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85 lines
2.2 KiB
85 lines
2.2 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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lthrd.h
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Abstract:
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This module contains the hardware specific defines.
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Author:
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Stephen Hou ([email protected])
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Nikhil Kamkolkar ([email protected])
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Revision History:
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19 Jun 1992 Initial Version ([email protected])
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Notes: Tab stop: 4
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--*/
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#ifndef _LTHRD_
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#define _LTHRD_
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#define LT_DEFAULT_SLOT_NUMBER 1
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#define LT_DEFAULT_BUS_NUMBER 0
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#define LT_DEFAULT_RECEIVE_BUFFERS 3
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#define LT_DEFAULT_IO_BASE_ADDRESS 0x340
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#define LT_MAX_ADAPTERS 8
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#define LT_NUMBER_OF_PORTS 4
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#define LT_MAXIMUM_PACKET_SIZE 603
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#define LT_MINIMUM_PACKET_SIZE 3
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#define LT_LENGTH_OF_ADDRESS 1
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#define LT_ADAPTER_POLLED_MODE 0xFF // Adapter in polling mode
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// LT command/response codes.
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#define LT_CMD_LAP_INIT 1 // initialize command.
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#define LT_RSP_LAP_INIT 2 // Initialize response.
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#define LT_CMD_LAP_WRITE 3 // Transmit a lap frame.
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#define LT_RSP_LAP_FRAME 4 // Received lap frameresponse.
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#define LT_CMD_GET_STATUS 5 // Get LAP hardware status command.
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#define LT_RSP_STATUS 6 // LAP Hardware status response.
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typedef struct _LT_STATUS_RESPONSE {
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UCHAR NodeId; // Adapters LocalTalk Address.
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UCHAR RomVer; // Version of LT ROM.
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UCHAR SwVer; // Version of downloaded Firmware
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} LT_STATUS_RESPONSE, *PLT_STATUS_RESPONSE;
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typedef struct _LT_INIT_RESPONSE {
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UCHAR NodeId;
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UCHAR RomVer;
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} LT_INIT_RESPONSE, *PLT_INIT_RESPONSE;
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// Definition for the LT Transfer Control Status Register.
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#define TX_READY 1
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#define RX_READY 2
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// I/O Port Address Mapping Definitions
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#define XFER_PORT Adapter->MappedIoBaseAddr+0 // (Adapter->LtPortAddress)
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#define SC_PORT Adapter->MappedIoBaseAddr+1 // (Adapter->LtPortAddress+1)
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#define RESET_PORT Adapter->MappedIoBaseAddr+3 // (Adapter->LtPortAddress+3)
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typedef struct _LT_CARD_IO {
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USHORT IoLen; // Length of io_data
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UCHAR IoCode; // Command response
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UCHAR IoData[1]; // Command response Data.
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} LtCardIo, *PLtCardIo;
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#ifdef LTHRD_LOCALS
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#endif // LTHRD_LOCALS
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#endif // _LTHRD_
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