mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-09 03:30:16 +02:00
fb189822fc
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15918 3c298f89-4303-0410-b956-a3cf2f4a3e73
169 lines
6.8 KiB
C
169 lines
6.8 KiB
C
/*
|
|
*
|
|
* 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.
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
#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
|
|
|
|
//#define HTC_EP_STAT_PROFILING
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
/* Header files */
|
|
#include "a_config.h"
|
|
#include "athdefs.h"
|
|
#include "a_types.h"
|
|
#include "a_osapi.h"
|
|
#include "a_debug.h"
|
|
#include "htc.h"
|
|
#include "htc_api.h"
|
|
#include "bmi_msg.h"
|
|
#include "hif.h"
|
|
#include "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
|
|
|
|
typedef struct _HTC_ENDPOINT {
|
|
HTC_SERVICE_ID ServiceID; /* service ID this endpoint is bound to
|
|
non-zero value means this endpoint is in use */
|
|
HTC_PACKET_QUEUE TxQueue; /* HTC frame buffer TX queue */
|
|
HTC_PACKET_QUEUE RxBuffers; /* HTC frame buffer RX list */
|
|
HTC_ENDPOINT_CREDIT_DIST CreditDist; /* credit distribution structure (exposed to driver layer) */
|
|
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 CurrentTxQueueDepth; /* current TX queue depth */
|
|
int MaxMsgLength; /* max length of endpoint message */
|
|
#ifdef HTC_EP_STAT_PROFILING
|
|
HTC_ENDPOINT_STATS EndPointStats; /* endpoint statistics */
|
|
#endif
|
|
} HTC_ENDPOINT;
|
|
|
|
#ifdef HTC_EP_STAT_PROFILING
|
|
#define INC_HTC_EP_STAT(p,stat,count) (p)->EndPointStats.stat += (count);
|
|
#else
|
|
#define INC_HTC_EP_STAT(p,stat,count)
|
|
#endif
|
|
|
|
#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)
|
|
|
|
#define HTC_CONTROL_BUFFER_SIZE (HTC_MAX_CONTROL_MESSAGE_LENGTH + HTC_HDR_LENGTH)
|
|
|
|
typedef struct HTC_CONTROL_BUFFER {
|
|
HTC_PACKET HtcPacket;
|
|
A_UINT8 Buffer[HTC_CONTROL_BUFFER_SIZE];
|
|
} HTC_CONTROL_BUFFER;
|
|
|
|
/* our HTC target state */
|
|
typedef struct _HTC_TARGET {
|
|
HTC_ENDPOINT EndPoint[ENDPOINT_MAX];
|
|
HTC_CONTROL_BUFFER HTCControlBuffers[NUM_CONTROL_BUFFERS];
|
|
HTC_ENDPOINT_CREDIT_DIST *EpCreditDistributionListHead;
|
|
HTC_PACKET_QUEUE ControlBufferTXFreeList;
|
|
HTC_PACKET_QUEUE ControlBufferRXFreeList;
|
|
HTC_CREDIT_DIST_CALLBACK DistributeCredits;
|
|
HTC_CREDIT_INIT_CALLBACK InitCredits;
|
|
void *pCredDistContext;
|
|
int TargetCredits;
|
|
int TargetCreditSize;
|
|
A_MUTEX_T HTCLock;
|
|
A_MUTEX_T HTCRxLock;
|
|
A_MUTEX_T HTCTxLock;
|
|
AR6K_DEVICE Device; /* AR6K - specific state */
|
|
A_UINT32 HTCStateFlags;
|
|
HTC_ENDPOINT_ID EpWaitingForBuffers;
|
|
A_BOOL TargetFailure;
|
|
void *pInstanceContext;
|
|
#define HTC_STATE_WAIT_BUFFERS (1 << 0)
|
|
#define HTC_STATE_STOPPING (1 << 1)
|
|
#ifdef HTC_CAPTURE_LAST_FRAME
|
|
HTC_FRAME_HDR LastFrameHdr; /* useful for debugging */
|
|
A_UINT8 LastTrailer[256];
|
|
A_UINT8 LastTrailerLength;
|
|
#endif
|
|
} HTC_TARGET;
|
|
|
|
#define HTC_STOPPING(t) ((t)->HTCStateFlags & HTC_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) ((HTC_TARGET *)(hnd))
|
|
#define HTC_RECYCLE_RX_PKT(target,p) \
|
|
{ \
|
|
HTC_PACKET_RESET_RX(pPacket); \
|
|
HTCAddReceivePkt((HTC_HANDLE)(target),(p)); \
|
|
}
|
|
|
|
/* internal HTC functions */
|
|
void HTCControlTxComplete(void *Context, HTC_PACKET *pPacket);
|
|
void HTCControlRecv(void *Context, HTC_PACKET *pPacket);
|
|
A_STATUS HTCWaitforControlMessage(HTC_TARGET *target, HTC_PACKET **ppControlPacket);
|
|
HTC_PACKET *HTCAllocControlBuffer(HTC_TARGET *target, HTC_PACKET_QUEUE *pList);
|
|
void HTCFreeControlBuffer(HTC_TARGET *target, HTC_PACKET *pPacket, HTC_PACKET_QUEUE *pList);
|
|
A_STATUS HTCIssueSend(HTC_TARGET *target, HTC_PACKET *pPacket, A_UINT8 Flags);
|
|
A_STATUS HTCIssueRecv(HTC_TARGET *target, HTC_PACKET *pPacket);
|
|
void HTCRecvCompleteHandler(void *Context, HTC_PACKET *pPacket);
|
|
A_STATUS HTCRecvMessagePendingHandler(void *Context, A_UINT32 LookAhead, A_BOOL *pAsyncProc);
|
|
void HTCProcessCreditRpt(HTC_TARGET *target, HTC_CREDIT_REPORT *pRpt, int NumEntries, HTC_ENDPOINT_ID FromEndpoint);
|
|
A_STATUS HTCSendSetupComplete(HTC_TARGET *target);
|
|
void HTCFlushRecvBuffers(HTC_TARGET *target);
|
|
void HTCFlushSendPkts(HTC_TARGET *target);
|
|
void DumpCreditDist(HTC_ENDPOINT_CREDIT_DIST *pEPDist);
|
|
void DumpCreditDistStates(HTC_TARGET *target);
|
|
void DebugDumpBytes(A_UCHAR *buffer, A_UINT16 length, char *pDescription);
|
|
|
|
static INLINE HTC_PACKET *HTC_ALLOC_CONTROL_TX(HTC_TARGET *target) {
|
|
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); \
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _HTC_INTERNAL_H_ */
|