diff options
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/htc_services.c')
| -rw-r--r-- | target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/htc_services.c | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/htc_services.c b/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/htc_services.c deleted file mode 100644 index e5d50d16dd..0000000000 --- a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/htc/htc_services.c +++ /dev/null @@ -1,403 +0,0 @@ -/* - * - * Copyright (c) 2007 Atheros Communications Inc. - * All rights reserved. - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation; - * - * Software distributed under the License is distributed on an "AS - * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or - * implied. See the License for the specific language governing - * rights and limitations under the License. - * - * - * - */ - -#include "htc_internal.h" - -void HTCControlTxComplete(void *Context, HTC_PACKET *pPacket) -{ - /* not implemented - * we do not send control TX frames during normal runtime, only during setup */ - AR_DEBUG_ASSERT(FALSE); -} - - /* callback when a control message arrives on this endpoint */ -void HTCControlRecv(void *Context, HTC_PACKET *pPacket) -{ - AR_DEBUG_ASSERT(pPacket->Endpoint == ENDPOINT_0); - - /* the only control messages we are expecting are NULL messages (credit resports), which should - * never get here */ - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("HTCControlRecv, got message with length:%d \n", - pPacket->ActualLength + HTC_HDR_LENGTH)); - - /* dump header and message */ - DebugDumpBytes(pPacket->pBuffer - HTC_HDR_LENGTH, - pPacket->ActualLength + HTC_HDR_LENGTH, - "Unexpected ENDPOINT 0 Message"); - - HTC_RECYCLE_RX_PKT((HTC_TARGET*)Context,pPacket); -} - -A_STATUS HTCSendSetupComplete(HTC_TARGET *target) -{ - HTC_PACKET *pSendPacket = NULL; - A_STATUS status; - HTC_SETUP_COMPLETE_MSG *pSetupComplete; - - do { - /* allocate a packet to send to the target */ - pSendPacket = HTC_ALLOC_CONTROL_TX(target); - - if (NULL == pSendPacket) { - status = A_NO_MEMORY; - break; - } - - /* assemble setup complete message */ - pSetupComplete = (HTC_SETUP_COMPLETE_MSG *)pSendPacket->pBuffer; - A_MEMZERO(pSetupComplete,sizeof(HTC_SETUP_COMPLETE_MSG)); - pSetupComplete->MessageID = HTC_MSG_SETUP_COMPLETE_ID; - - SET_HTC_PACKET_INFO_TX(pSendPacket, - NULL, - (A_UINT8 *)pSetupComplete, - sizeof(HTC_SETUP_COMPLETE_MSG), - ENDPOINT_0, - HTC_SERVICE_TX_PACKET_TAG); - - /* we want synchronous operation */ - pSendPacket->Completion = NULL; - /* send the message */ - status = HTCIssueSend(target,pSendPacket,0); - - } while (FALSE); - - if (pSendPacket != NULL) { - HTC_FREE_CONTROL_TX(target,pSendPacket); - } - - 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; - 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; - - status = HTCIssueSend(target,pSendPacket,0); - - 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 = pResponseMsg->EndpointID; - maxMsgSize = pResponseMsg->MaxMsgSize; - - if ((pConnectResp->pMetaData != NULL) && - (pResponseMsg->ServiceMetaLength > 0) && - (pResponseMsg->ServiceMetaLength <= HTC_SERVICE_META_DATA_MAX_LENGTH)) { - /* caller supplied a buffer and the target responded with data */ - int copyLength = min((int)pConnectResp->BufferLength, (int)pResponseMsg->ServiceMetaLength); - /* copy the meta data */ - A_MEMCPY(pConnectResp->pMetaData, - ((A_UINT8 *)pResponseMsg) + sizeof(HTC_CONNECT_SERVICE_RESPONSE_MSG), - copyLength); - pConnectResp->ActualLength = copyLength; - } - - } - - /* the rest of these are parameter checks so set the error status */ - status = A_EPROTO; - - if (assignedEndpoint >= ENDPOINT_MAX) { - AR_DEBUG_ASSERT(FALSE); - break; - } - - if (0 == maxMsgSize) { - AR_DEBUG_ASSERT(FALSE); - break; - } - - pEndpoint = &target->EndPoint[assignedEndpoint]; - - if (pEndpoint->ServiceID != 0) { - /* endpoint already in use! */ - AR_DEBUG_ASSERT(FALSE); - break; - } - - /* return assigned endpoint to caller */ - pConnectResp->Endpoint = assignedEndpoint; - pConnectResp->MaxMsgLength = maxMsgSize; - - /* setup the endpoint */ - pEndpoint->ServiceID = pConnectReq->ServiceID; /* this marks the endpoint in use */ - pEndpoint->MaxTxQueueDepth = pConnectReq->MaxSendQueueDepth; - pEndpoint->MaxMsgLength = maxMsgSize; - /* copy all the callbacks */ - pEndpoint->EpCallBacks = pConnectReq->EpCallbacks; - INIT_HTC_PACKET_QUEUE(&pEndpoint->RxBuffers); - INIT_HTC_PACKET_QUEUE(&pEndpoint->TxQueue); - /* set the credit distribution info for this endpoint, this information is - * passed back to the credit distribution callback function */ - pEndpoint->CreditDist.ServiceID = pConnectReq->ServiceID; - pEndpoint->CreditDist.pHTCReserved = pEndpoint; - pEndpoint->CreditDist.Endpoint = assignedEndpoint; - pEndpoint->CreditDist.TxCreditSize = target->TargetCreditSize; - pEndpoint->CreditDist.TxCreditsPerMaxMsg = maxMsgSize / target->TargetCreditSize; - - if (0 == pEndpoint->CreditDist.TxCreditsPerMaxMsg) { - pEndpoint->CreditDist.TxCreditsPerMaxMsg = 1; - } - - status = A_OK; - - } while (FALSE); - - if (pSendPacket != NULL) { - HTC_FREE_CONTROL_TX(target,pSendPacket); - } - - if (pRecvPacket != NULL) { - HTC_FREE_CONTROL_RX(target,pRecvPacket); - } - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("-HTCConnectService \n")); - - return status; -} - -static void AddToEndpointDistList(HTC_TARGET *target, HTC_ENDPOINT_CREDIT_DIST *pEpDist) -{ - HTC_ENDPOINT_CREDIT_DIST *pCurEntry,*pLastEntry; - - if (NULL == target->EpCreditDistributionListHead) { - target->EpCreditDistributionListHead = pEpDist; - pEpDist->pNext = NULL; - pEpDist->pPrev = NULL; - return; - } - - /* queue to the end of the list, this does not have to be very - * fast since this list is built at startup time */ - pCurEntry = target->EpCreditDistributionListHead; - - while (pCurEntry) { - pLastEntry = pCurEntry; - pCurEntry = pCurEntry->pNext; - } - - pLastEntry->pNext = pEpDist; - pEpDist->pPrev = pLastEntry; - pEpDist->pNext = NULL; -} - - - -/* default credit init callback */ -static void HTCDefaultCreditInit(void *Context, - HTC_ENDPOINT_CREDIT_DIST *pEPList, - int TotalCredits) -{ - HTC_ENDPOINT_CREDIT_DIST *pCurEpDist; - int totalEps = 0; - int creditsPerEndpoint; - - pCurEpDist = pEPList; - /* first run through the list and figure out how many endpoints we are dealing with */ - while (pCurEpDist != NULL) { - pCurEpDist = pCurEpDist->pNext; - totalEps++; - } - - /* even distribution */ - creditsPerEndpoint = TotalCredits/totalEps; - - pCurEpDist = pEPList; - /* run through the list and set minimum and normal credits and - * provide the endpoint with some credits to start */ - while (pCurEpDist != NULL) { - - if (creditsPerEndpoint < pCurEpDist->TxCreditsPerMaxMsg) { - /* too many endpoints and not enough credits */ - AR_DEBUG_ASSERT(FALSE); - break; - } - /* our minimum is set for at least 1 max message */ - pCurEpDist->TxCreditsMin = pCurEpDist->TxCreditsPerMaxMsg; - /* this value is ignored by our credit alg, since we do - * not dynamically adjust credits, this is the policy of - * the "default" credit distribution, something simple and easy */ - pCurEpDist->TxCreditsNorm = 0xFFFF; - /* give the endpoint minimum credits */ - pCurEpDist->TxCredits = creditsPerEndpoint; - pCurEpDist->TxCreditsAssigned = creditsPerEndpoint; - pCurEpDist = pCurEpDist->pNext; - } - -} - -/* default credit distribution callback, NOTE, this callback holds the TX lock */ -void HTCDefaultCreditDist(void *Context, - HTC_ENDPOINT_CREDIT_DIST *pEPDistList, - HTC_CREDIT_DIST_REASON Reason) -{ - HTC_ENDPOINT_CREDIT_DIST *pCurEpDist; - - if (Reason == HTC_CREDIT_DIST_SEND_COMPLETE) { - pCurEpDist = pEPDistList; - /* simple distribution */ - while (pCurEpDist != NULL) { - if (pCurEpDist->TxCreditsToDist > 0) { - /* just give the endpoint back the credits */ - pCurEpDist->TxCredits += pCurEpDist->TxCreditsToDist; - pCurEpDist->TxCreditsToDist = 0; - } - pCurEpDist = pCurEpDist->pNext; - } - } - - /* note we do not need to handle the other reason codes as this is a very - * simple distribution scheme, no need to seek for more credits or handle inactivity */ -} - -void HTCSetCreditDistribution(HTC_HANDLE HTCHandle, - void *pCreditDistContext, - HTC_CREDIT_DIST_CALLBACK CreditDistFunc, - HTC_CREDIT_INIT_CALLBACK CreditInitFunc, - HTC_SERVICE_ID ServicePriorityOrder[], - int ListLength) -{ - HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(HTCHandle); - int i; - int ep; - - if (CreditInitFunc != NULL) { - /* caller has supplied their own distribution functions */ - target->InitCredits = CreditInitFunc; - AR_DEBUG_ASSERT(CreditDistFunc != NULL); - target->DistributeCredits = CreditDistFunc; - target->pCredDistContext = pCreditDistContext; - } else { - /* caller wants HTC to do distribution */ - /* if caller wants service to handle distributions then - * it must set both of these to NULL! */ - AR_DEBUG_ASSERT(CreditDistFunc == NULL); - target->InitCredits = HTCDefaultCreditInit; - target->DistributeCredits = HTCDefaultCreditDist; - target->pCredDistContext = target; - } - - /* always add HTC control endpoint first, we only expose the list after the - * first one, this is added for TX queue checking */ - AddToEndpointDistList(target, &target->EndPoint[ENDPOINT_0].CreditDist); - - /* build the list of credit distribution structures in priority order - * supplied by the caller, these will follow endpoint 0 */ - for (i = 0; i < ListLength; i++) { - /* match services with endpoints and add the endpoints to the distribution list - * in FIFO order */ - for (ep = ENDPOINT_1; ep < ENDPOINT_MAX; ep++) { - if (target->EndPoint[ep].ServiceID == ServicePriorityOrder[i]) { - /* queue this one to the list */ - AddToEndpointDistList(target, &target->EndPoint[ep].CreditDist); - break; - } - } - AR_DEBUG_ASSERT(ep < ENDPOINT_MAX); - } - -} |