| #include "headers.h" |
| |
| static struct usb_device_id InterfaceUsbtable[] = { |
| { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3B) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_T3L) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_T3, BCM_USB_PRODUCT_ID_SYM) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_226) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_FOXCONN, BCM_USB_PRODUCT_ID_1901) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_TU25) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_226) }, |
| { USB_DEVICE(BCM_USB_VENDOR_ID_ZTE, BCM_USB_PRODUCT_ID_ZTE_326) }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(usb, InterfaceUsbtable); |
| |
| static int debug = -1; |
| module_param(debug, uint, 0600); |
| MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); |
| |
| static const u32 default_msg = |
| NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK |
| | NETIF_MSG_TIMER | NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR |
| | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; |
| |
| static int InterfaceAdapterInit(struct bcm_interface_adapter *Adapter); |
| |
| static void InterfaceAdapterFree(struct bcm_interface_adapter *psIntfAdapter) |
| { |
| int i = 0; |
| |
| /* Wake up the wait_queue... */ |
| if (psIntfAdapter->psAdapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) { |
| psIntfAdapter->psAdapter->DriverState = DRIVER_HALT; |
| wake_up(&psIntfAdapter->psAdapter->LEDInfo.notify_led_event); |
| } |
| reset_card_proc(psIntfAdapter->psAdapter); |
| |
| /* |
| * worst case time taken by the RDM/WRM will be 5 sec. will check after every 100 ms |
| * to accertain the device is not being accessed. After this No RDM/WRM should be made. |
| */ |
| while (psIntfAdapter->psAdapter->DeviceAccess) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Device is being accessed.\n"); |
| msleep(100); |
| } |
| /* Free interrupt URB */ |
| /* psIntfAdapter->psAdapter->device_removed = TRUE; */ |
| usb_free_urb(psIntfAdapter->psInterruptUrb); |
| |
| /* Free transmit URBs */ |
| for (i = 0; i < MAXIMUM_USB_TCB; i++) { |
| if (psIntfAdapter->asUsbTcb[i].urb != NULL) { |
| usb_free_urb(psIntfAdapter->asUsbTcb[i].urb); |
| psIntfAdapter->asUsbTcb[i].urb = NULL; |
| } |
| } |
| /* Free receive URB and buffers */ |
| for (i = 0; i < MAXIMUM_USB_RCB; i++) { |
| if (psIntfAdapter->asUsbRcb[i].urb != NULL) { |
| kfree(psIntfAdapter->asUsbRcb[i].urb->transfer_buffer); |
| usb_free_urb(psIntfAdapter->asUsbRcb[i].urb); |
| psIntfAdapter->asUsbRcb[i].urb = NULL; |
| } |
| } |
| AdapterFree(psIntfAdapter->psAdapter); |
| } |
| |
| static void ConfigureEndPointTypesThroughEEPROM(struct bcm_mini_adapter *Adapter) |
| { |
| unsigned long ulReg = 0; |
| int bytes; |
| |
| /* Program EP2 MAX_PKT_SIZE */ |
| ulReg = ntohl(EP2_MPS_REG); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x128, 4, TRUE); |
| ulReg = ntohl(EP2_MPS); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x12C, 4, TRUE); |
| |
| ulReg = ntohl(EP2_CFG_REG); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x132, 4, TRUE); |
| if (((struct bcm_interface_adapter *)(Adapter->pvInterfaceAdapter))->bHighSpeedDevice == TRUE) { |
| ulReg = ntohl(EP2_CFG_INT); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE); |
| } else { |
| /* USE BULK EP as TX in FS mode. */ |
| ulReg = ntohl(EP2_CFG_BULK); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x136, 4, TRUE); |
| } |
| |
| /* Program EP4 MAX_PKT_SIZE. */ |
