diff options
Diffstat (limited to 'drivers/staging/ath6kl/htc2/htc_internal.h')
| -rw-r--r-- | drivers/staging/ath6kl/htc2/htc_internal.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/drivers/staging/ath6kl/htc2/htc_internal.h b/drivers/staging/ath6kl/htc2/htc_internal.h deleted file mode 100644 index cac97351769a..000000000000 --- a/drivers/staging/ath6kl/htc2/htc_internal.h +++ /dev/null @@ -1,211 +0,0 @@ -//------------------------------------------------------------------------------ -// <copyright file="htc_internal.h" 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. -// -// -//------------------------------------------------------------------------------ -//============================================================================== -// Author(s): ="Atheros" -//============================================================================== -#ifndef _HTC_INTERNAL_H_ -#define _HTC_INTERNAL_H_ - -/* for debugging, uncomment this to capture the last frame header, on frame header - * processing errors, the last frame header is dump for comparison */ -//#define HTC_CAPTURE_LAST_FRAME - - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/* Header files */ - -#include "a_config.h" -#include "athdefs.h" -#include "a_osapi.h" -#include "htc_debug.h" -#include "htc.h" -#include "htc_api.h" -#include "bmi_msg.h" -#include "hif.h" -#include "AR6000/ar6k.h" - -/* HTC operational parameters */ -#define HTC_TARGET_RESPONSE_TIMEOUT 2000 /* in ms */ -#define HTC_TARGET_DEBUG_INTR_MASK 0x01 -#define HTC_TARGET_CREDIT_INTR_MASK 0xF0 - -#define HTC_HOST_MAX_MSG_PER_BUNDLE 8 -#define HTC_MIN_HTC_MSGS_TO_BUNDLE 2 - -/* packet flags */ - -#define HTC_RX_PKT_IGNORE_LOOKAHEAD (1 << 0) -#define HTC_RX_PKT_REFRESH_HDR (1 << 1) -#define HTC_RX_PKT_PART_OF_BUNDLE (1 << 2) -#define HTC_RX_PKT_NO_RECYCLE (1 << 3) - -/* scatter request flags */ - -#define HTC_SCATTER_REQ_FLAGS_PARTIAL_BUNDLE (1 << 0) - -struct htc_endpoint { - HTC_ENDPOINT_ID Id; - HTC_SERVICE_ID ServiceID; /* service ID this endpoint is bound to - non-zero value means this endpoint is in use */ - struct htc_packet_queue TxQueue; /* HTC frame buffer TX queue */ - struct htc_packet_queue RxBuffers; /* HTC frame buffer RX list */ - struct htc_endpoint_credit_dist CreditDist; /* credit distribution structure (exposed to driver layer) */ - struct htc_ep_callbacks EpCallBacks; /* callbacks associated with this endpoint */ - int MaxTxQueueDepth; /* max depth of the TX queue before we need to - call driver's full handler */ - int MaxMsgLength; /* max length of endpoint message */ - int TxProcessCount; /* reference count to continue tx processing */ - struct htc_packet_queue RecvIndicationQueue; /* recv packets ready to be indicated */ - int RxProcessCount; /* reference count to allow single processing context */ - struct htc_target *target; /* back pointer to target */ - u8 SeqNo; /* TX seq no (helpful) for debugging */ - u32 LocalConnectionFlags; /* local connection flags */ - struct htc_endpoint_stats EndPointStats; /* endpoint statistics */ -}; - -#define INC_HTC_EP_STAT(p,stat,count) (p)->EndPointStats.stat += (count); -#define HTC_SERVICE_TX_PACKET_TAG HTC_TX_PACKET_TAG_INTERNAL - -#define NUM_CONTROL_BUFFERS 8 -#define NUM_CONTROL_TX_BUFFERS 2 -#define NUM_CONTROL_RX_BUFFERS (NUM_CONTROL_BUFFERS - NUM_CONTROL_TX_BUFFERS) - -struct htc_control_buffer { - struct htc_packet HtcPacket; - u8 *Buffer; -}; - -#define HTC_RECV_WAIT_BUFFERS (1 << 0) -#define HTC_OP_STATE_STOPPING (1 << 0) - -/* our HTC target state */ -struct htc_target { - struct htc_endpoint EndPoint[ENDPOINT_MAX]; - struct htc_control_buffer HTCControlBuffers[NUM_CONTROL_BUFFERS]; - struct htc_endpoint_credit_dist *EpCreditDistributionListHead; - struct htc_packet_queue ControlBufferTXFreeList; - struct htc_packet_queue ControlBufferRXFreeList; - HTC_CREDIT_DIST_CALLBACK DistributeCredits; - HTC_CREDIT_INIT_CALLBACK InitCredits; - void *pCredDistContext; - int TargetCredits; - unsigned int TargetCreditSize; - A_MUTEX_T HTCLock; - A_MUTEX_T HTCRxLock; - A_MUTEX_T