C++ A_MEMZERO函数代码示例

static A_STATUS RecvHCIEvent(AR3K_CONFIG_INFO *pConfig,
                             A_UINT8          *pBuffer,
                             int              *pLength)
{
    A_STATUS    status = A_OK;
    HTC_PACKET  *pRecvPacket = NULL;

    do {

        pRecvPacket = (HTC_PACKET *)A_MALLOC(sizeof(HTC_PACKET));
        if (NULL == pRecvPacket) {
            status = A_NO_MEMORY;
            AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to alloc HTC struct \n"));
            break;
        }

        A_MEMZERO(pRecvPacket,sizeof(HTC_PACKET));

        SET_HTC_PACKET_INFO_RX_REFILL(pRecvPacket,NULL,pBuffer,*pLength,HCI_EVENT_TYPE);

        status = HCI_TransportRecvHCIEventSync(pConfig->pHCIDev,
                                               pRecvPacket,
                                               HCI_EVENT_RESP_TIMEOUTMS);
        if (A_FAILED(status)) {
            break;
        }

        *pLength = pRecvPacket->ActualLength;

    } while (FALSE);

    if (pRecvPacket != NULL) {
        A_FREE(pRecvPacket);
    }

    return status;
}

LOCAL void _HTC_Ready(htc_handle_t htcHandle)
{
	adf_nbuf_t pBuffer;
	HTC_READY_MSG *pReady;
	a_uint8_t *addr;
	HTC_CONTEXT *pHTC = (HTC_CONTEXT *)htcHandle;
    
	pBuffer = HTCAllocMsgBuffer(pHTC);
       
	/* an optimization... the header length is chosen to
	 * be aligned on a 16 bit bounday, the fields in the message are designed to
	 * be aligned */
	addr = adf_nbuf_put_tail(pBuffer, sizeof(HTC_READY_MSG));       
	pReady = (HTC_READY_MSG *)addr;     
	A_MEMZERO(pReady,sizeof(HTC_READY_MSG));  
	pReady->MessageID = adf_os_htons(HTC_MSG_READY_ID);
	pReady->CreditSize = adf_os_htons((A_UINT16)pHTC->RecvBufferSize);
	pReady->CreditCount = adf_os_htons((A_UINT16)pHTC->TotalCredits);
	pReady->MaxEndpoints = ENDPOINT_MAX;
       
	/* send out the message */
	HTC_SendMsg(pHTC, ENDPOINT0, pBuffer);
	/* now we need to wait for service connection requests */
}

A_STATUS htc_start(HTC_HANDLE HTCHandle)
{
	cdf_nbuf_t netbuf;
	A_STATUS status = A_OK;
	HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle);
	HTC_SETUP_COMPLETE_EX_MSG *pSetupComp;
	HTC_PACKET *pSendPacket;

	AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("htc_start Enter\n"));

	do {

		htc_config_target_hif_pipe(target);

		/* allocate a buffer to send */
		pSendPacket = htc_alloc_control_tx_packet(target);
		if (NULL == pSendPacket) {
			AR_DEBUG_ASSERT(false);
			cdf_print("%s: allocControlTxPacket failed\n",
				  __func__);
			status = A_NO_MEMORY;
			break;
		}

		netbuf =
			(cdf_nbuf_t) GET_HTC_PACKET_NET_BUF_CONTEXT(pSendPacket);
		/* assemble setup complete message */
		cdf_nbuf_put_tail(netbuf, sizeof(HTC_SETUP_COMPLETE_EX_MSG));
		pSetupComp =
			(HTC_SETUP_COMPLETE_EX_MSG *) cdf_nbuf_data(netbuf);
		A_MEMZERO(pSetupComp, sizeof(HTC_SETUP_COMPLETE_EX_MSG));

		HTC_SET_FIELD(pSetupComp, HTC_SETUP_COMPLETE_EX_MSG,
			      MESSAGEID, HTC_MSG_SETUP_COMPLETE_EX_ID);

		if (!htc_credit_flow) {
			AR_DEBUG_PRINTF(ATH_DEBUG_INIT,
					("HTC will not use TX credit flow control\n"));
			pSetupComp->SetupFlags |=
				HTC_SETUP_COMPLETE_FLAGS_DISABLE_TX_CREDIT_FLOW;
		} else {
			AR_DEBUG_PRINTF(ATH_DEBUG_INIT,
					("HTC using TX credit flow control\n"));
		}

#ifdef HIF_SDIO
#if ENABLE_BUNDLE_RX
		if (HTC_ENABLE_BUNDLE(target))
			pSetupComp->SetupFlags |=
				HTC_SETUP_COMPLETE_FLAGS_ENABLE_BUNDLE_RECV;
#endif /* ENABLE_BUNDLE_RX */
#endif /* HIF_SDIO */

		SET_HTC_PACKET_INFO_TX(pSendPacket,
				       NULL,
				       (A_UINT8 *) pSetupComp,
				       sizeof(HTC_SETUP_COMPLETE_EX_MSG),
				       ENDPOINT_0, HTC_SERVICE_TX_PACKET_TAG);

		status = htc_send_pkt((HTC_HANDLE) target, pSendPacket);
		if (A_FAILED(status)) {
			break;
		}

	} while (false);

	AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("htc_start Exit\n"));
	return status;
}

A_STATUS HTCConnectService(HTC_HANDLE               HTCHandle,
                           HTC_SERVICE_CONNECT_REQ  *pConnectReq,
                           HTC_SERVICE_CONNECT_RESP *pConnectResp)
{
    HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle);
    A_STATUS                            status = A_OK;
    HTC_PACKET                          *pRecvPacket = NULL;
    HTC_PACKET                          *pSendPacket = NULL;
    HTC_CONNECT_SERVICE_RESPONSE_MSG    *pResponseMsg;
    HTC_CONNECT_SERVICE_MSG             *pConnectMsg;
    HTC_ENDPOINT_ID                     assignedEndpoint = ENDPOINT_MAX;
    HTC_ENDPOINT                        *pEndpoint;
    unsigned int                        maxMsgSize = 0;

    AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("+HTCConnectService, target:0x%X SvcID:0x%X \n",
               (A_UINT32)target, pConnectReq->ServiceID));

    do {

        AR_DEBUG_ASSERT(pConnectReq->ServiceID != 0);

        if (HTC_CTRL_RSVD_SVC == pConnectReq->ServiceID) {
                /* special case for pseudo control service */
            assignedEndpoint = ENDPOINT_0;
            maxMsgSize = HTC_MAX_CONTROL_MESSAGE_LENGTH;
        } else {
                /* allocate a packet to send to the target */
            pSendPacket = HTC_ALLOC_CONTROL_TX(target);

            if (NULL == pSendPacket) {
                AR_DEBUG_ASSERT(FALSE);
                status = A_NO_MEMORY;
                break;
            }
                /* assemble connect service message */
            pConnectMsg = (HTC_CONNECT_SERVICE_MSG *)pSendPacket->pBuffer;
            AR_DEBUG_ASSERT(pConnectMsg != NULL);
            A_MEMZERO(pConnectMsg,sizeof(HTC_CONNECT_SERVICE_MSG));
            pConnectMsg->MessageID = HTC_MSG_CONNECT_SERVICE_ID;
            pConnectMsg->ServiceID = pConnectReq->ServiceID;
            pConnectMsg->ConnectionFlags = pConnectReq->ConnectionFlags;
                /* check caller if it wants to transfer meta data */
            if ((pConnectReq->pMetaData != NULL) &&
                (pConnectReq->MetaDataLength <= HTC_SERVICE_META_DATA_MAX_LENGTH)) {
                    /* copy meta data into message buffer (after header ) */
                A_MEMCPY((A_UINT8 *)pConnectMsg + sizeof(HTC_CONNECT_SERVICE_MSG),
                         pConnectReq->pMetaData,
                         pConnectReq->MetaDataLength);
                pConnectMsg->ServiceMetaLength = pConnectReq->MetaDataLength;
            }

            SET_HTC_PACKET_INFO_TX(pSendPacket,
                                   NULL,
                                   (A_UINT8 *)pConnectMsg,
                                   sizeof(HTC_CONNECT_SERVICE_MSG) + pConnectMsg->ServiceMetaLength,
                                   ENDPOINT_0,
                                   HTC_SERVICE_TX_PACKET_TAG);

                /* we want synchronous operation */
            pSendPacket->Completion = NULL;
            HTC_PREPARE_SEND_PKT(pSendPacket,0,0,0);
            status = HTCIssueSend(target,pSendPacket);

            if (A_FAILED(status)) {
                break;
            }

                /* wait for response */
            status = HTCWaitforControlMessage(target, &pRecvPacket);

            if (A_FAILED(status)) {
                break;
            }
                /* we controlled the buffer creation so it has to be properly aligned */
            pResponseMsg = (HTC_CONNECT_SERVICE_RESPONSE_MSG *)pRecvPacket->pBuffer;

            if ((pResponseMsg->MessageID != HTC_MSG_CONNECT_SERVICE_RESPONSE_ID) ||
                (pRecvPacket->ActualLength < sizeof(HTC_CONNECT_SERVICE_RESPONSE_MSG))) {
                    /* this message is not valid */
                AR_DEBUG_ASSERT(FALSE);
                status = A_EPROTO;
                break;
            }

            pConnectResp->ConnectRespCode = pResponseMsg->Status;
                /* check response status */
            if (pResponseMsg->Status != HTC_SERVICE_SUCCESS) {
                AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
                    (" Target failed service 0x%X connect request (status:%d)\n",
                                pResponseMsg->ServiceID, pResponseMsg->Status));
                status = A_EPROTO;
                break;
            }

            assignedEndpoint = (HTC_ENDPOINT_ID) pResponseMsg->EndpointID;
            maxMsgSize = pResponseMsg->MaxMsgSize;

            if ((pConnectResp->pMetaData != NULL) &&
                (pResponseMsg->ServiceMetaLength > 0) &&
                (pResponseMsg->ServiceMetaLength <= HTC_SERVICE_META_DATA_MAX_LENGTH)) {
//.........这里部分代码省略.........

static int hifDeviceInserted(struct sdio_func *func, const struct sdio_device_id *id)
{
    int ret;
    HIF_DEVICE * device;
    int count;
    struct task_struct* startup_task_struct;

    AR_DEBUG_PRINTF(ATH_DEBUG_TRACE,
		    ("AR6000: hifDeviceInserted, Function: 0x%X, Vendor ID: 0x%X, Device ID: 0x%X, block size: 0x%X/0x%X\n",
		     func->num, func->vendor, func->device, func->max_blksize, func->cur_blksize));

    addHifDevice(func);
    device = getHifDevice(func);

    spin_lock_init(&device->lock);

    spin_lock_init(&device->asynclock);
    
    DL_LIST_INIT(&device->ScatterReqHead);
    
    if (!nohifscattersupport) {
            /* try to allow scatter operation on all instances,
             * unless globally overridden */
        device->scatter_enabled = TRUE;
    }
    
        /* enable the SDIO function */
    AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: claim\n"));
    sdio_claim_host(func);
    AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: enable\n"));

    if ((id->device & MANUFACTURER_ID_AR6K_BASE_MASK) >= MANUFACTURER_ID_AR6003_BASE) {
        /* enable 4-bit ASYNC interrupt on AR6003 or later devices */    
        ret = Func0_CMD52WriteByte(func->card, CCCR_SDIO_IRQ_MODE_REG, SDIO_IRQ_MODE_ASYNC_4BIT_IRQ);
        if (ret) {
            AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("AR6000: failed to enable 4-bit ASYNC IRQ mode %d \n",ret));    
            sdio_release_host(func);
            return ret;
        }
        AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: 4-bit ASYNC IRQ mode enabled\n"));   
    }
    
    
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
    /* give us some time to enable, in ms */
    func->enable_timeout = 100;
#endif
    ret = sdio_enable_func(func);
    if (ret) {
        AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), Unable to enable AR6K: 0x%X\n",
					  __FUNCTION__, ret)); 
        sdio_release_host(func);
        return ret;
    }
    AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: set block size 0x%X\n", HIF_MBOX_BLOCK_SIZE));
    ret = sdio_set_block_size(func, HIF_MBOX_BLOCK_SIZE);
    sdio_release_host(func);
    if (ret) {
        AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), Unable to set block size 0x%x  AR6K: 0x%X\n",
					  __FUNCTION__, HIF_MBOX_BLOCK_SIZE, ret));
        return ret;
    }
    /* Initialize the bus requests to be used later */
    A_MEMZERO(device->busRequest, sizeof(device->busRequest));
    for (count = 0; count < BUS_REQUEST_MAX_NUM; count ++) {
        sema_init(&device->busRequest[count].sem_req, 0);
        hifFreeBusRequest(device, &device->busRequest[count]);
    }