| ulReg = ntohl(EP4_MPS_REG); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x13C, 4, TRUE); |
| ulReg = ntohl(EP4_MPS); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x140, 4, TRUE); |
| |
| /* Program TX EP as interrupt(Alternate Setting) */ |
| bytes = rdmalt(Adapter, 0x0F0110F8, (u32 *)&ulReg, sizeof(u32)); |
| if (bytes < 0) { |
| BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "reading of Tx EP failed\n"); |
| return; |
| } |
| ulReg |= 0x6; |
| |
| ulReg = ntohl(ulReg); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1CC, 4, TRUE); |
| |
| ulReg = ntohl(EP4_CFG_REG); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C8, 4, TRUE); |
| /* Program ISOCHRONOUS EP size to zero. */ |
| ulReg = ntohl(ISO_MPS_REG); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D2, 4, TRUE); |
| ulReg = ntohl(ISO_MPS); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1D6, 4, TRUE); |
| |
| /* |
| * Update EEPROM Version. |
| * Read 4 bytes from 508 and modify 511 and 510. |
| */ |
| ReadBeceemEEPROM(Adapter, 0x1FC, (PUINT)&ulReg); |
| ulReg &= 0x0101FFFF; |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1FC, 4, TRUE); |
| |
| /* Update length field if required. Also make the string NULL terminated. */ |
| |
| ReadBeceemEEPROM(Adapter, 0xA8, (PUINT)&ulReg); |
| if ((ulReg&0x00FF0000)>>16 > 0x30) { |
| ulReg = (ulReg&0xFF00FFFF)|(0x30<<16); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0xA8, 4, TRUE); |
| } |
| ReadBeceemEEPROM(Adapter, 0x148, (PUINT)&ulReg); |
| if ((ulReg&0x00FF0000)>>16 > 0x30) { |
| ulReg = (ulReg&0xFF00FFFF)|(0x30<<16); |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x148, 4, TRUE); |
| } |
| ulReg = 0; |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x122, 4, TRUE); |
| ulReg = 0; |
| BeceemEEPROMBulkWrite(Adapter, (PUCHAR)&ulReg, 0x1C2, 4, TRUE); |
| } |
| |
| static int usbbcm_device_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| { |
| struct usb_device *udev = interface_to_usbdev(intf); |
| int retval; |
| struct bcm_mini_adapter *psAdapter; |
| struct bcm_interface_adapter *psIntfAdapter; |
| struct net_device *ndev; |
| |
| /* Reserve one extra queue for the bit-bucket */ |
| ndev = alloc_etherdev_mq(sizeof(struct bcm_mini_adapter), NO_OF_QUEUES+1); |
| if (ndev == NULL) { |
| dev_err(&udev->dev, DRV_NAME ": no memory for device\n"); |
| return -ENOMEM; |
| } |
| |
| SET_NETDEV_DEV(ndev, &intf->dev); |
| |
| psAdapter = netdev_priv(ndev); |
| psAdapter->dev = ndev; |
| psAdapter->msg_enable = netif_msg_init(debug, default_msg); |
| |
| /* Init default driver debug state */ |
| |
| psAdapter->stDebugState.debug_level = DBG_LVL_CURR; |
| psAdapter->stDebugState.type = DBG_TYPE_INITEXIT; |
| |
| /* |
| * Technically, one can start using BCM_DEBUG_PRINT after this point. |
| * However, realize that by default the Type/Subtype bitmaps are all zero now; |
| * so no prints will actually appear until the TestApp turns on debug paths via |
| * the ioctl(); so practically speaking, in early init, no logging happens. |
| * |
| * A solution (used below): we explicitly set the bitmaps to 1 for Type=DBG_TYPE_INITEXIT |
| * and ALL subtype's of the same. Now all bcm debug statements get logged, enabling debug |
| * during early init. |
| * Further, we turn this OFF once init_module() completes. |
| */ |
| |
| psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0xff; |
| BCM_SHOW_DEBUG_BITMAP(psAdapter); |
| |
| retval = InitAdapter(psAdapter); |
| if (retval) { |
| dev_err(&udev->dev, DRV_NAME ": InitAdapter Failed\n"); |
| AdapterFree(psAdapter); |
