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_T3, BCM_USB_PRODUCT_ID_SM250) },
   8         { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_226) },
   9         { USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) },
  10         { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_TU25) },
  11         { }
  12 };
  13 MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
  14
  15 static int debug = -1;
  16 module_param(debug, uint, 0600);
  17 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
  18
  19 static const u32 default_msg =
  20         NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
  21         | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR
  22         | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
  23
  24 static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER Adapter);
  25
  26 static void InterfaceAdapterFree(PS_INTERFACE_ADAPTER psIntfAdapter)
  27 {
  28         int i = 0;
  29
  30         /* Wake up the wait_queue... */
  31         if (psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
  32                 psIntfAdapter->psAdapter->DriverState = DRIVER_HALT;
  33                 wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event);
  34         }
  35         reset_card_proc(psIntfAdapter->psAdapter);
  36
  37         /*
  38          * worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms
  39          * to accertain the device is not being accessed. After this No RDM/WRM should be made.
  40          */
  41         while (psIntfAdapter->psAdapter->DeviceAccess) {
  42                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
  43                         "Device is being Accessed \n");
  44                 msleep(100);
  45         }
  46         /* Free interrupt URB */
  47         /* psIntfAdapter->psAdapter->device_removed = TRUE; */
  48         if (psIntfAdapter->psInterruptUrb) {
  49                 usb_free_urb(psIntfAdapter->psInterruptUrb);
  50         }
  51
  52         /* Free transmit URBs */
  53         for (i = 0; i < MAXIMUM_USB_TCB; i++) {
  54                 if (psIntfAdapter->asUsbTcb[i].urb  != NULL) {
  55                         usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
  56                         psIntfAdapter->asUsbTcb[i].urb = NULL;
  57                 }
  58         }
  59         /* Free receive URB and buffers */
  60         for (i = 0; i < MAXIMUM_USB_RCB; i++) {
  61                 if (psIntfAdapter->asUsbRcb[i].urb != NULL) {
  62                         kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
  63                         usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
  64                         psIntfAdapter->asUsbRcb[i].urb = NULL;
  65                 }
  66         }
  67         AdapterFree(psIntfAdapter->psAdapter);
  68 }
  69
  70 static void ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
  71 {
  72         unsigned long ulReg = 0;
  73
  74         /* Program EP2 MAX_PKT_SIZE */
  75         ulReg = ntohl(EP2_MPS_REG);
  76         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x128, 4, TRUE);
  77         ulReg = ntohl(EP2_MPS);
  78         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x12C, 4, TRUE);
  79
  80         ulReg = ntohl(EP2_CFG_REG);
  81         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x132, 4, TRUE);
  82         if (((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE) {
  83                 ulReg = ntohl(EP2_CFG_INT);
  84                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
  85         } else {
  86                 /* USE BULK EP as TX in FS mode. */
  87                 ulReg = ntohl(EP2_CFG_BULK);
  88                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
  89         }
  90
  91         /* Program EP4 MAX_PKT_SIZE. */
  92         ulReg = ntohl(EP4_MPS_REG);
  93         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x13C, 4, TRUE);
  94         ulReg = ntohl(EP4_MPS);
  95         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x140, 4, TRUE);
  96
  97         /* Program TX EP as interrupt(Alternate Setting) */
  98         if (rdmalt(Adapter, 0x0F0110F8, (PUINT)&ulReg, 4)) {
  99                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reading of Tx EP is failing");
 100                 return;
 101         }
 102         ulReg |= 0x6;
 103
 104         ulReg = ntohl(ulReg);
 105         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1CC, 4, TRUE);
 106
 107         ulReg = ntohl(EP4_CFG_REG);
 108         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C8, 4, TRUE);
 109         /* Program ISOCHRONOUS EP size to zero. */
 110         ulReg = ntohl(ISO_MPS_REG);
 111         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D2, 4, TRUE);
 112         ulReg = ntohl(ISO_MPS);
 113         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D6, 4, TRUE);
 114
 115         /*
 116          * Update EEPROM Version.
 117          * Read 4 bytes from 508 and modify 511 and 510.
