drivers/staging/bcm/InterfaceInit.c

   1 #include "headers.h"
   2
   3 static struct usb_device_id InterfaceUsbtable[] = {
   4     { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3) },
   5     { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3B) },
   6     { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3L) },
   7     { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_226) },
   8     { USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
   9
  10     { }
  11 };
  12 MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
  13
  14 VOID InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
  15 {
  16         INT i = 0;
  17         // Wake up the wait_queue...
  18         if(psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY)
  19         {
  20                 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
  21                 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
  22         }
  23         reset_card_proc(psIntfAdapter->psAdapter);
  24
  25         //worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
  26         //to accertain the device is not being accessed. After this No RDM/WRM should be made.
  27         while(psIntfAdapter->psAdapter->DeviceAccess)
  28         {
  29                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Device is being Accessed \n");
  30                 msleep(100);
  31         }
  32         /* Free interrupt URB */
  33         //psIntfAdapter->psAdapter->device_removed = TRUE;
  34         if(psIntfAdapter->psInterruptUrb)
  35         {
  36                 usb_free_urb(psIntfAdapter->psInterruptUrb);
  37         }
  38
  39         /* Free transmit URBs */
  40         for(i = 0; i < MAXIMUM_USB_TCB; i++)
  41         {
  42                 if(psIntfAdapter->asUsbTcb[i].urb  != NULL)
  43                 {
  44                         usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
  45                         psIntfAdapter->asUsbTcb[i].urb = NULL;
  46                 }
  47         }
  48         /* Free receive URB and buffers */
  49         for(i = 0; i < MAXIMUM_USB_RCB; i++)
  50         {
  51                 if (psIntfAdapter->asUsbRcb[i].urb != NULL)
  52                 {
  53                         kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
  54                         usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
  55                         psIntfAdapter->asUsbRcb[i].urb = NULL;
  56                 }
  57         }
  58         AdapterFree(psIntfAdapter->psAdapter);
  59 }
  60
  61 VOID ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
  62 {
  63         ULONG ulReg = 0;
  64
  65 // Program EP2 MAX_PKT_SIZE
  66         ulReg = ntohl(EP2_MPS_REG);
  67         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x128,4,TRUE);
  68         ulReg = ntohl(EP2_MPS);
  69         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x12C,4,TRUE);
  70
  71         ulReg = ntohl(EP2_CFG_REG);
  72         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x132,4,TRUE);
  73         if(((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE)
  74         {
  75                 ulReg = ntohl(EP2_CFG_INT);
  76                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
  77         }
  78         else
  79         {
  80 // USE BULK EP as TX in FS mode.
  81                 ulReg = ntohl(EP2_CFG_BULK);
  82                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
  83         }
  84
  85
  86 // Program EP4 MAX_PKT_SIZE.
  87         ulReg = ntohl(EP4_MPS_REG);
  88         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x13C,4,TRUE);
  89         ulReg = ntohl(EP4_MPS);
  90         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x140,4,TRUE);
  91
  92 //      Program TX EP as interrupt (Alternate Setting)
  93         if( rdmalt(Adapter,0x0F0110F8, (PUINT)&ulReg,4))
  94         {
  95                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reading of Tx EP is failing");
  96                 return ;
  97         }
  98         ulReg |= 0x6;
  99
 100         ulReg = ntohl(ulReg);
 101         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1CC,4,TRUE);
 102
 103         ulReg = ntohl(EP4_CFG_REG);
 104         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C8,4,TRUE);
 105 // Program ISOCHRONOUS EP size to zero.
 106         ulReg = ntohl(ISO_MPS_REG);
 107         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D2,4,TRUE);
 108         ulReg = ntohl(ISO_MPS);
 109         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D6,4,TRUE);
 110
 111 // Update EEPROM Version.
 112 // Read 4 bytes from 508 and modify 511 and 510.