    /* create async I/O thread */
    device->async_shutdown = 0;
    device->async_task = kthread_create(async_task,
                                       (void *)device,
                                       "AR6K Async");
    if (IS_ERR(device->async_task)) {
        AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), to create async task\n", __FUNCTION__));
        return A_ERROR;
    }
    AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: start async task\n"));
    sema_init(&device->sem_async, 0);
    wake_up_process(device->async_task );

    /* create startup thread */
    startup_task_struct = kthread_create(startup_task,
                                  (void *)device,
                                  "AR6K startup");
    if (IS_ERR(startup_task_struct)) {
        AR_DEBUG_PRINTF(ATH_DEBUG_ERROR, ("AR6000: %s(), to create startup task\n", __FUNCTION__));
        return A_ERROR;
    }
    AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: start startup task\n"));
    wake_up_process(startup_task_struct);

    AR_DEBUG_PRINTF(ATH_DEBUG_TRACE, ("AR6000: return %d\n", ret));
    return ret;
}

/* Internal functions */
static void *
WlanEventThread(void *arg)
{
    int left, ret, sd;
    struct timeval tv;
    socklen_t fromlen;
    struct nlmsghdr *h;
    fd_set readfds, tempfds;
    char buf[WLAN_EVENT_SIZE_MAX];
    struct sockaddr_nl from, local;
    ABF_WLAN_INFO *pAbfWlanInfo = (ABF_WLAN_INFO *)arg;
    ATHBT_FILTER_INFO *pInfo = pAbfWlanInfo->pInfo;
    ATH_BT_FILTER_INSTANCE *pInstance = pInfo->pInstance;
    A_STATUS status;
    
    A_INFO("Starting the WLAN Event Handler task\n");

    A_INFO("Checking WLAN adapter on startup .. \n");

    if (!pInstance->pWlanAdapterName) {
        Abf_WlanCheckSettings(pAbfWlanInfo->IfName, NULL);
        if (pAbfWlanInfo->IfName[0]) {
            pAbfWlanInfo->IfIndex = if_nametoindex(pAbfWlanInfo->IfName);
        }
    }
    status = AcquireWlanAdapter(pAbfWlanInfo);
 
    if (A_FAILED(status)) {
        A_INFO("No WLAN adapter on startup (OKAY) \n");
    }else {
        /* Communicate this to the Filter task */
        HandleAdapterEvent(pInfo, ATH_ADAPTER_ARRIVED);
        A_INFO("WLAN Adapter Added\n");
    }


    do {
        sd = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
        if (sd < 0) {
            A_ERR("[%s] socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE): %d\n", 
                  __FUNCTION__, sd);
            break;
        }

        A_MEMZERO(&local, sizeof(struct sockaddr_nl));
        local.nl_family = AF_NETLINK;
        local.nl_groups = RTMGRP_LINK;
        if ((ret = bind(sd, (struct sockaddr *) &local, sizeof(local))) < 0) {
            A_ERR("[%s] bind(netlink): %d\n", __FUNCTION__, ret);
            close(sd);
            break;
        }

        FD_ZERO(&readfds);
        FD_SET(sd, &readfds);
        while (pAbfWlanInfo->Loop) {
            A_MEMCPY(&tempfds, &readfds, sizeof(fd_set));
            tv.tv_sec = 1;
            tv.tv_usec = 0;
            ret = select(sd+1, &tempfds, NULL, NULL, &tv);
            if ((ret < 0) && (errno != EINTR)) {
                A_ERR("[%s] select failed: %d\n", __FUNCTION__, ret);
                break;
            } else if ((ret > 0) && (FD_ISSET(sd, &tempfds))) {
                fromlen = sizeof(from);
                do {
                    left = recvfrom(sd, buf, sizeof(buf), 0,
                                    (struct sockaddr *) &from, &fromlen);
                } while (left == -1 && errno == EINTR);

                if (left < 0) {
                    A_ERR("[%s] recvfrom(netlink)\n", __FUNCTION__);
                    continue;
                 //   break;
                }

                h = (struct nlmsghdr *) buf;
                while (left >= sizeof(*h)) {
                    int len, plen;

                    len = h->nlmsg_len;
                    plen = len - sizeof(*h);
                    if (len > left || plen < 0) {
                        A_ERR("[%s] malformed netlink message\n", __FUNCTION__);
                        continue;
                    }

                    //A_DEBUG("RTM Message Type: %s\n", 
                    //        ((h->nlmsg_type == RTM_NEWLINK) ? 
                    //         "RTM_NEWLINK" : ((h->nlmsg_type == RTM_DELLINK) ? 
                    //         "RTM_DELLINK" : "RTM_OTHER")));
                    switch (h->nlmsg_type) {
                    case RTM_NEWLINK:
                        NewLinkEvent(pInstance, h, plen);
                        break;
                    case RTM_DELLINK:
                        DelLinkEvent(pInstance, h, plen);
                        break;
                    default:
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        if (ssid_len>0) {
            A_UINT8 idx; /* Clean up the last specific scan items */
            for (idx=index; idx<arSta->scanSpecificSsid; ++idx) {
                wmi_probedSsid_cmd(arPriv->arWmi, idx, DISABLE_SSID_FLAG, 0, NULL);
            }
            arSta->scanSpecificSsid = index;
            /* 
             * There is no way to know when we need to send broadcast probe in current Android wpa_supplicant_6 
             * combo scan implemenation. Always force to sent it here uniti future Android version will set
             * the broadcast flags for combo scan.
             */
#if 0
            if (broadcastSsid)
#endif
            {
                /* setup the last index as broadcast SSID for combo scan */
                ++arSta->scanSpecificSsid;
                wmi_probedSsid_cmd(arPriv->arWmi, index, ANY_SSID_FLAG, 0, NULL);
            }
        }

