diff options
Diffstat (limited to 'drivers/staging/ath6kl/htc2/AR6000/ar6k_gmbox_hciuart.c')
| -rw-r--r-- | drivers/staging/ath6kl/htc2/AR6000/ar6k_gmbox_hciuart.c | 1284 |
1 files changed, 0 insertions, 1284 deletions
diff --git a/drivers/staging/ath6kl/htc2/AR6000/ar6k_gmbox_hciuart.c b/drivers/staging/ath6kl/htc2/AR6000/ar6k_gmbox_hciuart.c deleted file mode 100644 index 56a0d714380..00000000000 --- a/drivers/staging/ath6kl/htc2/AR6000/ar6k_gmbox_hciuart.c +++ /dev/null @@ -1,1284 +0,0 @@ -//------------------------------------------------------------------------------ -// <copyright file="ar6k_prot_hciUart.c" company="Atheros"> -// Copyright (c) 2007-2010 Atheros Corporation. All rights reserved. -// -// -// Permission to use, copy, modify, and/or distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. -// -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -// -// -//------------------------------------------------------------------------------ -//============================================================================== -// Protocol module for use in bridging HCI-UART packets over the GMBOX interface -// -// Author(s): ="Atheros" -//============================================================================== -#include "a_config.h" -#include "athdefs.h" -#include "a_osapi.h" -#include "../htc_debug.h" -#include "hif.h" -#include "htc_packet.h" -#include "ar6k.h" -#include "hci_transport_api.h" -#include "gmboxif.h" -#include "ar6000_diag.h" -#include "hw/apb_map.h" -#include "hw/mbox_reg.h" - -#ifdef ATH_AR6K_ENABLE_GMBOX -#define HCI_UART_COMMAND_PKT 0x01 -#define HCI_UART_ACL_PKT 0x02 -#define HCI_UART_SCO_PKT 0x03 -#define HCI_UART_EVENT_PKT 0x04 - -#define HCI_RECV_WAIT_BUFFERS (1 << 0) - -#define HCI_SEND_WAIT_CREDITS (1 << 0) - -#define HCI_UART_BRIDGE_CREDIT_SIZE 128 - -#define CREDIT_POLL_COUNT 256 - -#define HCI_DELAY_PER_INTERVAL_MS 10 -#define BTON_TIMEOUT_MS 500 -#define BTOFF_TIMEOUT_MS 500 -#define BAUD_TIMEOUT_MS 1 -#define BTPWRSAV_TIMEOUT_MS 1 - -struct gmbox_proto_hci_uart { - struct hci_transport_config_info HCIConfig; - bool HCIAttached; - bool HCIStopped; - u32 RecvStateFlags; - u32 SendStateFlags; - HCI_TRANSPORT_PACKET_TYPE WaitBufferType; - struct htc_packet_queue SendQueue; /* write queue holding HCI Command and ACL packets */ - struct htc_packet_queue HCIACLRecvBuffers; /* recv queue holding buffers for incomming ACL packets */ - struct htc_packet_queue HCIEventBuffers; /* recv queue holding buffers for incomming event packets */ - struct ar6k_device *pDev; - A_MUTEX_T HCIRxLock; - A_MUTEX_T HCITxLock; - int CreditsMax; - int CreditsConsumed; - int CreditsAvailable; - int CreditSize; - int CreditsCurrentSeek; - int SendProcessCount; -}; - -#define LOCK_HCI_RX(t) A_MUTEX_LOCK(&(t)->HCIRxLock); -#define UNLOCK_HCI_RX(t) A_MUTEX_UNLOCK(&(t)->HCIRxLock); -#define LOCK_HCI_TX(t) A_MUTEX_LOCK(&(t)->HCITxLock); -#define UNLOCK_HCI_TX(t) A_MUTEX_UNLOCK(&(t)->HCITxLock); - -#define DO_HCI_RECV_INDICATION(p, pt) \ -do { \ - AR_DEBUG_PRINTF(ATH_DEBUG_RECV, \ - ("HCI: Indicate Recv on packet:0x%lX status:%d len:%d type:%d \n", \ - (unsigned long)(pt), \ - (pt)->Status, \ - !(pt)->Status ? (pt)->ActualLength : 0, \ - HCI_GET_PACKET_TYPE(pt))); \ - (p)->HCIConfig.pHCIPktRecv((p)->HCIConfig.pContext, (pt)); \ -} while (0) - -#define DO_HCI_SEND_INDICATION(p,pt) \ -{ AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: Indicate Send on packet:0x%lX status:%d type:%d \n", \ - (unsigned long)(pt),(pt)->Status,HCI_GET_PACKET_TYPE(pt))); \ - (p)->HCIConfig.pHCISendComplete((p)->HCIConfig.pContext, (pt)); \ -} - -static int HCITrySend(struct gmbox_proto_hci_uart *pProt, struct htc_packet *pPacket, bool Synchronous); - -static void HCIUartCleanup(struct gmbox_proto_hci_uart *pProtocol) -{ - A_ASSERT(pProtocol != NULL); - - A_MUTEX_DELETE(&pProtocol->HCIRxLock); - A_MUTEX_DELETE(&pProtocol->HCITxLock); - - kfree(pProtocol); -} - -static int InitTxCreditState(struct gmbox_proto_hci_uart *pProt) -{ - int status; - int credits; - int creditPollCount = CREDIT_POLL_COUNT; - bool gotCredits = false; - - pProt->CreditsConsumed = 0; - - do { - - if (pProt->CreditsMax != 0) { - /* we can only call this only once per target reset */ - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HCI: InitTxCreditState - already called! \n")); - A_ASSERT(false); - status = A_EINVAL; - break; - } - - /* read the credit counter. At startup the target will set the credit counter - * to the max available, we read this in a loop because it may take - * multiple credit counter reads to get all credits */ - - while (creditPollCount) { - - credits = 0; - - status = DevGMboxReadCreditCounter(pProt->pDev, PROC_IO_SYNC, &credits); - - if (status) { - break; - } - - if (!gotCredits && (0 == credits)) { - creditPollCount--; - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: credit is 0, retrying (%d) \n",creditPollCount)); - A_MDELAY(HCI_DELAY_PER_INTERVAL_MS); - continue; - } else { - gotCredits = true; - } - - if (0 == credits) { - break; - } - - pProt->CreditsMax += credits; - } - - if (status) { - break; - } - - if (0 == creditPollCount) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, - ("** HCI : Failed to get credits! GMBOX Target was not available \n")); - status = A_ERROR; - break; - } - - /* now get the size */ - status = DevGMboxReadCreditSize(pProt->pDev, &pProt->CreditSize); - - if (status) { - break; - } - - } while (false); - - if (!status) { - pProt->CreditsAvailable = pProt->CreditsMax; - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("HCI : InitTxCreditState - credits avail: %d, size: %d \n", - pProt->CreditsAvailable, pProt->CreditSize)); - } - - return status; -} - -static int CreditsAvailableCallback(void *pContext, int Credits, bool CreditIRQEnabled) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)pContext; - bool enableCreditIrq = false; - bool disableCreditIrq = false; - bool doPendingSends = false; - int status = 0; - - /** this callback is called under 2 conditions: - * 1. The credit IRQ interrupt was enabled and signaled. - * 2. A credit counter read completed. - * - * The function must not assume that the calling context can block ! - */ - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("+CreditsAvailableCallback (Credits:%d, IRQ:%s) \n", - Credits, CreditIRQEnabled ? "ON" : "OFF")); - - LOCK_HCI_TX(pProt); - - do { - - if (0 == Credits) { - if (!CreditIRQEnabled) { - /* enable credit IRQ */ - enableCreditIrq = true; - } - break; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: current credit state, consumed:%d available:%d max:%d seek:%d\n", - pProt->CreditsConsumed, - pProt->CreditsAvailable, - pProt->CreditsMax, - pProt->CreditsCurrentSeek)); - - pProt->CreditsAvailable += Credits; - A_ASSERT(pProt->CreditsAvailable <= pProt->CreditsMax); - pProt->CreditsConsumed -= Credits; - A_ASSERT(pProt->CreditsConsumed >= 0); - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: new credit state, consumed:%d available:%d max:%d seek:%d\n", - pProt->CreditsConsumed, - pProt->CreditsAvailable, - pProt->CreditsMax, - pProt->CreditsCurrentSeek)); - - if (pProt->CreditsAvailable >= pProt->CreditsCurrentSeek) { - /* we have enough credits to fulfill at least 1 packet waiting in the queue */ - pProt->CreditsCurrentSeek = 0; - pProt->SendStateFlags &= ~HCI_SEND_WAIT_CREDITS; - doPendingSends = true; - if (CreditIRQEnabled) { - /* credit IRQ was enabled, we shouldn't need it anymore */ - disableCreditIrq = true; - } - } else { - /* not enough credits yet, enable credit IRQ if we haven't already */ - if (!CreditIRQEnabled) { - enableCreditIrq = true; - } - } - - } while (false); - - UNLOCK_HCI_TX(pProt); - - if (enableCreditIrq) { - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,(" Enabling credit count IRQ...\n")); - /* must use async only */ - status = DevGMboxIRQAction(pProt->pDev, GMBOX_CREDIT_IRQ_ENABLE, PROC_IO_ASYNC); - } else if (disableCreditIrq) { - /* must use async only */ - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,(" Disabling credit count IRQ...\n")); - status = DevGMboxIRQAction(pProt->pDev, GMBOX_CREDIT_IRQ_DISABLE, PROC_IO_ASYNC); - } - - if (doPendingSends) { - HCITrySend(pProt, NULL, false); - } - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("+CreditsAvailableCallback \n")); - return status; -} - -static INLINE void NotifyTransportFailure(struct gmbox_proto_hci_uart *pProt, int status) -{ - if (pProt->HCIConfig.TransportFailure != NULL) { - pProt->HCIConfig.TransportFailure(pProt->HCIConfig.pContext, status); - } -} - -static void FailureCallback(void *pContext, int Status) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)pContext; - - /* target assertion occurred */ - NotifyTransportFailure(pProt, Status); -} - -static void StateDumpCallback(void *pContext) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)pContext; - - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("============ HCIUart State ======================\n")); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("RecvStateFlags : 0x%X \n",pProt->RecvStateFlags)); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("SendStateFlags : 0x%X \n",pProt->SendStateFlags)); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("WaitBufferType : %d \n",pProt->WaitBufferType)); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("SendQueue