 113 //
 114         ReadBeceemEEPROM(Adapter,0x1FC,(PUINT)&ulReg);
 115         ulReg &= 0x0101FFFF;
 116         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1FC,4,TRUE);
 117 //
 118 //Update length field if required. Also make the string NULL terminated.
 119 //
 120         ReadBeceemEEPROM(Adapter,0xA8,(PUINT)&ulReg);
 121         if((ulReg&0x00FF0000)>>16 > 0x30)
 122         {
 123                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 124                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0xA8,4,TRUE);
 125         }
 126         ReadBeceemEEPROM(Adapter,0x148,(PUINT)&ulReg);
 127         if((ulReg&0x00FF0000)>>16 > 0x30)
 128         {
 129                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 130                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x148,4,TRUE);
 131         }
 132         ulReg = 0;
 133         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x122,4,TRUE);
 134         ulReg = 0;
 135         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C2,4,TRUE);
 136
 137 }
 138
 139 static int
 140 usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
 141 {
 142         struct usb_device *udev = interface_to_usbdev (intf);
 143         int retval;
 144         PMINI_ADAPTER psAdapter;
 145         PS_INTERFACE_ADAPTER psIntfAdapter;
 146         struct net_device *ndev;
 147
 148         /* Reserve one extra queue for the bit-bucket */
 149         ndev = alloc_etherdev_mq(sizeof(MINI_ADAPTER), NO_OF_QUEUES+1);
 150         if(ndev == NULL) {
 151                 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
 152                 return -ENOMEM;
 153         }
 154
 155         SET_NETDEV_DEV(ndev, &intf->dev);
 156
 157         psAdapter = netdev_priv(ndev);
 158         psAdapter->dev = ndev;
 159
 160     /* Init default driver debug state */
 161
 162         psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
 163         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
 164
 165     /* Technically, one can start using BCM_DEBUG_PRINT after this point.
 166          * However, realize that by default the Type/Subtype bitmaps are all zero now;
 167          * so no prints will actually appear until the TestApp turns on debug paths via
 168          * the ioctl(); so practically speaking, in early init, no logging happens.
 169          *
 170          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
 171          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
 172          * during early init.
 173          * Further, we turn this OFF once init_module() completes.
 174          */
 175
 176     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
 177         BCM_SHOW_DEBUG_BITMAP(psAdapter);
 178
 179         retval = InitAdapter(psAdapter);
 180         if(retval)
 181         {
 182                 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
 183                 AdapterFree(psAdapter);
 184                 return retval;
 185         }
 186
 187         /* Allocate interface adapter structure */
 188         psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
 189         if (psIntfAdapter == NULL)
 190         {
 191                 dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
 192                 AdapterFree (psAdapter);
 193                 return -ENOMEM;
 194         }
 195
 196         psAdapter->pvInterfaceAdapter = psIntfAdapter;
 197         psIntfAdapter->psAdapter = psAdapter;
 198
 199         /* Store usb interface in Interface Adapter */
 200         psIntfAdapter->interface = intf;
 201         usb_set_intfdata(intf, psIntfAdapter);
 202
 203         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 204         retval = InterfaceAdapterInit(psIntfAdapter);
 205         if(retval)
 206         {
 207                 /* If the Firmware/Cfg File is not present
 208                  * then return success, let the application
 209                  * download the files.
