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 static unsigned int debug_level = DBG_LVL_CURR;
  15 module_param(debug_level, uint, 0644);
  16 MODULE_PARM_DESC(debug_level, "Debug level (0=none,...,7=all)");
  17
  18
  19 VOID InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
  20 {
  21         INT i = 0;
  22         // Wake up the wait_queue...
  23         if(psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY)
  24         {
  25                 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
  26                 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
  27         }
  28         reset_card_proc(psIntfAdapter->psAdapter);
  29
  30         //worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
  31         //to accertain the device is not being accessed. After this No RDM/WRM should be made.
  32         while(psIntfAdapter->psAdapter->DeviceAccess)
  33         {
  34                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Device is being Accessed \n");
  35                 msleep(100);
  36         }
  37         /* Free interrupt URB */
  38         //psIntfAdapter->psAdapter->device_removed = TRUE;
  39         if(psIntfAdapter->psInterruptUrb)
  40         {
  41                 usb_free_urb(psIntfAdapter->psInterruptUrb);
  42         }
  43
  44         /* Free transmit URBs */
  45         for(i = 0; i < MAXIMUM_USB_TCB; i++)
  46         {
  47                 if(psIntfAdapter->asUsbTcb[i].urb  != NULL)
  48                 {
  49                         usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
  50                         psIntfAdapter->asUsbTcb[i].urb = NULL;
  51                 }
  52         }
  53         /* Free receive URB and buffers */
  54         for(i = 0; i < MAXIMUM_USB_RCB; i++)
  55         {
  56                 if (psIntfAdapter->asUsbRcb[i].urb != NULL)
  57                 {
  58                         kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
  59                         usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
  60                         psIntfAdapter->asUsbRcb[i].urb = NULL;
  61                 }
  62         }
  63         AdapterFree(psIntfAdapter->psAdapter);
  64 }
  65
  66
  67
  68 static int usbbcm_open(struct inode *inode, struct file *file)
  69 {
  70         return 0;
  71 }
  72
  73 static int usbbcm_release(struct inode *inode, struct file *file)
  74 {
  75         return 0;
  76 }
  77
  78 static ssize_t usbbcm_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
  79 {
  80         return 0;
  81 }
  82
  83 static ssize_t usbbcm_write(struct file *file, const char __user *user_buffer, size_t count, loff_t *ppos)
  84 {
  85         return 0;
  86 }
  87
  88
  89 VOID ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
  90 {
  91         ULONG ulReg = 0;
  92
  93 // Program EP2 MAX_PKT_SIZE
  94         ulReg = ntohl(EP2_MPS_REG);
  95         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x128,4,TRUE);
  96         ulReg = ntohl(EP2_MPS);
  97         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x12C,4,TRUE);
  98
  99         ulReg = ntohl(EP2_CFG_REG);
 100         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x132,4,TRUE);
 101         if(((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE)
 102         {
 103                 ulReg = ntohl(EP2_CFG_INT);
 104                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
 105         }
 106         else
 107         {
 108 // USE BULK EP as TX in FS mode.
 109                 ulReg = ntohl(EP2_CFG_BULK);
 110                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x136,4,TRUE);
 111         }
 112
 113
 114 // Program EP4 MAX_PKT_SIZE.
 115         ulReg = ntohl(EP4_MPS_REG);
 116         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x13C,4,TRUE);
 117         ulReg = ntohl(EP4_MPS);
 118         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x140,4,TRUE);
 119
 120 //      Program TX EP as interrupt (Alternate Setting)
 121         if( rdmalt(Adapter,0x0F0110F8, (PUINT)&ulReg,4))
 122         {
 123                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reading of Tx EP is failing");
 124                 return ;
 125         }
 126         ulReg |= 0x6;
 127
 128         ulReg = ntohl(ulReg);
 129         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1CC,4,TRUE);
 130
 131         ulReg = ntohl(EP4_CFG_REG);
 132         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C8,4,TRUE);
 133 // Program ISOCHRONOUS EP size to zero.
 134         ulReg = ntohl(ISO_MPS_REG);
 135         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D2,4,TRUE);
 136         ulReg = ntohl(ISO_MPS);
 137         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1D6,4,TRUE);
 138
 139 // Update EEPROM Version.
 140 // Read 4 bytes from 508 and modify 511 and 510.
