
1985         }
1986         else if (tempword & FT1000_ASIC_RESET_REQ) {
1987             DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_ASIC_RESET_REQ\n");
1988
1989             // clear ASIC reset request from DSP
1990             status = ft1000_write_register (dev, FT1000_ASIC_RESET_REQ, FT1000_REG_DOORBELL);
1991             status = ft1000_write_register (dev, HOST_INTF_BE, FT1000_REG_SUP_CTRL);
1992             // copy dsp session record from Adapter block
1993             status = ft1000_write_dpram32 (dev, 0, (u8 *)&info->DSPSess.Rec[0], 1024);
1994             // Program WMARK register
1995             status = ft1000_write_register (dev, 0x600, FT1000_REG_MAG_WATERMARK);
1996             // ring doorbell to tell DSP that ASIC is out of reset
1997             status = ft1000_write_register (dev, FT1000_ASIC_RESET_DSP, FT1000_REG_DOORBELL);
1998         }
1999         else if (tempword & FT1000_DB_COND_RESET) {
2000             DEBUG("ft1000_poll: FT1000_REG_DOORBELL message type:  FT1000_DB_COND_RESET\n");
2001 //By Jim
2002 // Reset ASIC and DSP
2003 //MAG
2004             if (info->fAppMsgPend == 0) {
2005                // Reset ASIC and DSP
2006
2007                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER0, (u8 *)&(info->DSP_TIME[0]), FT1000_MAG_DSP_TIMER0_INDX);
2008                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER1, (u8 *)&(info->DSP_TIME[1]), FT1000_MAG_DSP_TIMER1_INDX);
2009                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER2, (u8 *)&(info->DSP_TIME[2]), FT1000_MAG_DSP_TIMER2_INDX);
2010                 status    = ft1000_read_dpram16(dev, FT1000_MAG_DSP_TIMER3, (u8 *)&(info->DSP_TIME[3]), FT1000_MAG_DSP_TIMER3_INDX);
2011                 info->CardReady = 0;
2012                 info->DrvErrNum = DSP_CONDRESET_INFO;
2013                 DEBUG("ft1000_hw:DSP conditional reset requested\n");
2014                 info->ft1000_reset(dev->net);
2015             }
2016             else {
2017                 info->fProvComplete = 0;
2018                 info->fCondResetPend = 1;
2019             }
2020
2021             ft1000_write_register(dev, FT1000_DB_COND_RESET, FT1000_REG_DOORBELL);
2022         }
2023
2024     }//endof if ( !status )
2025
2026     //DEBUG("return from ft1000_poll.\n");
2027     return STATUS_SUCCESS;
2028
2029 }
2030
2031 /*end of Jim*/