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         /* Reserve one extra queue for the bit-bucket */
 192         ndev = alloc_etherdev_mq(sizeof(MINI_ADAPTER), NO_OF_QUEUES+1);
 193         if(ndev == NULL) {
 194                 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
 195                 return -ENOMEM;
 196         }
 197
 198         SET_NETDEV_DEV(ndev, &intf->dev);
 199
 200         psAdapter = netdev_priv(ndev);
 201         psAdapter->dev = ndev;
 202
 203     /* Init default driver debug state */
 204
 205         psAdapter->stDebugState.debug_level = debug_level;
 206         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
 207
 208     /* Technically, one can start using BCM_DEBUG_PRINT after this point.
 209          * However, realize that by default the Type/Subtype bitmaps are all zero now;
 210          * so no prints will actually appear until the TestApp turns on debug paths via
 211          * the ioctl(); so practically speaking, in early init, no logging happens.
 212          *
 213          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
 214          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
 215          * during early init.
 216          * Further, we turn this OFF once init_module() completes.
 217          */
 218
 219     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
 220         BCM_SHOW_DEBUG_BITMAP(psAdapter);
 221
 222         retval = InitAdapter(psAdapter);
 223         if(retval)
 224         {
 225                 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
 226                 AdapterFree(psAdapter);
 227                 return retval;
 228         }
 229
 230         /* Allocate interface adapter structure */
 231         psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
 232         if (psIntfAdapter == NULL)
 233         {
 234                 dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
 235                 AdapterFree (psAdapter);
 236                 return -ENOMEM;
 237         }
 238
 239         psAdapter->pvInterfaceAdapter = psIntfAdapter;
 240         psIntfAdapter->psAdapter = psAdapter;
 241
 242         /* Store usb interface in Interface Adapter */
 243         psIntfAdapter->interface = intf;
 244         usb_set_intfdata(intf, psIntfAdapter);
 245
 246         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 247         retval = InterfaceAdapterInit(psIntfAdapter);
 248         if(retval)
 249         {
 250                 /* If the Firmware/Cfg File is not present
 251                  * then return success, let the application
 252                  * download the files.
 253                  */
 254                 if(-ENOENT == retval){
 255                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "File Not Found, Use App to Download\n");
 256                         return STATUS_SUCCESS;
 257                 }
 258                 BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapterInit Failed \n");
 259                 usb_set_intfdata(intf, NULL);
 260                 udev = interface_to_usbdev (intf);
 261                 usb_put_dev(udev);
 262                 if(psAdapter->bUsbClassDriverRegistered == TRUE)
 263                                 usb_deregister_dev (intf, &usbbcm_class);
 264                 InterfaceAdapterFree(psIntfAdapter);
 265                 return retval ;
 266         }
 267         if(psAdapter->chip_id > T3)
 268         {
 269                 uint32_t uiNackZeroLengthInt=4;
 270                 if(wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt)))
 271                 {
 272                         return -EIO;;
 273                 }
 274         }
 275
 276         /* Check whether the USB-Device Supports remote Wake-Up */
 277         if(USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes)
 278         {
 279                 /* If Suspend then only support dynamic suspend */
 280                 if(psAdapter->bDoSuspend)
 281                 {
 282 #ifdef CONFIG_PM
 283                         udev->autosuspend_delay = 0;
 284                         intf->needs_remote_wakeup = 1;
 285 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 286                         udev->autosuspend_disabled = 0;
 287 #else
 288                         usb_enable_autosuspend(udev);
 289 #endif
 290                         device_init_wakeup(&intf->dev,1);
 291 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 292                         usb_autopm_disable(intf);
 293 #endif
 294                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 295                         BCM_DEBUG_PRINT(psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
 296 #endif
 297                 }
 298                 else
 299                 {
 300                         intf->needs_remote_wakeup = 0;
 301 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 302                         udev->autosuspend_disabled = 1;
 303 #else
 304                         usb_disable_autosuspend(udev);
 305 #endif
 306                 }
 307         }
 308
 309     psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 310     return retval;
 311 }
 312
 313 static void usbbcm_disconnect (struct usb_interface *intf)
 314 {
 315         PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
 316         PMINI_ADAPTER psAdapter = NULL;
 317         struct usb_device       *udev = NULL;
 318     PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
 319
 320         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Usb disconnected");
 321         if(intf == NULL)
 322         {
 323                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "intf pointer is NULL");
 324                 return;
 325         }
 326         psIntfAdapter = usb_get_intfdata(intf);
 327         BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p",psIntfAdapter);
 328         if(psIntfAdapter == NULL)
 329         {
 330                 BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapter pointer is NULL");
 331                 return;
 332         }
 333         psAdapter = psIntfAdapter->psAdapter;
 334         if(psAdapter->bDoSuspend)
 335                 intf->needs_remote_wakeup = 0;
 336
 337         psAdapter->device_removed = TRUE ;
 338         usb_set_intfdata(intf, NULL);
 339         InterfaceAdapterFree(psIntfAdapter);
 340         udev = interface_to_usbdev (intf);
 341         usb_put_dev(udev);
 342         usb_deregister_dev (intf, &usbbcm_class);
 343 }
 344
 345
 346 static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 347 {
 348         int i = 0;
 349         for(i = 0; i < MAXIMUM_USB_TCB; i++)
 350         {
 351                 if((psIntfAdapter->asUsbTcb[i].urb =
 352                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 353                 {
 354                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
 355                         return -ENOMEM;
 356                 }
 357         }
 358
