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 VOID InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
  13 {
  14         INT i = 0;
  15         // Wake up the wait_queue...
  16         if(psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY)
  17         {
  18                 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
  19                 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
  20         }
  21         reset_card_proc(psIntfAdapter->psAdapter);
  22
  23         //worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
  24         //to accertain the device is not being accessed. After this No RDM/WRM should be made.
  25         while(psIntfAdapter->psAdapter->DeviceAccess)
  26         {
  27                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Device is being Accessed \n");
  28                 msleep(100);
  29         }
  30         /* Free interrupt URB */
  31         //psIntfAdapter->psAdapter->device_removed = TRUE;
  32         if(psIntfAdapter->psInterruptUrb)
  33         {
  34                 usb_free_urb(psIntfAdapter->psInterruptUrb);
  35         }
  36
  37         /* Free transmit URBs */
  38         for(i = 0; i < MAXIMUM_USB_TCB; i++)
  39         {
  40                 if(psIntfAdapter->asUsbTcb[i].urb  != NULL)
  41                 {
  42                         usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
  43                         psIntfAdapter->asUsbTcb[i].urb = NULL;
  44                 }
  45         }
  46         /* Free receive URB and buffers */
  47         for(i = 0; i < MAXIMUM_USB_RCB; i++)
  48         {
  49                 if (psIntfAdapter->asUsbRcb[i].urb != NULL)
  50                 {
  51                         bcm_kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
  52                         usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
  53                         psIntfAdapter->asUsbRcb[i].urb = NULL;
  54                 }
  55         }
  56         AdapterFree(psIntfAdapter->psAdapter);
  57 }
  58
  59
  60
  61 static int usbbcm_open(struct inode *inode, struct file *file)
  62 {
  63         return 0;
  64 }
  65
  66 static int usbbcm_release(struct inode *inode, struct file *file)
  67 {
  68         return 0;
  69 }
  70
  71 static ssize_t usbbcm_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
  72 {
  73         return 0;
  74 }
  75
  76 static ssize_t usbbcm_write(struct file *file, const char *user_buffer, size_t count, loff_t *ppos)
  77 {
  78         return 0;
  79 }
  80
  81
  82 VOID ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
  83 {
  84         ULONG ulReg = 0;
  85
  86 // Program EP2 MAX_PKT_SIZE
  87         ulReg = ntohl(EP2_MPS_REG);
  88         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x128,4,TRUE);
  89         ulReg = ntohl(EP2_MPS);
  90         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x12C,4,TRUE);
  91
  92         ulReg = ntohl(EP2_CFG_REG);
  93         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x132,4,TRUE);
  94         if(((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE)
  95         {
  96                 ulReg = ntohl(EP2_CFG_INT);
  97                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
  98         }
  99         else
 100         {
 101 // USE BULK EP as TX in FS mode.
 102                 ulReg = ntohl(EP2_CFG_BULK);
 103                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
 104         }
 105
 106
 107 // Program EP4 MAX_PKT_SIZE.
 108         ulReg = ntohl(EP4_MPS_REG);
 109         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x13C,4,TRUE);
 110         ulReg = ntohl(EP4_MPS);
 111         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x140,4,TRUE);
 112
 113 //      Program TX EP as interrupt (Alternate Setting)
 114         if( rdmalt(Adapter,0x0F0110F8, (PUINT)&ulReg,4))
 115         {
 116                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reading of Tx EP is failing");
 117                 return ;
 118         }
 119         ulReg |= 0x6;
 120
 121         ulReg = ntohl(ulReg);
 122         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1CC,4,TRUE);
 123
 124         ulReg = ntohl(EP4_CFG_REG);
 125         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C8,4,TRUE);
 126 // Program ISOCHRONOUS EP size to zero.
 127         ulReg = ntohl(ISO_MPS_REG);
 128         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D2,4,TRUE);
 129         ulReg = ntohl(ISO_MPS);
 130         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D6,4,TRUE);
 131
 132 // Update EEPROM Version.