| return retval; |
| } |
| |
| /* Allocate interface adapter structure */ |
| psIntfAdapter = kzalloc(sizeof(struct bcm_interface_adapter), |
| GFP_KERNEL); |
| if (psIntfAdapter == NULL) { |
| AdapterFree(psAdapter); |
| return -ENOMEM; |
| } |
| |
| psAdapter->pvInterfaceAdapter = psIntfAdapter; |
| psIntfAdapter->psAdapter = psAdapter; |
| |
| /* Store usb interface in Interface Adapter */ |
| psIntfAdapter->interface = intf; |
| usb_set_intfdata(intf, psIntfAdapter); |
| |
| BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "psIntfAdapter 0x%p\n", psIntfAdapter); |
| retval = InterfaceAdapterInit(psIntfAdapter); |
| if (retval) { |
| /* If the Firmware/Cfg File is not present |
| * then return success, let the application |
| * download the files. |
| */ |
| if (-ENOENT == retval) { |
| BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "File Not Found. Use app to download.\n"); |
| return STATUS_SUCCESS; |
| } |
| BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "InterfaceAdapterInit failed.\n"); |
| usb_set_intfdata(intf, NULL); |
| udev = interface_to_usbdev(intf); |
| usb_put_dev(udev); |
| InterfaceAdapterFree(psIntfAdapter); |
| return retval; |
| } |
| if (psAdapter->chip_id > T3) { |
| uint32_t uiNackZeroLengthInt = 4; |
| |
| retval = wrmalt(psAdapter, DISABLE_USB_ZERO_LEN_INT, &uiNackZeroLengthInt, sizeof(uiNackZeroLengthInt)); |
| if (retval) |
| return retval; |
| } |
| |
| /* Check whether the USB-Device Supports remote Wake-Up */ |
| if (USB_CONFIG_ATT_WAKEUP & udev->actconfig->desc.bmAttributes) { |
| /* If Suspend then only support dynamic suspend */ |
| if (psAdapter->bDoSuspend) { |
| #ifdef CONFIG_PM |
| pm_runtime_set_autosuspend_delay(&udev->dev, 0); |
| intf->needs_remote_wakeup = 1; |
| usb_enable_autosuspend(udev); |
| device_init_wakeup(&intf->dev, 1); |
| INIT_WORK(&psIntfAdapter->usbSuspendWork, putUsbSuspend); |
| BCM_DEBUG_PRINT(psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Enabling USB Auto-Suspend\n"); |
| #endif |
| } else { |
| intf->needs_remote_wakeup = 0; |
| usb_disable_autosuspend(udev); |
| } |
| } |
| |
| psAdapter->stDebugState.subtype[DBG_TYPE_INITEXIT] = 0x0; |
| return retval; |
| } |
| |
| static void usbbcm_disconnect(struct usb_interface *intf) |
| { |
| struct bcm_interface_adapter *psIntfAdapter = usb_get_intfdata(intf); |
| struct bcm_mini_adapter *psAdapter; |
| struct usb_device *udev = interface_to_usbdev(intf); |
| |
| if (psIntfAdapter == NULL) |
| return; |
| |
| psAdapter = psIntfAdapter->psAdapter; |
| netif_device_detach(psAdapter->dev); |
| |
| if (psAdapter->bDoSuspend) |
| intf->needs_remote_wakeup = 0; |
| |
| psAdapter->device_removed = TRUE ; |
| usb_set_intfdata(intf, NULL); |
| InterfaceAdapterFree(psIntfAdapter); |
| usb_put_dev(udev); |
| } |
| |
| static int AllocUsbCb(struct bcm_interface_adapter *psIntfAdapter) |
| { |
| int i = 0; |
| |
| for (i = 0; i < MAXIMUM_USB_TCB; i++) { |
| psIntfAdapter->asUsbTcb[i].urb = usb_alloc_urb(0, GFP_KERNEL); |
| |
| if (psIntfAdapter->asUsbTcb[i].urb == NULL) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, |
| "Can't allocate Tx urb for index %d\n", i); |
| return -ENOMEM; |
| } |
| } |
| |
| for (i = 0; i < MAXIMUM_USB_RCB; i++) { |
| psIntfAdapter->asUsbRcb[i].urb = usb_alloc_urb(0, GFP_KERNEL); |
| |
| if (psIntfAdapter->asUsbRcb[i].urb == NULL) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, |
| "Can't allocate Rx urb for index %d\n", i); |
| return -ENOMEM; |
| } |
| |
| psIntfAdapter->asUsbRcb[i].urb->transfer_buffer = kmalloc(MAX_DATA_BUFFER_SIZE, GFP_KERNEL); |
