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         usb_free_urb(psIntfAdapter->psInterruptUrb);
  49
  50         /* Free transmit URBs */
  51         for (i = 0; i < MAXIMUM_USB_TCB; i++) {
  52                 if (psIntfAdapter->asUsbTcb[i].urb  != NULL) {
  53                         usb_free_urb(psIntfAdapter->asUsbTcb[i].urb);
  54                         psIntfAdapter->asUsbTcb[i].urb = NULL;
  55                 }
  56         }
  57         /* Free receive URB and buffers */
  58         for (i = 0; i < MAXIMUM_USB_RCB; i++) {
  59                 if (psIntfAdapter->asUsbRcb[i].urb != NULL) {
  60                         kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer);
  61                         usb_free_urb(psIntfAdapter->asUsbRcb[i].urb);
  62                         psIntfAdapter->asUsbRcb[i].urb = NULL;
  63                 }
  64         }
  65         AdapterFree(psIntfAdapter->psAdapter);
  66 }
  67
  68 static void ConfigureEndPointTypesThroughEEPROM(PMINI_ADAPTER Adapter)
  69 {
  70         unsigned long ulReg = 0;
  71         int bytes;
  72
  73         /* Program EP2 MAX_PKT_SIZE */
  74         ulReg = ntohl(EP2_MPS_REG);
  75         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x128, 4, TRUE);
  76         ulReg = ntohl(EP2_MPS);
  77         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x12C, 4, TRUE);
  78
  79         ulReg = ntohl(EP2_CFG_REG);
  80         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x132, 4, TRUE);
  81         if (((PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE) {
  82                 ulReg = ntohl(EP2_CFG_INT);
  83                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
  84         } else {
  85                 /* USE BULK EP as TX in FS mode. */
  86                 ulReg = ntohl(EP2_CFG_BULK);
  87                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE);
  88         }
  89
  90         /* Program EP4 MAX_PKT_SIZE. */
  91         ulReg = ntohl(EP4_MPS_REG);
  92         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x13C, 4, TRUE);
  93         ulReg = ntohl(EP4_MPS);
  94         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x140, 4, TRUE);
  95
  96         /* Program TX EP as interrupt(Alternate Setting) */
  97         bytes = rdmalt(Adapter, 0x0F0110F8, (u32 *)&ulReg, sizeof(u32));
  98         if (bytes < 0) {
  99                 BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 100                         "reading of Tx EP failed\n");
 101                 return;
 102         }
 103         ulReg |= 0x6;
 104
 105         ulReg = ntohl(ulReg);
 106         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1CC, 4, TRUE);
 107
 108         ulReg = ntohl(EP4_CFG_REG);
 109         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C8, 4, TRUE);
 110         /* Program ISOCHRONOUS EP size to zero. */
 111         ulReg = ntohl(ISO_MPS_REG);
 112         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D2, 4, TRUE);
 113         ulReg = ntohl(ISO_MPS);
 114         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D6, 4, TRUE);
 115
 116         /*
 117          * Update EEPROM Version.
 118          * Read 4 bytes from 508 and modify 511 and 510.
 119          */
 120         ReadBeceemEEPROM(Adapter, 0x1FC, (PUINT)&ulReg);
 121         ulReg &= 0x0101FFFF;
 122         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1FC, 4, TRUE);
 123
 124         /* Update length field if required. Also make the string NULL terminated. */
 125
 126         ReadBeceemEEPROM(Adapter, 0xA8, (PUINT)&ulReg);
 127         if ((ulReg&0x00FF0000)>>16 > 0x30) {
 128                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 129                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0xA8, 4, TRUE);
 130         }
 131         ReadBeceemEEPROM(Adapter, 0x148, (PUINT)&ulReg);
 132         if ((ulReg&0x00FF0000)>>16 > 0x30) {
 133                 ulReg = (ulReg&0xFF00FFFF)|(0x30<<16);
 134                 BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x148, 4, TRUE);
 135         }
 136         ulReg = 0;
 137         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x122, 4, TRUE);
 138         ulReg = 0;
 139         BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C2, 4, TRUE);
 140 }
 141
 142 static int 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,
 206                 "psIntfAdapter 0x%p\n", psIntfAdapter);
 207         retval = InterfaceAdapterInit(psIntfAdapter);
 208         if (retval) {
 209                 /* If the Firmware/Cfg File is not present
 210                  * then return success, let the application
 211                  * download the files.