 141 //
 142         ReadBeceemEEPROM(Adapter,0x1FC,(PUINT)&ulReg);
 143         ulReg &= 0x0101FFFF;
 144         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1FC,4,TRUE);
 145 //
 146 //Update length field if required. Also make the string NULL terminated.
 147 //
 148         ReadBeceemEEPROM(Adapter,0xA8,(PUINT)&ulReg);
 149         if((ulReg&0x00FF0000)>>16 > 0x30)
 150         {
 151                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 152                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0xA8,4,TRUE);
 153         }
 154         ReadBeceemEEPROM(Adapter,0x148,(PUINT)&ulReg);
 155         if((ulReg&0x00FF0000)>>16 > 0x30)
 156         {
 157                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 158                 BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x148,4,TRUE);
 159         }
 160         ulReg = 0;
 161         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x122,4,TRUE);
 162         ulReg = 0;
 163         BeceemEEPROMBulkWrite(Adapter,(PUCHAR)&ulReg,0x1C2,4,TRUE);
 164
 165 }
 166
 167 static struct file_operations usbbcm_fops = {
 168     .open    =  usbbcm_open,
 169     .release =  usbbcm_release,
 170     .read    =  usbbcm_read,
 171     .write   =  usbbcm_write,
 172     .owner   =  THIS_MODULE,
 173         .llseek = no_llseek,
 174 };
 175
 176 static struct usb_class_driver usbbcm_class = {
 177     .name =             "usbbcm",
 178     .fops =             &usbbcm_fops,
 179     .minor_base =   BCM_USB_MINOR_BASE,
 180 };
 181
 182 static int
 183 usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
 184 {
 185         struct usb_device *udev = interface_to_usbdev (intf);
 186         int retval;
 187         PMINI_ADAPTER psAdapter;
 188         PS_INTERFACE_ADAPTER psIntfAdapter;
 189         struct net_device *ndev;
 190
 191         ndev = alloc_etherdev(sizeof(MINI_ADAPTER));
 192         if(ndev == NULL) {
 193                 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
 194                 return -ENOMEM;
 195         }
 196
 197         SET_NETDEV_DEV(ndev, &intf->dev);
 198
 199         psAdapter = netdev_priv(ndev);
 200         psAdapter->dev = ndev;
 201
 202     /* Init default driver debug state */
 203
 204         psAdapter->stDebugState.debug_level = debug_level;
 205         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
 206
 207     /* Technically, one can start using BCM_DEBUG_PRINT after this point.
 208          * However, realize that by default the Type/Subtype bitmaps are all zero now;
 209          * so no prints will actually appear until the TestApp turns on debug paths via
 210          * the ioctl(); so practically speaking, in early init, no logging happens.
 211          *
 212          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
 213          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
 214          * during early init.
 215          * Further, we turn this OFF once init_module() completes.
 216          */
 217
 218     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
 219         BCM_SHOW_DEBUG_BITMAP(psAdapter);
 220
 221         retval = InitAdapter(psAdapter);
 222         if(retval)
 223         {
 224                 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
 225                 AdapterFree(psAdapter);
 226                 return retval;
 227         }
 228
 229         /* Allocate interface adapter structure */
 230         psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
 231         if (psIntfAdapter == NULL)
 232         {
 233                 dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
 234                 AdapterFree (psAdapter);
 235                 return -ENOMEM;
 236         }
 237
 238         psAdapter->pvInterfaceAdapter = psIntfAdapter;
 239         psIntfAdapter->psAdapter = psAdapter;
 240
 241         /* Store usb interface in Interface Adapter */
 242         psIntfAdapter->interface = intf;
 243         usb_set_intfdata(intf, psIntfAdapter);
 244
 245         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 246         retval = InterfaceAdapterInit(psIntfAdapter);
 247         if(retval)
 248         {
 249                 /* If the Firmware/Cfg File is not present
 250                  * then return success, let the application
 251                  * download the files.
