linux-sg2042/drivers/isdn/hysdn/ince1pc.h

135 lines
4.6 KiB
C

/*
* Linux driver for HYSDN cards
* common definitions for both sides of the bus:
* - conventions both spoolers must know
* - channel numbers agreed upon
*
* Author M. Steinkopf
* Copyright 1999 by M. Steinkopf
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#ifndef __INCE1PC_H__
#define __INCE1PC_H__
/* basic scalar definitions have same meanning,
* but their declaration location depends on environment
*/
/*--------------------------------------channel numbers---------------------*/
#define CHAN_SYSTEM 0x0001 /* system channel (spooler to spooler) */
#define CHAN_ERRLOG 0x0005 /* error logger */
#define CHAN_CAPI 0x0064 /* CAPI interface */
#define CHAN_NDIS_DATA 0x1001 /* NDIS data transfer */
/*--------------------------------------POF ready msg-----------------------*/
/* NOTE: after booting POF sends system ready message to PC: */
#define RDY_MAGIC 0x52535953UL /* 'SYSR' reversed */
#define RDY_MAGIC_SIZE 4 /* size in bytes */
#define MAX_N_TOK_BYTES 255
#define MIN_RDY_MSG_SIZE RDY_MAGIC_SIZE
#define MAX_RDY_MSG_SIZE (RDY_MAGIC_SIZE+MAX_N_TOK_BYTES)
#define SYSR_TOK_END 0
#define SYSR_TOK_B_CHAN 1 /* nr. of B-Channels; DataLen=1; def: 2 */
#define SYSR_TOK_FAX_CHAN 2 /* nr. of FAX Channels; DataLen=1; def: 0 */
#define SYSR_TOK_MAC_ADDR 3 /* MAC-Address; DataLen=6; def: auto */
#define SYSR_TOK_ESC 255 /* undefined data size yet */
/* default values, if not corrected by token: */
#define SYSR_TOK_B_CHAN_DEF 2 /* assume 2 B-Channels */
#define SYSR_TOK_FAX_CHAN_DEF 1 /* assume 1 FAX Channel */
/* syntax of new SYSR token stream:
* channel: CHAN_SYSTEM
* msgsize: MIN_RDY_MSG_SIZE <= x <= MAX_RDY_MSG_SIZE
* RDY_MAGIC_SIZE <= x <= (RDY_MAGIC_SIZE+MAX_N_TOK_BYTES)
* msg : 0 1 2 3 {4 5 6 ..}
* S Y S R MAX_N_TOK_BYTES bytes of TokenStream
*
* TokenStream := empty
* | {NonEndTokenChunk} EndToken RotlCRC
* NonEndTokenChunk:= NonEndTokenId DataLen [Data]
* NonEndTokenId := 0x01 .. 0xFE 1 BYTE
* DataLen := 0x00 .. 0xFF 1 BYTE
* Data := DataLen bytes
* EndToken := 0x00
* RotlCRC := special 1 byte CRC over all NonEndTokenChunk bytes
* s. RotlCRC algorithm
*
* RotlCRC algorithm:
* ucSum= 0 1 unsigned char
* for all NonEndTokenChunk bytes:
* ROTL(ucSum,1) rotate left by 1
* ucSum += Char; add current byte with swap around
* RotlCRC= ~ucSum; invert all bits for result
*
* note:
* - for 16-bit FIFO add padding 0 byte to achieve even token data bytes!
*/
/*--------------------------------------error logger------------------------*/
/* note: pof needs final 0 ! */
#define ERRLOG_CMD_REQ "ERRLOG ON"
#define ERRLOG_CMD_REQ_SIZE 10 /* with final 0 byte ! */
#define ERRLOG_CMD_STOP "ERRLOG OFF"
#define ERRLOG_CMD_STOP_SIZE 11 /* with final 0 byte ! */
#define ERRLOG_ENTRY_SIZE 64 /* sizeof(tErrLogEntry) */
/* remaining text size = 55 */
#define ERRLOG_TEXT_SIZE (ERRLOG_ENTRY_SIZE-2*4-1)
typedef struct ErrLogEntry_tag {
/*00 */ unsigned long ulErrType;
/*04 */ unsigned long ulErrSubtype;
/*08 */ unsigned char ucTextSize;
/*09 */ unsigned char ucText[ERRLOG_TEXT_SIZE];
/* ASCIIZ of len ucTextSize-1 */
/*40 */
} tErrLogEntry;
#if defined(__TURBOC__)
#if sizeof(tErrLogEntry) != ERRLOG_ENTRY_SIZE
#error size of tErrLogEntry != ERRLOG_ENTRY_SIZE
#endif /* */
#endif /* */
/*--------------------------------------DPRAM boot spooler------------------*/
/* this is the struture used between pc and
* hyperstone to exchange boot data
*/
#define DPRAM_SPOOLER_DATA_SIZE 0x20
typedef struct DpramBootSpooler_tag {
/*00 */ unsigned char Len;
/*01 */ volatile unsigned char RdPtr;
/*02 */ unsigned char WrPtr;
/*03 */ unsigned char Data[DPRAM_SPOOLER_DATA_SIZE];
/*23 */
} tDpramBootSpooler;
#define DPRAM_SPOOLER_MIN_SIZE 5 /* Len+RdPtr+Wrptr+2*data */
#define DPRAM_SPOOLER_DEF_SIZE 0x23 /* current default size */
/*--------------------------------------HYCARD/ERGO DPRAM SoftUart----------*/
/* at DPRAM offset 0x1C00: */
#define SIZE_RSV_SOFT_UART 0x1B0 /* 432 bytes reserved for SoftUart */
#endif /* __INCE1PC_H__ */