 212                  */
 213                 if (-ENOENT == retval) {
 214                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 215                                 "File Not Found.  Use app to download.\n");
 216                         return STATUS_SUCCESS;
 217                 }
 218                 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 219                         "InterfaceAdapterInit failed.\n");
 220                 usb_set_intfdata(intf, NULL);
 221                 udev = interface_to_usbdev(intf);
 222                 usb_put_dev(udev);
 223                 InterfaceAdapterFree(psIntfAdapter);
 224                 return retval;
 225         }
 226         if (psAdapter->chip_id > T3) {
 227                 uint32_t uiNackZeroLengthInt = 4;
 228
 229                 retval = wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt));
 230                 if (retval)
 231                         return retval;
 232         }
 233
 234         /* Check whether the USB-Device Supports remote Wake-Up */
 235         if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) {
 236                 /* If Suspend then only support dynamic suspend */
 237                 if (psAdapter->bDoSuspend) {
 238 #ifdef CONFIG_PM
 239                         pm_runtime_set_autosuspend_delay(&udev->dev, 0);
 240                         intf->needs_remote_wakeup = 1;
 241                         usb_enable_autosuspend(udev);
 242                         device_init_wakeup(&intf->dev, 1);
 243                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 244                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 245                                 "Enabling USB Auto-Suspend\n");
 246 #endif
 247                 } else {
 248                         intf->needs_remote_wakeup = 0;
 249                         usb_disable_autosuspend(udev);
 250                 }
 251         }
 252
 253         psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 254         return retval;
 255 }
 256
 257 static void usbbcm_disconnect(struct usb_interface *intf)
 258 {
 259         PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
 260         PMINI_ADAPTER psAdapter;
 261         struct usb_device  *udev = interface_to_usbdev(intf);
 262
 263         if (psIntfAdapter == NULL)
 264                 return;
 265
 266         psAdapter = psIntfAdapter->psAdapter;
 267         netif_device_detach(psAdapter->dev);
 268
 269         if (psAdapter->bDoSuspend)
 270                 intf->needs_remote_wakeup = 0;
 271
 272         psAdapter->device_removed = TRUE ;
 273         usb_set_intfdata(intf, NULL);
 274         InterfaceAdapterFree(psIntfAdapter);
 275         usb_put_dev(udev);
 276 }
 277
 278 static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 279 {
 280         int i = 0;
 281
 282         for (i = 0; i < MAXIMUM_USB_TCB; i++) {
 283                 psIntfAdapter->asUsbTcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
 284
 285                 if (psIntfAdapter->asUsbTcb[i].urb == NULL) {
 286                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 287                                 "Can't allocate Tx urb for index %d\n", i);
 288                         return -ENOMEM;
 289                 }
 290         }
 291
 292         for (i = 0; i < MAXIMUM_USB_RCB; i++) {
 293                 psIntfAdapter->asUsbRcb[i].urb = usb_alloc_urb(0, GFP_KERNEL);
 294
 295                 if (psIntfAdapter->asUsbRcb[i].urb == NULL) {
 296                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 297                                 "Can't allocate Rx urb for index %d\n", i);
 298                         return -ENOMEM;
 299                 }
 300
 301                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer = kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL);
 302
 303                 if (psIntfAdapter->asUsbRcb[i].urb->transfer_buffer == NULL) {
 304                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 305                                 "Can't allocate Rx buffer for index %d\n", 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,
 326                         "Cannot send interrupt in URB\n");
 327                 }
 328
 329                 /*
 330                  * now register the cntrl interface.
