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/*-
* dgreg.h $Id: dgreg.h,v 1.2 1995/10/04 21:51:26 jkh Exp $
*
* Digiboard driver.
*
* Stage 1. "Better than nothing".
*
* Based on sio driver by Bruce Evans and on Linux driver by Troy
* De Jongh <troyd@digibd.com> or <troyd@skypoint.com>
* which is under GNU General Public License version 2 so this driver
* is forced to be under GPL 2 too.
*
* Written by Serge Babkin,
* Joint Stock Commercial Bank "Chelindbank"
* (Chelyabinsk, Russia)
* babkin@hq.icb.chel.su
*/
#define DEBUG 1
#define MAX_DGB_PORTS 32
/* digi.h */
/* Definitions for DigiBoard ditty(1) command. */
#if !defined(TIOCMODG)
#define TIOCMODG ('d'<<8) | 250 /* get modem ctrl state */
#define TIOCMODS ('d'<<8) | 251 /* set modem ctrl state */
#endif
#if !defined(TIOCMSET)
#define TIOCMSET ('d'<<8) | 252 /* set modem ctrl state */
#define TIOCMGET ('d'<<8) | 253 /* set modem ctrl state */
#endif
#if !defined(TIOCMBIC)
#define TIOCMBIC ('d'<<8) | 254 /* set modem ctrl state */
#define TIOCMBIS ('d'<<8) | 255 /* set modem ctrl state */
#endif
#if !defined(TIOCSDTR)
#define TIOCSDTR ('e'<<8) | 0 /* set DTR */
#define TIOCCDTR ('e'<<8) | 1 /* clear DTR */
#endif
/************************************************************************
* Ioctl command arguments for DIGI parameters.
************************************************************************/
#define DIGI_GETA ('e'<<8) | 94 /* Read params */
#define DIGI_SETA ('e'<<8) | 95 /* Set params */
#define DIGI_SETAW ('e'<<8) | 96 /* Drain & set params */
#define DIGI_SETAF ('e'<<8) | 97 /* Drain, flush & set params */
#define DIGI_GETFLOW ('e'<<8) | 99 /* Get startc/stopc flow */
/* control characters */
#define DIGI_SETFLOW ('e'<<8) | 100 /* Set startc/stopc flow */
/* control characters */
#define DIGI_GETAFLOW ('e'<<8) | 101 /* Get Aux. startc/stopc */
/* flow control chars */
#define DIGI_SETAFLOW ('e'<<8) | 102 /* Set Aux. startc/stopc */
/* flow control chars */
struct digiflow_struct {
unsigned char startc; /* flow cntl start char */
unsigned char stopc; /* flow cntl stop char */
};
typedef struct digiflow_struct digiflow_t;
/************************************************************************
* Values for digi_flags
************************************************************************/
#define DIGI_IXON 0x0001 /* Handle IXON in the FEP */
#define DIGI_FAST 0x0002 /* Fast baud rates */
#define RTSPACE 0x0004 /* RTS input flow control */
#define CTSPACE 0x0008 /* CTS output flow control */
#define DSRPACE 0x0010 /* DSR output flow control */
#define DCDPACE 0x0020 /* DCD output flow control */
#define DTRPACE 0x0040 /* DTR input flow control */
#define DIGI_FORCEDCD 0x0100 /* Force carrier */
#define DIGI_ALTPIN 0x0200 /* Alternate RJ-45 pin config */
#define DIGI_AIXON 0x0400 /* Aux flow control in fep */
/************************************************************************
* Structure used with ioctl commands for DIGI parameters.
************************************************************************/
struct digi_struct {
unsigned short digi_flags; /* Flags (see above) */
};
typedef struct digi_struct digi_t;
/* fep.h */
#define FEP_CSTART 0x400L
#define FEP_CMAX 0x800L
#define FEP_ISTART 0x800L
#define FEP_IMAX 0xC00L
#define FEP_CIN 0xD10L
#define FEP_GLOBAL 0xD10L
#define FEP_EIN 0xD18L
#define FEPSTAT 0xD20L
#define CHANSTRUCT 0x1000L
#define RXTXBUF 0x4000L
struct global_data {
volatile ushort cin;
volatile ushort cout;
volatile ushort cstart;
volatile ushort cmax;
volatile ushort ein;
volatile ushort eout;
volatile ushort istart;
volatile ushort imax;
};
struct board_chan {
int filler1;
int filler2;
volatile ushort tseg;
volatile ushort tin;
volatile ushort tout;
volatile ushort tmax;
volatile ushort rseg;
volatile ushort rin;
volatile ushort rout;
volatile ushort rmax;
volatile ushort tlow;
volatile ushort rlow;
volatile ushort rhigh;
volatile ushort incr;
volatile ushort etime;
volatile ushort edelay;
volatile u_char *dev;
volatile ushort iflag;
volatile ushort oflag;
volatile ushort cflag;