        if (pas_dwell>0) {
            /* TODO: Should we change our passive dwell? There may be some impact for bt-coex */
        }

        if (home_dwell>0) {
            /* TODO: Should we adjust home_dwell? How to pass it to wext handler? */
        }

        if (setScan) {
            union iwreq_data miwr;
            struct iw_request_info minfo;
            struct iw_scan_req scanreq, *pScanReq = NULL;
            A_MEMZERO(&minfo, sizeof(minfo));
            A_MEMZERO(&miwr, sizeof(miwr));            
            A_MEMZERO(&scanreq, sizeof(scanreq));
            if (ssid_len > 0) {
                pScanReq = &scanreq;
                memcpy(scanreq.essid, ssid, ssid_len);
                scanreq.essid_len = ssid_len;
                miwr.data.flags |= IW_SCAN_THIS_ESSID;
            }
            if (ch > 0) {
                pScanReq = &scanreq;
                scanreq.num_channels = ch;
                memcpy(scanreq.channel_list, chList, ch * sizeof(chList[0]));
                miwr.data.flags |= IW_SCAN_THIS_FREQ;
            }
            if (pScanReq) {
                miwr.data.pointer = (__force void __user *)&scanreq;
                miwr.data.length = sizeof(scanreq);
            }
            minfo.cmd = SIOCSIWSCAN;
            return setScan(dev, &minfo, &miwr, (char*)pScanReq);
        }
        return -1;
    } else if (strcasecmp(cmd, "MACADDR")==0) {
        /* reply comes back in the form "Macaddr = XX:XX:XX:XX:XX:XX" where XX */
        A_UCHAR *mac = dev->dev_addr;
        len = snprintf(buf, data->length, "Macaddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
                        mac[0], mac[1], mac[2],
                        mac[3], mac[4], mac[5]) + 1;
        return (copy_to_user(data->pointer, buf, len)==0) ? len : -1;
    } else if (strcasecmp(cmd, "SCAN-ACTIVE")==0) {
        return 0; /* unsupport function. Suppress the error */
    } else if (strcasecmp(cmd, "SCAN-PASSIVE")==0) {

int DevGMboxSetTargetInterrupt(struct ar6k_device *pDev, int Signal, int AckTimeoutMS)
{
    int status = 0;
    int      i;
    u8 buffer[4];
    
    A_MEMZERO(buffer, sizeof(buffer));
    
    do {
        
        if (Signal >= MBOX_SIG_HCI_BRIDGE_MAX) {
            status = A_EINVAL;
            break;    
        }
        
            /* set the last buffer to do the actual signal trigger */
        buffer[3] = (1 << Signal);
        
        status = HIFReadWrite(pDev->HIFDevice,
                              INT_WLAN_ADDRESS,
                              buffer,
                              sizeof(buffer),
                              HIF_WR_SYNC_BYTE_FIX, /* hit the register 4 times to align the I/O */
                              NULL);    
                          
        if (status) {
            break;    
        }
        
    } while (false);
    
    
    if (!status) {
            /* now read back the register to see if the bit cleared */
        while (AckTimeoutMS) {        
            status = HIFReadWrite(pDev->HIFDevice,
                                  INT_WLAN_ADDRESS,
                                  buffer,
                                  sizeof(buffer),
                                  HIF_RD_SYNC_BYTE_FIX,
                                  NULL);    
                          
            if (status) {
                break;    
            }
                            
            for (i = 0; i < sizeof(buffer); i++) {
                if (buffer[i] & (1 << Signal)) {
                    /* bit is still set */
                    break;    
                }   
            }
            
            if (i >= sizeof(buffer)) {
                /* done */
                break;    
            }
            
            AckTimeoutMS--;
            A_MDELAY(1);  
        }
        
        if (0 == AckTimeoutMS) {
            AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
                ("DevGMboxSetTargetInterrupt : Ack Timed-out (sig:%d) \n",Signal));
            status = A_ERROR;    
        }        
    }
    
    return status;
    
}

int DevGMboxReadCreditCounter(struct ar6k_device *pDev, bool AsyncMode, int *pCredits)
{
    int    status = 0;
    struct htc_packet  *pIOPacket = NULL;  
    
    AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("+DevGMboxReadCreditCounter (%s) \n", AsyncMode ? "ASYNC" : "SYNC"));
                                            
    do {
        
        pIOPacket = AR6KAllocIOPacket(pDev);

        if (NULL == pIOPacket) {
            status = A_NO_MEMORY;
            A_ASSERT(false);
            break;
        }
        
        A_MEMZERO(pIOPacket->pBuffer,AR6K_REG_IO_BUFFER_SIZE);
      
        if (AsyncMode) {   
                /* stick in our completion routine when the I/O operation completes */
            pIOPacket->Completion = DevGMboxReadCreditsAsyncHandler;
            pIOPacket->pContext = pDev;
                /* read registers asynchronously */
            HIFReadWrite(pDev->HIFDevice,
                         AR6K_GMBOX_CREDIT_DEC_ADDRESS,
                         pIOPacket->pBuffer,
                         AR6K_REG_IO_BUFFER_SIZE,  /* hit the register multiple times */
                         HIF_RD_ASYNC_BYTE_FIX,
                         pIOPacket);
            pIOPacket = NULL;
            break;
        } 

        pIOPacket->Completion = NULL;
            /* if we get here we are doing it synchronously */
        status = HIFReadWrite(pDev->HIFDevice,
                              AR6K_GMBOX_CREDIT_DEC_ADDRESS,
                              pIOPacket->pBuffer,
                              AR6K_REG_IO_BUFFER_SIZE,
                              HIF_RD_SYNC_BYTE_FIX,
                              NULL);    
    } while (false);
    
    if (status) {
        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
                (" DevGMboxReadCreditCounter failed! status:%d \n", status));          
    }
    
    if (pIOPacket != NULL) {
        if (!status) {
                /* sync mode processing */
            *pCredits = ProcessCreditCounterReadBuffer(pIOPacket->pBuffer, AR6K_REG_IO_BUFFER_SIZE);     
        }
        AR6KFreeIOPacket(pDev,pIOPacket);
    }
    
    AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("-DevGMboxReadCreditCounter (%s) (%d) \n", 
            AsyncMode ? "ASYNC" : "SYNC", status));
    
    return status;
}

A_STATUS wmi_control_rx(A_UINT8 *pBuffer, int Length)
{
    WMI_CMD_HDR *cmd;
    A_UINT16 id;
    A_UINT8 *datap;
    A_UINT32 len;
    A_STATUS status = A_OK;
    A_CHAR *pWmiDumpStr = "WMI message payload";

    if (Length < sizeof(WMI_CMD_HDR)) { 
        AR_DEBUG_PRINTF(ATH_DEBUG_ERR, 
               ("WMI: invalid length: %d \n",Length));
        return A_ERROR;
    }

    cmd = (WMI_CMD_HDR *)pBuffer;
    id = cmd->commandId;
    datap = pBuffer + sizeof(WMI_CMD_HDR);
    len = Length - sizeof(WMI_CMD_HDR);
    
    AR_DEBUG_PRINTF(ATH_DEBUG_WMI, ("---- WMI recv, MsgNo %d, Event ID: 0x%X (%d) ---------------------------\n", 
            cmdRecvNum, id , id));
            
    cmdRecvNum++;
    
    switch (id) {
   
        case (WMI_READY_EVENTID):
            {
                WMI_READY_EVENT *ev = (WMI_READY_EVENT *)datap;
                AR_DEBUG_PRINTF(ATH_DEBUG_WMI,("WMI_READY_EVENTID\n"));
                if (len < sizeof(WMI_READY_EVENT)) {
                    return A_EINVAL;
                }
                A_MEMCPY(g_MACAddress, ev->macaddr, ATH_MAC_LEN);          
                ar6000_ready_event(ev->macaddr, ev->phyCapability);

            }
            break;
     
        case (WMI_CONNECT_EVENTID):
            {
                WMI_CONNECT_EVENT *ev;
                
                AR_DEBUG_PRINTF(ATH_DEBUG_WMI,("WMI_CONNECT_EVENTID \n"));
                
                if (len < sizeof(WMI_CONNECT_EVENT)) {
                    return A_EINVAL;
                }
                ev = (WMI_CONNECT_EVENT *)datap;
                            
                A_MEMCPY(g_bssid, ev->bssid, ATH_MAC_LEN);
            
                ar6000_connect_event(ev->channel, ev->bssid,
                                     ev->listenInterval, ev->beaconInterval,
                                     ev->networkType, ev->beaconIeLen,
                                     ev->assocReqLen, ev->assocRespLen,
                                     ev->assocInfo);
            }                         
            break;
     
        case (WMI_DISCONNECT_EVENTID):
            {
                WMI_DISCONNECT_EVENT *ev;
            
                if (len < sizeof(WMI_DISCONNECT_EVENT)) {
                    return A_EINVAL;
                }
            
                ev = (WMI_DISCONNECT_EVENT *)datap;
            
                A_MEMZERO(g_bssid, ATH_MAC_LEN);
            
                ar6000_disconnect_event(ev->disconnectReason, ev->bssid,
                                        ev->assocRespLen, ev->assocInfo, ev->protocolReasonStatus);
            }
            break;
       
        case (WMI_REGDOMAIN_EVENTID):  
            {
                WMI_REG_DOMAIN_EVENT *ev;

                AR_DEBUG_PRINTF(ATH_DEBUG_WMI, ("WMI_REGDOMAIN_EVENTID\n"));      
                
                if (len < sizeof(*ev)) {
                    return A_EINVAL;
                }
                ev = (WMI_REG_DOMAIN_EVENT *)datap;
            
                ar6000_regDomain_event(ev->regDomain);
            }            
            
            break;
     
        case (WMI_EXTENSION_EVENTID):
            {
                A_UINT16 extId = datap[0] | ((A_UINT16)datap[1]) << 8;
                
                datap += sizeof(WMIX_CMD_HDR);
                len -= sizeof(WMIX_CMD_HDR);
//.........这里部分代码省略.........

A_STATUS ar6000_setup_hci(AR_SOFTC_T *ar)
#endif
{
    HCI_TRANSPORT_CONFIG_INFO config;
    A_STATUS                  status = A_OK;
    int                       i;
    HTC_PACKET                *pPacket;
    AR6K_HCI_BRIDGE_INFO      *pHcidevInfo;
        
       
    do {
        
        pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)A_MALLOC(sizeof(AR6K_HCI_BRIDGE_INFO));
        
        if (NULL == pHcidevInfo) {
            status = A_NO_MEMORY;
            break;    
        }
        
        A_MEMZERO(pHcidevInfo, sizeof(AR6K_HCI_BRIDGE_INFO));
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
        g_pHcidevInfo = pHcidevInfo;
        pHcidevInfo->HCITransHdl = *(HCI_TRANSPORT_MISC_HANDLES *)ar;
#else
        ar->hcidev_info = pHcidevInfo;
        pHcidevInfo->ar = ar;
#endif
        spin_lock_init(&pHcidevInfo->BridgeLock);
        INIT_HTC_PACKET_QUEUE(&pHcidevInfo->HTCPacketStructHead);

        ar->exitCallback = AR3KConfigureExit;
    
        status = bt_setup_hci(pHcidevInfo);
        if (A_FAILED(status)) {
            break;    
        }
        
        if (pHcidevInfo->HciNormalMode) {      
            AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: running in normal mode... \n"));    
        } else {
            AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE, ("HCI Bridge: running in test mode... \n"));     
        }
        
        pHcidevInfo->pHTCStructAlloc = (A_UINT8 *)A_MALLOC((sizeof(HTC_PACKET)) * NUM_HTC_PACKET_STRUCTS);
        
        if (NULL == pHcidevInfo->pHTCStructAlloc) {
            status = A_NO_MEMORY;
            break;    
        }
        
        pPacket = (HTC_PACKET *)pHcidevInfo->pHTCStructAlloc;
        for (i = 0; i < NUM_HTC_PACKET_STRUCTS; i++,pPacket++) {
            FreeHTCStruct(pHcidevInfo,pPacket);                
        }
        