 359         for(i = 0; i < MAXIMUM_USB_RCB; i++)
 360         {
 361                 if ((psIntfAdapter->asUsbRcb[i].urb =
 362                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL)
 363                 {
 364                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
 365                         return -ENOMEM;
 366                 }
 367                 if((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 368                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL)
 369                 {
 370                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
 371                         return -ENOMEM;
 372                 }
 373                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 374         }
 375         return 0;
 376 }
 377
 378
 379
 380 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 381 {
 382         INT value = 0;
 383         UINT status = STATUS_SUCCESS;
 384
 385         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 386         if(status != STATUS_SUCCESS)
 387         {
 388                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "InitCardAndDownloadFirmware failed.\n");
 389                 return status;
 390         }
 391         if(TRUE == psIntfAdapter->psAdapter->fw_download_done)
 392         {
 393
 394                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Sending first interrupt URB down......");
 395                 if(StartInterruptUrb(psIntfAdapter))
 396                 {
 397                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
 398                 }
 399                 //now register the cntrl interface.
 400                 //after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 401
 402                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 403                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 404                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 405
 406                 if(value == 0)
 407                 {
 408                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Mailbox Interrupt has not reached to Driver..");
 409                 }
 410                 else
 411                 {
 412                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Got the mailbox interrupt ...Registering control interface...\n ");
 413                 }
 414                 if(register_control_device_interface(psIntfAdapter->psAdapter) < 0)
 415                 {
 416                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Register Control Device failed...");
 417                         return -EIO;
 418                 }
 419         }
 420         return 0;
 421 }
 422
 423
 424 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 425 {
 426         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 427 }
 428
 429 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 430 {
 431         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 432 }
 433
 434 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 435 {
 436         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 437 }
 438
 439 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 440 {
 441         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 442 }
 443
 444 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 445 {
 446         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 447                 USB_ENDPOINT_XFER_BULK);
 448 }
 449
 450 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 451 {
 452         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 453                 USB_ENDPOINT_XFER_CONTROL);
 454 }
 455
 456 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 457 {
 458         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 459                 USB_ENDPOINT_XFER_INT);
 460 }
 461
 462 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 463 {
 464         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 465                 USB_ENDPOINT_XFER_ISOC);
 466 }
 467
 468 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 469 {
 470         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 471 }
 472
 473 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 474 {
 475         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 476 }
 477
 478 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 479 {
 480         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 481 }
 482
 483 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 484 {
 485         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 486 }
 487
 488 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 489 {
 490         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 491 }
 492
 493 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 494 {
 495         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 496 }
 497
 498 INT InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 499 {
 500         struct usb_host_interface *iface_desc;
 501         struct usb_endpoint_descriptor *endpoint;
 502         size_t buffer_size;
 503         ULONG value;
 504         INT retval = 0;
 505         INT usedIntOutForBulkTransfer = 0 ;
 506         BOOLEAN bBcm16 = FALSE;
 507         UINT uiData = 0;
 508
 509         /* Store the usb dev into interface adapter */
 510         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(
 511                                                                 psIntfAdapter->interface));
 512
 513         if((psIntfAdapter->udev->speed == USB_SPEED_HIGH))
 514         {
 515                 psIntfAdapter->bHighSpeedDevice = TRUE ;
 516                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO HIGH_SPEED ");
 517         }
 518         else
 519         {
 520                 psIntfAdapter->bHighSpeedDevice = FALSE ;
 521                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "MODEM IS CONFIGURED TO FULL_SPEED ");
 522         }
 523
 524         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 525         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 526
 527         if(rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0)
 528         {
 529                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 530                 return STATUS_FAILURE;
 531         }
 532     if(0xbece3200==(psIntfAdapter->psAdapter->chip_id&~(0xF0)))
 533         {
 534                 psIntfAdapter->psAdapter->chip_id=(psIntfAdapter->psAdapter->chip_id&~(0xF0));
 535         }
 536
 537         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "First RDM Chip ID 0x%lx\n", psIntfAdapter->psAdapter->chip_id);
 538
 539     iface_desc = psIntfAdapter->interface->cur_altsetting;
 540         //print_usb_interface_desc(&(iface_desc->desc));
 541
 542         if(psIntfAdapter->psAdapter->chip_id == T3B)
 543         {
 544
 545                 //
 546                 //T3B device will have EEPROM,check if EEPROM is proper and BCM16 can be done or not.