Depth : %d \n",HTC_PACKET_QUEUE_DEPTH(&pProt->SendQueue))); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("CreditsMax : %d \n",pProt->CreditsMax)); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("CreditsConsumed : %d \n",pProt->CreditsConsumed)); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("CreditsAvailable : %d \n",pProt->CreditsAvailable)); - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("==================================================\n")); -} - -static int HCIUartMessagePending(void *pContext, u8 LookAheadBytes[], int ValidBytes) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)pContext; - int status = 0; - int totalRecvLength = 0; - HCI_TRANSPORT_PACKET_TYPE pktType = HCI_PACKET_INVALID; - bool recvRefillCalled = false; - bool blockRecv = false; - struct htc_packet *pPacket = NULL; - - /** caller guarantees that this is a fully block-able context (synch I/O is allowed) */ - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("+HCIUartMessagePending Lookahead Bytes:%d \n",ValidBytes)); - - LOCK_HCI_RX(pProt); - - do { - - if (ValidBytes < 3) { - /* not enough for ACL or event header */ - break; - } - - if ((LookAheadBytes[0] == HCI_UART_ACL_PKT) && (ValidBytes < 5)) { - /* not enough for ACL data header */ - break; - } - - switch (LookAheadBytes[0]) { - case HCI_UART_EVENT_PKT: - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("HCI Event: %d param length: %d \n", - LookAheadBytes[1], LookAheadBytes[2])); - totalRecvLength = LookAheadBytes[2]; - totalRecvLength += 3; /* add type + event code + length field */ - pktType = HCI_EVENT_TYPE; - break; - case HCI_UART_ACL_PKT: - totalRecvLength = (LookAheadBytes[4] << 8) | LookAheadBytes[3]; - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("HCI ACL: conn:0x%X length: %d \n", - ((LookAheadBytes[2] & 0xF0) << 8) | LookAheadBytes[1], totalRecvLength)); - totalRecvLength += 5; /* add type + connection handle + length field */ - pktType = HCI_ACL_TYPE; - break; - default: - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("**Invalid HCI packet type: %d \n",LookAheadBytes[0])); - status = A_EPROTO; - break; - } - - if (status) { - break; - } - - if (pProt->HCIConfig.pHCIPktRecvAlloc != NULL) { - UNLOCK_HCI_RX(pProt); - /* user is using a per-packet allocation callback */ - pPacket = pProt->HCIConfig.pHCIPktRecvAlloc(pProt->HCIConfig.pContext, - pktType, - totalRecvLength); - LOCK_HCI_RX(pProt); - - } else { - struct htc_packet_queue *pQueue; - /* user is using a refill handler that can refill multiple HTC buffers */ - - /* select buffer queue */ - if (pktType == HCI_ACL_TYPE) { - pQueue = &pProt->HCIACLRecvBuffers; - } else { - pQueue = &pProt->HCIEventBuffers; - } - - if (HTC_QUEUE_EMPTY(pQueue)) { - AR_DEBUG_PRINTF(ATH_DEBUG_RECV, - ("** HCI pkt type: %d has no buffers available calling allocation handler \n", - pktType)); - /* check for refill handler */ - if (pProt->HCIConfig.pHCIPktRecvRefill != NULL) { - recvRefillCalled = true; - UNLOCK_HCI_RX(pProt); - /* call the re-fill handler */ - pProt->HCIConfig.pHCIPktRecvRefill(pProt->HCIConfig.pContext, - pktType, - 0); - LOCK_HCI_RX(pProt); - /* check if we have more buffers */ - pPacket = HTC_PACKET_DEQUEUE(pQueue); - /* fall through */ - } - } else { - pPacket = HTC_PACKET_DEQUEUE(pQueue); - AR_DEBUG_PRINTF(ATH_DEBUG_RECV, - ("HCI pkt type: %d now has %d recv buffers left \n", - pktType, HTC_PACKET_QUEUE_DEPTH(pQueue))); - } - } - - if (NULL == pPacket) { - AR_DEBUG_PRINTF(ATH_DEBUG_RECV, - ("** HCI pkt type: %d has no buffers available stopping recv...\n", pktType)); - /* this is not an error, we simply need to mark that we are waiting for buffers.*/ - pProt->RecvStateFlags |= HCI_RECV_WAIT_BUFFERS; - pProt->WaitBufferType = pktType; - blockRecv = true; - break; - } - - if (totalRecvLength > (int)pPacket->BufferLength) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("** HCI-UART pkt: %d requires %d bytes (%d buffer bytes avail) ! \n", - LookAheadBytes[0], totalRecvLength, pPacket->BufferLength)); - status = A_EINVAL; - break; - } - - } while (false); - - UNLOCK_HCI_RX(pProt); - - /* locks are released, we can go fetch the packet */ - - do { - - if (status || (NULL == pPacket)) { - break; - } - - /* do this synchronously, we don't need to be fast here */ - pPacket->Completion = NULL; - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("HCI : getting recv packet len:%d hci-uart-type: %s \n", - totalRecvLength, (LookAheadBytes[0] == HCI_UART_EVENT_PKT) ? "EVENT" : "ACL")); - - status = DevGMboxRead(pProt->pDev, pPacket, totalRecvLength); - - if (status) { - break; - } - - if (pPacket->pBuffer[0] != LookAheadBytes[0]) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("** HCI buffer does not contain expected packet type: %d ! \n", - pPacket->pBuffer[0])); - status = A_EPROTO; - break; - } - - if (pPacket->pBuffer[0] == HCI_UART_EVENT_PKT) { - /* validate event header fields */ - if ((pPacket->pBuffer[1] != LookAheadBytes[1]) || - (pPacket->pBuffer[2] != LookAheadBytes[2])) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("** HCI buffer does not match lookahead! \n")); - DebugDumpBytes(LookAheadBytes, 3, "Expected HCI-UART Header"); - DebugDumpBytes(pPacket->pBuffer, 3, "** Bad HCI-UART Header"); - status = A_EPROTO; - break; - } - } else if (pPacket->pBuffer[0] == HCI_UART_ACL_PKT) { - /* validate acl header fields */ - if ((pPacket->pBuffer[1] != LookAheadBytes[1]) || - (pPacket->pBuffer[2] != LookAheadBytes[2]) || - (pPacket->pBuffer[3] != LookAheadBytes[3]) || - (pPacket->pBuffer[4] != LookAheadBytes[4])) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("** HCI buffer does not match lookahead! \n")); - DebugDumpBytes(LookAheadBytes, 5, "Expected HCI-UART Header"); - DebugDumpBytes(pPacket->pBuffer, 5, "** Bad HCI-UART Header"); - status = A_EPROTO; - break; - } - } - - /* adjust buffer to move past packet ID */ - pPacket->pBuffer++; - pPacket->ActualLength = totalRecvLength - 1; - pPacket->Status = 0; - /* indicate packet */ - DO_HCI_RECV_INDICATION(pProt,pPacket); - pPacket = NULL; - - /* check if we need to refill recv buffers */ - if ((pProt->HCIConfig.pHCIPktRecvRefill != NULL) && !recvRefillCalled) { - struct htc_packet_queue *pQueue; - int watermark; - - if (pktType == HCI_ACL_TYPE) { - watermark = pProt->HCIConfig.ACLRecvBufferWaterMark; - pQueue = &pProt->HCIACLRecvBuffers; - } else { - watermark = pProt->HCIConfig.EventRecvBufferWaterMark; - pQueue = &pProt->HCIEventBuffers; - } - - if (HTC_PACKET_QUEUE_DEPTH(pQueue) < watermark) { - AR_DEBUG_PRINTF(ATH_DEBUG_RECV, - ("** HCI pkt type: %d watermark hit (%d) current:%d \n", - pktType, watermark, HTC_PACKET_QUEUE_DEPTH(pQueue))); - /* call the re-fill handler */ - pProt->HCIConfig.pHCIPktRecvRefill(pProt->HCIConfig.pContext, - pktType, - HTC_PACKET_QUEUE_DEPTH(pQueue)); - } - } - - } while (false); - - /* check if we need to disable the receiver */ - if (status || blockRecv) { - DevGMboxIRQAction(pProt->pDev, GMBOX_RECV_IRQ_DISABLE, PROC_IO_SYNC); - } - - /* see if we need to recycle the recv buffer */ - if (status && (pPacket != NULL)) { - struct htc_packet_queue queue; - - if (A_EPROTO == status) { - DebugDumpBytes(pPacket->pBuffer, totalRecvLength, "Bad HCI-UART Recv packet"); - } - /* recycle packet */ - HTC_PACKET_RESET_RX(pPacket); - INIT_HTC_PACKET_QUEUE_AND_ADD(&queue,pPacket); - HCI_TransportAddReceivePkts(pProt,&queue); - NotifyTransportFailure(pProt,status); - } - - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("-HCIUartMessagePending \n")); - - return status; -} - -static void HCISendPacketCompletion(void *Context, struct htc_packet *pPacket) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)Context; - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("+HCISendPacketCompletion (pPacket:0x%lX) \n",(unsigned long)pPacket)); - - if (pPacket->Status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,(" Send Packet (0x%lX) failed: %d , len:%d \n", - (unsigned long)pPacket, pPacket->Status, pPacket->ActualLength)); - } - - DO_HCI_SEND_INDICATION(pProt,pPacket); - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("+HCISendPacketCompletion \n")); -} - -static int SeekCreditsSynch(struct gmbox_proto_hci_uart *pProt) -{ - int status = 0; - int credits; - int retry = 100; - - while (true) { - credits = 0; - status = DevGMboxReadCreditCounter(pProt->pDev, PROC_IO_SYNC, &credits); - if (status) { - break; - } - LOCK_HCI_TX(pProt); - pProt->CreditsAvailable += credits; - pProt->CreditsConsumed -= credits; - if (pProt->CreditsAvailable >= pProt->CreditsCurrentSeek) { - pProt->CreditsCurrentSeek = 0; - UNLOCK_HCI_TX(pProt); - break; - } - UNLOCK_HCI_TX(pProt); - retry--; - if (0 == retry) { - status = A_EBUSY; - break; - } - A_MDELAY(20); - } - - return status; -} - -static int HCITrySend(struct gmbox_proto_hci_uart *pProt, struct htc_packet *pPacket, bool Synchronous) -{ - int status = 0; - int transferLength; - int creditsRequired, remainder; - u8 hciUartType; - bool synchSendComplete = false; - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("+HCITrySend (pPacket:0x%lX) %s \n",(unsigned long)pPacket, - Synchronous ? "SYNC" :"ASYNC")); - - LOCK_HCI_TX(pProt); - - /* increment write processing count on entry */ - pProt->SendProcessCount++; - - do { - - if (pProt->HCIStopped) { - status = A_ECANCELED; - break; - } - - if (pPacket != NULL) { - /* packet was supplied */ - if (Synchronous) { - /* in synchronous mode, the send queue can only hold 1 packet */ - if (!HTC_QUEUE_EMPTY(&pProt->SendQueue)) { - status = A_EBUSY; - A_ASSERT(false); - break; - } - - if (pProt->SendProcessCount > 1) { - /* another thread or task is draining the TX queues */ - status = A_EBUSY; - A_ASSERT(false); - break; - } - - HTC_PACKET_ENQUEUE(&pProt->SendQueue,pPacket); - - } else { - /* see if adding this packet hits the max depth (asynchronous mode only) */ - if ((pProt->HCIConfig.MaxSendQueueDepth > 0) && - ((HTC_PACKET_QUEUE_DEPTH(&pProt->SendQueue) + 1) >= pProt->HCIConfig.MaxSendQueueDepth)) { - AR_DEBUG_PRINTF(ATH_DEBUG_SEND, ("HCI Send queue is full, Depth:%d, Max:%d \n", - HTC_PACKET_QUEUE_DEPTH(&pProt->SendQueue), - pProt->HCIConfig.MaxSendQueueDepth)); - /* queue will be full, invoke any callbacks to determine what action to take */ - if (pProt->HCIConfig.pHCISendFull != NULL) { - AR_DEBUG_PRINTF(ATH_DEBUG_SEND, - ("HCI : Calling driver's send full callback.... \n")); - if (pProt->HCIConfig.pHCISendFull(pProt->HCIConfig.pContext, - pPacket) == HCI_SEND_FULL_DROP) { - /* drop it */ - status = A_NO_RESOURCE; - break; - } - } - } - - HTC_PACKET_ENQUEUE(&pProt->SendQueue,pPacket); - } - - } - - if (pProt->SendStateFlags & HCI_SEND_WAIT_CREDITS) { - break; - } - - if (pProt->SendProcessCount > 1) { - /* another thread or task is draining the TX queues */ - break; - } - - /***** beyond this point only 1 thread may enter ******/ - - /* now drain the send queue for transmission as long as we have enough - * credits */ - while (!HTC_QUEUE_EMPTY(&pProt->SendQueue)) { - - pPacket = HTC_PACKET_DEQUEUE(&pProt->SendQueue); - - switch (HCI_GET_PACKET_TYPE(pPacket)) { - case HCI_COMMAND_TYPE: - hciUartType = HCI_UART_COMMAND_PKT; - break; - case HCI_ACL_TYPE: - hciUartType = HCI_UART_ACL_PKT; - break; - default: - status = A_EINVAL; - A_ASSERT(false); - break; - } - - if (status) { - break; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: Got head packet:0x%lX , Type:%d Length: %d Remaining Queue Depth: %d\n", - (unsigned long)pPacket, HCI_GET_PACKET_TYPE(pPacket), pPacket->ActualLength, - HTC_PACKET_QUEUE_DEPTH(&pProt->SendQueue))); - - transferLength = 1; /* UART type header is 1 byte */ - transferLength += pPacket->ActualLength; - transferLength = DEV_CALC_SEND_PADDED_LEN(pProt->pDev, transferLength); - - /* figure out how many credits this message requires */ - creditsRequired = transferLength / pProt->CreditSize; - remainder = transferLength % pProt->CreditSize; - - if (remainder) { - creditsRequired++; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: Creds Required:%d Got:%d\n", - creditsRequired, pProt->CreditsAvailable)); - - if (creditsRequired > pProt->CreditsAvailable) { - if (Synchronous) { - /* in synchronous mode we need to seek credits in synchronously */ - pProt->CreditsCurrentSeek = creditsRequired; - UNLOCK_HCI_TX(pProt); - status = SeekCreditsSynch(pProt); - LOCK_HCI_TX(pProt); - if (status) { - break; - } - /* fall through and continue processing this send op */ - } else { - /* not enough credits, queue back to the head */ - HTC_PACKET_ENQUEUE_TO_HEAD(&pProt->SendQueue,pPacket); - /* waiting for credits */ - pProt->SendStateFlags |= HCI_SEND_WAIT_CREDITS; - /* provide a hint to reduce attempts to re-send if credits are dribbling back - * this hint is the short fall of credits */ - pProt->CreditsCurrentSeek = creditsRequired; - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: packet:0x%lX placed back in queue. head packet needs: %d credits \n", - (unsigned long)pPacket, pProt->CreditsCurrentSeek)); - pPacket = NULL; - UNLOCK_HCI_TX(pProt); - - /* schedule a credit counter read, our CreditsAvailableCallback callback will be called - * with the result */ - DevGMboxReadCreditCounter(pProt->pDev, PROC_IO_ASYNC, NULL); - - LOCK_HCI_TX(pProt); - break; - } - } - - /* caller guarantees some head room */ - pPacket->pBuffer--; - pPacket->pBuffer[0] = hciUartType; - - pProt->CreditsAvailable -= creditsRequired; - pProt->CreditsConsumed += creditsRequired; - A_ASSERT(pProt->CreditsConsumed <= pProt->CreditsMax); - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("HCI: new credit state: consumed:%d available:%d max:%d\n", - pProt->CreditsConsumed, pProt->CreditsAvailable, pProt->CreditsMax)); - - UNLOCK_HCI_TX(pProt); - - /* write it out */ - if (Synchronous) { - pPacket->Completion = NULL; - pPacket->pContext = NULL; - } else { - pPacket->Completion = HCISendPacketCompletion; - pPacket->pContext = pProt; - } - - status = DevGMboxWrite(pProt->pDev,pPacket,transferLength); - if (Synchronous) { - synchSendComplete = true; - } else { - pPacket = NULL; - } - - LOCK_HCI_TX(pProt); - - } - - } while (false); - - pProt->SendProcessCount--; - A_ASSERT(pProt->SendProcessCount >= 0); - UNLOCK_HCI_TX(pProt); - - if (Synchronous) { - A_ASSERT(pPacket != NULL); - if (!status && (!synchSendComplete)) { - status = A_EBUSY; - A_ASSERT(false); - LOCK_HCI_TX(pProt); - if (pPacket->ListLink.pNext != NULL) { - /* remove from the queue */ - HTC_PACKET_REMOVE(&pProt->SendQueue,pPacket); - } - UNLOCK_HCI_TX(pProt); - } - } else { - if (status && (pPacket != NULL)) { - pPacket->Status = status; - DO_HCI_SEND_INDICATION(pProt,pPacket); - } - } - - AR_DEBUG_PRINTF(ATH_DEBUG_SEND,("-HCITrySend: \n")); - return status; -} - -static void FlushSendQueue(struct gmbox_proto_hci_uart *pProt) -{ - struct htc_packet *pPacket; - struct htc_packet_queue discardQueue; - - INIT_HTC_PACKET_QUEUE(&discardQueue); - - LOCK_HCI_TX(pProt); - - if (!HTC_QUEUE_EMPTY(&pProt->SendQueue)) { - HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&discardQueue,&pProt->SendQueue); - } - - UNLOCK_HCI_TX(pProt); - - /* discard packets */ - while (!HTC_QUEUE_EMPTY(&discardQueue)) { - pPacket = HTC_PACKET_DEQUEUE(&discardQueue); - pPacket->Status = A_ECANCELED; - DO_HCI_SEND_INDICATION(pProt,pPacket); - } - -} - -static void FlushRecvBuffers(struct gmbox_proto_hci_uart *pProt) -{ - struct htc_packet_queue discardQueue; - struct htc_packet *pPacket; - - INIT_HTC_PACKET_QUEUE(&discardQueue); - - LOCK_HCI_RX(pProt); - /*transfer list items from ACL and event buffer queues to the discard queue */ - if (!HTC_QUEUE_EMPTY(&pProt->HCIACLRecvBuffers)) { - HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&discardQueue,&pProt->HCIACLRecvBuffers); - } - if (!HTC_QUEUE_EMPTY(&pProt->HCIEventBuffers)) { - HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&discardQueue,&pProt->HCIEventBuffers); - } - UNLOCK_HCI_RX(pProt); - - /* now empty the discard queue */ - while (!HTC_QUEUE_EMPTY(&discardQueue)) { - pPacket = HTC_PACKET_DEQUEUE(&discardQueue); - pPacket->Status = A_ECANCELED; - DO_HCI_RECV_INDICATION(pProt,pPacket); - } - -} - -/*** protocol module install entry point ***/ - -int GMboxProtocolInstall(struct ar6k_device *pDev) -{ - int status = 0; - struct gmbox_proto_hci_uart *pProtocol = NULL; - - do { - - pProtocol = A_MALLOC(sizeof(struct gmbox_proto_hci_uart)); - - if (NULL == pProtocol) { - status = A_NO_MEMORY; - break; - } - - A_MEMZERO(pProtocol, sizeof(*pProtocol)); - pProtocol->pDev = pDev; - INIT_HTC_PACKET_QUEUE(&pProtocol->SendQueue); - INIT_HTC_PACKET_QUEUE(&pProtocol->HCIACLRecvBuffers); - INIT_HTC_PACKET_QUEUE(&pProtocol->HCIEventBuffers); - A_MUTEX_INIT(&pProtocol->HCIRxLock); - A_MUTEX_INIT(&pProtocol->HCITxLock); - - } while (false); - - if (!status) { - LOCK_AR6K(pDev); - DEV_GMBOX_SET_PROTOCOL(pDev, - HCIUartMessagePending, - CreditsAvailableCallback, - FailureCallback, - StateDumpCallback, - pProtocol); - UNLOCK_AR6K(pDev); - } else { - if (pProtocol != NULL) { - HCIUartCleanup(pProtocol); - } - } - - return status; -} - -/*** protocol module uninstall entry point ***/ -void GMboxProtocolUninstall(struct ar6k_device *pDev) -{ - struct gmbox_proto_hci_uart *pProtocol = (struct gmbox_proto_hci_uart *)DEV_GMBOX_GET_PROTOCOL(pDev); - - if (pProtocol != NULL) { - - /* notify anyone attached */ - if (pProtocol->HCIAttached) { - A_ASSERT(pProtocol->HCIConfig.TransportRemoved != NULL); - pProtocol->HCIConfig.TransportRemoved(pProtocol->HCIConfig.pContext); - pProtocol->HCIAttached = false; - } - - HCIUartCleanup(pProtocol); - DEV_GMBOX_SET_PROTOCOL(pDev,NULL,NULL,NULL,NULL,NULL); - } - -} - -static int NotifyTransportReady(struct gmbox_proto_hci_uart *pProt) -{ - struct hci_transport_properties props; - int status = 0; - - do { - - A_MEMZERO(&props,sizeof(props)); - - /* HCI UART only needs one extra byte at the head to indicate the packet TYPE */ - props.HeadRoom = 1; - props.TailRoom = 0; - props.IOBlockPad = pProt->pDev->BlockSize; - if (pProt->HCIAttached) { - AR_DEBUG_PRINTF(ATH_DEBUG_ANY,("HCI: notifying attached client to transport... \n")); - A_ASSERT(pProt->HCIConfig.TransportReady != NULL); - status = pProt->HCIConfig.TransportReady(pProt, - &props, - pProt->HCIConfig.pContext); - } - - } while (false); - - return status; -} - -/*********** HCI UART protocol implementation ************************************************/ - -HCI_TRANSPORT_HANDLE HCI_TransportAttach(void *HTCHandle, struct hci_transport_config_info *pInfo) -{ - struct gmbox_proto_hci_uart *pProtocol = NULL; - struct ar6k_device *pDev; - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("+HCI_TransportAttach \n")); - - pDev = HTCGetAR6KDevice(HTCHandle); - - LOCK_AR6K(pDev); - - do { - - pProtocol = (struct gmbox_proto_hci_uart *)DEV_GMBOX_GET_PROTOCOL(pDev); - - if (NULL == pProtocol) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("GMBOX protocol not installed! \n")); - break; - } - - if (pProtocol->HCIAttached) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("GMBOX protocol already attached! \n")); - break; - } - - memcpy(&pProtocol->HCIConfig, pInfo, sizeof(struct hci_transport_config_info)); - - A_ASSERT(pProtocol->HCIConfig.pHCIPktRecv != NULL); - A_ASSERT(pProtocol->HCIConfig.pHCISendComplete != NULL); - - pProtocol->HCIAttached = true; - - } while (false); - - UNLOCK_AR6K(pDev); - - if (pProtocol != NULL) { - /* TODO ... should we use a worker? */ - NotifyTransportReady(pProtocol); - } - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("-HCI_TransportAttach (0x%lX) \n",(unsigned long)pProtocol)); - return (HCI_TRANSPORT_HANDLE)pProtocol; -} - -void HCI_TransportDetach(HCI_TRANSPORT_HANDLE HciTrans) -{ - struct gmbox_proto_hci_uart *pProtocol = (struct gmbox_proto_hci_uart *)HciTrans; - struct ar6k_device *pDev = pProtocol->pDev; - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("+HCI_TransportDetach \n")); - - LOCK_AR6K(pDev); - if (!pProtocol->HCIAttached) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("GMBOX protocol not attached! \n")); - UNLOCK_AR6K(pDev); - return; - } - pProtocol->HCIAttached = false; - UNLOCK_AR6K(pDev); - - HCI_TransportStop(HciTrans); - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("-HCI_TransportAttach \n")); -} - -int HCI_TransportAddReceivePkts(HCI_TRANSPORT_HANDLE HciTrans, struct htc_packet_queue *pQueue) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - int status = 0; - bool unblockRecv = false; - struct htc_packet *pPacket; - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("+HCI_TransportAddReceivePkt \n")); - - LOCK_HCI_RX(pProt); - - do { - - if (pProt->HCIStopped) { - status = A_ECANCELED; - break; - } - - pPacket = HTC_GET_PKT_AT_HEAD(pQueue); - - if (NULL == pPacket) { - status = A_EINVAL; - break; - } - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,(" HCI recv packet added, type :%d, len:%d num:%d \n", - HCI_GET_PACKET_TYPE(pPacket), pPacket->BufferLength, HTC_PACKET_QUEUE_DEPTH(pQueue))); - - if (HCI_GET_PACKET_TYPE(pPacket) == HCI_EVENT_TYPE) { - HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&pProt->HCIEventBuffers, pQueue); - } else if (HCI_GET_PACKET_TYPE(pPacket) == HCI_ACL_TYPE) { - HTC_PACKET_QUEUE_TRANSFER_TO_TAIL(&pProt->HCIACLRecvBuffers, pQueue); - } else { - status = A_EINVAL; - break; - } - - if (pProt->RecvStateFlags & HCI_RECV_WAIT_BUFFERS) { - if (pProt->WaitBufferType == HCI_GET_PACKET_TYPE(pPacket)) { - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,(" HCI recv was blocked on packet type :%d, unblocking.. \n", - pProt->WaitBufferType)); - pProt->RecvStateFlags &= ~HCI_RECV_WAIT_BUFFERS; - pProt->WaitBufferType = HCI_PACKET_INVALID; - unblockRecv = true; - } - } - - } while (false); - - UNLOCK_HCI_RX(pProt); - - if (status) { - while (!HTC_QUEUE_EMPTY(pQueue)) { - pPacket = HTC_PACKET_DEQUEUE(pQueue); - pPacket->Status = A_ECANCELED; - DO_HCI_RECV_INDICATION(pProt,pPacket); - } - } - - if (unblockRecv) { - DevGMboxIRQAction(pProt->pDev, GMBOX_RECV_IRQ_ENABLE, PROC_IO_ASYNC); - } - - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("-HCI_TransportAddReceivePkt \n")); - - return 0; -} - -int HCI_TransportSendPkt(HCI_TRANSPORT_HANDLE HciTrans, struct htc_packet *pPacket, bool Synchronous) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - - return HCITrySend(pProt,pPacket,Synchronous); -} - -void HCI_TransportStop(HCI_TRANSPORT_HANDLE HciTrans) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("+HCI_TransportStop \n")); - - LOCK_AR6K(pProt->pDev); - if (pProt->HCIStopped) { - UNLOCK_AR6K(pProt->pDev); - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("-HCI_TransportStop \n")); - return; - } - pProt->HCIStopped = true; - UNLOCK_AR6K(pProt->pDev); - - /* disable interrupts */ - DevGMboxIRQAction(pProt->pDev, GMBOX_DISABLE_ALL, PROC_IO_SYNC); - FlushSendQueue(pProt); - FlushRecvBuffers(pProt); - - /* signal bridge side to power down BT */ - DevGMboxSetTargetInterrupt(pProt->pDev, MBOX_SIG_HCI_BRIDGE_BT_OFF, BTOFF_TIMEOUT_MS); - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("-HCI_TransportStop \n")); -} - -int HCI_TransportStart(HCI_TRANSPORT_HANDLE HciTrans) -{ - int status; - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("+HCI_TransportStart \n")); - - /* set stopped in case we have a problem