volatile ushort gmask;
volatile ushort col;
volatile ushort delay;
volatile ushort imask;
volatile ushort tflush;
int filler3;
int filler4;
int filler5;
int filler6;
volatile u_char num;
volatile u_char ract;
volatile u_char bstat;
volatile u_char tbusy;
volatile u_char iempty;
volatile u_char ilow;
volatile u_char idata;
volatile u_char eflag;
volatile u_char tflag;
volatile u_char rflag;
volatile u_char xmask;
volatile u_char xval;
volatile u_char mstat;
volatile u_char mchange;
volatile u_char mint;
volatile u_char lstat;
volatile u_char mtran;
volatile u_char orun;
volatile u_char startca;
volatile u_char stopca;
volatile u_char startc;
volatile u_char stopc;
volatile u_char vnext;
volatile u_char hflow;
volatile u_char fillc;
volatile u_char ochar;
volatile u_char omask;
u_char filler7;
u_char filler8[28];
};
#define SRXLWATER 0xE0
#define SRXHWATER 0xE1
#define STOUT 0xE2
#define PAUSETX 0xE3
#define RESUMETX 0xE4
#define SAUXONOFFC 0xE6
#define SENDBREAK 0xE8
#define SETMODEM 0xE9
#define SETIFLAGS 0xEA
#define SONOFFC 0xEB
#define STXLWATER 0xEC
#define PAUSERX 0xEE
#define RESUMERX 0xEF
#define SETBUFFER 0xF2
#define SETCOOKED 0xF3
#define SETHFLOW 0xF4
#define SETCTRLFLAGS 0xF5
#define SETVNEXT 0xF6
#define BREAK_IND 0x01
#define LOWTX_IND 0x02
#define EMPTYTX_IND 0x04
#define DATA_IND 0x08
#define MODEMCHG_IND 0x20
#define ALL_IND (BREAK_IND|LOWTX_IND|EMPTYTX_IND|DATA_IND|MODEMCHG_IND)
#define RTS 0x02
#define CD 0x08
#define DSR 0x10
#define CTS 0x20
#define RI 0x40
#define DTR 0x80
/* pcxx.h */
#define FEPCODESEG 0x0200L
#define FEPCODE 0x2000L
#define BIOSCODE 0xf800L
#define MISCGLOBAL 0x0C00L
#define NPORT 0x0C22L
#define MBOX 0x0C40L
#define PORTBASE 0x0C90L
#define BOTWIN 0x100L
#define TOPWIN 0xFF00L
#define FEPCLR 0x00
#define FEPMEM 0x02
#define FEPRST 0x04
#define FEPINT 0x08
#define FEPMASK 0x0e
#define FEPWIN 0x80
#define PCXI 0
#define PCXE 1
#define PCXEVE 2
static char *board_desc[] = {
"PC/Xi (64K)",
"PC/Xe (64K)",
"PC/Xe (8K) ",
};
#define STARTC 021
#define STOPC 023
#define IAIXON 0x2000
struct board_info {
u_char status;
u_char type;
u_char altpin;
ushort numports;
ushort port;
u_long membase;
};
#define TXSTOPPED 0x1
#define LOWWAIT 0x2
#define EMPTYWAIT 0x4
#define DISABLED 0
#define ENABLED 1
#define OFF 0
#define ON 1
#define FEPTIMEOUT 200000
#define SERIAL_TYPE_NORMAL 1
#define SERIAL_TYPE_CALLOUT 2
#define PCXE_EVENT_HANGUP 1
struct channel {
u_char unit; /* board unit number */
u_char omodem; /* FEP output modem status */
u_char imodem; /* FEP input modem status */
u_char modemfake; /* Modem values to be forced */
u_char modem; /* Force values */
u_char hflow;
u_char dsr;
u_char dcd;
u_char stopc;
u_char startc;
u_char stopca;
u_char startca;
u_char fepstopc;
u_char fepstartc;
u_char fepstopca;
u_char fepstartca;
u_char txwin;
u_char rxwin;
ushort fepiflag;
ushort fepcflag;
ushort fepoflag;
ushort txbufhead;
ushort txbufsize;
ushort rxbufhead;
ushort rxbufsize;
int close_delay;
int count;
int blocked_open;
int event;
int asyncflags;
uint dev;
long session;
long pgrp;
u_long statusflags;
u_long c_iflag;
u_long c_cflag;
u_long c_lflag;
u_long c_oflag;
u_char *txptr;
u_char *rxptr;
struct board_info *board;
struct board_chan *brdchan;
struct digi_struct digiext;
struct tty *tty;
struct termios normal_termios;
struct termios callout_termios;
volatile struct global_data *mailbox;
};
/* flags for configuring */
#define DGBFLAG_ALTPIN 0x0001 /* chande DCD and DCD */
#define DGBFLAG_NOWIN 0x0002 /* use windowed PC/Xe as non-windowed */
/* debugging printout */
#ifdef DEBUG
# define DPRINT1(a1) (dgbdebug ? printf(a1) : 0)
# define DPRINT2(a1,a2) (dgbdebug ? printf(a1,a2) : 0)
# define DPRINT3(a1,a2,a3) (dgbdebug ? printf(a1,a2,a3) : 0)
# define DPRINT4(a1,a2,a3,a4) (dgbdebug ? printf(a1,a2,a3,a4) : 0)
# define DPRINT5(a1,a2,a3,a4,a5) (dgbdebug ? printf(a1,a2,a3,a4,a5) : 0)
#else
# define DPRINT1(a1)
# define DPRINT2(a1,a2)
# define DPRINT3(a1,a2,a3)
# define DPRINT4(a1,a2,a3,a4)
# define DPRINT5(a1,a2,a3,a4,a5)
#endif
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