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                         udev->autosuspend_delay = 0;
 281                         intf->needs_remote_wakeup = 1;
 282 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 283                         udev->autosuspend_disabled = 0;
 284 #else
 285                         usb_enable_autosuspend(udev);
 286 #endif
 287                         device_init_wakeup(&intf->dev,1);
 288 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 289                         usb_autopm_disable(intf);
 290 #endif
 291                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 292                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
 293                 }
 294                 else
 295                 {
 296                         intf->needs_remote_wakeup = 0;
 297 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 298                         udev->autosuspend_disabled = 1;
 299 #else
 300                         usb_disable_autosuspend(udev);
 301 #endif
 302                 }
 303         }
 304
 305     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 306     return retval;
 307 }
 308
 309 static void usbbcm_disconnect (struct usb_interface *intf)
 310 {
 311         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 312         PMINI_ADAPTER psAdapter = NULL;
 313         struct usb_device       *udev = NULL;
 314     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 315
 316         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usb disconnected");
 317         if(intf == NULL)
 318         {
 319                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf pointer is NULL");
 320                 return;
 321         }
 322         psIntfAdapter = usb_get_intfdata(intf);
 323         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%x",(unsigned int)psIntfAdapter);
 324         if(psIntfAdapter == NULL)
 325         {
 326                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapter pointer is NULL");
 327                 return;
 328         }
 329         psAdapter = psIntfAdapter->psAdapter;
 330         if(psAdapter->bDoSuspend)
 331                 intf->needs_remote_wakeup = 0;
 332
 333         psAdapter->device_removed = TRUE ;
 334         usb_set_intfdata(intf, NULL);
 335         InterfaceAdapterFree(psIntfAdapter);
 336         udev = interface_to_usbdev (intf);
 337         usb_put_dev(udev);
 338         usb_deregister_dev (intf, &usbbcm_class);
 339 }
 340
 341
 342 static __inline int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 343 {
 344         int i = 0;
 345         for(i = 0; i < MAXIMUM_USB_TCB; i++)
 346         {
 347                 if((psIntfAdapter->asUsbTcb[i].urb =
 348                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 349                 {
 350                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
 351                         return -ENOMEM;
 352                 }
 353         }
 354
 355         for(i = 0; i < MAXIMUM_USB_RCB; i++)
 356         {
 357                 if ((psIntfAdapter->asUsbRcb[i].urb =
 358                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 359                 {
 360                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
 361                         return -ENOMEM;
 362                 }
 363                 if((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 364                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL)
 365                 {
 366                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
 367                         return -ENOMEM;
 368                 }
 369                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 370         }
 371         return 0;
 372 }
 373
 374
 375
 376 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 377 {
 378         INT value = 0;
 379         UINT status = STATUS_SUCCESS;
 380
 381         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 382         if(status != STATUS_SUCCESS)
 383         {
 384                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "InitCardAndDownloadFirmware failed.\n");
 385                 return status;
 386         }
 387         if(TRUE == psIntfAdapter->psAdapter->fw_download_done)
 388         {
 389
 390                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Sending first interrupt URB down......");
 391                 if(StartInterruptUrb(psIntfAdapter))
 392                 {
 393                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
 394                 }
 395                 //now register the cntrl interface.