 252                  */
 253                 if(-ENOENT == retval){
 254                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "File Not Found, Use App to Download\n");
 255                         return STATUS_SUCCESS;
 256                 }
 257                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapterInit Failed \n");
 258                 usb_set_intfdata(intf, NULL);
 259                 udev = interface_to_usbdev (intf);
 260                 usb_put_dev(udev);
 261                 if(psAdapter->bUsbClassDriverRegistered == TRUE)
 262                                 usb_deregister_dev (intf, &usbbcm_class);
 263                 InterfaceAdapterFree(psIntfAdapter);
 264                 return retval ;
 265         }
 266         if(psAdapter->chip_id > T3)
 267         {
 268                 uint32_t uiNackZeroLengthInt=4;
 269                 if(wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt)))
 270                 {
 271                         return -EIO;;
 272                 }
 273         }
 274
 275         /* Check whether the USB-Device Supports remote Wake-Up */
 276         if(USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes)
 277         {
 278                 /* If Suspend then only support dynamic suspend */
 279                 if(psAdapter->bDoSuspend)
 280                 {
 281 #ifdef CONFIG_PM
 282                         udev->autosuspend_delay = 0;
 283                         intf->needs_remote_wakeup = 1;
 284 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 285                         udev->autosuspend_disabled = 0;
 286 #else
 287                         usb_enable_autosuspend(udev);
 288 #endif
 289                         device_init_wakeup(&intf->dev,1);
 290 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 291                         usb_autopm_disable(intf);
 292 #endif
 293                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 294                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
 295 #endif
 296                 }
 297                 else
 298                 {
 299                         intf->needs_remote_wakeup = 0;
 300 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 301                         udev->autosuspend_disabled = 1;
 302 #else
 303                         usb_disable_autosuspend(udev);
 304 #endif
 305                 }
 306         }
 307
 308     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 309     return retval;
 310 }
 311
 312 static void usbbcm_disconnect (struct usb_interface *intf)
 313 {
 314         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 315         PMINI_ADAPTER psAdapter = NULL;
 316         struct usb_device       *udev = NULL;
 317     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 318
 319         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usb disconnected");
 320         if(intf == NULL)
 321         {
 322                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf pointer is NULL");
 323                 return;
 324         }
 325         psIntfAdapter = usb_get_intfdata(intf);
 326         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 327         if(psIntfAdapter == NULL)
 328         {
 329                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapter pointer is NULL");
 330                 return;
 331         }
 332         psAdapter = psIntfAdapter->psAdapter;
 333         if(psAdapter->bDoSuspend)
 334                 intf->needs_remote_wakeup = 0;
 335
 336         psAdapter->device_removed = TRUE ;
 337         usb_set_intfdata(intf, NULL);
 338         InterfaceAdapterFree(psIntfAdapter);
 339         udev = interface_to_usbdev (intf);
 340         usb_put_dev(udev);
 341         usb_deregister_dev (intf, &usbbcm_class);
 342 }
 343
 344
 345 static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 346 {
 347         int i = 0;
 348         for(i = 0; i < MAXIMUM_USB_TCB; i++)
 349         {
 350                 if((psIntfAdapter->asUsbTcb[i].urb =
 351                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 352                 {
 353                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
 354                         return -ENOMEM;
 355                 }
 356         }
 357
 358         for(i = 0; i < MAXIMUM_USB_RCB; i++)
 359         {
 360                 if ((psIntfAdapter->asUsbRcb[i].urb =
 361                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 362                 {
 363                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
 364                         return -ENOMEM;
 365                 }
 366                 if((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 367                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL)
 368                 {
 369                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
 370                         return -ENOMEM;
 371                 }
 372                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 373         }
 374         return 0;
 375 }
 376
 377
 378
 379 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 380 {
 381         INT value = 0;
 382         UINT status = STATUS_SUCCESS;
 383
 384         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 385         if(status != STATUS_SUCCESS)
 386         {
 387                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "InitCardAndDownloadFirmware failed.\n");
 388                 return status;
 389         }
 390         if(TRUE == psIntfAdapter->psAdapter->fw_download_done)
 391         {
 392
 393                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Sending first interrupt URB down......");
 394                 if(StartInterruptUrb(psIntfAdapter))
 395                 {
 396                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
 397                 }
 398                 //now register the cntrl interface.
