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 ret;
  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         ret = rdmalt(Adapter, 0x0F0110F8, (u32 *)&ulReg, sizeof(u32));
  98         if (ret) {
  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
 143 usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id)
 144 {
 145         struct usb_device *udev = interface_to_usbdev(intf);
 146         int retval;
 147         PMINI_ADAPTER psAdapter;
 148         PS_INTERFACE_ADAPTER psIntfAdapter;
 149         struct net_device *ndev;
 150
 151         /* Reserve one extra queue for the bit-bucket */
 152         ndev = alloc_etherdev_mq(sizeof(MINI_ADAPTER), NO_OF_QUEUES+1);
 153         if (ndev == NULL) {
 154                 dev_err(&udev->dev, DRV_NAME ": no memory for device\n");
 155                 return -ENOMEM;
 156         }
 157
 158         SET_NETDEV_DEV(ndev, &intf->dev);
 159
 160         psAdapter = netdev_priv(ndev);
 161         psAdapter->dev = ndev;
 162         psAdapter->msg_enable = netif_msg_init(debug, default_msg);
 163
 164         /* Init default driver debug state */
 165
 166         psAdapter->stDebugState.debug_level = DBG_LVL_CURR;
 167         psAdapter->stDebugState.type = DBG_TYPE_INITEXIT;
 168
 169         /*
 170          * Technically, one can start using BCM_DEBUG_PRINT after this point.
 171          * However, realize that by default the Type/Subtype bitmaps are all zero now;
 172          * so no prints will actually appear until the TestApp turns on debug paths via
 173          * the ioctl(); so practically speaking, in early init, no logging happens.
 174          *
 175          * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT
 176          * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug
 177          * during early init.
 178          * Further, we turn this OFF once init_module() completes.
 179          */
 180
 181         psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff;
 182         BCM_SHOW_DEBUG_BITMAP(psAdapter);
 183
 184         retval = InitAdapter(psAdapter);
 185         if (retval) {
 186                 dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n");
 187                 AdapterFree(psAdapter);
 188                 return retval;
 189         }
 190
 191         /* Allocate interface adapter structure */
 192         psIntfAdapter = kzalloc(sizeof(S_INTERFACE_ADAPTER), GFP_KERNEL);
 193         if (psIntfAdapter == NULL) {
 194                 dev_err(&udev->dev, DRV_NAME ": no memory for Interface adapter\n");
 195                 AdapterFree(psAdapter);
 196                 return -ENOMEM;
 197         }
 198
 199         psAdapter->pvInterfaceAdapter = psIntfAdapter;
 200         psIntfAdapter->psAdapter = psAdapter;
 201
 202         /* Store usb interface in Interface Adapter */
 203         psIntfAdapter->interface = intf;
 204         usb_set_intfdata(intf, psIntfAdapter);
 205
 206         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 207                 "psIntfAdapter 0x%p\n", psIntfAdapter);
 208         retval = InterfaceAdapterInit(psIntfAdapter);
 209         if (retval) {
 210                 /* If the Firmware/Cfg File is not present
 211                  * then return success, let the application
 212                  * download the files.
