Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/gnu/i386/isa/dgreg.h
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1 /*- 2 * dgreg.h $FreeBSD$ 3 * 4 * Digiboard driver. 5 * 6 * Stage 1. "Better than nothing". 7 * 8 * Based on sio driver by Bruce Evans and on Linux driver by Troy 9 * De Jongh <troyd@digibd.com> or <troyd@skypoint.com> 10 * which is under GNU General Public License version 2 so this driver 11 * is forced to be under GPL 2 too. 12 * 13 * Written by Serge Babkin, 14 * Joint Stock Commercial Bank "Chelindbank" 15 * (Chelyabinsk, Russia) 16 * babkin@hq.icb.chel.su 17 */ 18 19 #define MAX_DGB_PORTS 32 20 21 /* digi.h */ 22 /* Definitions for DigiBoard ditty(1) command. */ 23 24 #if !defined(TIOCMODG) 25 #define TIOCMODG ('d'<<8) | 250 /* get modem ctrl state */ 26 #define TIOCMODS ('d'<<8) | 251 /* set modem ctrl state */ 27 #endif 28 29 #if !defined(TIOCMSET) 30 #define TIOCMSET ('d'<<8) | 252 /* set modem ctrl state */ 31 #define TIOCMGET ('d'<<8) | 253 /* set modem ctrl state */ 32 #endif 33 34 #if !defined(TIOCMBIC) 35 #define TIOCMBIC ('d'<<8) | 254 /* set modem ctrl state */ 36 #define TIOCMBIS ('d'<<8) | 255 /* set modem ctrl state */ 37 #endif 38 39 #if !defined(TIOCSDTR) 40 #define TIOCSDTR ('e'<<8) | 0 /* set DTR */ 41 #define TIOCCDTR ('e'<<8) | 1 /* clear DTR */ 42 #endif 43 44 /************************************************************************ 45 * Ioctl command arguments for DIGI parameters. 46 ************************************************************************/ 47 #define DIGI_GETA ('e'<<8) | 94 /* Read params */ 48 49 #define DIGI_SETA ('e'<<8) | 95 /* Set params */ 50 #define DIGI_SETAW ('e'<<8) | 96 /* Drain & set params */ 51 #define DIGI_SETAF ('e'<<8) | 97 /* Drain, flush & set params */ 52 53 #define DIGI_GETFLOW ('e'<<8) | 99 /* Get startc/stopc flow */ 54 /* control characters */ 55 #define DIGI_SETFLOW ('e'<<8) | 100 /* Set startc/stopc flow */ 56 /* control characters */ 57 #define DIGI_GETAFLOW ('e'<<8) | 101 /* Get Aux. startc/stopc */ 58 /* flow control chars */ 59 #define DIGI_SETAFLOW ('e'<<8) | 102 /* Set Aux. startc/stopc */ 60 /* flow control chars */ 61 62 struct digiflow_struct { 63 unsigned char startc; /* flow cntl start char */ 64 unsigned char stopc; /* flow cntl stop char */ 65 }; 66 67 typedef struct digiflow_struct digiflow_t; 68 69 70 /************************************************************************ 71 * Values for digi_flags 72 ************************************************************************/ 73 #define DIGI_IXON 0x0001 /* Handle IXON in the FEP */ 74 #define DIGI_FAST 0x0002 /* Fast baud rates */ 75 #define RTSPACE 0x0004 /* RTS input flow control */ 76 #define CTSPACE 0x0008 /* CTS output flow control */ 77 #define DSRPACE 0x0010 /* DSR output flow control */ 78 #define DCDPACE 0x0020 /* DCD output flow control */ 79 #define DTRPACE 0x0040 /* DTR input flow control */ 80 #define DIGI_FORCEDCD 0x0100 /* Force carrier */ 81 #define DIGI_ALTPIN 0x0200 /* Alternate RJ-45 pin config */ 82 #define DIGI_AIXON 0x0400 /* Aux flow control in fep */ 83 84 85 /************************************************************************ 86 * Structure used with ioctl commands for DIGI parameters. 