 547                 //
 548                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter,&uiData,0x0,4);
 549                 if(uiData == BECM)
 550                 {
 551                         bBcm16 = TRUE;
 552                 }
 553                 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);
 554                 if(bBcm16 == TRUE)
 555                 {
 556                         //selecting alternate setting one as a default setting for High Speed  modem.
 557                         if(psIntfAdapter->bHighSpeedDevice)
 558                                 retval= usb_set_interface(psIntfAdapter->udev,DEFAULT_SETTING_0,ALTERNATE_SETTING_1);
 559                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
 560                         if(retval || (psIntfAdapter->bHighSpeedDevice == FALSE))
 561                         {
 562                                 usedIntOutForBulkTransfer = EP2 ;
 563                                 endpoint = &iface_desc->endpoint[EP2].desc;
 564                                 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");
 565                                 /*
 566                                 If Modem is high speed device EP2 should be INT OUT End point
 567                                 If Mode is FS then EP2 should be bulk end point
 568                                 */
 569                                 if(((psIntfAdapter->bHighSpeedDevice ==TRUE ) && (bcm_usb_endpoint_is_int_out(endpoint)== FALSE))
 570                                         ||((psIntfAdapter->bHighSpeedDevice == FALSE)&& (bcm_usb_endpoint_is_bulk_out(endpoint)== FALSE)))
 571                                 {
 572                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Configuring the EEPROM ");
 573                                         //change the EP2, EP4 to INT OUT end point
 574                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 575
 576                                         /*
 577                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 578                                         re-enumerate the device
 579                                         */
 580                                         retval = usb_reset_device(psIntfAdapter->udev);
 581                                         if(retval)
 582                                         {
 583                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 584                                                 return retval ;
 585                                         }
 586
 587                                 }
 588                                 if((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint))
 589                                 {
 590                                         // Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail.
 591                                         UINT _uiData = ntohl(EP2_CFG_INT);
 592                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,"Reverting Bulk to INT as it is FS MODE");
 593                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter,(PUCHAR)&_uiData,0x136,4,TRUE);
 594                                 }
 595                         }
 596                         else
 597                         {
 598                                 usedIntOutForBulkTransfer = EP4 ;
 599                                 endpoint = &iface_desc->endpoint[EP4].desc;
 600                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
 601                                 if( bcm_usb_endpoint_is_int_out(endpoint) == FALSE)
 602                                 {
 603                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
 604                                         //change the EP2, EP4 to INT OUT end point and use EP4 in altsetting
 605                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 606
 607                                         /*
 608                                         It resets the device and if any thing gets changed in USB descriptor it will show fail and
 609                                         re-enumerate the device
 610                                         */
 611                                         retval = usb_reset_device(psIntfAdapter->udev);
 612                                         if(retval)
 613                                         {
 614                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 615                                                 return retval ;
 616                                         }
 617
 618                                 }
 619                         }
 620                 }
 621         }
 622
 623         iface_desc = psIntfAdapter->interface->cur_altsetting;
 624         //print_usb_interface_desc(&(iface_desc->desc));
 625         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Current number of endpoints :%x \n", iface_desc->desc.bNumEndpoints);
 626     for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value)
 627         {
 628         endpoint = &iface_desc->endpoint[value].desc;
 629                 //print_usb_endpoint_descriptor(endpoint);
 630
 631         if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint))
 632         {
 633             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 634             psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 635             psIntfAdapter->sBulkIn.bulk_in_endpointAddr =
 636                                                                 endpoint->bEndpointAddress;
 637                 psIntfAdapter->sBulkIn.bulk_in_pipe =
 638                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 639                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 640         }
 641
 642         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint))
 643         {
 644
 645                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 646                                                                                 endpoint->bEndpointAddress;
 647                 psIntfAdapter->sBulkOut.bulk_out_pipe =
 648                         usb_sndbulkpipe(psIntfAdapter->udev,
 649                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 650         }
 651
 652         if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint))
 653         {
 654             buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 655             psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 656             psIntfAdapter->sIntrIn.int_in_endpointAddr =
 657                                                                 endpoint->bEndpointAddress;
 658             psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 659             psIntfAdapter->sIntrIn.int_in_buffer =
 660                                                 kmalloc(buffer_size, GFP_KERNEL);
 661             if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 662                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_in_buffer");
 663                 return -EINVAL;
 664             }