 213                  */
 214                 if (-ENOENT == retval) {
 215                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 216                                 "File Not Found.  Use app to download.\n");
 217                         return STATUS_SUCCESS;
 218                 }
 219                 BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 220                         "InterfaceAdapterInit failed.\n");
 221                 usb_set_intfdata(intf, NULL);
 222                 udev = interface_to_usbdev(intf);
 223                 usb_put_dev(udev);
 224                 InterfaceAdapterFree(psIntfAdapter);
 225                 return retval;
 226         }
 227         if (psAdapter->chip_id > T3) {
 228                 uint32_t uiNackZeroLengthInt = 4;
 229
 230                 retval = wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt));
 231                 if (retval)
 232                         return retval;
 233         }
 234
 235         /* Check whether the USB-Device Supports remote Wake-Up */
 236         if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) {
 237                 /* If Suspend then only support dynamic suspend */
 238                 if (psAdapter->bDoSuspend) {
 239 #ifdef CONFIG_PM
 240                         pm_runtime_set_autosuspend_delay(&udev->dev, 0);
 241                         intf->needs_remote_wakeup = 1;
 242                         usb_enable_autosuspend(udev);
 243                         device_init_wakeup(&intf->dev, 1);
 244                         INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend);
 245                         BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 246                                 "Enabling USB Auto-Suspend\n");
 247 #endif
 248                 } else {
 249                         intf->needs_remote_wakeup = 0;
 250                         usb_disable_autosuspend(udev);
 251                 }
 252         }
 253
 254         psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0;
 255         return retval;
 256 }
 257
 258 static void usbbcm_disconnect(struct usb_interface *intf)
 259 {
 260         PS_INTERFACE_ADAPTER psIntfAdapter = usb_get_intfdata(intf);
 261         PMINI_ADAPTER psAdapter;
 262         struct usb_device  *udev = interface_to_usbdev(intf);
 263
 264         if (psIntfAdapter == NULL)
 265                 return;
 266
 267         psAdapter = psIntfAdapter->psAdapter;
 268         netif_device_detach(psAdapter->dev);
 269
 270         if (psAdapter->bDoSuspend)
 271                 intf->needs_remote_wakeup = 0;
 272
 273         psAdapter->device_removed = TRUE ;
 274         usb_set_intfdata(intf, NULL);
 275         InterfaceAdapterFree(psIntfAdapter);
 276         usb_put_dev(udev);
 277 }
 278
 279 static int AllocUsbCb(PS_INTERFACE_ADAPTER psIntfAdapter)
 280 {
 281         int i = 0;
 282
 283         for (i = 0; i < MAXIMUM_USB_TCB; i++) {
 284                 if ((psIntfAdapter->asUsbTcb[i].urb =
 285                                 usb_alloc_urb(0, GFP_KERNEL)) == 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                 if ((psIntfAdapter->asUsbRcb[i].urb =
 294                                 usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
 295                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 296                                 "Can't allocate Rx urb for index %d\n", i);
 297                         return -ENOMEM;
 298                 }
 299                 if ((psIntfAdapter->asUsbRcb[i].urb->transfer_buffer =
 300                         kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL)) == NULL) {
 301                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 302                                 "Can't allocate Rx buffer for index %d\n", i);
 303                         return -ENOMEM;
 304                 }
 305                 psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE;
 306         }
 307         return 0;
 308 }
 309
 310 static int device_run(PS_INTERFACE_ADAPTER psIntfAdapter)
 311 {
 312         int value = 0;
 313         UINT status = STATUS_SUCCESS;
 314
 315         status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter);
 316         if (status != STATUS_SUCCESS) {
 317                 pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n");
 318                 return status;
 319         }
 320         if (TRUE == psIntfAdapter->psAdapter->fw_download_done) {
 321                 if (StartInterruptUrb(psIntfAdapter)) {
 322                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 323                         "Cannot send interrupt in URB\n");
 324                 }
 325
 326                 /*
 327                  * now register the cntrl interface.
 328                  * after downloading the f/w waiting for 5 sec to get the mailbox interrupt.
