irframe_tty.c revision 1.10
1 /* $NetBSD: irframe_tty.c,v 1.10 2001/12/05 19:59:54 augustss Exp $ */ 2 3 /* 4 * TODO 5 * Implement dongle support. 6 * Test!!! 7 * Get rid of MAX_IRDA_FRAME 8 */ 9 10 /* 11 * Copyright (c) 2001 The NetBSD Foundation, Inc. 12 * All rights reserved. 13 * 14 * This code is derived from software contributed to The NetBSD Foundation 15 * by Lennart Augustsson (lennart (at) augustsson.net) and Tommy Bohlin 16 * (tommy (at) gatespace.com). 17 * 18 * Redistribution and use in source and binary forms, with or without 19 * modification, are permitted provided that the following conditions 20 * are met: 21 * 1. Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * 2. Redistributions in binary form must reproduce the above copyright 24 * notice, this list of conditions and the following disclaimer in the 25 * documentation and/or other materials provided with the distribution. 26 * 3. All advertising materials mentioning features or use of this software 27 * must display the following acknowledgement: 28 * This product includes software developed by the NetBSD 29 * Foundation, Inc. and its contributors. 30 * 4. Neither the name of The NetBSD Foundation nor the names of its 31 * contributors may be used to endorse or promote products derived 32 * from this software without specific prior written permission. 33 * 34 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 35 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 36 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 37 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 38 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 39 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 40 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 41 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 42 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 43 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 44 * POSSIBILITY OF SUCH DAMAGE. 45 */ 46 47 /* 48 * Loosely based on ppp_tty.c. 49 * Framing and dongle handling written by Tommy Bohlin. 50 */ 51 52 #include <sys/param.h> 53 #include <sys/proc.h> 54 #include <sys/ioctl.h> 55 #include <sys/tty.h> 56 #include <sys/kernel.h> 57 #include <sys/malloc.h> 58 #include <sys/conf.h> 59 #include <sys/systm.h> 60 #include <sys/device.h> 61 #include <sys/file.h> 62 #include <sys/vnode.h> 63 #include <sys/poll.h> 64 65 #include <dev/ir/ir.h> 66 #include <dev/ir/sir.h> 67 #include <dev/ir/irdaio.h> 68 #include <dev/ir/irframevar.h> 69 70 /* Macros to clear/set/test flags. */ 71 #define SET(t, f) (t) |= (f) 72 #define CLR(t, f) (t) &= ~(f) 73 #define ISSET(t, f) ((t) & (f)) 74 75 #ifdef IRFRAMET_DEBUG 76 #define DPRINTF(x) if (irframetdebug) printf x 77 #define Static 78 int irframetdebug = 0; 79 #else 80 #define DPRINTF(x) 81 #define Static static 82 #endif 83 84 /*****/ 85 86 #define MAX_IRDA_FRAME 5000 /* XXX what is it? */ 87 88 struct frame { 89 u_char *buf; 90 u_int len; 91 }; 92 #define MAXFRAMES 4 93 94 struct irframet_softc { 95 struct irframe_softc sc_irp; 96 struct tty *sc_tp; 97 98 int sc_dongle; 99 int sc_dongle_private; 100 101 int sc_state; 102 #define IRT_RSLP 0x01 /* waiting for data (read) */ 103 #if 0 104 #define IRT_WSLP 0x02 /* waiting for data (write) */ 105 #define IRT_CLOSING 0x04 /* waiting for output to drain */ 106 #endif 107 108 int sc_ebofs; 109 int sc_speed; 110 111 u_char* sc_inbuf; 112 int sc_maxsize; 113 int sc_framestate; 114 #define FRAME_OUTSIDE 0 115 #define FRAME_INSIDE 1 116 #define FRAME_ESCAPE 2 117 int sc_inchars; 118 int sc_inFCS; 119 struct callout sc_timeout; 120 121 u_int sc_nframes; 122 u_int sc_framei; 123 u_int sc_frameo; 124 struct frame sc_frames[MAXFRAMES]; 125 struct selinfo sc_rsel; 126 }; 127 128 /* line discipline methods */ 129 int irframetopen(dev_t dev, struct tty *tp); 130 int irframetclose(struct tty *tp, int flag); 131 int irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 132 struct proc *); 133 int irframetinput(int c, struct tty *tp); 134 int irframetstart(struct tty *tp); 135 136 /* pseudo device init */ 137 void irframettyattach(int); 138 139 /* irframe methods */ 140 Static int irframet_open(void *h, int flag, int mode, struct proc *p); 141 Static int irframet_close(void *h, int flag, int mode, struct proc *p); 142 Static int irframet_read(void *h, struct uio *uio, int flag); 143 Static int irframet_write(void *h, struct uio *uio, int flag); 144 Static int irframet_poll(void *h, int events, struct proc *p); 145 Static int irframet_set_params(void *h, struct irda_params *params); 146 Static int irframet_get_speeds(void *h, int *speeds); 147 Static int irframet_get_turnarounds(void *h, int *times); 148 149 /* internal */ 150 Static int irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len); 151 Static int irt_putc(struct tty *tp, int c); 152 Static void irt_frame(struct irframet_softc *sc, u_char *buf, u_int len); 153 Static void irt_timeout(void *v); 154 Static void irt_setspeed(struct tty *tp, u_int speed); 155 Static void irt_setline(struct tty *tp, u_int line); 156 Static void irt_delay(struct tty *tp, u_int delay); 157 158 Static const struct irframe_methods irframet_methods = { 159 irframet_open, irframet_close, irframet_read, irframet_write, 160 irframet_poll, irframet_set_params, 161 irframet_get_speeds, irframet_get_turnarounds 162 }; 163 164 Static void irts_none(struct tty *tp, u_int speed); 165 Static void irts_tekram(struct tty *tp, u_int speed); 166 Static void irts_jeteye(struct tty *tp, u_int speed); 167 Static void irts_actisys(struct tty *tp, u_int speed); 168 Static void irts_litelink(struct tty *tp, u_int speed); 169 Static void irts_girbil(struct tty *tp, u_int speed); 170 171 #define NORMAL_SPEEDS (IRDA_SPEEDS_SIR & ~IRDA_SPEED_2400) 172 #define TURNT_POS (IRDA_TURNT_10000 | IRDA_TURNT_5000 | IRDA_TURNT_1000 | \ 173 IRDA_TURNT_500 | IRDA_TURNT_100 | IRDA_TURNT_50 | IRDA_TURNT_10) 174 Static const struct dongle { 175 void (*setspeed)(struct tty *tp, u_int speed); 176 u_int speedmask; 177 u_int turnmask; 178 } irt_dongles[DONGLE_MAX] = { 179 /* Indexed by dongle number from irdaio.h */ 180 { irts_none, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 }, 181 { irts_tekram, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 }, 182 { irts_jeteye, IRDA_SPEED_9600|IRDA_SPEED_19200|IRDA_SPEED_115200, 183 IRDA_TURNT_10000 }, 184 { irts_actisys, NORMAL_SPEEDS & ~IRDA_SPEED_38400, TURNT_POS }, 185 { irts_actisys, NORMAL_SPEEDS, TURNT_POS }, 186 { irts_litelink, NORMAL_SPEEDS, TURNT_POS }, 187 { irts_girbil, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 | IRDA_TURNT_5000 }, 188 }; 189 190 void 191 irframettyattach(int n) 192 { 193 } 194 195 /* 196 * Line specific open routine for async tty devices. 