 133 // Read 4 bytes from 508 and modify 511 and 510.
 134 //
 135         ReadBeceemEEPROM(Adapter,0x1FC,(PUINT)&ulReg);
 136         ulReg &= 0x0101FFFF;
 137         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1FC,4,TRUE);
 138 //
 139 //Update length field if required. Also make the string NULL terminated.
 140 //
 141         ReadBeceemEEPROM(Adapter,0xA8,(PUINT)&ulReg);
 142         if((ulReg&0x00FF0000)>>16 > 0x30)
 143         {
 144                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 145                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0xA8,4,TRUE);
 146         }
 147         ReadBeceemEEPROM(Adapter,0x148,(PUINT)&ulReg);
 148         if((ulReg&0x00FF0000)>>16 > 0x30)
 149         {
 150                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 151                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x148,4,TRUE);
 152         }
 153         ulReg = 0;
 154         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x122,4,TRUE);
 155         ulReg = 0;
 156         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C2,4,TRUE);
 157
 158 }
 159
 160 static struct file_operations usbbcm_fops = {
 161     .open    =  usbbcm_open,
 162     .release =  usbbcm_release,
 163     .read    =  usbbcm_read,
 164     .write   =  usbbcm_write,
 165     .owner   =  THIS_MODULE,
 166 };
 167
 168 static struct usb_class_driver usbbcm_class = {
 169     .name =             "usbbcm",
 170     .fops =             &usbbcm_fops,
 171     .minor_base =   BCM_USB_MINOR_BASE,
 172 };
 173
 174 static int
 175 usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
 176 {
 177         int retval =0 ;
 178         PMINI_ADAPTER psAdapter = NULL;
 179         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 180         struct usb_device      *udev = NULL;
 181
 182 //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usbbcm probe!!");
 183         if((intf == NULL) || (id == NULL))
 184         {
 185         //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf or id is NULL");
 186                 return -EINVAL;
 187         }
 188
 189         /* Allocate Adapter structure */
 190         if((psAdapter = kmalloc(sizeof(MINI_ADAPTER), GFP_KERNEL)) == NULL)
 191         {
 192                 //BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_PRINTK, 0, 0, "Out of memory");
 193                 return -ENOMEM;
 194         }
 195
 196         memset(psAdapter, 0, sizeof(MINI_ADAPTER));
 197
 198     /* Init default driver debug state */
 199
 200     psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
 201         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
 202         memset (psAdapter->stDebugState.subtype, 0, sizeof (psAdapter->stDebugState.subtype));
 203
 204     /* Technically, one can start using BCM_DEBUG_PRINT after this point.
 205          * However, realize that by default the Type/Subtype bitmaps are all zero now;
 206          * so no prints will actually appear until the TestApp turns on debug paths via
 207          * the ioctl(); so practically speaking, in early init, no logging happens.
 208          *
 209          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
 210          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
 211          * during early init.
 212          * Further, we turn this OFF once init_module() completes.
 213          */
 214
 215     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
 216         BCM_SHOW_DEBUG_BITMAP(psAdapter);
 217
 218         retval = InitAdapter(psAdapter);
 219         if(retval)
 220         {
 221                 BCM_DEBUG_PRINT (psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InitAdapter Failed\n");
 222                 AdapterFree(psAdapter);
 223                 return retval;
 224         }
 225
 226         /* Allocate interface adapter structure */
 227         if((psAdapter->pvInterfaceAdapter =
 228                 kmalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL)) == NULL)
 229         {
 230                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_PRINTK, 0, 0, "Out of memory");
 231                 AdapterFree (psAdapter);
 232                 return -ENOMEM;
 233         }
 234         memset(psAdapter->pvInterfaceAdapter, 0, sizeof(S_INTERFACE_ADAPTER));
 235
 236         psIntfAdapter = InterfaceAdapterGet(psAdapter);
 237         psIntfAdapter->psAdapter = psAdapter;
 238
 239         /* Store usb interface in Interface Adapter */
 240         psIntfAdapter->interface = intf;
 241         usb_set_intfdata(intf, psIntfAdapter);
 242
 243         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%x",(unsigned int)psIntfAdapter);
 244         retval = InterfaceAdapterInit(psIntfAdapter);
 245         if(retval)
 246         {
 247                 /* If the Firmware/Cfg File is not present
 248                  * then return success, let the application
 249                  * download the files.