 329                  */
 330                 psIntfAdapter->psAdapter->waiting_to_fw_download_done = FALSE;
 331                 value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue,
 332                                         psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ);
 333
 334                 if (value == 0)
 335                         pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n");
 336
 337                 if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) {
 338                         pr_err(DRV_NAME ": Register Control Device failed.\n");
 339                         return -EIO;
 340                 }
 341         }
 342         return 0;
 343 }
 344
 345
 346 static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 347 {
 348         return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 349 }
 350
 351 static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 352 {
 353         return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 354 }
 355
 356 static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
 357 {
 358         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
 359 }
 360
 361 static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
 362 {
 363         return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
 364 }
 365
 366 static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd)
 367 {
 368         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 369                 USB_ENDPOINT_XFER_BULK);
 370 }
 371
 372 static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd)
 373 {
 374         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 375                 USB_ENDPOINT_XFER_CONTROL);
 376 }
 377
 378 static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
 379 {
 380         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 381                 USB_ENDPOINT_XFER_INT);
 382 }
 383
 384 static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd)
 385 {
 386         return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
 387                 USB_ENDPOINT_XFER_ISOC);
 388 }
 389
 390 static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd)
 391 {
 392         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd));
 393 }
 394
 395 static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd)
 396 {
 397         return (bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd));
 398 }
 399
 400 static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
 401 {
 402         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd));
 403 }
 404
 405 static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
 406 {
 407         return (bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd));
 408 }
 409
 410 static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd)
 411 {
 412         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd));
 413 }
 414
 415 static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd)
 416 {
 417         return (bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd));
 418 }
 419
 420 static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER psIntfAdapter)
 421 {
 422         struct usb_host_interface *iface_desc;
 423         struct usb_endpoint_descriptor *endpoint;
 424         size_t buffer_size;
 425         unsigned long value;
 426         int retval = 0;
 427         int usedIntOutForBulkTransfer = 0 ;
 428         BOOLEAN bBcm16 = FALSE;
 429         UINT uiData = 0;
 430
 431         /* Store the usb dev into interface adapter */
 432         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
 433
 434         psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
 435         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 436         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 437
 438         retval = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
 439                         (u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32));
 440         if (retval) {
 441                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 442                 return retval;
 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,
 467                                 "BCM16 is applicable on this dongle\n");
 468                         if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
 469                                 usedIntOutForBulkTransfer = EP2 ;
 470                                 endpoint = &iface_desc->endpoint[EP2].desc;
 471                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 472                                          "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
 473                                 /*
 474                                  * If Modem is high speed device EP2 should be INT OUT End point
 475                                  * If Mode is FS then EP2 should be bulk end point
 476                                  */
 477                                 if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
 478                                         || ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
 479                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 480                                                 "Configuring the EEPROM\n");
 481                                         /* change the EP2, EP4 to INT OUT end point */
 482                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 483
 484                                         /*
 485                                          * It resets the device and if any thing gets changed
 486                                          *  in USB descriptor it will show fail and re-enumerate
 487                                          * the device
 488                                          */
 489                                         retval = usb_reset_device(psIntfAdapter->udev);
 490                                         if (retval) {
 491                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 492                                                         "reset failed.  Re-enumerating the device.\n");
 493                                                 return retval ;
 494                                         }
 495
 496                                 }
 497                                 if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 498                                         /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
 499                                         UINT _uiData = ntohl(EP2_CFG_INT);
 500                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 501                                                 "Reverting Bulk to INT as it is in Full Speed mode.\n");
 502                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
 503                                 }
 504                         } else {
 505                                 usedIntOutForBulkTransfer = EP4 ;
 506                                 endpoint = &iface_desc->endpoint[EP4].desc;
 507                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 508                                         "Choosing AltSetting as a default setting.\n");
 509                                 if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
 510                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 511                                                 "Dongle does not have BCM16 Fix.\n");
 512                                         /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
 513                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 514
 515                                         /*
 516                                          * It resets the device and if any thing gets changed in
 517                                          *  USB descriptor it will show fail and re-enumerate the
 518                                          * device
