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/*
************************************************************************ * * NSC.h * * * Portions Copyright (C) 1996-1998 National Semiconductor Corp. * All rights reserved. * Copyright (C) 1996-1998 Microsoft Corporation. All Rights Reserved. * * * ************************************************************************* */
#ifndef NSC_H
#define NSC_H
#include <ndis.h>
#include "dmautil.h"
#include <ntddndis.h> // defines OID's
#include "settings.h"
#include "comm.h"
#include "sync.h"
#include "newdong.h"
#define NSC_MAJOR_VERSION 1
#define NSC_MINOR_VERSION 11
#define NSC_LETTER_VERSION 's'
#define NDIS_MAJOR_VERSION 5
#define NDIS_MINOR_VERSION 0
extern ULONG DebugSpeed;
#define TIMER_RESOLTION_IN_US (125)
#define TIMER_PERIODS (10)
#define RECEIVE_TIMEOUT (TIMER_RESOLTION_IN_US * TIMER_PERIODS)
//
// Registry Keywords.
//
#define CARDTYPE NDIS_STRING_CONST("BoardType")
#define DONGLE_A_TYPE NDIS_STRING_CONST("Dongle_A_Type")
#define DONGLE_B_TYPE NDIS_STRING_CONST("Dongle_B_Type")
#define MAXCONNECTRATE NDIS_STRING_CONST("MaxConnectRate")
//
// bank 0
//
#define BANK_0 (0)
#define TXD_RXD_OFFSET (0)
#define LCR_BSR_OFFSET (3)
#define LSR_OFFSET (5)
#define ASCR_OFFSET (7)
//
// bank 2
//
#define BANK_2 (2)
#define TXFLV_OFFSET (6)
#define BANK_4 (4)
#define TFRCCL_OFFSET (4)
#define TFRCCH_OFFSET (4)
#define BKSE (1 << 7)
#define FRM_ST (5)
#define RFRL_L (6)
#define RFRL_H (7)
#define ST_FIFO_LOST_FR (1 << 6)
#define ST_FIFO_VALID (1 << 7)
#define LSR_OE (1 << 1)
#define LSR_TXRDY (1 << 5)
#define LSR_TXEMP (1 << 6)
#define LSR_FR_END (1 << 7)
#define ASCR_TXUR (1 << 6)
//
// Valid value ranges for the DMA Channels.
//
#define VALID_DMACHANNELS {0xFF,0x0,0x1,0x3}
#define FIR_INT_MASK 0x14
//#define FIR_INT_MASK 0x50
enum NSC_EXT_INTS { RXHDL_EV = (1 << 0), TXLDL_EV = (1 << 1), LS_EV = (1 << 2), MS_EV = (1 << 3), DMA_EV = (1 << 4), TXEMP_EV = (1 << 5), SFIF_EV = (1 << 6), TMR_EV = (1 << 7) };
typedef struct DebugCounters { ULONG TxPacketsStarted; ULONG TxPacketsCompleted; ULONG ReceivedPackets; ULONG WindowSize; ULONG StatusFIFOOverflows; ULONG TxUnderruns; ULONG ReceiveFIFOOverflows; ULONG MissedPackets; ULONG ReceiveCRCErrors; ULONG ReturnPacketHandlerCalled; ULONG RxWindow; ULONG RxWindowMax; ULONG RxDPC_Window; ULONG RxDPC_WindowMax; ULONG RxDPC_G1_Count; } DebugCounters;
/*
* A receive buffer is either FREE (not holding anything) FULL * (holding undelivered data) or PENDING (holding data delivered * asynchronously) */ typedef enum rcvbufferStates { STATE_FREE, STATE_FULL, STATE_PENDING } rcvBufferState;
typedef struct { LIST_ENTRY listEntry; rcvBufferState state; PNDIS_PACKET packet; UINT dataLen; PUCHAR dataBuf; BOOLEAN isDmaBuf; } rcvBuffer;
typedef struct _NSC_DMA_BUFFER_INFO {
NDIS_HANDLE AdapterHandle; ULONG Length; PVOID VirtualAddress; NDIS_PHYSICAL_ADDRESS PhysicalAddress; BOOLEAN SharedAllocation;
} NSC_DMA_BUFFER_INFO, *PNSC_DMA_BUFFER_INFO;
typedef struct IrDevice { /*
* This is the handle that the NDIS wrapper associates with a * connection. The handle that the miniport driver associates with * the connection is just an index into the devStates array). */ NDIS_HANDLE ndisAdapterHandle;
int CardType;
/*
* Current speed setting, in bits/sec. * (Note: this is updated when we ACTUALLY change the speed, * not when we get the request to change speed via * MiniportSetInformation). */ UINT currentSpeed;
// Current dongle setting, 0 for dongle A, 1 for dongle B
// and so on.