HTCTxLock; - struct ar6k_device Device; /* AR6K - specific state */ - u32 OpStateFlags; - u32 RecvStateFlags; - HTC_ENDPOINT_ID EpWaitingForBuffers; - bool TargetFailure; -#ifdef HTC_CAPTURE_LAST_FRAME - struct htc_frame_hdr LastFrameHdr; /* useful for debugging */ - u8 LastTrailer[256]; - u8 LastTrailerLength; -#endif - struct htc_init_info HTCInitInfo; - u8 HTCTargetVersion; - int MaxMsgPerBundle; /* max messages per bundle for HTC */ - bool SendBundlingEnabled; /* run time enable for send bundling (dynamic) */ - int RecvBundlingEnabled; /* run time enable for recv bundling (dynamic) */ -}; - -#define HTC_STOPPING(t) ((t)->OpStateFlags & HTC_OP_STATE_STOPPING) -#define LOCK_HTC(t) A_MUTEX_LOCK(&(t)->HTCLock); -#define UNLOCK_HTC(t) A_MUTEX_UNLOCK(&(t)->HTCLock); -#define LOCK_HTC_RX(t) A_MUTEX_LOCK(&(t)->HTCRxLock); -#define UNLOCK_HTC_RX(t) A_MUTEX_UNLOCK(&(t)->HTCRxLock); -#define LOCK_HTC_TX(t) A_MUTEX_LOCK(&(t)->HTCTxLock); -#define UNLOCK_HTC_TX(t) A_MUTEX_UNLOCK(&(t)->HTCTxLock); - -#define GET_HTC_TARGET_FROM_HANDLE(hnd) ((struct htc_target *)(hnd)) -#define HTC_RECYCLE_RX_PKT(target,p,e) \ -{ \ - if ((p)->PktInfo.AsRx.HTCRxFlags & HTC_RX_PKT_NO_RECYCLE) { \ - HTC_PACKET_RESET_RX(pPacket); \ - pPacket->Status = A_ECANCELED; \ - (e)->EpCallBacks.EpRecv((e)->EpCallBacks.pContext, \ - (p)); \ - } else { \ - HTC_PACKET_RESET_RX(pPacket); \ - HTCAddReceivePkt((HTC_HANDLE)(target),(p)); \ - } \ -} - -/* internal HTC functions */ -void HTCControlTxComplete(void *Context, struct htc_packet *pPacket); -void HTCControlRecv(void *Context, struct htc_packet *pPacket); -int HTCWaitforControlMessage(struct htc_target *target, struct htc_packet **ppControlPacket); -struct htc_packet *HTCAllocControlBuffer(struct htc_target *target, struct htc_packet_queue *pList); -void HTCFreeControlBuffer(struct htc_target *target, struct htc_packet *pPacket, struct htc_packet_queue *pList); -int HTCIssueSend(struct htc_target *target, struct htc_packet *pPacket); -void HTCRecvCompleteHandler(void *Context, struct htc_packet *pPacket); -int HTCRecvMessagePendingHandler(void *Context, u32 MsgLookAheads[], int NumLookAheads, bool *pAsyncProc, int *pNumPktsFetched); -void HTCProcessCreditRpt(struct htc_target *target, HTC_CREDIT_REPORT *pRpt, int NumEntries, HTC_ENDPOINT_ID FromEndpoint); -int HTCSendSetupComplete(struct htc_target *target); -void HTCFlushRecvBuffers(struct htc_target *target); -void HTCFlushSendPkts(struct htc_target *target); - -#ifdef ATH_DEBUG_MODULE -void DumpCreditDist(struct htc_endpoint_credit_dist *pEPDist); -void DumpCreditDistStates(struct htc_target *target); -void DebugDumpBytes(u8 *buffer, u16 length, char *pDescription); -#endif - -static INLINE struct htc_packet *HTC_ALLOC_CONTROL_TX(struct htc_target *target) { - struct htc_packet *pPacket = HTCAllocControlBuffer(target,&target->ControlBufferTXFreeList); - if (pPacket != NULL) { - /* set payload pointer area with some headroom */ - pPacket->pBuffer = pPacket->pBufferStart + HTC_HDR_LENGTH; - } - return pPacket; -} - -#define HTC_FREE_CONTROL_TX(t,p) HTCFreeControlBuffer((t),(p),&(t)->ControlBufferTXFreeList) -#define HTC_ALLOC_CONTROL_RX(t) HTCAllocControlBuffer((t),&(t)->ControlBufferRXFreeList) -#define HTC_FREE_CONTROL_RX(t,p) \ -{ \ - HTC_PACKET_RESET_RX(p); \ - HTCFreeControlBuffer((t),(p),&(t)->ControlBufferRXFreeList); \ -} - -#define HTC_PREPARE_SEND_PKT(pP,sendflags,ctrl0,ctrl1) \ -{ \ - u8 *pHdrBuf; \ - (pP)->pBuffer -= HTC_HDR_LENGTH; \ - pHdrBuf = (pP)->pBuffer; \ - A_SET_UINT16_FIELD(pHdrBuf,struct htc_frame_hdr,PayloadLen,(u16)(pP)->ActualLength); \ - A_SET_UINT8_FIELD(pHdrBuf,struct htc_frame_hdr,Flags,(sendflags)); \ - A_SET_UINT8_FIELD(pHdrBuf,struct htc_frame_hdr,EndpointID, (u8)(pP)->Endpoint); \ - A_SET_UINT8_FIELD(pHdrBuf,struct htc_frame_hdr,ControlBytes[0], (u8)(ctrl0)); \ - A_SET_UINT8_FIELD(pHdrBuf,struct htc_frame_hdr,ControlBytes[1], (u8)(ctrl1)); \ -} - -#define HTC_UNPREPARE_SEND_PKT(pP) \ - (pP)->pBuffer += HTC_HDR_LENGTH; \ - -#ifdef __cplusplus -} -#endif - -#endif /* _HTC_INTERNAL_H_ */ |