        A_MEMZERO(&config,sizeof(HCI_TRANSPORT_CONFIG_INFO));        
        config.ACLRecvBufferWaterMark = MAX_ACL_RECV_BUFS / 2;
        config.EventRecvBufferWaterMark = MAX_EVT_RECV_BUFS / 2;
        config.MaxSendQueueDepth = MAX_HCI_WRITE_QUEUE_DEPTH;
        config.pContext = pHcidevInfo;    
        config.TransportFailure = ar6000_hci_transport_failure;
        config.TransportReady = ar6000_hci_transport_ready;
        config.TransportRemoved = ar6000_hci_transport_removed;
        config.pHCISendComplete = ar6000_hci_send_complete;
        config.pHCIPktRecv = ar6000_hci_pkt_recv;
        config.pHCIPktRecvRefill = ar6000_hci_pkt_refill;
        config.pHCISendFull = ar6000_hci_pkt_send_full;
       
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
        pHcidevInfo->pHCIDev = HCI_TransportAttach(pHcidevInfo->HCITransHdl.htcHandle, &config);
#else
        pHcidevInfo->pHCIDev = HCI_TransportAttach(ar->arHtcTarget, &config);
#endif

        if (NULL == pHcidevInfo->pHCIDev) {
            status = A_ERROR;      
        }
    
    } while (FALSE);
    
    if (A_FAILED(status)) {
        if (pHcidevInfo != NULL) {
            if (NULL == pHcidevInfo->pHCIDev) {
                /* GMBOX may not be present in older chips */
                /* just return success */ 
                status = A_OK;
            }
        }
        ar6000_cleanup_hci(ar);    
    }
    
    return status;
}

static A_STATUS ar6000_hci_transport_ready(HCI_TRANSPORT_HANDLE     HCIHandle, 
                                           HCI_TRANSPORT_PROPERTIES *pProps, 
                                           void                     *pContext)
{
    AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext;
    A_STATUS              status;
    AR_SOFTC_DEV_T *arDev = pHcidevInfo->ar->arDev[0];

    
    pHcidevInfo->pHCIDev = HCIHandle;
    
    A_MEMCPY(&pHcidevInfo->HCIProps,pProps,sizeof(*pProps));
    
    AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE,("HCI ready (hci:0x%lX, headroom:%d, tailroom:%d blockpad:%d) \n", 
            (unsigned long)HCIHandle, 
            pHcidevInfo->HCIProps.HeadRoom, 
            pHcidevInfo->HCIProps.TailRoom,
            pHcidevInfo->HCIProps.IOBlockPad));
    
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
    A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice)->hard_header_len);
#else
    A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= arDev->arNetDev->hard_header_len);
#endif
                             
        /* provide buffers */
    RefillRecvBuffers(pHcidevInfo, HCI_ACL_TYPE, MAX_ACL_RECV_BUFS);
    RefillRecvBuffers(pHcidevInfo, HCI_EVENT_TYPE, MAX_EVT_RECV_BUFS);
   
    do {
            /* start transport */
        status = HCI_TransportStart(pHcidevInfo->pHCIDev);
         
        if (A_FAILED(status)) {
            break;    
        }
        
        if (!pHcidevInfo->HciNormalMode) {
                /* in test mode, no need to go any further */
            break;    
        }

        /* The delay is required when AR6K is driving the BT reset line */
        /* where time is needed after the BT chip is out of reset (HCI_TransportStart) */
        /* and before the first HCI command is issued (AR3KConfigure) */
        /* FIXME */
        /* The delay should be configurable and be only applied when AR6K driving the BT */
        /* reset line. This could be done by some module parameter or based on some HW config */
        /* info. For now apply 100ms delay blindly */
        A_MDELAY(100);
        
        A_MEMZERO(&ar3kconfig,sizeof(ar3kconfig));
        ar3kconfig.pHCIDev = pHcidevInfo->pHCIDev;
        ar3kconfig.pHCIProps = &pHcidevInfo->HCIProps;
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
        ar3kconfig.pHIFDevice = (HIF_DEVICE *)(pHcidevInfo->HCITransHdl.hifDevice);
#else
        ar3kconfig.pHIFDevice = pHcidevInfo->ar->arHifDevice;
#endif
        ar3kconfig.pBtStackHCIDev = pHcidevInfo->pBtStackHCIDev;
        
        if (ar3khcibaud != 0) {
                /* user wants ar3k baud rate change */
            ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR3K_BAUD;
            ar3kconfig.Flags |= AR3K_CONFIG_FLAG_AR3K_BAUD_CHANGE_DELAY;
            ar3kconfig.AR3KBaudRate = ar3khcibaud;    
        }
        
        if ((hciuartscale != 0) || (hciuartstep != 0)) {   
                /* user wants to tune HCI bridge UART scale/step values */
            ar3kconfig.AR6KScale = (A_UINT16)hciuartscale;
            ar3kconfig.AR6KStep = (A_UINT16)hciuartstep;           
            ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR6K_SCALE_STEP;
        }
        
            /* configure the AR3K device */  
		memcpy(ar3kconfig.bdaddr,arDev->bdaddr,6);       
        status = AR3KConfigure(&ar3kconfig);
        if (A_FAILED(status)) {
            extern unsigned int setuphci;
            AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: Fail to configure AR3K. No device? Cleanup HCI\n"));
            pHcidevInfo->ar->exitCallback = NULL;
            ar6000_cleanup_hci(pHcidevInfo->ar);
            setuphci = 0;
            pHcidevInfo->ar->arBTSharing = 0;
            break; 
        }

        /* Make sure both AR6K and AR3K have power management enabled */
        if (ar3kconfig.PwrMgmtEnabled) {
            A_UINT32 address, hci_uart_pwr_mgmt_params;
            /* Fetch the address of the hi_hci_uart_pwr_mgmt_params instance in the host interest area */
            address = TARG_VTOP(pHcidevInfo->ar->arTargetType, 
                                HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar->arTargetType, hi_hci_uart_pwr_mgmt_params));
            status = ar6000_ReadRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params);
            hci_uart_pwr_mgmt_params &= 0xFFFF;
            /* wakeup timeout is [31:16] */
            hci_uart_pwr_mgmt_params |= (ar3kconfig.WakeupTimeout << 16);
            status |= ar6000_WriteRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params);
            if (A_OK != status) {
//.........这里部分代码省略.........