 250                  */
 251                 if(-ENOENT == retval){
 252                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "File Not Found, Use App to Download\n");
 253                         return STATUS_SUCCESS;
 254                 }
 255                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapterInit Failed \n");
 256                 usb_set_intfdata(intf, NULL);
 257                 udev = interface_to_usbdev (intf);
 258                 usb_put_dev(udev);
 259                 if(psAdapter->bUsbClassDriverRegistered == TRUE)
 260                                 usb_deregister_dev (intf, &usbbcm_class);
 261                 InterfaceAdapterFree(psIntfAdapter);
 262                 return retval ;
 263         }
 264         if(psAdapter->chip_id > T3)
 265         {
 266                 uint32_t uiNackZeroLengthInt=4;
 267                 if(wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt)))
 268                 {
 269                         return -EIO;;
 270                 }
 271         }
 272
 273         udev = interface_to_usbdev (intf);
 274         /* Check whether the USB-Device Supports remote Wake-Up */
 275         if(USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes)
 276         {
 277                 /* If Suspend then only support dynamic suspend */
 278                 if(psAdapter->bDoSuspend)
 279                 {
 280 #ifdef CONFIG_PM
 281                         udev->autosuspend_delay = 0;
 282                         intf->needs_remote_wakeup = 1;
 283 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 284                         udev->autosuspend_disabled = 0;
 285 #else
 286                         usb_enable_autosuspend(udev);
 287 #endif
 288                         device_init_wakeup(&intf->dev,1);
 289 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 290                         usb_autopm_disable(intf);
 291 #endif
 292                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 293                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
 294 #endif
 295                 }
 296                 else
 297                 {
 298                         intf->needs_remote_wakeup = 0;
 299 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 300                         udev->autosuspend_disabled = 1;
 301 #else
 302                         usb_disable_autosuspend(udev);
 303 #endif
 304                 }
 305         }
 306
 307     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 308     return retval;
 309 }
 310
 311 static void usbbcm_disconnect (struct usb_interface *intf)
 312 {
 313         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 314         PMINI_ADAPTER psAdapter = NULL;
 315         struct usb_device       *udev = NULL;
 316     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 317
 318         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usb disconnected");
 319         if(intf == NULL)
 320         {
 321                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf pointer is NULL");
 322                 return;
 323         }
 324         psIntfAdapter = usb_get_intfdata(intf);
 325         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%x",(unsigned int)psIntfAdapter);
 326         if(psIntfAdapter == NULL)
 327         {
 328                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapter pointer is NULL");
 329                 return;
 330         }
 331         psAdapter = psIntfAdapter->psAdapter;
 332         if(psAdapter->bDoSuspend)
 333                 intf->needs_remote_wakeup = 0;
 334
 335         psAdapter->device_removed = TRUE ;
 336         usb_set_intfdata(intf, NULL);
 337         InterfaceAdapterFree(psIntfAdapter);
 338         udev = interface_to_usbdev (intf);
 339         usb_put_dev(udev);
 340         usb_deregister_dev (intf, &usbbcm_class);
 341 }
 342
 343
 344 static __inline int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 345 {
 346         int i = 0;
 347         for(i = 0; i < MAXIMUM_USB_TCB; i++)
 348         {
 349                 if((psIntfAdapter->asUsbTcb[i].urb =
 350                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 351                 {
 352                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
 353                         return -ENOMEM;
 354                 }
 355         }
 356
 357         for(i = 0; i < MAXIMUM_USB_RCB; i++)
 358         {
 359                 if ((psIntfAdapter->asUsbRcb[i].urb =
 360                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 361                 {
 362                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
 363                         return -ENOMEM;
 364                 }
 365                 if((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 366                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL)
 367                 {
 368                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
 369                         return -ENOMEM;
 370                 }
 371                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 372         }
 373         return 0;
 374 }
 375
 376
 377
 378 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 379 {
 380         INT value = 0;
 381         UINT status = STATUS_SUCCESS;
 382
 383         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 384         if(status != STATUS_SUCCESS)
 385         {
 386                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "InitCardAndDownloadFirmware failed.\n");
 387                 return status;
 388         }
 389         if(TRUE == psIntfAdapter->psAdapter->fw_download_done)
 390         {
 391
 392                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Sending first interrupt URB down......");
 393                 if(StartInterruptUrb(psIntfAdapter))
 394                 {
 395                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
 396                 }
 397                 //now register the cntrl interface.