 331                  * after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 332                  */
 333                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 334                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 335                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 336
 337                 if (value == 0)
 338                         pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n");
 339
 340                 if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) {
 341                         pr_err(DRV_NAME ": Register Control Device failed.\n");
 342                         return -EIO;
 343                 }
 344         }
 345         return 0;
 346 }
 347
 348
 349 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 350 {
 351         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 352 }
 353
 354 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 355 {
 356         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 357 }
 358
 359 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 360 {
 361         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 362 }
 363
 364 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 365 {
 366         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 367 }
 368
 369 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 370 {
 371         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 372                 USB_ENDPOINT_XFER_BULK);
 373 }
 374
 375 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 376 {
 377         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 378                 USB_ENDPOINT_XFER_CONTROL);
 379 }
 380
 381 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 382 {
 383         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 384                 USB_ENDPOINT_XFER_INT);
 385 }
 386
 387 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 388 {
 389         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 390                 USB_ENDPOINT_XFER_ISOC);
 391 }
 392
 393 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 394 {
 395         return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd);
 396 }
 397
 398 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 399 {
 400         return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd);
 401 }
 402
 403 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 404 {
 405         return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd);
 406 }
 407
 408 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 409 {
 410         return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd);
 411 }
 412
 413 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 414 {
 415         return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd);
 416 }
 417
 418 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 419 {
 420         return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd);
 421 }
 422
 423 static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 424 {
 425         struct usb_host_interface *iface_desc;
 426         struct usb_endpoint_descriptor *endpoint;
 427         size_t buffer_size;
 428         unsigned long value;
 429         int retval = 0;
 430         int usedIntOutForBulkTransfer = 0 ;
 431         BOOLEAN bBcm16 = FALSE;
 432         UINT uiData = 0;
 433         int bytes;
 434
 435         /* Store the usb dev into interface adapter */
 436         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
 437
 438         psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
 439         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 440         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 441
 442         bytes = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
 443                         (u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32));
 444         if (bytes < 0) {
 445                 retval = bytes;
 446                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 447                 return retval;
 448         }
 449
 450         if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
 451                 psIntfAdapter->psAdapter->chip_id &= ~0xF0;
 452
 453         dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
 454                  psIntfAdapter->psAdapter->chip_id);
 455
 456         iface_desc = psIntfAdapter->interface->cur_altsetting;
 457
 458         if (psIntfAdapter->psAdapter->chip_id == T3B) {
 459                 /* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */
 460                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
 461                 if (uiData == BECM)
 462                         bBcm16 = TRUE;
 463
 464                 dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n",
 465                          psIntfAdapter->interface->num_altsetting);
 466
 467                 if (bBcm16 == TRUE) {
 468                         /* selecting alternate setting one as a default setting for High Speed  modem. */
 469                         if (psIntfAdapter->bHighSpeedDevice)
 470                                 retval = usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1);
 471                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 472                                 "BCM16 is applicable on this dongle\n");
 473                         if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
 474                                 usedIntOutForBulkTransfer = EP2 ;
 475                                 endpoint = &iface_desc->endpoint[EP2].desc;
 476                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 477                                          "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
 478                                 /*
 479                                  * If Modem is high speed device EP2 should be INT OUT End point
 480                                  * If Mode is FS then EP2 should be bulk end point
 481                                  */
 482                                 if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
 483                                         || ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
 484                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 485                                                 "Configuring the EEPROM\n");
 486                                         /* change the EP2, EP4 to INT OUT end point */
 487                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 488
 489                                         /*
 490                                          * It resets the device and if any thing gets changed
 491                                          *  in USB descriptor it will show fail and re-enumerate
 492                                          * the device
 493                                          */
 494                                         retval = usb_reset_device(psIntfAdapter->udev);
 495                                         if (retval) {
 496                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 497                                                         "reset failed.  Re-enumerating the device.\n");
 498                                                 return retval ;
 499                                         }
 500
 501                                 }
 502                                 if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 503                                         /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
 504                                         UINT _uiData = ntohl(EP2_CFG_INT);
 505                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 506                                                 "Reverting Bulk to INT as it is in Full Speed mode.\n");
 507                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
 508                                 }
 509                         } else {
 510                                 usedIntOutForBulkTransfer = EP4 ;
 511                                 endpoint = &iface_desc->endpoint[EP4].desc;
 512                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 513                                         "Choosing AltSetting as a default setting.\n");
 514                                 if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
 515                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 516                                                 "Dongle does not have BCM16 Fix.\n");