NDIS_STATUS
busDriverInit (NDIS_HANDLE miniportHandle, 
               NDIS_HANDLE wrapperConfigurationContext, 
               A_UINT32   sysIntr,
               BUS_DRIVER_HANDLE *busDriverHandle)
{
    PNDIS_RESOURCE_LIST pNdisResourceList;
    PCM_PARTIAL_RESOURCE_DESCRIPTOR pResourceDesc;
    NDIS_PHYSICAL_ADDRESS           physicalAddress;
    A_UINT32						bufferSize;
    A_UINT32						dwResourceCount;
    NDIS_STATUS                     status=NDIS_STATUS_FAILURE;
    A_UINT32						addressSpace;

    *busDriverHandle = NULL;
    
    HIF_DEBUG_PRINTF(ATH_LOG_TRC,
                        "ar6000CFBusInit: Enter \n");

    cfDevice = A_MALLOC(sizeof(CF_DEVICE));
    if (cfDevice == NULL) {
        HIF_DEBUG_PRINTF(ATH_LOG_ERR,
            "ar6000CFBusInit: Allocate Memory for CF_DEVICE failed\n");
        return status; 
	}
    A_MEMZERO(cfDevice,sizeof(CF_DEVICE));

    cfDevice->miniportHandle = miniportHandle;
    cfDevice->wrapperConfigurationContext=wrapperConfigurationContext;

	pNdisResourceList = NULL;
	bufferSize = 0;

	//	First call is just to determine buffer size
    NdisMQueryAdapterResources(
            &status,
            wrapperConfigurationContext,
            pNdisResourceList,
            &bufferSize);

    pNdisResourceList = A_MALLOC(bufferSize);

    if (pNdisResourceList == NULL) {
        HIF_DEBUG_PRINTF(ATH_LOG_ERR, 
            "ar6000CFBusInit: AllocateMemory for NDIS_RESOURCE_LIST failed\n");
        A_FREE(cfDevice);
        return NDIS_STATUS_FAILURE;
    }

    NdisMQueryAdapterResources(
            &status,
            wrapperConfigurationContext,
            pNdisResourceList,
            &bufferSize);

    if (status != NDIS_STATUS_SUCCESS) {
        HIF_DEBUG_PRINTF(ATH_LOG_ERR, 
            "ar6000CFBusInit: NdisMQueryAdapterResources failed \n");
        A_FREE(pNdisResourceList);
        A_FREE(cfDevice);
        return status; 
    }

    /* Search for I/O address and IRQ in assigned resources. */
    
    dwResourceCount = pNdisResourceList->Count;
    pResourceDesc = &(pNdisResourceList->PartialDescriptors[0]);

    while (dwResourceCount--) {
        switch(pResourceDesc->Type) {
            case CmResourceTypeInterrupt:
                cfDevice->interruptNumber = 
                    pResourceDesc->u.Interrupt.Vector;
                HIF_DEBUG_PRINTF(ATH_LOG_INF,
                    "ar6000CFBusInit: Interrupt Number = %u\n", cfDevice->interruptNumber);
                break;

            case CmResourceTypeMemory:
                cfDevice->memLen = pResourceDesc->u.Memory.Length;
                cfDevice->deviceMemBase = pResourceDesc->u.Memory.Start.LowPart;
                HIF_DEBUG_PRINTF(ATH_LOG_INF,
				    "ar6000CFBusInit: Physical Address = %x Length = %x\n", 
                        cfDevice->deviceMemBase,cfDevice->memLen);
                break;
        
            default:
                HIF_DEBUG_PRINTF(ATH_LOG_ERR,
                    "ar6000CFBusInit: Unexpected assigned resource type %u\n", 
                    pResourceDesc->Type);
                break;
        }
        pResourceDesc++;
    }

    A_FREE(pNdisResourceList);

    cfDevice->sysIntr =  sysIntr;
    HIF_DEBUG_PRINTF(ATH_LOG_INF,
        "ar6000CFBusInit: sysIntr = %u\n", cfDevice->sysIntr);
    
//.........这里部分代码省略.........

int ar6000_htc_raw_open(AR_SOFTC_T *ar)
{
    A_STATUS status;
    int streamID, endPt, count2;
    raw_htc_buffer *buffer;
    HTC_SERVICE_ID servicepriority;
    AR_RAW_HTC_T *arRaw = ar->arRawHtc;
    if (!arRaw) {
        arRaw = ar->arRawHtc = A_MALLOC(sizeof(AR_RAW_HTC_T));
        if (arRaw) {
            A_MEMZERO(arRaw, sizeof(AR_RAW_HTC_T));
        }
    }
    A_ASSERT(ar->arHtcTarget != NULL);
    if (!arRaw) {
        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Faile to allocate memory for HTC RAW interface\n"));
        return -ENOMEM;
    }
    /* wait for target */
    status = HTCWaitTarget(ar->arHtcTarget);

    if (A_FAILED(status)) {
        AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HTCWaitTarget failed (%d)\n", status));
        return -ENODEV;
    }

    for (endPt = 0; endPt < ENDPOINT_MAX; endPt++) {
        arRaw->arEp2RawMapping[endPt] = HTC_RAW_STREAM_NOT_MAPPED;
    }

    for (streamID = HTC_RAW_STREAM_0; streamID < HTC_RAW_STREAM_NUM_MAX; streamID++) {
        /* Initialize the data structures */
        init_MUTEX(&arRaw->raw_htc_read_sem[streamID]);
        init_MUTEX(&arRaw->raw_htc_write_sem[streamID]);
        init_waitqueue_head(&arRaw->raw_htc_read_queue[streamID]);
        init_waitqueue_head(&arRaw->raw_htc_write_queue[streamID]);

        /* try to connect to the raw service */
        status = ar6000_connect_raw_service(ar,streamID);

        if (A_FAILED(status)) {
            break;
        }

        if (arRawStream2EndpointID(ar,streamID) == 0) {
            break;
        }

        for (count2 = 0; count2 < RAW_HTC_READ_BUFFERS_NUM; count2 ++) {
            /* Initialize the receive buffers */
            buffer = &arRaw->raw_htc_write_buffer[streamID][count2];
            memset(buffer, 0, sizeof(raw_htc_buffer));
            buffer = &arRaw->raw_htc_read_buffer[streamID][count2];
            memset(buffer, 0, sizeof(raw_htc_buffer));