87 ************************************************************************/ 88 struct digi_struct { 89 unsigned short digi_flags; /* Flags (see above) */ 90 }; 91 92 typedef struct digi_struct digi_t; 93 94 /* fep.h */ 95 96 #define FEP_CSTART 0x400L 97 #define FEP_CMAX 0x800L 98 #define FEP_ISTART 0x800L 99 #define FEP_IMAX 0xC00L 100 #define FEP_CIN 0xD10L 101 #define FEP_GLOBAL 0xD10L 102 #define FEP_EIN 0xD18L 103 #define FEPSTAT 0xD20L 104 #define CHANSTRUCT 0x1000L 105 #define RXTXBUF 0x4000L 106 107 108 struct global_data { 109 volatile ushort cin; 110 volatile ushort cout; 111 volatile ushort cstart; 112 volatile ushort cmax; 113 volatile ushort ein; 114 volatile ushort eout; 115 volatile ushort istart; 116 volatile ushort imax; 117 }; 118 119 120 struct board_chan { 121 int filler1; 122 int filler2; 123 volatile ushort tseg; 124 volatile ushort tin; 125 volatile ushort tout; 126 volatile ushort tmax; 127 128 volatile ushort rseg; 129 volatile ushort rin; 130 volatile ushort rout; 131 volatile ushort rmax; 132 133 volatile ushort tlow; 134 volatile ushort rlow; 135 volatile ushort rhigh; 136 volatile ushort incr; 137 138 volatile ushort etime; 139 volatile ushort edelay; 140 volatile u_char *dev; 141 142 volatile ushort iflag; 143 volatile ushort oflag; 144 volatile ushort cflag; 145 volatile ushort gmask; 146 147 volatile ushort col; 148 volatile ushort delay; 149 volatile ushort imask; 150 volatile ushort tflush; 151 152 int filler3; 153 int filler4; 154 int filler5; 155 int filler6; 156 157 volatile u_char num; 158 volatile u_char ract; 159 volatile u_char bstat; 160 volatile u_char tbusy; 161 volatile u_char iempty; 162 volatile u_char ilow; 163 volatile u_char idata; 164 volatile u_char eflag; 165 166 volatile u_char tflag; 167 volatile u_char rflag; 168 volatile u_char xmask; 169 volatile u_char xval; 170 volatile u_char mstat; 171 volatile u_char mchange; 172 volatile u_char mint; 173 volatile u_char lstat; 174 175 volatile u_char mtran; 176 volatile u_char orun; 177 volatile u_char startca; 178 volatile u_char stopca; 179 volatile u_char startc; 180 volatile u_char stopc; 181 volatile u_char vnext; 182 volatile u_char hflow; 183 184 volatile u_char fillc; 185 volatile u_char ochar; 186 volatile u_char omask; 187 188 u_char filler7; 189 u_char filler8[28]; 190 }; 191 192 193 #define SRXLWATER 0xE0 194 #define SRXHWATER 0xE1 195 #define STOUT 0xE2 196 #define PAUSETX 0xE3 197 #define RESUMETX 0xE4 198 #define SAUXONOFFC 0xE6 199 #define SENDBREAK 0xE8 200 #define