| |
| if (psIntfAdapter->asUsbRcb[i].urb->transfer_buffer == NULL) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, |
| "Can't allocate Rx buffer for index %d\n", i); |
| return -ENOMEM; |
| } |
| psIntfAdapter->asUsbRcb[i].urb->transfer_buffer_length = MAX_DATA_BUFFER_SIZE; |
| } |
| return 0; |
| } |
| |
| static int device_run(struct bcm_interface_adapter *psIntfAdapter) |
| { |
| int value = 0; |
| UINT status = STATUS_SUCCESS; |
| |
| status = InitCardAndDownloadFirmware(psIntfAdapter->psAdapter); |
| if (status != STATUS_SUCCESS) { |
| pr_err(DRV_NAME "InitCardAndDownloadFirmware failed.\n"); |
| return status; |
| } |
| if (TRUE == psIntfAdapter->psAdapter->fw_download_done) { |
| if (StartInterruptUrb(psIntfAdapter)) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Cannot send interrupt in URB\n"); |
| } |
| |
| /* |
| * now register the cntrl interface. |
| * after downloading the f/w waiting for 5 sec to get the mailbox interrupt. |
| */ |
| psIntfAdapter->psAdapter->waiting_to_fw_download_done = false; |
| value = wait_event_timeout(psIntfAdapter->psAdapter->ioctl_fw_dnld_wait_queue, |
| psIntfAdapter->psAdapter->waiting_to_fw_download_done, 5*HZ); |
| |
| if (value == 0) |
| pr_err(DRV_NAME ": Timeout waiting for mailbox interrupt.\n"); |
| |
| if (register_control_device_interface(psIntfAdapter->psAdapter) < 0) { |
| pr_err(DRV_NAME ": Register Control Device failed.\n"); |
| return -EIO; |
| } |
| } |
| return 0; |
| } |
| |
| |
| static inline int bcm_usb_endpoint_num(const struct usb_endpoint_descriptor *epd) |
| { |
| return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; |
| } |
| |
| static inline int bcm_usb_endpoint_type(const struct usb_endpoint_descriptor *epd) |
| { |
| return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; |
| } |
| |
| static inline int bcm_usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd) |
| { |
| return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN); |
| } |
| |
| static inline int bcm_usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd) |
| { |
| return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT); |
| } |
| |
| static inline int bcm_usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd) |
| { |
| return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == |
| USB_ENDPOINT_XFER_BULK); |
| } |
| |
| static inline int bcm_usb_endpoint_xfer_control(const struct usb_endpoint_descriptor *epd) |
| { |
| return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == |
| USB_ENDPOINT_XFER_CONTROL); |
| } |
| |
| static inline int bcm_usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd) |
| { |
| return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == |
| USB_ENDPOINT_XFER_INT); |
| } |
| |
| static inline int bcm_usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd) |
| { |
| return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == |
| USB_ENDPOINT_XFER_ISOC); |
| } |
| |
| static inline int bcm_usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd) |
| { |
| return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_in(epd); |
| } |
| |
| static inline int bcm_usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd) |
| { |
| return bcm_usb_endpoint_xfer_bulk(epd) && bcm_usb_endpoint_dir_out(epd); |
| } |
| |
| static inline int bcm_usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd) |
| { |
| return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_in(epd); |
| } |
| |