//
UCHAR DonglesSupported; UCHAR currentDongle; UCHAR DongleTypes[2];
UIR IrDongleResource; DongleParam Dingle[2];
UINT AllowedSpeedMask; /*
* This structure holds information about our ISR. * It is used to synchronize with the ISR. */ BOOLEAN InterruptRegistered; NDIS_MINIPORT_INTERRUPT interruptObj;
/*
* Circular queue of pending receive buffers */ #define NUM_RCV_BUFS 16
// #define NEXT_RCV_BUF_INDEX(i) (((i)==NO_BUF_INDEX) ? 0 : (((i)+1)%NUM_RCV_BUFS))
LIST_ENTRY rcvBufBuf; // Protected by SyncWithInterrupt
LIST_ENTRY rcvBufFree; // Protected by SyncWithInterrupt
LIST_ENTRY rcvBufFull; // Protected by SyncWithInterrupt
LIST_ENTRY rcvBufPend; // Protected by QueueLock
NDIS_SPIN_LOCK QueueLock; LIST_ENTRY SendQueue; PNDIS_PACKET CurrentPacket; BOOLEAN FirTransmitPending; BOOLEAN FirReceiveDmaActive; BOOLEAN TransmitIsIdle; BOOLEAN Halting;
BOOLEAN TestingInterrupt; volatile BOOLEAN GotTestInterrupt;
LONG PacketsSentToProtocol;
NDIS_EVENT ReceiveStopped; NDIS_EVENT SendStoppedOnHalt;
/*
* Handle to NDIS packet pool, from which packets are * allocated. */ NDIS_HANDLE packetPoolHandle; NDIS_HANDLE bufferPoolHandle;
/*
* mediaBusy is set TRUE any time that this miniport driver moves a * data frame. It can be reset by the protocol via * MiniportSetInformation and later checked via * MiniportQueryInformation to detect interleaving activity. */ LONG RxInterrupts; BOOLEAN mediaBusy; BOOLEAN haveIndicatedMediaBusy;
/*
* nowReceiving is set while we are receiving a frame. * It (not mediaBusy) is returned to the protocol when the protocol * queries OID_MEDIA_BUSY */ BOOLEAN nowReceiving;
//
// Interrupt Mask.
//
UCHAR FirIntMask;
UCHAR LineStatus; UCHAR InterruptMask; UCHAR InterruptStatus; UCHAR AuxStatus;
BOOLEAN ForceTurnAroundTimeout; #if DBG
BOOLEAN WaitingForTurnAroundTimer;
#endif
/*
* Current link speed information. */ const baudRateInfo *linkSpeedInfo;
/*
* When speed is changed, we have to clear the send queue before * setting the new speed on the hardware. * These vars let us remember to do it. */ PNDIS_PACKET lastPacketAtOldSpeed; BOOLEAN setSpeedAfterCurrentSendPacket;
/*
* Information on the COM port and send/receive FSM's. */ comPortInfo portInfo;
UINT hardwareStatus;
/*
* UIR Module ID. */ int UIR_ModuleId;
/*
* Maintain statistical debug info. */ UINT packetsRcvd; UINT packetsDropped; UINT packetsSent; UINT interruptCount;
/*
* DMA handles */ NDIS_HANDLE DmaHandle; NDIS_HANDLE dmaBufferPoolHandle; PNDIS_BUFFER rcvDmaBuffer; PUCHAR dmaReadBuf; ULONG_PTR rcvDmaOffset; ULONG_PTR rcvDmaSize; ULONG_PTR rcvPktOffset; ULONG_PTR LastReadDMACount;
PNDIS_BUFFER xmitDmaBuffer; // PUCHAR xmitDmaBufferVirtualAddress;
NDIS_TIMER TurnaroundTimer;
ULONG HangChk;
BOOLEAN DiscardNextPacketSet;
DMA_UTIL DmaUtil;
NSC_DMA_BUFFER_INFO ReceiveDmaBufferInfo; NSC_DMA_BUFFER_INFO TransmitDmaBufferInfo; PUCHAR TransmitDmaBuffer; ULONG TransmitDmaLength;
} IrDevice;
/*
* We use a pointer to the IrDevice structure as the miniport's device context. */ #define CONTEXT_TO_DEV(__deviceContext) ((IrDevice *)(__deviceContext))
#define DEV_TO_CONTEXT(__irdev) ((NDIS_HANDLE)(__irdev))
#define ON TRUE
#define OFF FALSE
#include "externs.h"
VOID SyncWriteBankReg( PNDIS_MINIPORT_INTERRUPT InterruptObject, PUCHAR PortBase, UINT BankNumber, UINT RegisterIndex, UCHAR Value );
UCHAR SyncReadBankReg( PNDIS_MINIPORT_INTERRUPT InterruptObject, PUCHAR PortBase, UINT BankNumber, UINT RegisterIndex );
VOID SyncSetInterruptMask( IrDevice *thisDev, BOOLEAN enable );
BOOLEAN SyncGetFifoStatus( PNDIS_MINIPORT_INTERRUPT InterruptObject, PUCHAR PortBase, PUCHAR Status, PULONG Size );
VOID ProcessSendQueue( IrDevice *thisDev );
PVOID NscAllocateDmaBuffer( NDIS_HANDLE AdapterHandle, ULONG Size, PNSC_DMA_BUFFER_INFO DmaBufferInfo );
VOID NscFreeDmaBuffer( PNSC_DMA_BUFFER_INFO DmaBufferInfo );
#define WPP_CONTROL_GUIDS \
WPP_DEFINE_CONTROL_GUID(CtlGuid,(57AC2B71,75CD,4043,9B00,B51674B0DC71), \ WPP_DEFINE_BIT(DBG_LOG_ERROR) \ WPP_DEFINE_BIT(DBG_LOG_INFO) \ WPP_DEFINE_BIT(DBG_LOG_FIR) \ WPP_DEFINE_BIT(DBG_LOG_SIR) \ )
#endif NSC_H
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