SETMODEM 0xE9 201 #define SETIFLAGS 0xEA 202 #define SONOFFC 0xEB 203 #define STXLWATER 0xEC 204 #define PAUSERX 0xEE 205 #define RESUMERX 0xEF 206 #define SETBUFFER 0xF2 207 #define SETCOOKED 0xF3 208 #define SETHFLOW 0xF4 209 #define SETCTRLFLAGS 0xF5 210 #define SETVNEXT 0xF6 211 212 213 214 #define BREAK_IND 0x01 215 #define LOWTX_IND 0x02 216 #define EMPTYTX_IND 0x04 217 #define DATA_IND 0x08 218 #define MODEMCHG_IND 0x20 219 220 #define ALL_IND (BREAK_IND|LOWTX_IND|EMPTYTX_IND|DATA_IND|MODEMCHG_IND) 221 222 223 #define RTS 0x02 224 #define CD 0x08 225 #define DSR 0x10 226 #define CTS 0x20 227 #define RI 0x40 228 #define DTR 0x80 229 230 /* pcxx.h */ 231 232 #define FEPCODESEG 0x0200L 233 #define FEPCODE 0x2000L 234 #define BIOSCODE 0xf800L 235 236 #define MISCGLOBAL 0x0C00L 237 #define NPORT 0x0C22L 238 #define MBOX 0x0C40L 239 #define PORTBASE 0x0C90L 240 #define BOTWIN 0x100L 241 #define TOPWIN 0xFF00L 242 243 #define FEPCLR 0x00 244 #define FEPMEM 0x02 245 #define FEPRST 0x04 246 #define FEPINT 0x08 247 #define FEPMASK 0x0e 248 #define FEPWIN 0x80 249 250 #define PCXI 0 251 #define PCXE 1 252 #define PCXEVE 2 253 254 static char * const board_desc[] = { 255 "PC/Xi (64K)", 256 "PC/Xe (64K)", 257 "PC/Xe (8K) ", 258 }; 259 260 #define STARTC 021 261 #define STOPC 023 262 #define IAIXON 0x2000 263 264 265 struct board_info { 266 u_char status; 267 u_char type; 268 u_char altpin; 269 ushort numports; 270 ushort port; 271 u_long membase; 272 }; 273 274 275 #define TXSTOPPED 0x1 276 #define LOWWAIT 0x2 277 #define EMPTYWAIT 0x4 278 279 #define DISABLED 0 280 #define ENABLED 1 281 #define OFF 0 282 #define ON 1 283 284 #define FEPTIMEOUT 200000 285 #define SERIAL_TYPE_NORMAL 1 286 #define SERIAL_TYPE_CALLOUT 2 287 #define PCXE_EVENT_HANGUP 1 288 289 struct channel { 290 u_char unit; /* board unit number */ 291 u_char omodem; /* FEP output modem status */ 292 u_char imodem; /* FEP input modem status */ 293 u_char modemfake; /* Modem values to be forced */ 294 u_char modem; /* Force values */ 295 u_char hflow; 296 u_char dsr; 297 u_char dcd; 298 u_char stopc; 299 u_char startc; 300 u_char stopca; 301 u_char startca; 302 u_char fepstopc; 303 u_char fepstartc; 304 u_char fepstopca; 305 u_char fepstartca; 306 u_char txwin; 307 u_char rxwin; 308 ushort fepiflag; 309 ushort fepcflag; 310 ushort fepoflag; 311 ushort txbufhead; 312 ushort txbufsize; 313 ushort rxbufhead; 314 ushort rxbufsize; 315 int close_delay; 316 int count; 317 int blocked_open; 318 int event; 319 int asyncflags; 320 uint dev; 321 long session; 322 long pgrp; 323 u_long statusflags; 324 u_long c_iflag; 325 u_long c_cflag; 326 u_long c_lflag; 327 u_long c_oflag; 328 u_char *txptr; 329 u_char *rxptr; 330 struct board_info *board; 331 struct board_chan *brdchan; 332 struct digi_struct digiext; 333 struct tty *tty; 334 struct termios normal_termios; 335 struct termios