 118          */
 119         ReadBeceemEEPROM(Adapter, 0x1FC, (PUINT)&ulReg);
 120         ulReg &= 0x0101FFFF;
 121         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1FC, 4, TRUE);
 122
 123         /* Update length field if required. Also make the string NULL terminated. */
 124
 125         ReadBeceemEEPROM(Adapter, 0xA8, (PUINT)&ulReg);
 126         if ((ulReg&0x00FF0000)>>16 > 0x30) {
 127                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 128                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0xA8, 4, TRUE);
 129         }
 130         ReadBeceemEEPROM(Adapter, 0x148, (PUINT)&ulReg);
 131         if ((ulReg&0x00FF0000)>>16 > 0x30) {
 132                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 133                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x148, 4, TRUE);
 134         }
 135         ulReg = 0;
 136         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x122, 4, TRUE);
 137         ulReg = 0;
 138         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C2, 4, TRUE);
 139 }
 140
 141 static int
 142 usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
 143 {
 144         struct usb_device *udev = interface_to_usbdev(intf);
 145         int retval;
 146         PMINI_ADAPTER psAdapter;
 147         PS_INTERFACE_ADAPTER psIntfAdapter;
 148         struct net_device *ndev;
 149
 150         /* Reserve one extra queue for the bit-bucket */
 151         ndev = alloc_etherdev_mq(sizeof(MINI_ADAPTER), NO_OF_QUEUES+1);
 152         if (ndev == NULL) {
 153                 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
 154                 return -ENOMEM;
 155         }
 156
 157         SET_NETDEV_DEV(ndev, &intf->dev);
 158
 159         psAdapter = netdev_priv(ndev);
 160         psAdapter->dev = ndev;
 161         psAdapter->msg_enable = netif_msg_init(debug, default_msg);
 162
 163         /* Init default driver debug state */
 164
 165         psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
 166         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
 167
 168         /*
 169          * Technically, one can start using BCM_DEBUG_PRINT after this point.
 170          * However, realize that by default the Type/Subtype bitmaps are all zero now;
 171          * so no prints will actually appear until the TestApp turns on debug paths via
 172          * the ioctl(); so practically speaking, in early init, no logging happens.
 173          *
 174          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
 175          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
 176          * during early init.
 177          * Further, we turn this OFF once init_module() completes.
 178          */
 179
 180         psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
 181         BCM_SHOW_DEBUG_BITMAP(psAdapter);
 182
 183         retval = InitAdapter(psAdapter);
 184         if (retval) {
 185                 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
 186                 AdapterFree(psAdapter);
 187                 return retval;
 188         }
 189
 190         /* Allocate interface adapter structure */
 191         psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
 192         if (psIntfAdapter == NULL) {
 193                 dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
 194                 AdapterFree(psAdapter);
 195                 return -ENOMEM;
 196         }
 197
 198         psAdapter->pvInterfaceAdapter = psIntfAdapter;
 199         psIntfAdapter->psAdapter = psAdapter;
 200
 201         /* Store usb interface in Interface Adapter */
 202         psIntfAdapter->interface = intf;
 203         usb_set_intfdata(intf, psIntfAdapter);
 204
 205         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "psIntfAdapter 0x%p", psIntfAdapter);
 206         retval = InterfaceAdapterInit(psIntfAdapter);
 207         if (retval) {
 208                 /* If the Firmware/Cfg File is not present
 209                  * then return success, let the application
 210                  * download the files.