 396                 //after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 397
 398                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 399                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 400                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 401
 402                 if(value == 0)
 403                 {
 404                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Mailbox Interrupt has not reached to Driver..");
 405                 }
 406                 else
 407                 {
 408                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Got the mailbox interrupt ...Registering control interface...\n ");
 409                 }
 410                 if(register_control_device_interface(psIntfAdapter->psAdapter) < 0)
 411                 {
 412                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Register Control Device failed...");
 413                         return -EIO;
 414                 }
 415         }
 416         return 0;
 417 }
 418
 419 #if 0
 420 static void     print_usb_interface_desc(struct usb_interface_descriptor *usb_intf_desc)
 421 {
 422                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** INTERFACE DESCRIPTOR *********************");
 423                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength: %x", usb_intf_desc->bLength);
 424                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType: %x", usb_intf_desc->bDescriptorType);
 425                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceNumber: %x", usb_intf_desc->bInterfaceNumber);
 426                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bAlternateSetting: %x", usb_intf_desc->bAlternateSetting);
 427                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bNumEndpoints: %x", usb_intf_desc->bNumEndpoints);
 428                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceClass: %x", usb_intf_desc->bInterfaceClass);
 429                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceSubClass: %x", usb_intf_desc->bInterfaceSubClass);
 430                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceProtocol: %x", usb_intf_desc->bInterfaceProtocol);
 431                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "iInterface :%x\n",usb_intf_desc->iInterface);
 432 }
 433 static void     print_usb_endpoint_descriptor(struct usb_endpoint_descriptor *usb_ep_desc)
 434 {
 435                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** ENDPOINT DESCRIPTOR *********************");
 436                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength  :%x ", usb_ep_desc->bLength);
 437                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType  :%x ", usb_ep_desc->bDescriptorType);
 438                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bEndpointAddress  :%x ", usb_ep_desc->bEndpointAddress);
 439                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bmAttributes  :%x ", usb_ep_desc->bmAttributes);
 440                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "wMaxPacketSize  :%x ",usb_ep_desc->wMaxPacketSize);
 441                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterval  :%x ",usb_ep_desc->bInterval);
 442 }
 443
 444 #endif
 445
 446 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 447 {
 448         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 449 }
 450
 451 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 452 {
 453         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 454 }
 455
 456 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 457 {
 458         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 459 }
 460
 461 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 462 {
 463         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 464 }
 465
 466 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 467 {
 468         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 469                 USB_ENDPOINT_XFER_BULK);
 470 }
 471
 472 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 473 {
 474         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 475                 USB_ENDPOINT_XFER_CONTROL);
 476 }
 477
 478 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 479 {
 480         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 481                 USB_ENDPOINT_XFER_INT);
 482 }
 483
 484 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 485 {
 486         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 487                 USB_ENDPOINT_XFER_ISOC);
 488 }
 489
 490 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 491 {
 492         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 493 }
 494
 495 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 496 {
 497         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 498 }
 499
 500 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 501 {
 502         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 503 }
 504
 505 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 506 {
 507         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 508 }
 509
 510 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 511 {
 512         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 513 }
 514
 515 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 516 {
 517         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 518 }
 519
 520 INT InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 521 {
 522         struct usb_host_interface *iface_desc;
 523         struct usb_endpoint_descriptor *endpoint;
 524         size_t buffer_size;
 525         ULONG value;
 526         INT retval = 0;
 527         INT usedIntOutForBulkTransfer = 0 ;
 528         BOOLEAN bBcm16 = FALSE;
 529         UINT uiData = 0;
 530
 531         if(psIntfAdapter == NULL)
 532         {
 533                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Interface Adapter is NULL");
 534                 return -EINVAL;
 535         }
 536         /* Store the usb dev into interface adapter */
 537         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(
 538                                                                 psIntfAdapter->interface));
 539
 540         if((psIntfAdapter->udev->speed == USB_SPEED_HIGH))
 541         {
 542                 psIntfAdapter->bHighSpeedDevice = TRUE ;
 543                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO HIGH_SPEED ");
 544         }
 545         else
 546         {
 547                 psIntfAdapter->bHighSpeedDevice = FALSE ;
 548                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO FULL_SPEED ");
 549         }
 550
 551         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 552         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 553
 554         if(rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0)
 555         {
 556                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 557                 return STATUS_FAILURE;
 558         }
 559     if(0xbece3200==(psIntfAdapter->psAdapter->chip_id&~(0xF0)))
 560         {
 561                 psIntfAdapter->psAdapter->chip_id=(psIntfAdapter->psAdapter->chip_id&~(0xF0));
 562         }
 563
 564         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "First RDM Chip ID 0x%lx\n", psIntfAdapter->psAdapter->chip_id);
 565
 566     iface_desc = psIntfAdapter->interface->cur_altsetting;
 567         //print_usb_interface_desc(&(iface_desc->desc));
 568
 569         if(psIntfAdapter->psAdapter->chip_id == T3B)
 570         {
 571
 572                 //
 573                 //T3B device will have EEPROM,check if EEPROM is proper and BCM16 can be done or not.
 574                 //
 575                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter,&uiData,0x0,4);
 576                 if(uiData == BECM)
 577                 {
 578                         bBcm16 = TRUE;
 579                 }
 580                 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);
 581                 if(bBcm16 == TRUE)
 582                 {
 583                         //selecting alternate setting one as a default setting for High Speed  modem.