 665                         //psIntfAdapter->sIntrIn.int_in_pipe =
 666         }
 667
 668         if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint))
 669         {
 670
 671                         if( !psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 672                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer))
 673                         {
 674                                 //use first intout end point as a bulk out end point
 675                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 676                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 677                                 //printk("\nINT OUT Endpoing buffer size :%x endpoint :%x\n", buffer_size, value +1);
 678                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr =
 679                                                                                 endpoint->bEndpointAddress;
 680                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 681                                 usb_sndintpipe(psIntfAdapter->udev,
 682                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 683                         psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 684
 685                         }
 686                         else if(value == EP6)
 687                         {
 688                     buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 689                     psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 690                     psIntfAdapter->sIntrOut.int_out_endpointAddr =
 691                                                                                 endpoint->bEndpointAddress;
 692                     psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 693                     psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size,
 694                                                                                                                 GFP_KERNEL);
 695                         if (!psIntfAdapter->sIntrOut.int_out_buffer)
 696                                         {
 697                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Could not allocate interrupt_out_buffer");
 698                         return -EINVAL;
 699             }
 700         }
 701     }
 702         }
 703     usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 704     retval = usb_register_dev(psIntfAdapter->interface, &usbbcm_class);
 705         if(retval)
 706         {
 707                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb register dev failed = %d", retval);
 708                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = FALSE;
 709                 return retval;
 710         }
 711         else
 712         {
 713                 psIntfAdapter->psAdapter->bUsbClassDriverRegistered = TRUE;
 714                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "usb dev registered");
 715         }
 716
 717         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 718         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 719                                 InterfaceFileReadbackFromChip;
 720         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 721
 722         retval = CreateInterruptUrb(psIntfAdapter);
 723
 724         if(retval)
 725         {
 726                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
 727                 return retval;
 728         }
 729
 730         retval = AllocUsbCb(psIntfAdapter);
 731         if(retval)
 732         {
 733                 return retval;
 734         }
 735
 736
 737         retval = device_run(psIntfAdapter);
 738         if(retval)
 739         {
 740                 return retval;
 741         }
 742
 743
 744         return 0;
 745 }
 746
 747 static int InterfaceSuspend (struct usb_interface *intf, pm_message_t message)
 748 {
 749         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 750         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "=================================\n");
 751         //Bcm_kill_all_URBs(psIntfAdapter);
 752         psIntfAdapter->bSuspended = TRUE;
 753
 754         if(TRUE == psIntfAdapter->bPreparingForBusSuspend)
 755         {
 756                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 757
 758                 if(psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE)
 759                 {
 760                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 761                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
 762                 }
 763                 else
 764                 {
 765                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 766                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
 767                 }
 768         }
 769         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 770
 771         //Signaling the control pkt path
 772         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 773
 774         return 0;
 775 }
 776
 777 static int InterfaceResume (struct usb_interface *intf)
 778 {
 779     PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 780         printk("=================================\n");
 781         mdelay(100);
 782 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 783         intf->pm_usage_cnt =1 ;
 784 #endif
 785         psIntfAdapter->bSuspended = FALSE;
 786
 787         StartInterruptUrb(psIntfAdapter);
 788         InterfaceRx(psIntfAdapter);
 789         return 0;
 790 }
 791
 792 static struct usb_driver usbbcm_driver = {
 793     .name = "usbbcm",
 794     .probe = usbbcm_device_probe,
 795     .disconnect = usbbcm_disconnect,
 796     .suspend = InterfaceSuspend,
 797     .resume = InterfaceResume,
 798     .id_table = InterfaceUsbtable,
 799     .supports_autosuspend = 1,
 800 };
 801
 802
 803 /*
 804 Function:                               InterfaceInitialize
 805
 806 Description:                    This is the hardware specific initialization Function.
 807                                                 Registering the driver with NDIS , other device specific NDIS
 808                                                 and hardware initializations are done here.
 809
 810 Input parameters:               IN PMINI_ADAPTER Adapter   - Miniport Adapter Context
 811
 812
 813 Return:                                 BCM_STATUS_SUCCESS - If Initialization of the
 814                                                 HW Interface was successful.
 815                                                 Other           - If an error occured.
 816 */
 817 INT InterfaceInitialize(void)
 818 {
 819 //      BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Registering Usb driver!!");
 820         return usb_register(&usbbcm_driver);
 821 }
 822
 823 INT InterfaceExit(void)
 824 {
 825         //PMINI_ADAPTER psAdapter = NULL;
 826         int status = 0;
 827
 828         //BCM_DEBUG_PRINT(Adapter,DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Deregistering Usb driver!!");
 829         usb_deregister(&usbbcm_driver);
 830         return status;
 831 }