 398                 //after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 399
 400                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 401                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 402                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 403
 404                 if(value == 0)
 405                 {
 406                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Mailbox Interrupt has not reached to Driver..");
 407                 }
 408                 else
 409                 {
 410                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Got the mailbox interrupt ...Registering control interface...\n ");
 411                 }
 412                 if(register_control_device_interface(psIntfAdapter->psAdapter) < 0)
 413                 {
 414                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Register Control Device failed...");
 415                         return -EIO;
 416                 }
 417         }
 418         return 0;
 419 }
 420
 421 #if 0
 422 static void     print_usb_interface_desc(struct usb_interface_descriptor *usb_intf_desc)
 423 {
 424                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** INTERFACE DESCRIPTOR *********************");
 425                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength: %x", usb_intf_desc->bLength);
 426                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType: %x", usb_intf_desc->bDescriptorType);
 427                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceNumber: %x", usb_intf_desc->bInterfaceNumber);
 428                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bAlternateSetting: %x", usb_intf_desc->bAlternateSetting);
 429                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bNumEndpoints: %x", usb_intf_desc->bNumEndpoints);
 430                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceClass: %x", usb_intf_desc->bInterfaceClass);
 431                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceSubClass: %x", usb_intf_desc->bInterfaceSubClass);
 432                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceProtocol: %x", usb_intf_desc->bInterfaceProtocol);
 433                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "iInterface :%x\n",usb_intf_desc->iInterface);
 434 }
 435 static void     print_usb_endpoint_descriptor(struct usb_endpoint_descriptor *usb_ep_desc)
 436 {
 437                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** ENDPOINT DESCRIPTOR *********************");
 438                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength  :%x ", usb_ep_desc->bLength);
 439                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType  :%x ", usb_ep_desc->bDescriptorType);
 440                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bEndpointAddress  :%x ", usb_ep_desc->bEndpointAddress);
 441                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bmAttributes  :%x ", usb_ep_desc->bmAttributes);
 442                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "wMaxPacketSize  :%x ",usb_ep_desc->wMaxPacketSize);
 443                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterval  :%x ",usb_ep_desc->bInterval);
 444 }
 445
 446 #endif
 447
 448 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 449 {
 450         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 451 }
 452
 453 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 454 {
 455         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 456 }
 457
 458 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 459 {
 460         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 461 }
 462
 463 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 464 {
 465         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 466 }
 467
 468 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 469 {
 470         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 471                 USB_ENDPOINT_XFER_BULK);
 472 }
 473
 474 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 475 {
 476         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 477                 USB_ENDPOINT_XFER_CONTROL);
 478 }
 479
 480 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 481 {
 482         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 483                 USB_ENDPOINT_XFER_INT);
 484 }
 485
 486 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 487 {
 488         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 489                 USB_ENDPOINT_XFER_ISOC);
 490 }
 491
 492 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 493 {
 494         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 495 }
 496
 497 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 498 {
 499         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 500 }
 501
 502 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 503 {
 504         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 505 }
 506
 507 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 508 {
 509         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 510 }
 511
 512 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 513 {
 514         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 515 }