 211                  */
 212                 if (-ENOENT == retval) {
 213                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "File Not Found, Use App to Download\n");
 214                         return STATUS_SUCCESS;
 215                 }
 216                 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "InterfaceAdapterInit Failed \n");
 217                 usb_set_intfdata(intf, NULL);
 218                 udev = interface_to_usbdev(intf);
 219                 usb_put_dev(udev);
 220                 InterfaceAdapterFree(psIntfAdapter);
 221                 return retval;
 222         }
 223         if (psAdapter->chip_id > T3) {
 224                 uint32_t uiNackZeroLengthInt = 4;
 225
 226                 if (wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt))) {
 227                         return -EIO;
 228                 }
 229         }
 230
 231         /* Check whether the USB-Device Supports remote Wake-Up */
 232         if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) {
 233                 /* If Suspend then only support dynamic suspend */
 234                 if (psAdapter->bDoSuspend) {
 235 #ifdef CONFIG_PM
 236                         udev->autosuspend_delay = 0;
 237                         intf->needs_remote_wakeup = 1;
 238 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 239                         udev->autosuspend_disabled = 0;
 240 #else
 241                         usb_enable_autosuspend(udev);
 242 #endif
 243                         device_init_wakeup(&intf->dev, 1);
 244 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 245                         usb_autopm_disable(intf);
 246 #endif
 247                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 248                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Enabling USB Auto-Suspend\n");
 249 #endif
 250                 } else {
 251                         intf->needs_remote_wakeup = 0;
 252 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
 253                         udev->autosuspend_disabled = 1;
 254 #else
 255                         usb_disable_autosuspend(udev);
 256 #endif
 257                 }
 258         }
 259
 260         psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 261         return retval;
 262 }
 263
 264 static void usbbcm_disconnect(struct usb_interface *intf)
 265 {
 266         PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
 267         PMINI_ADAPTER psAdapter;
 268         struct usb_device  *udev = interface_to_usbdev(intf);
 269
 270         if (psIntfAdapter == NULL)
 271                 return;
 272
 273         psAdapter = psIntfAdapter->psAdapter;
 274         netif_device_detach(psAdapter->dev);
 275
 276         if (psAdapter->bDoSuspend)
 277                 intf->needs_remote_wakeup = 0;
 278
 279         psAdapter->device_removed = TRUE ;
 280         usb_set_intfdata(intf, NULL);
 281         InterfaceAdapterFree(psIntfAdapter);
 282         usb_put_dev(udev);
 283 }
 284
 285 static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 286 {
 287         int i = 0;
 288
 289         for (i = 0; i < MAXIMUM_USB_TCB; i++) {
 290                 if ((psIntfAdapter->asUsbTcb[i].urb =
 291                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
 292                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Cant allocate Tx urb for index %d", i);
 293                         return -ENOMEM;
 294                 }
 295         }
 296
 297         for (i = 0; i < MAXIMUM_USB_RCB; i++) {
 298                 if ((psIntfAdapter->asUsbRcb[i].urb =
 299                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
 300                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx urb for index %d", i);
 301                         return -ENOMEM;
 302                 }
 303                 if ((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 304                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL) {
 305                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Cant allocate Rx buffer for index %d", i);
 306                         return -ENOMEM;
 307                 }
 308                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 309         }
 310         return 0;
 311 }
 312
 313 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 314 {
 315         int value = 0;
 316         UINT status = STATUS_SUCCESS;
 317
 318         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 319         if (status != STATUS_SUCCESS) {
 320                 pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n");
 321                 return status;
 322         }
 323         if (TRUE == psIntfAdapter->psAdapter->fw_download_done) {
 324                 if (StartInterruptUrb(psIntfAdapter)) {
 325                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Cannot send interrupt in URB");
 326                 }
 327
 328                 /*
 329                  * now register the cntrl interface.