callout_termios; 336 volatile struct global_data *mailbox; 337 }; 338 339 /* flags for configuring */ 340 341 #define DGBFLAG_ALTPIN 0x0001 /* chande DCD and DCD */ 342 #define DGBFLAG_NOWIN 0x0002 /* use windowed PC/Xe as non-windowed */ 343 344 #define DB_RD 0x0001 345 #define DB_WR 0x0002 346 #define DB_WIN 0x0004 347 #define DB_INFO 0x0008 348 #define DB_EXCEPT 0x0010 349 #define DB_OPEN 0x0100 350 #define DB_CLOSE 0x0200 351 #define DB_DATA 0x0400 352 #define DB_RXDATA 0x0401 353 #define DB_TXDATA 0x0402 354 #define DB_EVENT 0x0800 355 #define DB_MODEM 0x1000 356 #define DB_BREAK 0x2000 357 #define DB_PARAM 0x4000 358 #define DB_FEP 0x8000 359 360 /* debugging printout */ 361 362 #ifdef DGB_DEBUG 363 #define DPRINT1(l,a1) (dgbdebug&l ? printf(a1) : 0) 364 #define DPRINT2(l,a1,a2) (dgbdebug&l ? printf(a1,a2) : 0) 365 #define DPRINT3(l,a1,a2,a3) (dgbdebug&l ? printf(a1,a2,a3) : 0) 366 #define DPRINT4(l,a1,a2,a3,a4) (dgbdebug&l ? printf(a1,a2,a3,a4) : 0) 367 #define DPRINT5(l,a1,a2,a3,a4,a5) (dgbdebug&l ? printf(a1,a2,a3,a4,a5) : 0) 368 #define DPRINT6(l,a1,a2,a3,a4,a5,a6) (dgbdebug&l ? printf(a1,a2,a3,a4,a5,a6) : 0) 369 #define DPRINT7(l,a1,a2,a3,a4,a5,a6,a7) (dgbdebug&l ? printf(a1,a2,a3,a4,a5,a6,a7) : 0) 370 #else 371 #define DPRINT1(l,a1) 372 #define DPRINT2(l,a1,a2) 373 #define DPRINT3(l,a1,a2,a3) 374 #define DPRINT4(l,a1,a2,a3,a4) 375 #define DPRINT5(l,a1,a2,a3,a4,a5) 376 #define DPRINT6(l,a1,a2,a3,a4,a5,a6) 377 #define DPRINT7(l,a1,a2,a3,a4,a5,a6,a7) 378 #endif 379 380 381 /* These are termios bits as the FEP understands them */ 382 383 /* c_cflag bits */ 384 #define FEP_CBAUD 0x00000f 385 #define FEP_B0 0x000000 /* hang up */ 386 #define FEP_B50 0x000001 387 #define FEP_B75 0x000002 388 #define FEP_B110 0x000003 389 #define FEP_B134 0x000004 390 #define FEP_B150 0x000005 391 #define FEP_B200 0x000006 392 #define FEP_B300 0x000007 393 #define FEP_B600 0x000008 394 #define FEP_B1200 0x000009 395 #define FEP_B1800 0x00000a 396 #define FEP_B2400 0x00000b 397 #define FEP_B4800 0x00000c 398 #define FEP_B9600 0x00000d 399 #define FEP_B19200 0x00000e 400 #define FEP_B38400 0x00000f 401 #define FEP_EXTA FEP_B19200 402 #define FEP_EXTB FEP_B38400 403 #define FEP_CSIZE 0x000030 404 #define FEP_CS5 0x000000 405 #define FEP_CS6 0x000010 406 #define FEP_CS7 0x000020 407 #define FEP_CS8 0x000030 408 #define FEP_CSTOPB 0x000040 409 #define FEP_CREAD 0x000080 410 #define FEP_PARENB 0x000100 411 #define FEP_PARODD 0x000200 412 #define FEP_CLOCAL 0x000800 413 #define FEP_FASTBAUD 0x000400 414 /* c_iflag bits */ 415 #define FEP_IGNBRK 0000001 416 #define FEP_BRKINT 0000002 417 #define FEP_IGNPAR 0000004 418 #define FEP_PARMRK 0000010 419 #define FEP_INPCK 0000020 420 #define FEP_ISTRIP 0000040 421 #define FEP_IXON 0002000 422 #define FEP_IXANY 0004000 423 #define FEP_IXOFF 0010000 424
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