 516
 517 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 518 {
 519         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 520 }
 521
 522 INT InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 523 {
 524         struct usb_host_interface *iface_desc;
 525         struct usb_endpoint_descriptor *endpoint;
 526         size_t buffer_size;
 527         ULONG value;
 528         INT retval = 0;
 529         INT usedIntOutForBulkTransfer = 0 ;
 530         BOOLEAN bBcm16 = FALSE;
 531         UINT uiData = 0;
 532
 533         if(psIntfAdapter == NULL)
 534         {
 535                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Interface Adapter is NULL");
 536                 return -EINVAL;
 537         }
 538         /* Store the usb dev into interface adapter */
 539         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(
 540                                                                 psIntfAdapter->interface));
 541
 542         if((psIntfAdapter->udev->speed == USB_SPEED_HIGH))
 543         {
 544                 psIntfAdapter->bHighSpeedDevice = TRUE ;
 545                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO HIGH_SPEED ");
 546         }
 547         else
 548         {
 549                 psIntfAdapter->bHighSpeedDevice = FALSE ;
 550                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO FULL_SPEED ");
 551         }
 552
 553         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 554         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 555
 556         if(rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0)
 557         {
 558                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 559                 return STATUS_FAILURE;
 560         }
 561     if(0xbece3200==(psIntfAdapter->psAdapter->chip_id&~(0xF0)))
 562         {
 563                 psIntfAdapter->psAdapter->chip_id=(psIntfAdapter->psAdapter->chip_id&~(0xF0));
 564         }
 565
 566         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "First RDM Chip ID 0x%lx\n", psIntfAdapter->psAdapter->chip_id);
 567
 568     iface_desc = psIntfAdapter->interface->cur_altsetting;
 569         //print_usb_interface_desc(&(iface_desc->desc));
 570
 571         if(psIntfAdapter->psAdapter->chip_id == T3B)
 572         {
 573
 574                 //
 575                 //T3B device will have EEPROM,check if EEPROM is proper and BCM16 can be done or not.
 576                 //
 577                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter,&uiData,0x0,4);
 578                 if(uiData == BECM)
 579                 {
 580                         bBcm16 = TRUE;
 581                 }
 582                 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);
 583                 if(bBcm16 == TRUE)
 584                 {
 585                         //selecting alternate setting one as a default setting for High Speed  modem.
 586                         if(psIntfAdapter->bHighSpeedDevice)
 587                                 retval= usb_set_interface(psIntfAdapter->udev,DEFAULT_SETTING_0,ALTERNATE_SETTING_1);
 588                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
 589                         if(retval || (psIntfAdapter->bHighSpeedDevice == FALSE))
 590                         {
 591                                 usedIntOutForBulkTransfer = EP2 ;
 592                                 endpoint = &iface_desc->endpoint[EP2].desc;
 593                                 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");
 594                                 /*
 595                                 If Modem is high speed device EP2 should be INT OUT End point
 596                                 If Mode is FS then EP2 should be bulk end point
 597                                 */
 598                                 if(((psIntfAdapter->bHighSpeedDevice ==TRUE ) && (bcm_usb_endpoint_is_int_out(endpoint)== FALSE))
 599                                         ||((psIntfAdapter->bHighSpeedDevice == FALSE)&& (bcm_usb_endpoint_is_bulk_out(endpoint)== FALSE)))
 600                                 {
 601                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Configuring the EEPROM ");
 602                                         //change the EP2, EP4 to INT OUT end point
 603                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 604
 605                                         /*
 606                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 607                                         re-enumerate the device
 608                                         */
 609                                         retval = usb_reset_device(psIntfAdapter->udev);
 610                                         if(retval)
 611                                         {
 612                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 613                                                 return retval ;
 614                                         }
 615
 616                                 }
 617                                 if((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint))
 618                                 {
 619                                         // Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail.