 519                                          */
 520                                         retval = usb_reset_device(psIntfAdapter->udev);
 521                                         if (retval) {
 522                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 523                                                         "reset failed.  Re-enumerating the device.\n");
 524                                                 return retval;
 525                                         }
 526
 527                                 }
 528                         }
 529                 }
 530         }
 531
 532         iface_desc = psIntfAdapter->interface->cur_altsetting;
 533
 534         for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
 535                 endpoint = &iface_desc->endpoint[value].desc;
 536
 537                 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
 538                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 539                         psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 540                         psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
 541                         psIntfAdapter->sBulkIn.bulk_in_pipe =
 542                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 543                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 544                 }
 545
 546                 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 547                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 548                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 549                                 usb_sndbulkpipe(psIntfAdapter->udev,
 550                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 551                 }
 552
 553                 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) {
 554                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 555                         psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 556                         psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress;
 557                         psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 558                         psIntfAdapter->sIntrIn.int_in_buffer =
 559                                                 kmalloc(buffer_size, GFP_KERNEL);
 560                         if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 561                                 dev_err(&psIntfAdapter->udev->dev,
 562                                         "could not allocate interrupt_in_buffer\n");
 563                                 return -EINVAL;
 564                         }
 565                 }
 566
 567                 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
 568                         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 569                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
 570                                 /* use first intout end point as a bulk out end point */
 571                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 572                                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 573                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 574                                 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
 575                                                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 576                                 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 577                         } else if (value == EP6) {
 578                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 579                                 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 580                                 psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
 581                                 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 582                                 psIntfAdapter->sIntrOut.int_out_buffer= kmalloc(buffer_size, GFP_KERNEL);
 583                                 if (!psIntfAdapter->sIntrOut.int_out_buffer) {
 584                                         dev_err(&psIntfAdapter->udev->dev,
 585                                                 "could not allocate interrupt_out_buffer\n");
 586                                         return -EINVAL;
 587                                 }
 588                         }
 589                 }
 590         }
 591
 592         usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 593
 594         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 595         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 596                                 InterfaceFileReadbackFromChip;
 597         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 598
 599         retval = CreateInterruptUrb(psIntfAdapter);
 600
 601         if (retval) {
 602                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 603                         "Cannot create interrupt urb\n");
 604                 return retval;
 605         }
 606
 607         retval = AllocUsbCb(psIntfAdapter);
 608         if (retval)
 609                 return retval;
 610
 611         return device_run(psIntfAdapter);
 612 }
 613
 614 static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
 615 {
 616         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 617
 618         psIntfAdapter->bSuspended = TRUE;
 619
 620         if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
 621                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 622
 623                 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
 624                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 625                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 626                                 "Host Entered in PMU Idle Mode.\n");
 627                 } else {
 628                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 629                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 630                                 "Host Entered in PMU Shutdown Mode.\n");
 631                 }
 632         }
 633         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 634
 635         /* Signaling the control pkt path */
 636         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 637
 638         return 0;
 639 }
 640
 641 static int InterfaceResume(struct usb_interface *intf)
 642 {
 643         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 644         mdelay(100);
 645
 646         psIntfAdapter->bSuspended = FALSE;
 647
 648         StartInterruptUrb(psIntfAdapter);
 649         InterfaceRx(psIntfAdapter);
 650         return 0;
 651 }
 652
 653 static struct usb_driver usbbcm_driver = {
 654         .name = "usbbcm",
 655         .probe = usbbcm_device_probe,
 656         .disconnect = usbbcm_disconnect,
 657         .suspend = InterfaceSuspend,
 658         .resume = InterfaceResume,
 659         .id_table = InterfaceUsbtable,
 660         .supports_autosuspend = 1,
 661 };
 662
 663 struct class *bcm_class;
 664
 665 static __init int bcm_init(void)
 666 {
 667         printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
 668         printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
 669
 670         bcm_class = class_create(THIS_MODULE, DRV_NAME);
 671         if (IS_ERR(bcm_class)) {
 672                 printk(KERN_ERR DRV_NAME ": could not create class\n");
 673                 return PTR_ERR(bcm_class);
 674         }
 675
 676         return usb_register(&usbbcm_driver);
 677 }
 678
 679 static __exit void bcm_exit(void)
 680 {
 681         usb_deregister(&usbbcm_driver);
 682         class_destroy(bcm_class);
 683 }
 684
 685 module_init(bcm_init);
 686 module_exit(bcm_exit);
 687
 688 MODULE_DESCRIPTION(DRV_DESCRIPTION);
 689 MODULE_VERSION(DRV_VERSION);
 690 MODULE_LICENSE("GPL");