| static inline int bcm_usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd) |
| { |
| return bcm_usb_endpoint_xfer_int(epd) && bcm_usb_endpoint_dir_out(epd); |
| } |
| |
| static inline int bcm_usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd) |
| { |
| return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_in(epd); |
| } |
| |
| static inline int bcm_usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd) |
| { |
| return bcm_usb_endpoint_xfer_isoc(epd) && bcm_usb_endpoint_dir_out(epd); |
| } |
| |
| static int InterfaceAdapterInit(struct bcm_interface_adapter *psIntfAdapter) |
| { |
| struct usb_host_interface *iface_desc; |
| struct usb_endpoint_descriptor *endpoint; |
| size_t buffer_size; |
| unsigned long value; |
| int retval = 0; |
| int usedIntOutForBulkTransfer = 0 ; |
| bool bBcm16 = false; |
| UINT uiData = 0; |
| int bytes; |
| |
| /* Store the usb dev into interface adapter */ |
| psIntfAdapter->udev = usb_get_dev(interface_to_usbdev(psIntfAdapter->interface)); |
| |
| psIntfAdapter->bHighSpeedDevice = (psIntfAdapter->udev->speed == USB_SPEED_HIGH); |
| psIntfAdapter->psAdapter->interface_rdm = BcmRDM; |
| psIntfAdapter->psAdapter->interface_wrm = BcmWRM; |
| |
| bytes = rdmalt(psIntfAdapter->psAdapter, CHIP_ID_REG, |
| (u32 *)&(psIntfAdapter->psAdapter->chip_id), sizeof(u32)); |
| if (bytes < 0) { |
| retval = bytes; |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "CHIP ID Read Failed\n"); |
| return retval; |
| } |
| |
| if (0xbece3200 == (psIntfAdapter->psAdapter->chip_id & ~(0xF0))) |
| psIntfAdapter->psAdapter->chip_id &= ~0xF0; |
| |
| dev_info(&psIntfAdapter->udev->dev, "RDM Chip ID 0x%lx\n", |
| psIntfAdapter->psAdapter->chip_id); |
| |
| iface_desc = psIntfAdapter->interface->cur_altsetting; |
| |
| if (psIntfAdapter->psAdapter->chip_id == T3B) { |
| /* T3B device will have EEPROM, check if EEPROM is proper and BCM16 can be done or not. */ |
| BeceemEEPROMBulkRead(psIntfAdapter->psAdapter, &uiData, 0x0, 4); |
| if (uiData == BECM) |
| bBcm16 = TRUE; |
| |
| dev_info(&psIntfAdapter->udev->dev, "number of alternate setting %d\n", |
| psIntfAdapter->interface->num_altsetting); |
| |
| if (bBcm16 == TRUE) { |
| /* selecting alternate setting one as a default setting for High Speed modem. */ |
| if (psIntfAdapter->bHighSpeedDevice) |
| retval = usb_set_interface(psIntfAdapter->udev, DEFAULT_SETTING_0, ALTERNATE_SETTING_1); |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "BCM16 is applicable on this dongle\n"); |
| if (retval || (psIntfAdapter->bHighSpeedDevice == false)) { |
| usedIntOutForBulkTransfer = EP2 ; |
| endpoint = &iface_desc->endpoint[EP2].desc; |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Interface altsetting failed or modem is configured to Full Speed, hence will work on default setting 0\n"); |
| /* |
| * If Modem is high speed device EP2 should be INT OUT End point |
| * If Mode is FS then EP2 should be bulk end point |
| */ |
| if (((psIntfAdapter->bHighSpeedDevice == TRUE) && (bcm_usb_endpoint_is_int_out(endpoint) == false)) |
| || ((psIntfAdapter->bHighSpeedDevice == false) && (bcm_usb_endpoint_is_bulk_out(endpoint) == false))) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Configuring the EEPROM\n"); |
| /* change the EP2, EP4 to INT OUT end point */ |
| ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter); |
| |
| /* |
| * It resets the device and if any thing gets changed |
| * in USB descriptor it will show fail and re-enumerate |
| * the device |
| */ |
| retval = usb_reset_device(psIntfAdapter->udev); |