 399                 //after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 400
 401                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 402                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 403                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 404
 405                 if(value == 0)
 406                 {
 407                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Mailbox Interrupt has not reached to Driver..");
 408                 }
 409                 else
 410                 {
 411                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Got the mailbox interrupt ...Registering control interface...\n ");
 412                 }
 413                 if(register_control_device_interface(psIntfAdapter->psAdapter) < 0)
 414                 {
 415                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Register Control Device failed...");
 416                         return -EIO;
 417                 }
 418         }
 419         return 0;
 420 }
 421
 422 #if 0
 423 static void     print_usb_interface_desc(struct usb_interface_descriptor *usb_intf_desc)
 424 {
 425                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** INTERFACE DESCRIPTOR *********************");
 426                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength: %x", usb_intf_desc->bLength);
 427                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType: %x", usb_intf_desc->bDescriptorType);
 428                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceNumber: %x", usb_intf_desc->bInterfaceNumber);
 429                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bAlternateSetting: %x", usb_intf_desc->bAlternateSetting);
 430                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bNumEndpoints: %x", usb_intf_desc->bNumEndpoints);
 431                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceClass: %x", usb_intf_desc->bInterfaceClass);
 432                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceSubClass: %x", usb_intf_desc->bInterfaceSubClass);
 433                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterfaceProtocol: %x", usb_intf_desc->bInterfaceProtocol);
 434                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "iInterface :%x\n",usb_intf_desc->iInterface);
 435 }
 436 static void     print_usb_endpoint_descriptor(struct usb_endpoint_descriptor *usb_ep_desc)
 437 {
 438                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "**************** ENDPOINT DESCRIPTOR *********************");
 439                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bLength  :%x ", usb_ep_desc->bLength);
 440                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bDescriptorType  :%x ", usb_ep_desc->bDescriptorType);
 441                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bEndpointAddress  :%x ", usb_ep_desc->bEndpointAddress);
 442                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bmAttributes  :%x ", usb_ep_desc->bmAttributes);
 443                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "wMaxPacketSize  :%x ",usb_ep_desc->wMaxPacketSize);
 444                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "bInterval  :%x ",usb_ep_desc->bInterval);
 445 }
 446
 447 #endif
 448
 449 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 450 {
 451         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 452 }
 453
 454 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 455 {
 456         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 457 }
 458
 459 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 460 {
 461         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 462 }
 463
 464 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 465 {
 466         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 467 }
 468
 469 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 470 {
 471         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 472                 USB_ENDPOINT_XFER_BULK);
 473 }
 474
 475 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 476 {
 477         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 478                 USB_ENDPOINT_XFER_CONTROL);
 479 }
 480
 481 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 482 {
 483         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 484                 USB_ENDPOINT_XFER_INT);
 485 }
 486
 487 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 488 {
 489         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 490                 USB_ENDPOINT_XFER_ISOC);
 491 }
 492
 493 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 494 {
 495         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 496 }
 497
 498 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 499 {
 500         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 501 }
 502
 503 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 504 {
 505         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 506 }
 507
 508 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 509 {
 510         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 511 }
 512
 513 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 514 {
 515         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 516 }
 517
 518 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 519 {
 520         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 521 }
 522
 523 INT InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 524 {
 525         struct usb_host_interface *iface_desc;
 526         struct usb_endpoint_descriptor *endpoint;
 527         size_t buffer_size;
 528         ULONG value;
 529         INT retval = 0;
 530         INT usedIntOutForBulkTransfer = 0 ;
 531         BOOLEAN bBcm16 = FALSE;
 532         UINT uiData = 0;
 533
 534         /* Store the usb dev into interface adapter */
 535         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(
 536                                                                 psIntfAdapter->interface));
 537
 538         if((psIntfAdapter->udev->speed == USB_SPEED_HIGH))
 539         {
 540                 psIntfAdapter->bHighSpeedDevice = TRUE ;
 541                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO HIGH_SPEED ");
 542         }
 543         else
 544         {
 545                 psIntfAdapter->bHighSpeedDevice = FALSE ;
 546                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO FULL_SPEED ");
 547         }
 548
 549         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 550         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 551
 552         if(rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0)
 553         {
 554                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 555                 return STATUS_FAILURE;
 556         }
 557     if(0xbece3200==(psIntfAdapter->psAdapter->chip_id&~(0xF0)))
 558         {
 559                 psIntfAdapter->psAdapter->chip_id=(psIntfAdapter->psAdapter->chip_id&~(0xF0));
 560         }
 561
 562         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "First RDM Chip ID 0x%lx\n", psIntfAdapter->psAdapter->chip_id);
 563
 564     iface_desc = psIntfAdapter->interface->cur_altsetting;
 565         //print_usb_interface_desc(&(iface_desc->desc));
 566
 567         if(psIntfAdapter->psAdapter->chip_id == T3B)
 568         {
 569
 570                 //
 571                 //T3B device will have EEPROM,check if EEPROM is proper and BCM16 can be done or not.