197 * Attach the given tty to the first available irframe unit. 198 * Called from device open routine or ttioctl. 199 */ 200 /* ARGSUSED */ 201 int 202 irframetopen(dev_t dev, struct tty *tp) 203 { 204 struct proc *p = curproc; /* XXX */ 205 struct irframet_softc *sc; 206 int error, s; 207 208 DPRINTF(("%s\n", __FUNCTION__)); 209 210 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 211 return (error); 212 213 s = spltty(); 214 215 DPRINTF(("%s: linesw=%p disc=%s\n", __FUNCTION__, tp->t_linesw, 216 tp->t_linesw->l_name)); 217 if (strcmp(tp->t_linesw->l_name, "irframe") == 0) { /* XXX */ 218 sc = (struct irframet_softc *)tp->t_sc; 219 DPRINTF(("%s: sc=%p sc_tp=%p\n", __FUNCTION__, sc, sc->sc_tp)); 220 if (sc != NULL) { 221 splx(s); 222 return (EBUSY); 223 } 224 } 225 226 tp->t_sc = irframe_alloc(sizeof (struct irframet_softc), 227 &irframet_methods, tp); 228 sc = (struct irframet_softc *)tp->t_sc; 229 sc->sc_tp = tp; 230 printf("%s attached at tty%02d\n", sc->sc_irp.sc_dev.dv_xname, 231 minor(tp->t_dev)); 232 233 DPRINTF(("%s: set sc=%p\n", __FUNCTION__, sc)); 234 235 ttyflush(tp, FREAD | FWRITE); 236 237 sc->sc_dongle = DONGLE_NONE; 238 sc->sc_dongle_private = 0; 239 240 splx(s); 241 242 return (0); 243 } 244 245 /* 246 * Line specific close routine, called from device close routine 247 * and from ttioctl. 248 * Detach the tty from the irframe unit. 249 * Mimics part of ttyclose(). 250 */ 251 int 252 irframetclose(struct tty *tp, int flag) 253 { 254 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 255 int s; 256 257 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 258 259 s = spltty(); 260 ttyflush(tp, FREAD | FWRITE); 261 tp->t_linesw = linesw[0]; /* default line discipline */ 262 if (sc != NULL) { 263 tp->t_sc = NULL; 264 printf("%s detached from tty%02d\n", sc->sc_irp.sc_dev.dv_xname, 265 minor(tp->t_dev)); 266 267 if (sc->sc_tp == tp) 268 irframe_dealloc(&sc->sc_irp.sc_dev); 269 } 270 splx(s); 271 return (0); 272 } 273 274 /* 275 * Line specific (tty) ioctl routine. 276 * This discipline requires that tty device drivers call 277 * the line specific l_ioctl routine from their ioctl routines. 278 */ 279 /* ARGSUSED */ 280 int 281 irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 282 struct proc *p) 283 { 284 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 285 int error; 286 int d; 287 288 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 289 290 if (sc == NULL || tp != sc->sc_tp) 291 return (-1); 292 293 error = 0; 294 switch (cmd) { 295 case IRFRAMETTY_GET_DEVICE: 296 *(int *)data = sc->sc_irp.sc_dev.dv_unit; 297 break; 298 case IRFRAMETTY_GET_DONGLE: 299 *(int *)data = sc->sc_dongle; 300 break; 301 case IRFRAMETTY_SET_DONGLE: 302 d = *(int *)data; 303 if (d < 0 || d >= DONGLE_MAX) 304 return (EINVAL); 305 sc->sc_dongle = d; 306 break; 307 default: 308 error = EINVAL; 309 break; 310 } 311 312 return (error); 313 } 314 315 /* 316 * Start output on async tty interface. 