 210                  */
 211                 if(-ENOENT == retval){
 212                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "File Not Found, Use App to Download\n");
 213                         return STATUS_SUCCESS;
 214                 }
 215                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapterInit Failed \n");
 216                 usb_set_intfdata(intf, NULL);
 217                 udev = interface_to_usbdev (intf);
 218                 usb_put_dev(udev);
 219                 InterfaceAdapterFree(psIntfAdapter);
 220                 return retval ;
 221         }
 222         if(psAdapter->chip_id > T3)
 223         {
 224                 uint32_t uiNackZeroLengthInt=4;
 225                 if(wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt)))
 226                 {
 227                         return -EIO;;
 228                 }
 229         }
 230
 231         /* Check whether the USB-Device Supports remote Wake-Up */
 232         if(USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes)
 233         {
 234                 /* If Suspend then only support dynamic suspend */
 235                 if(psAdapter->bDoSuspend)
 236                 {
 237 #ifdef CONFIG_PM
 238                         udev->autosuspend_delay = 0;
 239                         intf->needs_remote_wakeup = 1;
 240 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 241                         udev->autosuspend_disabled = 0;
 242 #else
 243                         usb_enable_autosuspend(udev);
 244 #endif
 245                         device_init_wakeup(&intf->dev,1);
 246 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 247                         usb_autopm_disable(intf);
 248 #endif
 249                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 250                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
 251 #endif
 252                 }
 253                 else
 254                 {
 255                         intf->needs_remote_wakeup = 0;
 256 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 257                         udev->autosuspend_disabled = 1;
 258 #else
 259                         usb_disable_autosuspend(udev);
 260 #endif
 261                 }
 262         }
 263
 264     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 265     return retval;
 266 }
 267
 268 static void usbbcm_disconnect (struct usb_interface *intf)
 269 {
 270         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 271         PMINI_ADAPTER psAdapter = NULL;
 272         struct usb_device       *udev = NULL;
 273     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 274
 275         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usb disconnected");
 276         if(intf == NULL)
 277         {
 278                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf pointer is NULL");
 279                 return;
 280         }
 281         psIntfAdapter = usb_get_intfdata(intf);
 282         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 283         if(psIntfAdapter == NULL)
 284         {
 285                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapter pointer is NULL");
 286                 return;
 287         }
 288         psAdapter = psIntfAdapter->psAdapter;
 289         if(psAdapter->bDoSuspend)
 290                 intf->needs_remote_wakeup = 0;
 291
 292         psAdapter->device_removed = TRUE ;
 293         usb_set_intfdata(intf, NULL);
 294         InterfaceAdapterFree(psIntfAdapter);
 295         udev = interface_to_usbdev (intf);
 296         usb_put_dev(udev);
 297 }
 298
 299 static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 300 {
 301         int i = 0;
 302         for(i = 0; i < MAXIMUM_USB_TCB; i++)
 303         {
 304                 if((psIntfAdapter->asUsbTcb[i].urb =
 305                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 306                 {
 307                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
 308                         return -ENOMEM;
 309                 }
 310         }
 311
 312         for(i = 0; i < MAXIMUM_USB_RCB; i++)
 313         {
 314                 if ((psIntfAdapter->asUsbRcb[i].urb =
 315                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 316                 {
 317                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
 318                         return -ENOMEM;
 319                 }
 320                 if((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 321                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL)
 322                 {
 323                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
 324                         return -ENOMEM;
 325                 }
 326                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 327         }
 328         return 0;
 329 }
 330
 331
 332
 333 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 334 {
 335         INT value = 0;
 336         UINT status = STATUS_SUCCESS;
 337
 338         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 339         if(status != STATUS_SUCCESS)
 340         {
 341                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "InitCardAndDownloadFirmware failed.\n");
 342                 return status;
 343         }
 344         if(TRUE == psIntfAdapter->psAdapter->fw_download_done)
 345         {
 346
 347                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Sending first interrupt URB down......");
 348                 if(StartInterruptUrb(psIntfAdapter))
 349                 {
 350                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
 351                 }
 352                 //now register the cntrl interface.