 620                                         UINT uiData = ntohl(EP2_CFG_INT);
 621                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Reverting Bulk to INT as it is FS MODE");
 622                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter,(PUCHAR)&uiData,0x136,4,TRUE);
 623                                 }
 624                         }
 625                         else
 626                         {
 627                                 usedIntOutForBulkTransfer = EP4 ;
 628                                 endpoint = &iface_desc->endpoint[EP4].desc;
 629                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
 630                                 if( bcm_usb_endpoint_is_int_out(endpoint) == FALSE)
 631                                 {
 632                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
 633                                         //change the EP2, EP4 to INT OUT end point and use EP4 in altsetting
 634                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 635
 636                                         /*
 637                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 638                                         re-enumerate the device
 639                                         */
 640                                         retval = usb_reset_device(psIntfAdapter->udev);
 641                                         if(retval)
 642                                         {
 643                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 644                                                 return retval ;
 645                                         }
 646
 647                                 }
 648                         }
 649                 }
 650         }
 651
 652         iface_desc = psIntfAdapter->interface->cur_altsetting;
 653         //print_usb_interface_desc(&(iface_desc->desc));
 654         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Current number of endpoints :%x \n", iface_desc->desc.bNumEndpoints);
 655     for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value)
 656         {
 657         endpoint = &iface_desc->endpoint[value].desc;
 658                 //print_usb_endpoint_descriptor(endpoint);
 659
 660         if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint))
 661         {
 662             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 663             psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 664             psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
 665                                                                 endpoint->bEndpointAddress;
 666                 psIntfAdapter->sBulkIn.bulk_in_pipe =
 667                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 668                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 669         }
 670
 671         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint))
 672         {
 673
 674                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 675                                                                                 endpoint->bEndpointAddress;
 676                 psIntfAdapter->sBulkOut.bulk_out_pipe =
 677                         usb_sndbulkpipe(psIntfAdapter->udev,
 678                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 679         }
 680
 681         if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint))
 682         {
 683             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 684             psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 685             psIntfAdapter->sIntrIn.int_in_endpointAddr =
 686                                                                 endpoint->bEndpointAddress;
 687             psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 688             psIntfAdapter->sIntrIn.int_in_buffer =
 689                                                 kmalloc(buffer_size, GFP_KERNEL);
 690             if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 691                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_in_buffer");
 692                 return -EINVAL;
 693             }
 694                         //psIntfAdapter->sIntrIn.int_in_pipe =
 695         }
 696
 697         if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint))
 698         {
 699
 700                         if( !psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 701                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer))
 702                         {
 703                                 //use first intout end point as a bulk out end point
 704                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 705                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 706                                 //printk("\nINT OUT Endpoing buffer size :%x endpoint :%x\n", buffer_size, value +1);
 707                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 708                                                                                 endpoint->bEndpointAddress;
 709                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 710                                 usb_sndintpipe(psIntfAdapter->udev,
 711                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 712                         psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 713
 714                         }
 715                         else if(value == EP6)
 716                         {
 717                     buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 718                     psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 719                     psIntfAdapter->sIntrOut.int_out_endpointAddr =
 720                                                                                 endpoint->bEndpointAddress;
