linux/drivers/isdn/hardware/eicon/pr_pc.h

77 lines
2.5 KiB
C

/*
*
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;