317 * Called at spltty or higher. 318 */ 319 int 320 irframetstart(struct tty *tp) 321 { 322 /*struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;*/ 323 324 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 325 326 if (tp->t_oproc != NULL) 327 (*tp->t_oproc)(tp); 328 329 return (0); 330 } 331 332 void 333 irt_frame(struct irframet_softc *sc, u_char *buf, u_int len) 334 { 335 DPRINTF(("%s: nframe=%d framei=%d frameo=%d\n", 336 __FUNCTION__, sc->sc_nframes, sc->sc_framei, sc->sc_frameo)); 337 338 if (sc->sc_nframes >= MAXFRAMES) { 339 #ifdef IRFRAMET_DEBUG 340 printf("%s: dropped frame\n", __FUNCTION__); 341 #endif 342 return; 343 } 344 if (sc->sc_frames[sc->sc_framei].buf == NULL) 345 return; 346 memcpy(sc->sc_frames[sc->sc_framei].buf, buf, len); 347 sc->sc_frames[sc->sc_framei].len = len; 348 sc->sc_framei = (sc->sc_framei+1) % MAXFRAMES; 349 sc->sc_nframes++; 350 if (sc->sc_state & IRT_RSLP) { 351 sc->sc_state &= ~IRT_RSLP; 352 DPRINTF(("%s: waking up reader\n", __FUNCTION__)); 353 wakeup(sc->sc_frames); 354 } 355 selwakeup(&sc->sc_rsel); 356 } 357 358 void 359 irt_timeout(void *v) 360 { 361 struct irframet_softc *sc = v; 362 363 #ifdef IRFRAMET_DEBUG 364 if (sc->sc_framestate != FRAME_OUTSIDE) 365 printf("%s: input frame timeout\n", __FUNCTION__); 366 #endif 367 sc->sc_framestate = FRAME_OUTSIDE; 368 } 369 370 int 371 irframetinput(int c, struct tty *tp) 372 { 373 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 374 375 c &= 0xff; 376 377 #if IRFRAMET_DEBUG 378 if (irframetdebug > 1) 379 DPRINTF(("%s: tp=%p c=0x%02x\n", __FUNCTION__, tp, c)); 380 #endif 381 382 if (sc == NULL || tp != (struct tty *)sc->sc_tp) 383 return (0); 384 385 if (sc->sc_inbuf == NULL) 386 return (0); 387 388 switch (c) { 389 case SIR_BOF: 390 DPRINTF(("%s: BOF\n", __FUNCTION__)); 391 sc->sc_framestate = FRAME_INSIDE; 392 sc->sc_inchars = 0; 393 sc->sc_inFCS = INITFCS; 394 break; 395 case SIR_EOF: 396 DPRINTF(("%s: EOF state=%d inchars=%d fcs=0x%04x\n", 397 __FUNCTION__, 398 sc->sc_framestate, sc->sc_inchars, sc->sc_inFCS)); 399 if (sc->sc_framestate == FRAME_INSIDE && 400 sc->sc_inchars >= 4 && sc->sc_inFCS == GOODFCS) { 401 irt_frame(sc, sc->sc_inbuf, sc->sc_inchars - 2); 402 } else if (sc->sc_framestate != FRAME_OUTSIDE) { 403 #ifdef IRFRAMET_DEBUG 404 printf("%s: malformed input frame\n", __FUNCTION__); 405 #endif 406 } 407 sc->sc_framestate = FRAME_OUTSIDE; 408 break; 409 case SIR_CE: 410 DPRINTF(("%s: CE\n", __FUNCTION__)); 411 if (sc->sc_framestate == FRAME_INSIDE) 412 sc->sc_framestate = FRAME_ESCAPE; 413 break; 414 default: 415 #if IRFRAMET_DEBUG 416 if (irframetdebug > 1) 417 DPRINTF(("%s: c=0x%02x, inchar=%d state=%d\n", __FUNCTION__, c, 418 sc->sc_inchars, sc->sc_state)); 419 #endif 420 if (sc->sc_framestate != FRAME_OUTSIDE) { 421 if (sc->sc_framestate == FRAME_ESCAPE) { 422 sc->sc_framestate = FRAME_INSIDE; 