1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
|
/*-
* dgmreg.h $FreeBSD$
*
* 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 MAX_DGM_PORTS 64
/* 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 CD 0x80
#define DSR 0x20
#define CTS 0x10
#define DTR 0x01
#define RTS 0x02
#define RI 0x40
#define FEPCODESEG 0x0200L
#define FEPCODE 0x2000L
#define BIOSCODE 0xf800L
#define BIOSOFFSET 0x1000L
#define MISCGLOBAL 0x0C00L
#define NPORT 0x0C02L
#define MBOX 0x0C40L
#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
#define PCXEM 3
static char * const board_desc[] = {
"PC/Xi (64K)",
"PC/Xe (64K)",
"PC/Xe (8K) ",
"PC/Xem ",
};
#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 */
#define DB_RD 0x0001
#define DB_WR 0x0002
#define DB_WIN 0x0004
#define DB_INFO 0x0008
#define DB_EXCEPT 0x0010
#define DB_OPEN 0x0100
#define DB_CLOSE 0x0200
#define DB_DATA 0x0400
#define DB_RXDATA 0x0401
#define DB_TXDATA 0x0402
#define DB_EVENT 0x0800
#define DB_MODEM 0x1000
#define DB_BREAK 0x2000
#define DB_PARAM 0x4000
#define DB_FEP 0x8000
/* debugging printout */
#ifdef DEBUG
#define DPRINT1(l,a1) (dgmdebug&l ? printf(a1) : 0)
#define DPRINT2(l,a1,a2) (dgmdebug&l ? printf(a1,a2) : 0)
#define DPRINT3(l,a1,a2,a3) (dgmdebug&l ? printf(a1,a2,a3) : 0)
#define DPRINT4(l,a1,a2,a3,a4) (dgmdebug&l ? printf(a1,a2,a3,a4) : 0)
#define DPRINT5(l,a1,a2,a3,a4,a5) (dgmdebug&l ? printf(a1,a2,a3,a4,a5) : 0)
#define DPRINT6(l,a1,a2,a3,a4,a5,a6) (dgmdebug&l ? printf(a1,a2,a3,a4,a5,a6) : 0)
#define DPRINT7(l,a1,a2,a3,a4,a5,a6,a7) (dgmdebug&l ? printf(a1,a2,a3,a4,a5,a6,a7) : 0)
#else
#define DPRINT1(l,a1)
#define DPRINT2(l,a1,a2)
#define DPRINT3(l,a1,a2,a3)
#define DPRINT4(l,a1,a2,a3,a4)
#define DPRINT5(l,a1,a2,a3,a4,a5)
#define DPRINT6(l,a1,a2,a3,a4,a5,a6)
#define DPRINT7(l,a1,a2,a3,a4,a5,a6,a7)
#endif
/* These are termios bits as the FEP understands them */
/* c_cflag bits */
#define FEP_CBAUD 0x00000f
#define FEP_B0 0x000000 /* hang up */
#define FEP_B50 0x000001
#define FEP_B75 0x000002
#define FEP_B110 0x000003
#define FEP_B134 0x000004
#define FEP_B150 0x000005
#define FEP_B200 0x000006
#define FEP_B300 0x000007
#define FEP_B600 0x000008
#define FEP_B1200 0x000009
#define FEP_B1800 0x00000a
#define FEP_B2400 0x00000b
#define FEP_B4800 0x00000c
#define FEP_B9600 0x00000d
#define FEP_B19200 0x00000e
#define FEP_B38400 0x00000f
#define FEP_EXTA FEP_B19200
#define FEP_EXTB FEP_B38400
#define FEP_CSIZE 0x000030
#define FEP_CS5 0x000000
#define FEP_CS6 0x000010
#define FEP_CS7 0x000020
#define FEP_CS8 0x000030
#define FEP_CSTOPB 0x000040
#define FEP_CREAD 0x000080
#define FEP_PARENB 0x000100
#define FEP_PARODD 0x000200
#define FEP_CLOCAL 0x000800
#define FEP_FASTBAUD 0x000400
/* c_iflag bits */
#define FEP_IGNBRK 0000001
#define FEP_BRKINT 0000002
#define FEP_IGNPAR 0000004
#define FEP_PARMRK 0000010
#define FEP_INPCK 0000020
#define FEP_ISTRIP 0000040
#define FEP_IXON 0002000
#define FEP_IXANY 0004000
#define FEP_IXOFF 0010000
|