diff options
Diffstat (limited to 'drivers/staging/bcm/InterfaceIsr.c')
| -rw-r--r-- | drivers/staging/bcm/InterfaceIsr.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/drivers/staging/bcm/InterfaceIsr.c b/drivers/staging/bcm/InterfaceIsr.c deleted file mode 100644 index b9f8a7aa24fe..000000000000 --- a/drivers/staging/bcm/InterfaceIsr.c +++ /dev/null @@ -1,190 +0,0 @@ -#include "headers.h" - - -static void read_int_callback(struct urb *urb/*, struct pt_regs *regs*/) -{ - int status = urb->status; - struct bcm_interface_adapter *psIntfAdapter = - (struct bcm_interface_adapter *)urb->context; - struct bcm_mini_adapter *Adapter = psIntfAdapter->psAdapter; - - if (netif_msg_intr(Adapter)) - pr_info(PFX "%s: interrupt status %d\n", - Adapter->dev->name, status); - - if (Adapter->device_removed) { - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, "Device has Got Removed."); - return; - } - - if ((Adapter->bPreparingForLowPowerMode && Adapter->bDoSuspend) || - psIntfAdapter->bSuspended || - psIntfAdapter->bPreparingForBusSuspend) { - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, - "Interrupt call back is called while suspending the device"); - return; - } - - switch (status) { - /* success */ - case STATUS_SUCCESS: - if (urb->actual_length) { - - if (psIntfAdapter->ulInterruptData[1] & 0xFF) { - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, - INTF_INIT, DBG_LVL_ALL, - "Got USIM interrupt"); - } - - if (psIntfAdapter->ulInterruptData[1] & 0xFF00) { - atomic_set(&Adapter->CurrNumFreeTxDesc, - (psIntfAdapter->ulInterruptData[1] & - 0xFF00) >> 8); - atomic_set(&Adapter->uiMBupdate, TRUE); - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, - INTF_INIT, DBG_LVL_ALL, - "TX mailbox contains %d", - atomic_read(&Adapter->CurrNumFreeTxDesc)); - } - if (psIntfAdapter->ulInterruptData[1] >> 16) { - Adapter->CurrNumRecvDescs = - (psIntfAdapter->ulInterruptData[1] >> 16); - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, - INTF_INIT, DBG_LVL_ALL, - "RX mailbox contains %d", - Adapter->CurrNumRecvDescs); - InterfaceRx(psIntfAdapter); - } - if (Adapter->fw_download_done && - !Adapter->downloadDDR && - atomic_read(&Adapter->CurrNumFreeTxDesc)) { - - psIntfAdapter->psAdapter->downloadDDR += 1; - wake_up(&Adapter->tx_packet_wait_queue); - } - if (!Adapter->waiting_to_fw_download_done) { - Adapter->waiting_to_fw_download_done = TRUE; - wake_up(&Adapter->ioctl_fw_dnld_wait_queue); - } - if (!atomic_read(&Adapter->TxPktAvail)) { - atomic_set(&Adapter->TxPktAvail, 1); - wake_up(&Adapter->tx_packet_wait_queue); - } - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, "Firing interrupt in URB"); - } - break; - case -ENOENT: - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, "URB has got disconnected...."); - return; - case -EINPROGRESS: - /* - * This situation may happened when URBunlink is used. for - * detail check usb_unlink_urb documentation. - */ - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, - "Impossibe condition has occurred... something very bad is going on"); - break; - /* return; */ - case -EPIPE: - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, - "Interrupt IN endPoint has got halted/stalled...need to clear this"); - Adapter->bEndPointHalted = TRUE; - wake_up(&Adapter->tx_packet_wait_queue); - urb->status = STATUS_SUCCESS; - return; - /* software-driven interface shutdown */ - case -ECONNRESET: /* URB got unlinked */ - case -ESHUTDOWN: /* hardware gone. this is the serious problem */ - /* - * Occurs only when something happens with the - * host controller device - */ - case -ENODEV: /* Device got removed */ - case -EINVAL: - /* - * Some thing very bad happened with the URB. No - * description is available. - */ - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, "interrupt urb error %d", status); - urb->status = STATUS_SUCCESS; - break; - /* return; */ - default: - /* - * This is required to check what is the defaults conditions - * when it occurs.. - */ - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_TX, NEXT_SEND, DBG_LVL_ALL, - "GOT DEFAULT INTERRUPT URB STATUS :%d..Please Analyze it...", - status); - break; - } - - StartInterruptUrb(psIntfAdapter); - - -} - -int CreateInterruptUrb(struct bcm_interface_adapter *psIntfAdapter) -{ - psIntfAdapter->psInterruptUrb = usb_alloc_urb(0, GFP_KERNEL); - if (!psIntfAdapter->psInterruptUrb) { - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, - INTF_INIT, DBG_LVL_ALL, - "Cannot allocate interrupt urb"); - return -ENOMEM; - } - psIntfAdapter->psInterruptUrb->transfer_buffer = - psIntfAdapter->ulInterruptData; - psIntfAdapter->psInterruptUrb->transfer_buffer_length = - sizeof(psIntfAdapter->ulInterruptData); - - psIntfAdapter->sIntrIn.int_in_pipe = usb_rcvintpipe(psIntfAdapter->udev, - psIntfAdapter->sIntrIn.int_in_endpointAddr); - - usb_fill_int_urb(psIntfAdapter->psInterruptUrb, psIntfAdapter->udev, - psIntfAdapter->sIntrIn.int_in_pipe, - psIntfAdapter->psInterruptUrb->transfer_buffer, - psIntfAdapter->psInterruptUrb->transfer_buffer_length, - read_int_callback, psIntfAdapter, - psIntfAdapter->sIntrIn.int_in_interval); - - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, INTF_INIT, - DBG_LVL_ALL, "Interrupt Interval: %d\n", - psIntfAdapter->sIntrIn.int_in_interval); - return 0; -} - - -INT StartInterruptUrb(struct bcm_interface_adapter *psIntfAdapter) -{ - INT status = 0; - - if (!(psIntfAdapter->psAdapter->device_removed || - psIntfAdapter->psAdapter->bEndPointHalted || - psIntfAdapter->bSuspended || - psIntfAdapter->bPreparingForBusSuspend || - psIntfAdapter->psAdapter->StopAllXaction)) { - status = - usb_submit_urb(psIntfAdapter->psInterruptUrb, GFP_ATOMIC); - if (status) { - BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, - DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, - "Cannot send inturb %d\n", status); - if (status == -EPIPE) { - psIntfAdapter->psAdapter->bEndPointHalted = - TRUE; - wake_up(&psIntfAdapter->psAdapter->tx_packet_wait_queue); - } - } - } - return status; -} - |