423 c ^= SIR_ESC_BIT; 424 } 425 if (sc->sc_inchars < sc->sc_maxsize + 2) { 426 sc->sc_inbuf[sc->sc_inchars++] = c; 427 sc->sc_inFCS = updateFCS(sc->sc_inFCS, c); 428 } else { 429 sc->sc_framestate = FRAME_OUTSIDE; 430 #ifdef IRFRAMET_DEBUG 431 printf("%s: input frame overrun\n", 432 __FUNCTION__); 433 #endif 434 } 435 } 436 break; 437 } 438 439 #if 1 440 if (sc->sc_framestate != FRAME_OUTSIDE) { 441 callout_reset(&sc->sc_timeout, hz/20, irt_timeout, sc); 442 } 443 #endif 444 445 return (0); 446 } 447 448 449 /*** irframe methods ***/ 450 451 int 452 irframet_open(void *h, int flag, int mode, struct proc *p) 453 { 454 struct tty *tp = h; 455 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 456 457 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 458 459 sc->sc_speed = 0; 460 sc->sc_ebofs = IRDA_DEFAULT_EBOFS; 461 sc->sc_maxsize = 0; 462 sc->sc_framestate = FRAME_OUTSIDE; 463 sc->sc_nframes = 0; 464 sc->sc_framei = 0; 465 sc->sc_frameo = 0; 466 callout_init(&sc->sc_timeout); 467 468 return (0); 469 } 470 471 int 472 irframet_close(void *h, int flag, int mode, struct proc *p) 473 { 474 struct tty *tp = h; 475 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 476 int i, s; 477 478 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 479 480 callout_stop(&sc->sc_timeout); 481 s = splir(); 482 if (sc->sc_inbuf != NULL) { 483 free(sc->sc_inbuf, M_DEVBUF); 484 sc->sc_inbuf = NULL; 485 } 486 for (i = 0; i < MAXFRAMES; i++) { 487 if (sc->sc_frames[i].buf != NULL) { 488 free(sc->sc_frames[i].buf, M_DEVBUF); 489 sc->sc_frames[i].buf = NULL; 490 } 491 } 492 splx(s); 493 494 return (0); 495 } 496 497 int 498 irframet_read(void *h, struct uio *uio, int flag) 499 { 500 struct tty *tp = h; 501 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 502 int error = 0; 503 int s; 504 505 DPRINTF(("%s: resid=%d, iovcnt=%d, offset=%ld\n", 506 __FUNCTION__, uio->uio_resid, uio->uio_iovcnt, 507 (long)uio->uio_offset)); 508 DPRINTF(("%s: nframe=%d framei=%d frameo=%d\n", 509 __FUNCTION__, sc->sc_nframes, sc->sc_framei, sc->sc_frameo)); 510 511 512 s = splir(); 513 while (sc->sc_nframes == 0) { 514 if (flag & IO_NDELAY) { 515 splx(s); 516 return (EWOULDBLOCK); 517 } 518 sc->sc_state |= IRT_RSLP; 519 DPRINTF(("%s: sleep\n", __FUNCTION__)); 520 error = tsleep(sc->sc_frames, PZERO | PCATCH, "irtrd", 0); 521 DPRINTF(("%s: woke, error=%d\n", __FUNCTION__, error)); 522 if (error) { 523 sc->sc_state &= ~IRT_RSLP; 524 break; 525 } 526 } 527 528 /* Do just one frame transfer per read */ 529 if (!error) { 530 if (uio->uio_resid < sc->sc_frames[sc->sc_frameo].len) { 531 DPRINTF(("%s: uio buffer smaller than frame size (%d < %d)\n", __FUNCTION__, uio->uio_resid, sc->sc_frames[sc->sc_frameo].len)); 532 error = EINVAL; 533 } else { 534 DPRINTF(("%s: moving %d bytes\n", __FUNCTION__, 535 sc->sc_frames[sc->sc_frameo].len)); 536 error = uiomove(sc->sc_frames[sc->sc_frameo].buf, 537 sc->sc_frames[sc->sc_frameo].len, uio); 538 DPRINTF(("%s: error=%d\n", __FUNCTION__, error)); 539 } 540 sc->sc_frameo = (sc->sc_frameo+1) % MAXFRAMES; 541 sc->sc_nframes--; 542 } 543 splx(s); 544 545 return (error); 546 } 547 548 int 549 irt_putc(struct tty *tp, int c) 550 { 551 int s; 552 int error; 553 554 #if IRFRAMET_DEBUG 555 if (irframetdebug > 3) 556 DPRINTF(("%s: tp=%p c=0x%02x cc=%d\n", __FUNCTION__, tp, c, 557 tp->t_outq.c_cc)); 558 #endif 559 if (tp->t_outq.c_cc > tp->t_hiwat) { 560 irframetstart(tp); 561 s = spltty(); 562 /* 563 * This can only occur if FLUSHO is set in t_lflag, 564 * or if ttstart/oproc is synchronous (or very fast). 