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 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
 434         /* Store the usb dev into interface adapter */
 435         psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface));
 436
 437         psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH);
 438         psIntfAdapter->psAdapter->interface_rdm = BcmRDM;
 439         psIntfAdapter->psAdapter->interface_wrm = BcmWRM;
 440
 441         retval = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG,
 442                         (u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32));
 443         if (retval) {
 444                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n");
 445                 return retval;
 446         }
 447
 448         if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0)))
 449                 psIntfAdapter->psAdapter->chip_id &= ~0xF0;
 450
 451         dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n",
 452                  psIntfAdapter->psAdapter->chip_id);
 453
 454         iface_desc = psIntfAdapter->interface->cur_altsetting;
 455
 456         if (psIntfAdapter->psAdapter->chip_id == T3B) {
 457                 /* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */
 458                 BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4);
 459                 if (uiData == BECM)
 460                         bBcm16 = TRUE;
 461
 462                 dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n",
 463                          psIntfAdapter->interface->num_altsetting);
 464
 465                 if (bBcm16 == TRUE) {
 466                         /* selecting alternate setting one as a default setting for High Speed  modem. */
 467                         if (psIntfAdapter->bHighSpeedDevice)
 468                                 retval = usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1);
 469                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 470                                 "BCM16 is applicable on this dongle\n");
 471                         if (retval || (psIntfAdapter->bHighSpeedDevice == FALSE)) {
 472                                 usedIntOutForBulkTransfer = EP2 ;
 473                                 endpoint = &iface_desc->endpoint[EP2].desc;
 474                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 475                                          "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n");
 476                                 /*
 477                                  * If Modem is high speed device EP2 should be INT OUT End point
 478                                  * If Mode is FS then EP2 should be bulk end point
 479                                  */
 480                                 if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == FALSE))
 481                                         || ((psIntfAdapter->bHighSpeedDevice == FALSE) && (bcm_usb_endpoint_is_bulk_out(endpoint) == FALSE))) {
 482                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 483                                                 "Configuring the EEPROM\n");
 484                                         /* change the EP2, EP4 to INT OUT end point */
 485                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 486
 487                                         /*
 488                                          * It resets the device and if any thing gets changed
 489                                          *  in USB descriptor it will show fail and re-enumerate
 490                                          * the device
 491                                          */
 492                                         retval = usb_reset_device(psIntfAdapter->udev);
 493                                         if (retval) {
 494                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 495                                                         "reset failed.  Re-enumerating the device.\n");
 496                                                 return retval ;
 497                                         }
 498
 499                                 }
 500                                 if ((psIntfAdapter->bHighSpeedDevice == FALSE) && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 501                                         /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */
 502                                         UINT _uiData = ntohl(EP2_CFG_INT);
 503                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 504                                                 "Reverting Bulk to INT as it is in Full Speed mode.\n");
 505                                         BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE);
 506                                 }
 507                         } else {
 508                                 usedIntOutForBulkTransfer = EP4 ;
 509                                 endpoint = &iface_desc->endpoint[EP4].desc;
 510                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 511                                         "Choosing AltSetting as a default setting.\n");
 512                                 if (bcm_usb_endpoint_is_int_out(endpoint) == FALSE) {
 513                                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 514                                                 "Dongle does not have BCM16 Fix.\n");
 515                                         /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */
 516                                         ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter);
 517
 518                                         /*
 519                                          * It resets the device and if any thing gets changed in
 520                                          *  USB descriptor it will show fail and re-enumerate the
 521                                          * device
 522                                          */
 523                                         retval = usb_reset_device(psIntfAdapter->udev);
 524                                         if (retval) {
 525                                                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 526                                                         "reset failed.  Re-enumerating the device.\n");
 527                                                 return retval;
 528                                         }
 529
 530                                 }
 531                         }
 532                 }
 533         }
 534
 535         iface_desc = psIntfAdapter->interface->cur_altsetting;
 536
 537         for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) {
 538                 endpoint = &iface_desc->endpoint[value].desc;
 539
 540                 if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) {
 541                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 542                         psIntfAdapter->sBulkIn.bulk_in_size = buffer_size;
 543                         psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress;