 572                 //
 573                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter,&uiData,0x0,4);
 574                 if(uiData == BECM)
 575                 {
 576                         bBcm16 = TRUE;
 577                 }
 578                 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);
 579                 if(bBcm16 == TRUE)
 580                 {
 581                         //selecting alternate setting one as a default setting for High Speed  modem.
 582                         if(psIntfAdapter->bHighSpeedDevice)
 583                                 retval= usb_set_interface(psIntfAdapter->udev,DEFAULT_SETTING_0,ALTERNATE_SETTING_1);
 584                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
 585                         if(retval || (psIntfAdapter->bHighSpeedDevice == FALSE))
 586                         {
 587                                 usedIntOutForBulkTransfer = EP2 ;
 588                                 endpoint = &iface_desc->endpoint[EP2].desc;
 589                                 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");
 590                                 /*
 591                                 If Modem is high speed device EP2 should be INT OUT End point
 592                                 If Mode is FS then EP2 should be bulk end point
 593                                 */
 594                                 if(((psIntfAdapter->bHighSpeedDevice ==TRUE ) && (bcm_usb_endpoint_is_int_out(endpoint)== FALSE))
 595                                         ||((psIntfAdapter->bHighSpeedDevice == FALSE)&& (bcm_usb_endpoint_is_bulk_out(endpoint)== FALSE)))
 596                                 {
 597                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Configuring the EEPROM ");
 598                                         //change the EP2, EP4 to INT OUT end point
 599                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 600
 601                                         /*
 602                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 603                                         re-enumerate the device
 604                                         */
 605                                         retval = usb_reset_device(psIntfAdapter->udev);
 606                                         if(retval)
 607                                         {
 608                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 609                                                 return retval ;
 610                                         }
 611
 612                                 }
 613                                 if((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint))
 614                                 {
 615                                         // Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail.
 616                                         UINT _uiData = ntohl(EP2_CFG_INT);
 617                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Reverting Bulk to INT as it is FS MODE");
 618                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter,(PUCHAR)&_uiData,0x136,4,TRUE);
 619                                 }
 620                         }
 621                         else
 622                         {
 623                                 usedIntOutForBulkTransfer = EP4 ;
 624                                 endpoint = &iface_desc->endpoint[EP4].desc;
 625                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
 626                                 if( bcm_usb_endpoint_is_int_out(endpoint) == FALSE)
 627                                 {
 628                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
 629                                         //change the EP2, EP4 to INT OUT end point and use EP4 in altsetting
 630                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 631
 632                                         /*
 633                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 634                                         re-enumerate the device
 635                                         */
 636                                         retval = usb_reset_device(psIntfAdapter->udev);
 637                                         if(retval)
 638                                         {
 639                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 640                                                 return retval ;
 641                                         }
 642
 643                                 }
 644                         }
 645                 }
 646         }
 647
 648         iface_desc = psIntfAdapter->interface->cur_altsetting;
 649         //print_usb_interface_desc(&(iface_desc->desc));
 650         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Current number of endpoints :%x \n", iface_desc->desc.bNumEndpoints);
 651     for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value)
 652         {
 653         endpoint = &iface_desc->endpoint[value].desc;
 654                 //print_usb_endpoint_descriptor(endpoint);
 655
 656         if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint))
 657         {
 658             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 659             psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 660             psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
 661                                                                 endpoint->bEndpointAddress;
 662                 psIntfAdapter->sBulkIn.bulk_in_pipe =
 663                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 664                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 665         }
 666
 667         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint))
 668         {
 669
 670                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 671                                                                                 endpoint->bEndpointAddress;
 672                 psIntfAdapter->sBulkOut.bulk_out_pipe =
 673                         usb_sndbulkpipe(psIntfAdapter->udev,
 674                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 675         }
 676
 677         if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint))
 678         {
 679             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 680             psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 681             psIntfAdapter->sIntrIn.int_in_endpointAddr =
 682                                                                 endpoint->bEndpointAddress;
 683             psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 684             psIntfAdapter->sIntrIn.int_in_buffer =
 685                                                 kmalloc(buffer_size, GFP_KERNEL);