 353                 //after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 354
 355                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 356                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 357                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 358
 359                 if(value == 0)
 360                 {
 361                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Mailbox Interrupt has not reached to Driver..");
 362                 }
 363                 else
 364                 {
 365                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Got the mailbox interrupt ...Registering control interface...\n ");
 366                 }
 367                 if(register_control_device_interface(psIntfAdapter->psAdapter) < 0)
 368                 {
 369                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Register Control Device failed...");
 370                         return -EIO;
 371                 }
 372         }
 373         return 0;
 374 }
 375
 376
 377 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 378 {
 379         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 380 }
 381
 382 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 383 {
 384         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 385 }
 386
 387 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 388 {
 389         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 390 }
 391
 392 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 393 {
 394         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 395 }
 396
 397 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 398 {
 399         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 400                 USB_ENDPOINT_XFER_BULK);
 401 }
 402
 403 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 404 {
 405         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 406                 USB_ENDPOINT_XFER_CONTROL);
 407 }
 408
 409 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 410 {
 411         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 412                 USB_ENDPOINT_XFER_INT);
 413 }
 414
 415 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 416 {
 417         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 418                 USB_ENDPOINT_XFER_ISOC);
 419 }
 420
 421 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 422 {
 423         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 424 }
 425
 426 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 427 {
 428         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 429 }
 430
 431 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 432 {
 433         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 434 }
 435
 436 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 437 {
 438         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 439 }
 440
 441 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 442 {
 443         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 444 }
 445
 446 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 447 {
 448         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 449 }
 450
 451 INT InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 452 {
 453         struct usb_host_interface *iface_desc;
 454         struct usb_endpoint_descriptor *endpoint;
 455         size_t buffer_size;
 456         ULONG value;
 457         INT retval = 0;
 458         INT usedIntOutForBulkTransfer = 0 ;
 459         BOOLEAN bBcm16 = FALSE;
 460         UINT uiData = 0;
 461
 462         /* Store the usb dev into interface adapter */
 463         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(
 464                                                                 psIntfAdapter->interface));
 465
 466         if((psIntfAdapter->udev->speed == USB_SPEED_HIGH))
 467         {
 468                 psIntfAdapter->bHighSpeedDevice = TRUE ;
 469                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO HIGH_SPEED ");
 470         }
 471         else
 472         {
 473                 psIntfAdapter->bHighSpeedDevice = FALSE ;
 474                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO FULL_SPEED ");
 475         }
 476
 477         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 478         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 479
 480         if(rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0)
 481         {
 482                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 483                 return STATUS_FAILURE;
 484         }
 485     if(0xbece3200==(psIntfAdapter->psAdapter->chip_id&~(0xF0)))
 486         {
 487                 psIntfAdapter->psAdapter->chip_id=(psIntfAdapter->psAdapter->chip_id&~(0xF0));
 488         }
 489
 490         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "First RDM Chip ID 0x%lx\n", psIntfAdapter->psAdapter->chip_id);
 491
 492     iface_desc = psIntfAdapter->interface->cur_altsetting;
 493         //print_usb_interface_desc(&(iface_desc->desc));
 494
 495         if(psIntfAdapter->psAdapter->chip_id == T3B)
 496         {
 497
 498                 //
 499                 //T3B device will have EEPROM,check if EEPROM is proper and BCM16 can be done or not.
 500                 //
 501                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter,&uiData,0x0,4);
 502                 if(uiData == BECM)
 503                 {
 504                         bBcm16 = TRUE;
 505                 }
 506                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Number of Altsetting aviailable for This Modem 0x%x\n", psIntfAdapter->interface->num_altsetting);
 507                 if(bBcm16 == TRUE)
 508                 {
 509                         //selecting alternate setting one as a default setting for High Speed  modem.