| if (retval) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "reset failed. Re-enumerating the device.\n"); |
| return retval ; |
| } |
| |
| } |
| if ((psIntfAdapter->bHighSpeedDevice == false) && bcm_usb_endpoint_is_bulk_out(endpoint)) { |
| /* Once BULK is selected in FS mode. Revert it back to INT. Else USB_IF will fail. */ |
| UINT _uiData = ntohl(EP2_CFG_INT); |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Reverting Bulk to INT as it is in Full Speed mode.\n"); |
| BeceemEEPROMBulkWrite(psIntfAdapter->psAdapter, (PUCHAR)&_uiData, 0x136, 4, TRUE); |
| } |
| } else { |
| usedIntOutForBulkTransfer = EP4 ; |
| endpoint = &iface_desc->endpoint[EP4].desc; |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Choosing AltSetting as a default setting.\n"); |
| if (bcm_usb_endpoint_is_int_out(endpoint) == false) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Dongle does not have BCM16 Fix.\n"); |
| /* change the EP2, EP4 to INT OUT end point and use EP4 in altsetting */ |
| ConfigureEndPointTypesThroughEEPROM(psIntfAdapter->psAdapter); |
| |
| /* |
| * It resets the device and if any thing gets changed in |
| * USB descriptor it will show fail and re-enumerate the |
| * device |
| */ |
| retval = usb_reset_device(psIntfAdapter->udev); |
| if (retval) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "reset failed. Re-enumerating the device.\n"); |
| return retval; |
| } |
| |
| } |
| } |
| } |
| } |
| |
| iface_desc = psIntfAdapter->interface->cur_altsetting; |
| |
| for (value = 0; value < iface_desc->desc.bNumEndpoints; ++value) { |
| endpoint = &iface_desc->endpoint[value].desc; |
| |
| if (!psIntfAdapter->sBulkIn.bulk_in_endpointAddr && bcm_usb_endpoint_is_bulk_in(endpoint)) { |
| buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); |
| psIntfAdapter->sBulkIn.bulk_in_size = buffer_size; |
| psIntfAdapter->sBulkIn.bulk_in_endpointAddr = endpoint->bEndpointAddress; |
| psIntfAdapter->sBulkIn.bulk_in_pipe = |
| usb_rcvbulkpipe(psIntfAdapter->udev, |
| psIntfAdapter->sBulkIn.bulk_in_endpointAddr); |
| } |
| |
| if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && bcm_usb_endpoint_is_bulk_out(endpoint)) { |
| psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress; |
| psIntfAdapter->sBulkOut.bulk_out_pipe = |
| usb_sndbulkpipe(psIntfAdapter->udev, |
| psIntfAdapter->sBulkOut.bulk_out_endpointAddr); |
| } |
| |
| if (!psIntfAdapter->sIntrIn.int_in_endpointAddr && bcm_usb_endpoint_is_int_in(endpoint)) { |
| buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); |
| psIntfAdapter->sIntrIn.int_in_size = buffer_size; |
| psIntfAdapter->sIntrIn.int_in_endpointAddr = endpoint->bEndpointAddress; |
| psIntfAdapter->sIntrIn.int_in_interval = endpoint->bInterval; |
| psIntfAdapter->sIntrIn.int_in_buffer = |
| kmalloc(buffer_size, GFP_KERNEL); |
| if (!psIntfAdapter->sIntrIn.int_in_buffer) |
| return -EINVAL; |
| } |
| |
| if (!psIntfAdapter->sIntrOut.int_out_endpointAddr && bcm_usb_endpoint_is_int_out(endpoint)) { |
| if (!psIntfAdapter->sBulkOut.bulk_out_endpointAddr && |
| (psIntfAdapter->psAdapter->chip_id == T3B) && (value == usedIntOutForBulkTransfer)) { |
| /* use first intout end point as a bulk out end point */ |
| buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); |
| psIntfAdapter->sBulkOut.bulk_out_size = buffer_size; |
| psIntfAdapter->sBulkOut.bulk_out_endpointAddr = endpoint->bEndpointAddress; |
| psIntfAdapter->sBulkOut.bulk_out_pipe = usb_sndintpipe(psIntfAdapter->udev, |
| psIntfAdapter->sBulkOut.bulk_out_endpointAddr); |