 686             if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 687                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_in_buffer");
 688                 return -EINVAL;
 689             }
 690                         //psIntfAdapter->sIntrIn.int_in_pipe =
 691         }
 692
 693         if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint))
 694         {
 695
 696                         if( !psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 697                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer))
 698                         {
 699                                 //use first intout end point as a bulk out end point
 700                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 701                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 702                                 //printk("\nINT OUT Endpoing buffer size :%x endpoint :%x\n", buffer_size, value +1);
 703                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 704                                                                                 endpoint->bEndpointAddress;
 705                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 706                                 usb_sndintpipe(psIntfAdapter->udev,
 707                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 708                         psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 709
 710                         }
 711                         else if(value == EP6)
 712                         {
 713                     buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 714                     psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 715                     psIntfAdapter->sIntrOut.int_out_endpointAddr =
 716                                                                                 endpoint->bEndpointAddress;
 717                     psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 718                     psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size,
 719                                                                                                                 GFP_KERNEL);
 720                         if (!psIntfAdapter->sIntrOut.int_out_buffer)
 721                                         {
 722                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_out_buffer");
 723                         return -EINVAL;
 724             }
 725         }
 726     }
 727         }
 728     usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 729     retval = usb_register_dev(psIntfAdapter->interface, &usbbcm_class);
 730         if(retval)
 731         {
 732                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb register dev failed = %d", retval);
 733                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = FALSE;
 734                 return retval;
 735         }
 736         else
 737         {
 738                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = TRUE;
 739                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb dev registered");
 740         }
 741
 742         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 743         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 744                                 InterfaceFileReadbackFromChip;
 745         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 746
 747         retval = CreateInterruptUrb(psIntfAdapter);
 748
 749         if(retval)
 750         {
 751                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
 752                 return retval;
 753         }
 754
 755         retval = AllocUsbCb(psIntfAdapter);
 756         if(retval)
 757         {
 758                 return retval;
 759         }
 760
 761
 762         retval = device_run(psIntfAdapter);
 763         if(retval)
 764         {
 765                 return retval;
 766         }
 767
 768
 769         return 0;
 770 }
 771
 772 static int InterfaceSuspend (struct usb_interface *intf, pm_message_t message)
 773 {
 774         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 775         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=================================\n");
 776         //Bcm_kill_all_URBs(psIntfAdapter);
 777         psIntfAdapter->bSuspended = TRUE;
 778
 779         if(TRUE == psIntfAdapter->bPreparingForBusSuspend)
 780         {
 781                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 782
 783                 if(psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE)
 784                 {
 785                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 786                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
 787                 }
 788                 else
 789                 {
 790                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 791                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
 792                 }
 793         }
 794         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 795
 796         //Signaling the control pkt path
 797         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 798
 799         return 0;
 800 }
 801
 802 static 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
 817 static struct usb_driver usbbcm_driver = {
 818     .name = "usbbcm",
 819     .probe = usbbcm_device_probe,
 820     .disconnect = usbbcm_disconnect,
 821     .suspend = InterfaceSuspend,
 822     .resume = InterfaceResume,
 823     .id_table = InterfaceUsbtable,
 824     .supports_autosuspend = 1,
 825 };
 826
 827
 828 /*
 829 Function:                               InterfaceInitialize
 830
 831 Description:                    This is the hardware specific initialization Function.
 832                                                 Registering the driver with NDIS , other device specific NDIS
 833                                                 and hardware initializations are done here.
 834
 835 Input parameters:               IN PMINI_ADAPTER Adapter   - Miniport Adapter Context
 836
 837
 838 Return:                                 BCM_STATUS_SUCCESS - If Initialization of the
 839                                                 HW Interface was successful.
 840                                                 Other           - If an error occured.
 841 */
 842 INT InterfaceInitialize(void)
 843 {
 844 //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Registering Usb driver!!");
 845         return usb_register(&usbbcm_driver);
 846 }
 847
 848 INT InterfaceExit(void)
 849 {
 850         //PMINI_ADAPTER psAdapter = NULL;
 851         int status = 0;
 852
 853         //BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Deregistering Usb driver!!");
 854         usb_deregister(&usbbcm_driver);
 855         return status;
 856 }