 584                         if(psIntfAdapter->bHighSpeedDevice)
 585                                 retval= usb_set_interface(psIntfAdapter->udev,DEFAULT_SETTING_0,ALTERNATE_SETTING_1);
 586                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
 587                         if(retval || (psIntfAdapter->bHighSpeedDevice == FALSE))
 588                         {
 589                                 usedIntOutForBulkTransfer = EP2 ;
 590                                 endpoint = &iface_desc->endpoint[EP2].desc;
 591                                 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");
 592                                 /*
 593                                 If Modem is high speed device EP2 should be INT OUT End point
 594                                 If Mode is FS then EP2 should be bulk end point
 595                                 */
 596                                 if(((psIntfAdapter->bHighSpeedDevice ==TRUE ) && (bcm_usb_endpoint_is_int_out(endpoint)== FALSE))
 597                                         ||((psIntfAdapter->bHighSpeedDevice == FALSE)&& (bcm_usb_endpoint_is_bulk_out(endpoint)== FALSE)))
 598                                 {
 599                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Configuring the EEPROM ");
 600                                         //change the EP2, EP4 to INT OUT end point
 601                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 602
 603                                         /*
 604                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 605                                         re-enumerate the device
 606                                         */
 607                                         retval = usb_reset_device(psIntfAdapter->udev);
 608                                         if(retval)
 609                                         {
 610                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 611                                                 return retval ;
 612                                         }
 613
 614                                 }
 615                                 if((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint))
 616                                 {
 617                                         // Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail.
 618                                         UINT uiData = ntohl(EP2_CFG_INT);
 619                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Reverting Bulk to INT as it is FS MODE");
 620                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter,(PUCHAR)&uiData,0x136,4,TRUE);
 621                                 }
 622                         }
 623                         else
 624                         {
 625                                 usedIntOutForBulkTransfer = EP4 ;
 626                                 endpoint = &iface_desc->endpoint[EP4].desc;
 627                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
 628                                 if( bcm_usb_endpoint_is_int_out(endpoint) == FALSE)
 629                                 {
 630                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
 631                                         //change the EP2, EP4 to INT OUT end point and use EP4 in altsetting
 632                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 633
 634                                         /*
 635                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 636                                         re-enumerate the device
 637                                         */
 638                                         retval = usb_reset_device(psIntfAdapter->udev);
 639                                         if(retval)
 640                                         {
 641                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 642                                                 return retval ;
 643                                         }
 644
 645                                 }
 646                         }
 647                 }
 648         }
 649
 650         iface_desc = psIntfAdapter->interface->cur_altsetting;
 651         //print_usb_interface_desc(&(iface_desc->desc));
 652         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Current number of endpoints :%x \n", iface_desc->desc.bNumEndpoints);
 653     for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value)
 654         {
 655         endpoint = &iface_desc->endpoint[value].desc;
 656                 //print_usb_endpoint_descriptor(endpoint);
 657
 658         if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint))
 659         {
 660             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 661             psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 662             psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
 663                                                                 endpoint->bEndpointAddress;
 664                 psIntfAdapter->sBulkIn.bulk_in_pipe =
 665                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 666                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 667         }
 668
 669         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint))
 670         {
 671
 672                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 673                                                                                 endpoint->bEndpointAddress;
 674                 psIntfAdapter->sBulkOut.bulk_out_pipe =
 675                         usb_sndbulkpipe(psIntfAdapter->udev,
 676                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 677         }
 678
 679         if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint))
 680         {
 681             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 682             psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 683             psIntfAdapter->sIntrIn.int_in_endpointAddr =
 684                                                                 endpoint->bEndpointAddress;
 685             psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 686             psIntfAdapter->sIntrIn.int_in_buffer =
 687                                                 kmalloc(buffer_size, GFP_KERNEL);
 688             if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 689                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_in_buffer");
 690                 return -EINVAL;
 691             }
 692                         //psIntfAdapter->sIntrIn.int_in_pipe =
 693         }
 694
 695         if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint))
 696         {
 697
 698                         if( !psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 699                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer))
 700                         {
 701                                 //use first intout end point as a bulk out end point