 510                         if(psIntfAdapter->bHighSpeedDevice)
 511                                 retval= usb_set_interface(psIntfAdapter->udev,DEFAULT_SETTING_0,ALTERNATE_SETTING_1);
 512                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
 513                         if(retval || (psIntfAdapter->bHighSpeedDevice == FALSE))
 514                         {
 515                                 usedIntOutForBulkTransfer = EP2 ;
 516                                 endpoint = &iface_desc->endpoint[EP2].desc;
 517                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Interface altsetting  got failed or Moemd is configured to FS.hence will work on default setting 0 \n");
 518                                 /*
 519                                 If Modem is high speed device EP2 should be INT OUT End point
 520                                 If Mode is FS then EP2 should be bulk end point
 521                                 */
 522                                 if(((psIntfAdapter->bHighSpeedDevice ==TRUE ) && (bcm_usb_endpoint_is_int_out(endpoint)== FALSE))
 523                                         ||((psIntfAdapter->bHighSpeedDevice == FALSE)&& (bcm_usb_endpoint_is_bulk_out(endpoint)== FALSE)))
 524                                 {
 525                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Configuring the EEPROM ");
 526                                         //change the EP2, EP4 to INT OUT end point
 527                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 528
 529                                         /*
 530                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 531                                         re-enumerate the device
 532                                         */
 533                                         retval = usb_reset_device(psIntfAdapter->udev);
 534                                         if(retval)
 535                                         {
 536                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 537                                                 return retval ;
 538                                         }
 539
 540                                 }
 541                                 if((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint))
 542                                 {
 543                                         // Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail.
 544                                         UINT _uiData = ntohl(EP2_CFG_INT);
 545                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Reverting Bulk to INT as it is FS MODE");
 546                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter,(PUCHAR)&_uiData,0x136,4,TRUE);
 547                                 }
 548                         }
 549                         else
 550                         {
 551                                 usedIntOutForBulkTransfer = EP4 ;
 552                                 endpoint = &iface_desc->endpoint[EP4].desc;
 553                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
 554                                 if( bcm_usb_endpoint_is_int_out(endpoint) == FALSE)
 555                                 {
 556                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
 557                                         //change the EP2, EP4 to INT OUT end point and use EP4 in altsetting
 558                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 559
 560                                         /*
 561                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 562                                         re-enumerate the device
 563                                         */
 564                                         retval = usb_reset_device(psIntfAdapter->udev);
 565                                         if(retval)
 566                                         {
 567                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 568                                                 return retval ;
 569                                         }
 570
 571                                 }
 572                         }
 573                 }
 574         }
 575
 576         iface_desc = psIntfAdapter->interface->cur_altsetting;
 577         //print_usb_interface_desc(&(iface_desc->desc));
 578         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Current number of endpoints :%x \n", iface_desc->desc.bNumEndpoints);
 579     for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value)
 580         {
 581         endpoint = &iface_desc->endpoint[value].desc;
 582                 //print_usb_endpoint_descriptor(endpoint);
 583
 584         if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint))
 585         {
 586             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 587             psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 588             psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
 589                                                                 endpoint->bEndpointAddress;
 590                 psIntfAdapter->sBulkIn.bulk_in_pipe =
 591                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 592                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 593         }
 594
 595         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint))
 596         {
 597
 598                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 599                                                                                 endpoint->bEndpointAddress;
 600                 psIntfAdapter->sBulkOut.bulk_out_pipe =
 601                         usb_sndbulkpipe(psIntfAdapter->udev,
 602                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 603         }
 604
 605         if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint))
 606         {
 607             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 608             psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 609             psIntfAdapter->sIntrIn.int_in_endpointAddr =
 610                                                                 endpoint->bEndpointAddress;
 611             psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 612             psIntfAdapter->sIntrIn.int_in_buffer =
 613                                                 kmalloc(buffer_size, GFP_KERNEL);
 614             if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 615                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_in_buffer");
