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kernel/linux-rt-4.4.41/drivers/isdn/hardware/eicon/pr_pc.h 2.45 KB
5113f6f70   김현기   kernel add
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  /*
   *
   Copyright (c) Eicon Networks, 2002.
   *
   This source file is supplied for the use with
   Eicon Networks range of DIVA Server Adapters.
   *
   Eicon File Revision :    2.1
   *
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.
   *
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
   implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   See the GNU General Public License for more details.
   *
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   *
   */
  struct pr_ram {
  	word NextReq;         /* pointer to next Req Buffer               */
  	word NextRc;          /* pointer to next Rc Buffer                */
  	word NextInd;         /* pointer to next Ind Buffer               */
  	byte ReqInput;        /* number of Req Buffers sent               */
  	byte ReqOutput;       /* number of Req Buffers returned           */
  	byte ReqReserved;     /* number of Req Buffers reserved           */
  	byte Int;             /* ISDN-P interrupt                         */
  	byte XLock;           /* Lock field for arbitration               */
  	byte RcOutput;        /* number of Rc buffers received            */
  	byte IndOutput;       /* number of Ind buffers received           */
  	byte IMask;           /* Interrupt Mask Flag                      */
  	byte Reserved1[2];    /* reserved field, do not use               */
  	byte ReadyInt;        /* request field for ready interrupt        */
  	byte Reserved2[12];   /* reserved field, do not use               */
  	byte InterfaceType;   /* interface type 1=16K interface           */
  	word Signature;       /* ISDN-P initialized indication            */
  	byte B[1];            /* buffer space for Req,Ind and Rc          */
  };
  typedef struct {
  	word next;
  	byte Req;
  	byte ReqId;
  	byte ReqCh;
  	byte Reserved1;
  	word Reference;
  	byte Reserved[8];
  	PBUFFER XBuffer;
  } REQ;
  typedef struct {
  	word next;
  	byte Rc;
  	byte RcId;
  	byte RcCh;
  	byte Reserved1;
  	word Reference;
  	byte Reserved2[8];
  } RC;
  typedef struct {
  	word next;
  	byte Ind;
  	byte IndId;
  	byte IndCh;
  	byte MInd;
  	word MLength;
  	word Reference;
  	byte RNR;
  	byte Reserved;
  	dword Ack;
  	PBUFFER RBuffer;
  } IND;