 330                  * after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 331                  */
 332                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 333                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 334                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 335
 336                 if (value == 0)
 337                         pr_err(DRV_NAME ": Mailbox Interrupt has not reached to Driver..\n");
 338
 339                 if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) {
 340                         pr_err(DRV_NAME ": Register Control Device failed...\n");
 341                         return -EIO;
 342                 }
 343         }
 344         return 0;
 345 }
 346
 347
 348 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 349 {
 350         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 351 }
 352
 353 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 354 {
 355         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 356 }
 357
 358 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 359 {
 360         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 361 }
 362
 363 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 364 {
 365         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 366 }
 367
 368 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 369 {
 370         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 371                 USB_ENDPOINT_XFER_BULK);
 372 }
 373
 374 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 375 {
 376         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 377                 USB_ENDPOINT_XFER_CONTROL);
 378 }
 379
 380 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 381 {
 382         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 383                 USB_ENDPOINT_XFER_INT);
 384 }
 385
 386 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 387 {
 388         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 389                 USB_ENDPOINT_XFER_ISOC);
 390 }
 391
 392 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 393 {
 394         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 395 }
 396
 397 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 398 {
 399         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 400 }
 401
 402 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 403 {
 404         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 405 }
 406
 407 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 408 {
 409         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 410 }
 411
 412 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 413 {
 414         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 415 }
 416
 417 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 418 {
 419         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 420 }
 421
 422 static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 423 {
 424         struct usb_host_interface *iface_desc;
 425         struct usb_endpoint_descriptor *endpoint;
 426         size_t buffer_size;
 427         unsigned long value;
 428         int retval = 0;
 429         int usedIntOutForBulkTransfer = 0 ;
 430         BOOLEAN bBcm16 = FALSE;
 431         UINT uiData = 0;
 432
 433         /* Store the usb dev into interface adapter */
 434         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
 435
 436         psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
 437         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 438         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 439
 440         if (rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, (PUINT)&(psIntfAdapter->psAdapter->chip_id), sizeof(UINT)) < 0) {
 441                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 442                 return STATUS_FAILURE;
 443         }
 444
 445         if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
 446                 psIntfAdapter->psAdapter->chip_id &= ~0xF0;
 447
 448         dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
 449                  psIntfAdapter->psAdapter->chip_id);
 450
 451         iface_desc = psIntfAdapter->interface->cur_altsetting;
 452
 453         if (psIntfAdapter->psAdapter->chip_id == T3B) {
 454                 /* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */
 455                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
 456                 if (uiData == BECM)
 457                         bBcm16 = TRUE;
 458
 459                 dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n",
 460                          psIntfAdapter->interface->num_altsetting);
 461
 462                 if (bBcm16 == TRUE) {
 463                         /* selecting alternate setting one as a default setting for High Speed  modem. */
 464                         if (psIntfAdapter->bHighSpeedDevice)
 465                                 retval= usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1);
 466                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "BCM16 is Applicable on this dongle");
 467                         if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
 468                                 usedIntOutForBulkTransfer = EP2 ;
 469                                 endpoint = &iface_desc->endpoint[EP2].desc;
 470                                 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");
 471                                 /*
 472                                  * If Modem is high speed device EP2 should be INT OUT End point
 473                                  * If Mode is FS then EP2 should be bulk end point
 474                                  */
 475                                 if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
 476                                         || ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
 477                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Configuring the EEPROM ");
 478                                         /* change the EP2, EP4 to INT OUT end point */
 479                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 480
 481                                         /*
 482                                          * It resets the device and if any thing gets changed
 483                                          *  in USB descriptor it will show fail and re-enumerate
 484                                          * the device
 485                                          */
 486                                         retval = usb_reset_device(psIntfAdapter->udev);
 487                                         if (retval) {
 488                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 489                                                 return retval ;
 490                                         }
 491
 492                                 }
 493                                 if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 494                                         /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
 495                                         UINT _uiData = ntohl(EP2_CFG_INT);
 496                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Reverting Bulk to INT as it is FS MODE");
 497                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
 498                                 }
 499                         } else {
 500                                 usedIntOutForBulkTransfer = EP4 ;
 501                                 endpoint = &iface_desc->endpoint[EP4].desc;
 502                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Choosing AltSetting as a default setting");
 503                                 if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
 504                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, " Dongle does not have BCM16 Fix");
 505                                         /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
 506                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 507
 508                                         /*