 544                         psIntfAdapter->sBulkIn.bulk_in_pipe =
 545                                         usb_rcvbulkpipe(psIntfAdapter->udev,
 546                                                                 psIntfAdapter->sBulkIn.bulk_in_endpointAddr);
 547                 }
 548
 549                 if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) {
 550                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 551                         psIntfAdapter->sBulkOut.bulk_out_pipe =
 552                                 usb_sndbulkpipe(psIntfAdapter->udev,
 553                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 554                 }
 555
 556                 if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) {
 557                         buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 558                         psIntfAdapter->sIntrIn.int_in_size = buffer_size;
 559                         psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress;
 560                         psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval;
 561                         psIntfAdapter->sIntrIn.int_in_buffer =
 562                                                 kmalloc(buffer_size, GFP_KERNEL);
 563                         if (!psIntfAdapter->sIntrIn.int_in_buffer) {
 564                                 dev_err(&psIntfAdapter->udev->dev,
 565                                         "could not allocate interrupt_in_buffer\n");
 566                                 return -EINVAL;
 567                         }
 568                 }
 569
 570                 if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) {
 571                         if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr &&
 572                                 (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) {
 573                                 /* use first intout end point as a bulk out end point */
 574                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 575                                 psIntfAdapter->sBulkOut.bulk_out_size = buffer_size;
 576                                 psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress;
 577                                 psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev,
 578                                                                         psIntfAdapter->sBulkOut.bulk_out_endpointAddr);
 579                                 psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval;
 580                         } else if (value == EP6) {
 581                                 buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
 582                                 psIntfAdapter->sIntrOut.int_out_size = buffer_size;
 583                                 psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress;
 584                                 psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval;
 585                                 psIntfAdapter->sIntrOut.int_out_buffer = kmalloc(buffer_size, GFP_KERNEL);
 586                                 if (!psIntfAdapter->sIntrOut.int_out_buffer) {
 587                                         dev_err(&psIntfAdapter->udev->dev,
 588                                                 "could not allocate interrupt_out_buffer\n");
 589                                         return -EINVAL;
 590                                 }
 591                         }
 592                 }
 593         }
 594
 595         usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter);
 596
 597         psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload;
 598         psIntfAdapter->psAdapter->bcm_file_readback_from_chip =
 599                                 InterfaceFileReadbackFromChip;
 600         psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket;
 601
 602         retval = CreateInterruptUrb(psIntfAdapter);
 603
 604         if (retval) {
 605                 BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0,
 606                         "Cannot create interrupt urb\n");
 607                 return retval;
 608         }
 609
 610         retval = AllocUsbCb(psIntfAdapter);
 611         if (retval)
 612                 return retval;
 613
 614         return device_run(psIntfAdapter);
 615 }
 616
 617 static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message)
 618 {
 619         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 620
 621         psIntfAdapter->bSuspended = TRUE;
 622
 623         if (TRUE == psIntfAdapter->bPreparingForBusSuspend) {
 624                 psIntfAdapter->bPreparingForBusSuspend = FALSE;
 625
 626                 if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) {
 627                         psIntfAdapter->psAdapter->IdleMode = TRUE ;
 628                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 629                                 "Host Entered in PMU Idle Mode.\n");
 630                 } else {
 631                         psIntfAdapter->psAdapter->bShutStatus = TRUE;
 632                         BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL,
 633                                 "Host Entered in PMU Shutdown Mode.\n");
 634                 }
 635         }
 636         psIntfAdapter->psAdapter->bPreparingForLowPowerMode = FALSE;
 637
 638         /* Signaling the control pkt path */
 639         wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue);
 640
 641         return 0;
 642 }
 643
 644 static int InterfaceResume(struct usb_interface *intf)
 645 {
 646         PS_INTERFACE_ADAPTER  psIntfAdapter = usb_get_intfdata(intf);
 647
 648         mdelay(100);
 649         psIntfAdapter->bSuspended = FALSE;
 650
 651         StartInterruptUrb(psIntfAdapter);
 652         InterfaceRx(psIntfAdapter);
 653         return 0;
 654 }
 655
 656 static struct usb_driver usbbcm_driver = {
 657         .name = "usbbcm",
 658         .probe = usbbcm_device_probe,
 659         .disconnect = usbbcm_disconnect,
 660         .suspend = InterfaceSuspend,
 661         .resume = InterfaceResume,
 662         .id_table = InterfaceUsbtable,
 663         .supports_autosuspend = 1,
 664 };
 665
 666 struct class *bcm_class;
 667
 668 static __init int bcm_init(void)
 669 {
 670         printk(KERN_INFO "%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION);
 671         printk(KERN_INFO "%s\n", DRV_COPYRIGHT);
 672
 673         bcm_class = class_create(THIS_MODULE, DRV_NAME);
 674         if (IS_ERR(bcm_class)) {
 675                 printk(KERN_ERR DRV_NAME ": could not create class\n");
 676                 return PTR_ERR(bcm_class);
 677         }
 678
 679         return usb_register(&usbbcm_driver);
 680 }
 681
 682 static __exit void bcm_exit(void)
 683 {
 684         usb_deregister(&usbbcm_driver);
 685         class_destroy(bcm_class);
 686 }
 687
 688 module_init(bcm_init);
 689 module_exit(bcm_exit);
 690
 691 MODULE_DESCRIPTION(DRV_DESCRIPTION);
 692 MODULE_VERSION(DRV_VERSION);
 693 MODULE_LICENSE("GPL");