 721                     psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 722                     psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size,
 723                                                                                                                 GFP_KERNEL);
 724                         if (!psIntfAdapter->sIntrOut.int_out_buffer)
 725                                         {
 726                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_out_buffer");
 727                         return -EINVAL;
 728             }
 729         }
 730     }
 731         }
 732     usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 733     retval = usb_register_dev(psIntfAdapter->interface, &usbbcm_class);
 734         if(retval)
 735         {
 736                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb register dev failed = %d", retval);
 737                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = FALSE;
 738                 return retval;
 739         }
 740         else
 741         {
 742                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = TRUE;
 743                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb dev registered");
 744         }
 745
 746         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 747         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 748                                 InterfaceFileReadbackFromChip;
 749         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 750
 751         retval = CreateInterruptUrb(psIntfAdapter);
 752
 753         if(retval)
 754         {
 755                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
 756                 return retval;
 757         }
 758
 759         retval = AllocUsbCb(psIntfAdapter);
 760         if(retval)
 761         {
 762                 return retval;
 763         }
 764
 765
 766         retval = device_run(psIntfAdapter);
 767         if(retval)
 768         {
 769                 return retval;
 770         }
 771
 772
 773         return 0;
 774 }
 775 int InterfaceSuspend (struct usb_interface *intf, pm_message_t message)
 776 {
 777         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 778         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=================================\n");
 779         //Bcm_kill_all_URBs(psIntfAdapter);
 780         psIntfAdapter->bSuspended = TRUE;
 781
 782         if(TRUE == psIntfAdapter->bPreparingForBusSuspend)
 783         {
 784                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 785
 786                 if(psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE)
 787                 {
 788                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 789                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
 790                 }
 791                 else
 792                 {
 793                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 794                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
 795                 }
 796         }
 797         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 798
 799         //Signaling the control pkt path
 800         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 801
 802         return 0;
 803 }
 804 int InterfaceResume (struct usb_interface *intf)
 805 {
 806     PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 807         printk("=================================\n");
 808         mdelay(100);
 809 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 810         intf->pm_usage_cnt =1 ;
 811 #endif
 812         psIntfAdapter->bSuspended = FALSE;
 813
 814         StartInterruptUrb(psIntfAdapter);
 815         InterfaceRx(psIntfAdapter);
 816         return 0;
 817 }
 818 int InterfacePreReset(struct usb_interface *intf)
 819 {
 820     printk("====================>");
 821         return STATUS_SUCCESS;
 822 }
 823 int InterfacePostReset(struct usb_interface *intf)
 824 {
 825     printk("Do Post chip reset setting here if it is required");
 826         return STATUS_SUCCESS;
 827 }
 828 static struct usb_driver usbbcm_driver = {
 829     .name = "usbbcm",
 830     .probe = usbbcm_device_probe,
 831     .disconnect = usbbcm_disconnect,
 832     .suspend = InterfaceSuspend,
 833     .resume = InterfaceResume,
 834         .pre_reset=InterfacePreReset,
 835         .post_reset=InterfacePostReset,
 836     .id_table = InterfaceUsbtable,
 837     .supports_autosuspend = 1,
 838 };
 839
 840
 841 /*
 842 Function:                               InterfaceInitialize
 843
 844 Description:                    This is the hardware specific initialization Function.
 845                                                 Registering the driver with NDIS , other device specific NDIS
 846                                                 and hardware initializations are done here.
 847
 848 Input parameters:               IN PMINI_ADAPTER Adapter   - Miniport Adapter Context
 849
 850
 851 Return:                                 BCM_STATUS_SUCCESS - If Initialization of the
 852                                                 HW Interface was successful.
 853                                                 Other           - If an error occured.
 854 */
 855 INT InterfaceInitialize(void)
 856 {
 857 //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Registering Usb driver!!");
 858         return usb_register(&usbbcm_driver);
 859 }
 860
 861 INT InterfaceExit(void)
 862 {
 863         //PMINI_ADAPTER psAdapter = NULL;
 864         int status = 0;
 865
 866         //BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Deregistering Usb driver!!");
 867         usb_deregister(&usbbcm_driver);
 868         return status;
 869 }
 870 MODULE_LICENSE ("GPL");