 616                 return -EINVAL;
 617             }
 618                         //psIntfAdapter->sIntrIn.int_in_pipe =
 619         }
 620
 621         if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint))
 622         {
 623
 624                         if( !psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 625                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer))
 626                         {
 627                                 //use first intout end point as a bulk out end point
 628                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 629                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 630                                 //printk("\nINT OUT Endpoing buffer size :%x endpoint :%x\n", buffer_size, value +1);
 631                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 632                                                                                 endpoint->bEndpointAddress;
 633                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 634                                 usb_sndintpipe(psIntfAdapter->udev,
 635                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 636                         psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 637
 638                         }
 639                         else if(value == EP6)
 640                         {
 641                     buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 642                     psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 643                     psIntfAdapter->sIntrOut.int_out_endpointAddr =
 644                                                                                 endpoint->bEndpointAddress;
 645                     psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 646                     psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size,
 647                                                                                                                 GFP_KERNEL);
 648                         if (!psIntfAdapter->sIntrOut.int_out_buffer)
 649                                         {
 650                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_out_buffer");
 651                         return -EINVAL;
 652             }
 653         }
 654     }
 655         }
 656     usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 657
 658         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 659         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 660                                 InterfaceFileReadbackFromChip;
 661         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 662
 663         retval = CreateInterruptUrb(psIntfAdapter);
 664
 665         if(retval)
 666         {
 667                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
 668                 return retval;
 669         }
 670
 671         retval = AllocUsbCb(psIntfAdapter);
 672         if(retval)
 673         {
 674                 return retval;
 675         }
 676
 677
 678         return device_run(psIntfAdapter);
 679 }
 680
 681 static int InterfaceSuspend (struct usb_interface *intf, pm_message_t message)
 682 {
 683         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 684         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=================================\n");
 685         //Bcm_kill_all_URBs(psIntfAdapter);
 686         psIntfAdapter->bSuspended = TRUE;
 687
 688         if(TRUE == psIntfAdapter->bPreparingForBusSuspend)
 689         {
 690                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 691
 692                 if(psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE)
 693                 {
 694                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 695                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
 696                 }
 697                 else
 698                 {
 699                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 700                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
 701                 }
 702         }
 703         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 704
 705         //Signaling the control pkt path
 706         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 707
 708         return 0;
 709 }
 710
 711 static int InterfaceResume (struct usb_interface *intf)
 712 {
 713     PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 714         printk("=================================\n");
 715         mdelay(100);
 716 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 717         intf->pm_usage_cnt =1 ;
 718 #endif
 719         psIntfAdapter->bSuspended = FALSE;
 720
 721         StartInterruptUrb(psIntfAdapter);
 722         InterfaceRx(psIntfAdapter);
 723         return 0;
 724 }
 725
 726 static struct usb_driver usbbcm_driver = {
 727     .name = "usbbcm",
 728     .probe = usbbcm_device_probe,
 729     .disconnect = usbbcm_disconnect,
 730     .suspend = InterfaceSuspend,
 731     .resume = InterfaceResume,
 732     .id_table = InterfaceUsbtable,
 733     .supports_autosuspend = 1,
 734 };
 735
 736 struct class *bcm_class;
 737
 738 /*
 739 Function:                               InterfaceInitialize
 740
 741 Description:                    This is the hardware specific initialization Function.
 742                                                 Registering the driver with NDIS , other device specific NDIS
 743                                                 and hardware initializations are done here.
 744
 745 Input parameters:               IN PMINI_ADAPTER Adapter   - Miniport Adapter Context
 746
 747
 748 Return:                                 BCM_STATUS_SUCCESS - If Initialization of the
 749                                                 HW Interface was successful.
 750                                                 Other           - If an error occured.
 751 */
 752 INT InterfaceInitialize(void)
 753 {
 754         bcm_class = class_create(THIS_MODULE, DRV_NAME);
 755         if (IS_ERR(bcm_class)) {
 756                 printk(KERN_ERR DRV_NAME ": could not create class\n");
 757                 return PTR_ERR(bcm_class);
 758         }
 759         return usb_register(&usbbcm_driver);
 760 }
 761
 762 INT InterfaceExit(void)
 763 {
 764         class_destroy (bcm_class);
 765         usb_deregister(&usbbcm_driver);
 766         return 0;
 767 }