in starting */ - pProt->HCIStopped = true; - - do { - - status = InitTxCreditState(pProt); - - if (status) { - break; - } - - status = DevGMboxIRQAction(pProt->pDev, GMBOX_ERRORS_IRQ_ENABLE, PROC_IO_SYNC); - - if (status) { - break; - } - /* enable recv */ - status = DevGMboxIRQAction(pProt->pDev, GMBOX_RECV_IRQ_ENABLE, PROC_IO_SYNC); - - if (status) { - break; - } - /* signal bridge side to power up BT */ - status = DevGMboxSetTargetInterrupt(pProt->pDev, MBOX_SIG_HCI_BRIDGE_BT_ON, BTON_TIMEOUT_MS); - - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HCI_TransportStart : Failed to trigger BT ON \n")); - break; - } - - /* we made it */ - pProt->HCIStopped = false; - - } while (false); - - AR_DEBUG_PRINTF(ATH_DEBUG_TRC,("-HCI_TransportStart \n")); - - return status; -} - -int HCI_TransportEnableDisableAsyncRecv(HCI_TRANSPORT_HANDLE HciTrans, bool Enable) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - return DevGMboxIRQAction(pProt->pDev, - Enable ? GMBOX_RECV_IRQ_ENABLE : GMBOX_RECV_IRQ_DISABLE, - PROC_IO_SYNC); - -} - -int HCI_TransportRecvHCIEventSync(HCI_TRANSPORT_HANDLE HciTrans, - struct htc_packet *pPacket, - int MaxPollMS) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - int status = 0; - u8 lookAhead[8]; - int bytes; - int totalRecvLength; - - MaxPollMS = MaxPollMS / 16; - - if (MaxPollMS < 2) { - MaxPollMS = 2; - } - - while (MaxPollMS) { - - bytes = sizeof(lookAhead); - status = DevGMboxRecvLookAheadPeek(pProt->pDev,lookAhead,&bytes); - if (status) { - break; - } - - if (bytes < 3) { - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("HCI recv poll got bytes: %d, retry : %d \n", - bytes, MaxPollMS)); - A_MDELAY(16); - MaxPollMS--; - continue; - } - - totalRecvLength = 0; - switch (lookAhead[0]) { - case HCI_UART_EVENT_PKT: - AR_DEBUG_PRINTF(ATH_DEBUG_RECV,("HCI Event: %d param length: %d \n", - lookAhead[1], lookAhead[2])); - totalRecvLength = lookAhead[2]; - totalRecvLength += 3; /* add type + event code + length field */ - break; - default: - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("**Invalid HCI packet type: %d \n",lookAhead[0])); - status = A_EPROTO; - break; - } - - if (status) { - break; - } - - pPacket->Completion = NULL; - status = DevGMboxRead(pProt->pDev,pPacket,totalRecvLength); - if (status) { - break; - } - - pPacket->pBuffer++; - pPacket->ActualLength = totalRecvLength - 1; - pPacket->Status = 0; - break; - } - - if (MaxPollMS == 0) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HCI recv poll timeout! \n")); - status = A_ERROR; - } - - return status; -} - -#define LSB_SCRATCH_IDX 4 -#define MSB_SCRATCH_IDX 5 -int HCI_TransportSetBaudRate(HCI_TRANSPORT_HANDLE HciTrans, u32 Baud) -{ - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - struct hif_device *pHIFDevice = (struct hif_device *)(pProt->pDev->HIFDevice); - u32 scaledBaud, scratchAddr; - int status = 0; - - /* Divide the desired baud rate by 100 - * Store the LSB in the local scratch register 4 and the MSB in the local - * scratch register 5 for the target to read - */ - scratchAddr = MBOX_BASE_ADDRESS | (LOCAL_SCRATCH_ADDRESS + 4 * LSB_SCRATCH_IDX); - scaledBaud = (Baud / 100) & LOCAL_SCRATCH_VALUE_MASK; - status = ar6000_WriteRegDiag(pHIFDevice, &scratchAddr, &scaledBaud); - scratchAddr = MBOX_BASE_ADDRESS | (LOCAL_SCRATCH_ADDRESS + 4 * MSB_SCRATCH_IDX); - scaledBaud = ((Baud / 100) >> (LOCAL_SCRATCH_VALUE_MSB+1)) & LOCAL_SCRATCH_VALUE_MASK; - status |= ar6000_WriteRegDiag(pHIFDevice, &scratchAddr, &scaledBaud); - if (0 != status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Failed to set up baud rate in scratch register!")); - return status; - } - - /* Now interrupt the target to tell it about the baud rate */ - status = DevGMboxSetTargetInterrupt(pProt->pDev, MBOX_SIG_HCI_BRIDGE_BAUD_SET, BAUD_TIMEOUT_MS); - if (0 != status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Failed to tell target to change baud rate!")); - } - - return status; -} - -int HCI_TransportEnablePowerMgmt(HCI_TRANSPORT_HANDLE HciTrans, bool Enable) -{ - int status; - struct gmbox_proto_hci_uart *pProt = (struct gmbox_proto_hci_uart *)HciTrans; - - if (Enable) { - status = DevGMboxSetTargetInterrupt(pProt->pDev, MBOX_SIG_HCI_BRIDGE_PWR_SAV_ON, BTPWRSAV_TIMEOUT_MS); - } else { - status = DevGMboxSetTargetInterrupt(pProt->pDev, MBOX_SIG_HCI_BRIDGE_PWR_SAV_OFF, BTPWRSAV_TIMEOUT_MS); - } - - if (status) { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to enable/disable HCI power management!\n")); - } else { - AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HCI power management enabled/disabled!\n")); - } - - return status; -} - -#endif //ATH_AR6K_ENABLE_GMBOX - |