 702                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 703                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 704                                 //printk("\nINT OUT Endpoing buffer size :%x endpoint :%x\n", buffer_size, value +1);
 705                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 706                                                                                 endpoint->bEndpointAddress;
 707                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 708                                 usb_sndintpipe(psIntfAdapter->udev,
 709                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 710                         psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 711
 712                         }
 713                         else if(value == EP6)
 714                         {
 715                     buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 716                     psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 717                     psIntfAdapter->sIntrOut.int_out_endpointAddr =
 718                                                                                 endpoint->bEndpointAddress;
 719                     psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 720                     psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size,
 721                                                                                                                 GFP_KERNEL);
 722                         if (!psIntfAdapter->sIntrOut.int_out_buffer)
 723                                         {
 724                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_out_buffer");
 725                         return -EINVAL;
 726             }
 727         }
 728     }
 729         }
 730     usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 731     retval = usb_register_dev(psIntfAdapter->interface, &usbbcm_class);
 732         if(retval)
 733         {
 734                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb register dev failed = %d", retval);
 735                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = FALSE;
 736                 return retval;
 737         }
 738         else
 739         {
 740                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = TRUE;
 741                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb dev registered");
 742         }
 743
 744         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 745         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 746                                 InterfaceFileReadbackFromChip;
 747         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 748
 749         retval = CreateInterruptUrb(psIntfAdapter);
 750
 751         if(retval)
 752         {
 753                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
 754                 return retval;
 755         }
 756
 757         retval = AllocUsbCb(psIntfAdapter);
 758         if(retval)
 759         {
 760                 return retval;
 761         }
 762
 763
 764         retval = device_run(psIntfAdapter);
 765         if(retval)
 766         {
 767                 return retval;
 768         }
 769
 770
 771         return 0;
 772 }
 773 int InterfaceSuspend (struct usb_interface *intf, pm_message_t message)
 774 {
 775         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 776         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=================================\n");
 777         //Bcm_kill_all_URBs(psIntfAdapter);
 778         psIntfAdapter->bSuspended = TRUE;
 779
 780         if(TRUE == psIntfAdapter->bPreparingForBusSuspend)
 781         {
 782                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 783
 784                 if(psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE)
 785                 {
 786                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 787                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
 788                 }
 789                 else
 790                 {
 791                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 792                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
 793                 }
 794         }
 795         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 796
 797         //Signaling the control pkt path
 798         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 799
 800         return 0;
 801 }
 802 int InterfaceResume (struct usb_interface *intf)
 803 {
 804     PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 805         printk("=================================\n");
 806         mdelay(100);
 807 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 808         intf->pm_usage_cnt =1 ;
 809 #endif
 810         psIntfAdapter->bSuspended = FALSE;
 811
 812         StartInterruptUrb(psIntfAdapter);
 813         InterfaceRx(psIntfAdapter);
 814         return 0;
 815 }
 816 int InterfacePreReset(struct usb_interface *intf)
 817 {
 818     printk("====================>");
 819         return STATUS_SUCCESS;
 820 }
 821 int InterfacePostReset(struct usb_interface *intf)
 822 {
 823     printk("Do Post chip reset setting here if it is required");
 824         return STATUS_SUCCESS;
 825 }
 826 static struct usb_driver usbbcm_driver = {
 827     .name = "usbbcm",
 828     .probe = usbbcm_device_probe,
 829     .disconnect = usbbcm_disconnect,
 830     .suspend = InterfaceSuspend,
 831     .resume = InterfaceResume,
 832         .pre_reset=InterfacePreReset,
 833         .post_reset=InterfacePostReset,
 834     .id_table = InterfaceUsbtable,
 835     .supports_autosuspend = 1,
 836 };
 837
 838
 839 /*
 840 Function:                               InterfaceInitialize
 841
 842 Description:                    This is the hardware specific initialization Function.
 843                                                 Registering the driver with NDIS , other device specific NDIS
 844                                                 and hardware initializations are done here.
 845
 846 Input parameters:               IN PMINI_ADAPTER Adapter   - Miniport Adapter Context
 847
 848
 849 Return:                                 BCM_STATUS_SUCCESS - If Initialization of the
 850                                                 HW Interface was successful.
 851                                                 Other           - If an error occured.
 852 */
 853 INT InterfaceInitialize(void)
 854 {
 855 //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Registering Usb driver!!");
 856         return usb_register(&usbbcm_driver);
 857 }
 858
 859 INT InterfaceExit(void)
 860 {
 861         //PMINI_ADAPTER psAdapter = NULL;
 862         int status = 0;
 863
 864         //BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Deregistering Usb driver!!");
 865         usb_deregister(&usbbcm_driver);
 866         return status;
 867 }
 868 MODULE_LICENSE ("GPL");