atheros_2_0_function.patch

1 files changed, 168 insertions, 0 deletions

diff --git a/drivers/sdio/function/wlan/ar6000/htc/htc_internal.h b/drivers/sdio/function/wlan/ar6000/htc/htc_internal.h
new file mode 100644
index 00000000000..ebb8ac16ed1
--- /dev/null
+++ b/drivers/sdio/function/wlan/ar6000/htc/htc_internal.h
@@ -0,0 +1,168 @@
+/*
+ *
+ * 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_ */