| psIntfAdapter->sBulkOut.int_out_interval = endpoint->bInterval; |
| } else if (value == EP6) { |
| buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); |
| psIntfAdapter->sIntrOut.int_out_size = buffer_size; |
| psIntfAdapter->sIntrOut.int_out_endpointAddr = endpoint->bEndpointAddress; |
| psIntfAdapter->sIntrOut.int_out_interval = endpoint->bInterval; |
| psIntfAdapter->sIntrOut.int_out_buffer = kmalloc(buffer_size, GFP_KERNEL); |
| if (!psIntfAdapter->sIntrOut.int_out_buffer) |
| return -EINVAL; |
| } |
| } |
| } |
| |
| usb_set_intfdata(psIntfAdapter->interface, psIntfAdapter); |
| |
| psIntfAdapter->psAdapter->bcm_file_download = InterfaceFileDownload; |
| psIntfAdapter->psAdapter->bcm_file_readback_from_chip = |
| InterfaceFileReadbackFromChip; |
| psIntfAdapter->psAdapter->interface_transmit = InterfaceTransmitPacket; |
| |
| retval = CreateInterruptUrb(psIntfAdapter); |
| |
| if (retval) { |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, |
| "Cannot create interrupt urb\n"); |
| return retval; |
| } |
| |
| retval = AllocUsbCb(psIntfAdapter); |
| if (retval) |
| return retval; |
| |
| return device_run(psIntfAdapter); |
| } |
| |
| static int InterfaceSuspend(struct usb_interface *intf, pm_message_t message) |
| { |
| struct bcm_interface_adapter *psIntfAdapter = usb_get_intfdata(intf); |
| |
| psIntfAdapter->bSuspended = TRUE; |
| |
| if (TRUE == psIntfAdapter->bPreparingForBusSuspend) { |
| psIntfAdapter->bPreparingForBusSuspend = false; |
| |
| if (psIntfAdapter->psAdapter->LinkStatus == LINKUP_DONE) { |
| psIntfAdapter->psAdapter->IdleMode = TRUE ; |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Host Entered in PMU Idle Mode.\n"); |
| } else { |
| psIntfAdapter->psAdapter->bShutStatus = TRUE; |
| BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, DRV_ENTRY, DBG_LVL_ALL, |
| "Host Entered in PMU Shutdown Mode.\n"); |
| } |
| } |
| psIntfAdapter->psAdapter->bPreparingForLowPowerMode = false; |
| |
| /* Signaling the control pkt path */ |
| wake_up(&psIntfAdapter->psAdapter->lowpower_mode_wait_queue); |
| |
| return 0; |
| } |
| |
| static int InterfaceResume(struct usb_interface *intf) |
| { |
| struct bcm_interface_adapter *psIntfAdapter = usb_get_intfdata(intf); |
| |
| mdelay(100); |
| psIntfAdapter->bSuspended = false; |
| |
| StartInterruptUrb(psIntfAdapter); |
| InterfaceRx(psIntfAdapter); |
| return 0; |
| } |
| |
| static struct usb_driver usbbcm_driver = { |
| .name = "usbbcm", |
| .probe = usbbcm_device_probe, |
| .disconnect = usbbcm_disconnect, |
| .suspend = InterfaceSuspend, |
| .resume = InterfaceResume, |
| .id_table = InterfaceUsbtable, |
| .supports_autosuspend = 1, |
| }; |
| |
| struct class *bcm_class; |
| |
| static __init int bcm_init(void) |
| { |
| int retval; |
| |
| pr_info("%s: %s, %s\n", DRV_NAME, DRV_DESCRIPTION, DRV_VERSION); |
| pr_info("%s\n", DRV_COPYRIGHT); |
| |
| bcm_class = class_create(THIS_MODULE, DRV_NAME); |
| if (IS_ERR(bcm_class)) { |
| pr_err(DRV_NAME ": could not create class\n"); |
| return PTR_ERR(bcm_class); |
| } |
| |
| retval = usb_register(&usbbcm_driver); |
| if (retval < 0) { |
| pr_err(DRV_NAME ": could not register usb driver\n"); |
| class_destroy(bcm_class); |
| return retval; |
| } |
| return 0; |
| } |
| |
| static __exit void bcm_exit(void) |
| { |
| usb_deregister(&usbbcm_driver); |
| class_destroy(bcm_class); |
| } |
| |
| module_init(bcm_init); |
| module_exit(bcm_exit); |
| |
| MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| MODULE_VERSION(DRV_VERSION); |
| MODULE_LICENSE("GPL"); |