 509                                          * It resets the device and if any thing gets changed in
 510                                          *  USB descriptor it will show fail and re-enumerate the
 511                                          * device
 512                                          */
 513                                         retval = usb_reset_device(psIntfAdapter->udev);
 514                                         if (retval) {
 515                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "reset got failed. hence Re-enumerating the device \n");
 516                                                 return retval;
 517                                         }
 518
 519                                 }
 520                         }
 521                 }
 522         }
 523
 524         iface_desc = psIntfAdapter->interface->cur_altsetting;
 525
 526         for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
 527                 endpoint = &iface_desc->endpoint[value].desc;
 528
 529                 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
 530                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 531                         psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 532                         psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
 533                         psIntfAdapter->sBulkIn.bulk_in_pipe =
 534                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 535                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 536                 }
 537
 538                 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 539                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 540                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 541                                 usb_sndbulkpipe(psIntfAdapter->udev,
 542                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 543                 }
 544
 545                 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) {
 546                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 547                         psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 548                         psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress;
 549                         psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 550                         psIntfAdapter->sIntrIn.int_in_buffer =
 551                                                 kmalloc(buffer_size, GFP_KERNEL);
 552                         if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 553                                 dev_err(&psIntfAdapter->udev->dev,
 554                                         "could not allocate interrupt_in_buffer\n");
 555                                 return -EINVAL;
 556                         }
 557                 }
 558
 559                 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
 560                         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 561                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
 562                                 /* use first intout end point as a bulk out end point */
 563                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 564                                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 565                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 566                                 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
 567                                                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 568                                 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 569                         } else if (value == EP6) {
 570                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 571                                 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 572                                 psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
 573                                 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 574                                 psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size, GFP_KERNEL);
 575                                 if (!psIntfAdapter->sIntrOut.int_out_buffer) {
 576                                         dev_err(&psIntfAdapter->udev->dev,
 577                                                 "could not allocate interrupt_out_buffer\n");
 578                                         return -EINVAL;
 579                                 }
 580                         }
 581                 }
 582         }
 583
 584         usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 585
 586         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 587         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 588                                 InterfaceFileReadbackFromChip;
 589         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 590
 591         retval = CreateInterruptUrb(psIntfAdapter);
 592
 593         if (retval) {
 594                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Cannot create interrupt urb");
 595                 return retval;
 596         }
 597
 598         retval = AllocUsbCb(psIntfAdapter);
 599         if (retval) {
 600                 return retval;
 601         }
 602
 603         return device_run(psIntfAdapter);
 604 }
 605
 606 static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
 607 {
 608         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 609
 610         psIntfAdapter->bSuspended = TRUE;
 611
 612         if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
 613                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 614
 615                 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
 616                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 617                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Idle Mode..");
 618                 } else {
 619                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 620                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, "Host Entered in PMU Shutdown Mode..");
 621                 }
 622         }
 623         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 624
 625         /* Signaling the control pkt path */
 626         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 627
 628         return 0;
 629 }
 630
 631 static int InterfaceResume(struct usb_interface *intf)
 632 {
 633         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 634         printk("=================================\n");
 635         mdelay(100);
 636 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 32)
 637         intf->pm_usage_cnt =1 ;
 638 #endif
 639         psIntfAdapter->bSuspended = FALSE;
 640
 641         StartInterruptUrb(psIntfAdapter);
 642         InterfaceRx(psIntfAdapter);
 643         return 0;
 644 }
 645
 646 static struct usb_driver usbbcm_driver = {
 647         .name = "usbbcm",
 648         .probe = usbbcm_device_probe,
 649         .disconnect = usbbcm_disconnect,
 650         .suspend = InterfaceSuspend,
 651         .resume = InterfaceResume,
 652         .id_table = InterfaceUsbtable,
 653         .supports_autosuspend = 1,
 654 };
 655
 656 struct class *bcm_class;
 657
 658 static __init int bcm_init(void)
 659 {
 660         printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
 661         printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
 662
 663         bcm_class = class_create(THIS_MODULE, DRV_NAME);
 664         if (IS_ERR(bcm_class)) {
 665                 printk(KERN_ERR DRV_NAME ": could not create class\n");
 666                 return PTR_ERR(bcm_class);
 667         }
 668
 669         return usb_register(&usbbcm_driver);
 670 }
 671
 672 static __exit void bcm_exit(void)
 673 {
 674         class_destroy(bcm_class);
 675
 676         usb_deregister(&usbbcm_driver);
 677 }
 678
 679 module_init(bcm_init);
 680 module_exit(bcm_exit);
 681
 682 MODULE_DESCRIPTION(DRV_DESCRIPTION);
 683 MODULE_VERSION(DRV_VERSION);
 684 MODULE_LICENSE("GPL");