            SET_HTC_PACKET_INFO_RX_REFILL(&buffer->HTCPacket,
                                          buffer,
                                          buffer->data,
                                          HTC_RAW_BUFFER_SIZE,
                                          arRawStream2EndpointID(ar,streamID));

            /* Queue buffers to HTC for receive */
            if ((status = HTCAddReceivePkt(ar->arHtcTarget, &buffer->HTCPacket)) != A_OK)
            {
                BMIInit();
                return -EIO;
            }
        }

        for (count2 = 0; count2 < RAW_HTC_WRITE_BUFFERS_NUM; count2 ++) {
            /* Initialize the receive buffers */
            buffer = &arRaw->raw_htc_write_buffer[streamID][count2];
            memset(buffer, 0, sizeof(raw_htc_buffer));
        }

        arRaw->read_buffer_available[streamID] = FALSE;
        arRaw->write_buffer_available[streamID] = TRUE;
    }

    if (A_FAILED(status)) {
        return -EIO;
    }

    AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("HTC RAW, number of streams the target supports: %d \n", streamID));

    servicepriority = HTC_RAW_STREAMS_SVC;  /* only 1 */

    /* set callbacks and priority list */
    HTCSetCreditDistribution(ar->arHtcTarget,
                             ar,
                             NULL,  /* use default */
                             NULL,  /* use default */
                             &servicepriority,
                             1);

    /* Start the HTC component */
    if ((status = HTCStart(ar->arHtcTarget)) != A_OK) {
        BMIInit();
        return -EIO;
    }
//.........这里部分代码省略.........

static int ar6000_hci_transport_ready(HCI_TRANSPORT_HANDLE     HCIHandle,
                                           struct hci_transport_properties *pProps, 
                                           void                     *pContext)
{
    struct ar6k_hci_bridge_info *pHcidevInfo = (struct ar6k_hci_bridge_info *)pContext;
    int              status;
    u32 address, hci_uart_pwr_mgmt_params;
//    struct ar3k_config_info      ar3kconfig;
    
    pHcidevInfo->pHCIDev = HCIHandle;
    
    memcpy(&pHcidevInfo->HCIProps,pProps,sizeof(*pProps));
    
    AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE,("HCI ready (hci:0x%lX, headroom:%d, tailroom:%d blockpad:%d) \n", 
            (unsigned long)HCIHandle, 
            pHcidevInfo->HCIProps.HeadRoom, 
            pHcidevInfo->HCIProps.TailRoom,
            pHcidevInfo->HCIProps.IOBlockPad));
    
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
    A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice)->hard_header_len);
#else
    A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= pHcidevInfo->ar->arNetDev->hard_header_len);
#endif
                             
        /* provide buffers */
    RefillRecvBuffers(pHcidevInfo, HCI_ACL_TYPE, MAX_ACL_RECV_BUFS);
    RefillRecvBuffers(pHcidevInfo, HCI_EVENT_TYPE, MAX_EVT_RECV_BUFS);
   
    do {
            /* start transport */
        status = HCI_TransportStart(pHcidevInfo->pHCIDev);
         
        if (status) {
            break;    
        }
        
        if (!pHcidevInfo->HciNormalMode) {
                /* in test mode, no need to go any further */
            break;    
        }

        // The delay is required when AR6K is driving the BT reset line
        // where time is needed after the BT chip is out of reset (HCI_TransportStart)
        // and before the first HCI command is issued (AR3KConfigure)
        // FIXME
        // The delay should be configurable and be only applied when AR6K driving the BT
        // reset line. This could be done by some module parameter or based on some HW config
        // info. For now apply 100ms delay blindly
        A_MDELAY(100);
        
        A_MEMZERO(&ar3kconfig,sizeof(ar3kconfig));
        ar3kconfig.pHCIDev = pHcidevInfo->pHCIDev;
        ar3kconfig.pHCIProps = &pHcidevInfo->HCIProps;
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
        ar3kconfig.pHIFDevice = (struct hif_device *)(pHcidevInfo->HCITransHdl.hifDevice);
#else
        ar3kconfig.pHIFDevice = pHcidevInfo->ar->arHifDevice;
#endif
        ar3kconfig.pBtStackHCIDev = pHcidevInfo->pBtStackHCIDev;
        
        if (ar3khcibaud != 0) {
                /* user wants ar3k baud rate change */
            ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR3K_BAUD;
            ar3kconfig.Flags |= AR3K_CONFIG_FLAG_AR3K_BAUD_CHANGE_DELAY;
            ar3kconfig.AR3KBaudRate = ar3khcibaud;    
        }
        
        if ((hciuartscale != 0) || (hciuartstep != 0)) {   
                /* user wants to tune HCI bridge UART scale/step values */
            ar3kconfig.AR6KScale = (u16)hciuartscale;
            ar3kconfig.AR6KStep = (u16)hciuartstep;
            ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR6K_SCALE_STEP;
        }
        
        /* Fetch the address of the hi_hci_uart_pwr_mgmt_params instance in the host interest area */
        address = TARG_VTOP(pHcidevInfo->ar->arTargetType, 
                            HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar, hi_hci_uart_pwr_mgmt_params));
        status = ar6000_ReadRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params);
        if (0 == status) {
            ar3kconfig.PwrMgmtEnabled = (hci_uart_pwr_mgmt_params & 0x1);
            ar3kconfig.IdleTimeout = (hci_uart_pwr_mgmt_params & 0xFFFF0000) >> 16;
            ar3kconfig.WakeupTimeout = (hci_uart_pwr_mgmt_params & 0xFF00) >> 8;
        } else {
            AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to read hci_uart_pwr_mgmt_params! \n"));
        }
        /* configure the AR3K device */         
		memcpy(ar3kconfig.bdaddr,pHcidevInfo->ar->bdaddr,6);
        status = AR3KConfigure(&ar3kconfig);
        if (status) {
            break; 
        }

        /* Make sure both AR6K and AR3K have power management enabled */
        if (ar3kconfig.PwrMgmtEnabled) {
            status = HCI_TransportEnablePowerMgmt(pHcidevInfo->pHCIDev, true);
            if (status) {
                AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to enable TLPM for AR6K! \n"));
            }
        }
//.........这里部分代码省略.........