LXR linux/drivers/staging/bcm/InterfaceInit.c

   1#include "headers.h"
   2
   3static 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};
  13MODULE_DEVICE_TABLE(usb, InterfaceUsbtable);
  14
  15static int debug = -1;
  16module_param(debug, uint, 0600);
  17MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
  18
  19static 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
  24static int InterfaceAdapterInit(PS_INTERFACE_ADAPTER Adapter);
  25
  26static 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
  68static 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
 142static int
 143usbbcm_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
 258static 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
 279static 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
 310static 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
 346static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd)
 347{
 348        return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
 349}
 350
 351static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd)
 352{
 353        return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 354}
 355
 356static 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
 361static 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
 366static 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
 372static 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
 378static 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
 384static 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
 390static 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
 395static 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
 400static 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
 405static 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
 410static 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
 415static 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
 420static 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
 614static 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
 641static 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
 653static 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
 663struct class *bcm_class;
 664
 665static __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
 679static __exit void bcm_exit(void)
 680{
 681        usb_deregister(&usbbcm_driver);
 682        class_destroy(bcm_class);
 683}
 684
 685module_init(bcm_init);
 686module_exit(bcm_exit);
 687
 688MODULE_DESCRIPTION(DRV_DESCRIPTION);
 689MODULE_VERSION(DRV_VERSION);
 690MODULE_LICENSE("GPL");
 691