 517                                         /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
 518                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 519
 520                                         /*
 521                                          * It resets the device and if any thing gets changed in
 522                                          *  USB descriptor it will show fail and re-enumerate the
 523                                          * device
 524                                          */
 525                                         retval = usb_reset_device(psIntfAdapter->udev);
 526                                         if (retval) {
 527                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 528                                                         "reset failed.  Re-enumerating the device.\n");
 529                                                 return retval;
 530                                         }
 531
 532                                 }
 533                         }
 534                 }
 535         }
 536
 537         iface_desc = psIntfAdapter->interface->cur_altsetting;
 538
 539         for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
 540                 endpoint = &iface_desc->endpoint[value].desc;
 541
 542                 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
 543                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 544                         psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 545                         psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
 546                         psIntfAdapter->sBulkIn.bulk_in_pipe =
 547                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 548                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 549                 }
 550
 551                 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 552                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 553                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 554                                 usb_sndbulkpipe(psIntfAdapter->udev,
 555                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 556                 }
 557
 558                 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) {
 559                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 560                         psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 561                         psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress;
 562                         psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 563                         psIntfAdapter->sIntrIn.int_in_buffer =
 564                                                 kmalloc(buffer_size, GFP_KERNEL);
 565                         if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 566                                 dev_err(&psIntfAdapter->udev->dev,
 567                                         "could not allocate interrupt_in_buffer\n");
 568                                 return -EINVAL;
 569                         }
 570                 }
 571
 572                 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
 573                         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 574                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
 575                                 /* use first intout end point as a bulk out end point */
 576                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 577                                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 578                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 579                                 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
 580                                                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 581                                 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 582                         } else if (value == EP6) {
 583                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 584                                 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 585                                 psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
 586                                 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 587                                 psIntfAdapter->sIntrOut.int_out_buffer = kmalloc(buffer_size, GFP_KERNEL);
 588                                 if (!psIntfAdapter->sIntrOut.int_out_buffer) {
 589                                         dev_err(&psIntfAdapter->udev->dev,
 590                                                 "could not allocate interrupt_out_buffer\n");
 591                                         return -EINVAL;
 592                                 }
 593                         }
 594                 }
 595         }
 596
 597         usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 598
 599         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 600         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 601                                 InterfaceFileReadbackFromChip;
 602         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 603
 604         retval = CreateInterruptUrb(psIntfAdapter);
 605
 606         if (retval) {
 607                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 608                         "Cannot create interrupt urb\n");
 609                 return retval;
 610         }
 611
 612         retval = AllocUsbCb(psIntfAdapter);
 613         if (retval)
 614                 return retval;
 615
 616         return device_run(psIntfAdapter);
 617 }
 618
 619 static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
 620 {
 621         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 622
 623         psIntfAdapter->bSuspended = TRUE;
 624
 625         if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
 626                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 627
 628                 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
 629                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 630                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 631                                 "Host Entered in PMU Idle Mode.\n");
 632                 } else {
 633                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 634                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 635                                 "Host Entered in PMU Shutdown Mode.\n");
 636                 }
 637         }
 638         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 639
 640         /* Signaling the control pkt path */
 641         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 642
 643         return 0;
 644 }
 645
 646 static int InterfaceResume(struct usb_interface *intf)
 647 {
 648         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 649
 650         mdelay(100);
 651         psIntfAdapter->bSuspended = FALSE;
 652
 653         StartInterruptUrb(psIntfAdapter);
 654         InterfaceRx(psIntfAdapter);
 655         return 0;
 656 }
 657
 658 static struct usb_driver usbbcm_driver = {
 659         .name = "usbbcm",
 660         .probe = usbbcm_device_probe,
 661         .disconnect = usbbcm_disconnect,
 662         .suspend = InterfaceSuspend,
 663         .resume = InterfaceResume,
 664         .id_table = InterfaceUsbtable,
 665         .supports_autosuspend = 1,
 666 };
 667
 668 struct class *bcm_class;
 669
 670 static __init int bcm_init(void)
 671 {
 672         printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
 673         printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
 674
 675         bcm_class = class_create(THIS_MODULE, DRV_NAME);
 676         if (IS_ERR(bcm_class)) {
 677                 printk(KERN_ERR DRV_NAME ": could not create class\n");
 678                 return PTR_ERR(bcm_class);
 679         }
 680
 681         return usb_register(&usbbcm_driver);
 682 }
 683
 684 static __exit void bcm_exit(void)
 685 {
 686         usb_deregister(&usbbcm_driver);
 687         class_destroy(bcm_class);
 688 }
 689
 690 module_init(bcm_init);
 691 module_exit(bcm_exit);
 692
 693 MODULE_DESCRIPTION(DRV_DESCRIPTION);
 694 MODULE_VERSION(DRV_VERSION);
 695 MODULE_LICENSE("GPL");