565 */ 566 if (tp->t_outq.c_cc <= tp->t_hiwat) { 567 splx(s); 568 goto go; 569 } 570 SET(tp->t_state, TS_ASLEEP); 571 error = ttysleep(tp, &tp->t_outq, TTOPRI | PCATCH, ttyout, 0); 572 splx(s); 573 if (error) 574 return (error); 575 } 576 go: 577 if (putc(c, &tp->t_outq) < 0) { 578 printf("irframe: putc failed\n"); 579 return (EIO); 580 } 581 return (0); 582 } 583 584 int 585 irframet_write(void *h, struct uio *uio, int flag) 586 { 587 struct tty *tp = h; 588 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 589 u_int8_t buf[MAX_IRDA_FRAME]; 590 int n; 591 592 DPRINTF(("%s: resid=%d, iovcnt=%d, offset=%ld\n", 593 __FUNCTION__, uio->uio_resid, uio->uio_iovcnt, 594 (long)uio->uio_offset)); 595 596 n = irda_sir_frame(buf, MAX_IRDA_FRAME, uio, sc->sc_ebofs); 597 if (n < 0) 598 return (-n); 599 return (irt_write_frame(tp, buf, n)); 600 } 601 602 int 603 irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len) 604 { 605 int error, i; 606 607 DPRINTF(("%s: tp=%p len=%d\n", __FUNCTION__, tp, len)); 608 609 error = 0; 610 for (i = 0; !error && i < len; i++) 611 error = irt_putc(tp, buf[i]); 612 613 irframetstart(tp); 614 615 DPRINTF(("%s: done, error=%d\n", __FUNCTION__, error)); 616 617 return (error); 618 } 619 620 int 621 irframet_poll(void *h, int events, struct proc *p) 622 { 623 struct tty *tp = h; 624 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 625 int revents = 0; 626 int s; 627 628 DPRINTF(("%s: sc=%p\n", __FUNCTION__, sc)); 629 630 s = splir(); 631 /* XXX is this a good check? */ 632 if (events & (POLLOUT | POLLWRNORM)) 633 if (tp->t_outq.c_cc <= tp->t_lowat) 634 revents |= events & (POLLOUT | POLLWRNORM); 635 636 if (events & (POLLIN | POLLRDNORM)) { 637 if (sc->sc_nframes > 0) { 638 DPRINTF(("%s: have data\n", __FUNCTION__)); 639 revents |= events & (POLLIN | POLLRDNORM); 640 } else { 641 DPRINTF(("%s: recording select\n", __FUNCTION__)); 642 selrecord(p, &sc->sc_rsel); 643 } 644 } 645 splx(s); 646 647 return (revents); 648 } 649 650 int 651 irframet_set_params(void *h, struct irda_params *p) 652 { 653 struct tty *tp = h; 654 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 655 int i; 656 657 DPRINTF(("%s: tp=%p speed=%d ebofs=%d maxsize=%d\n", 658 __FUNCTION__, tp, p->speed, p->ebofs, p->maxsize)); 659 660 if (p->speed != sc->sc_speed) { 661 switch (p->speed) { 662 case 2400: 663 case 9600: 664 case 19200: 665 case 38400: 666 case 57600: 667 case 115200: 668 break; 669 default: return (EINVAL); 670 } 671 irt_dongles[sc->sc_dongle].setspeed(tp, p->speed); 672 sc->sc_speed = p->speed; 673 } 674 675 sc->sc_ebofs = p->ebofs; 676 if (sc->sc_maxsize != p->maxsize) { 677 sc->sc_maxsize = p->maxsize; 678 if (sc->sc_inbuf != NULL) 679 free(sc->sc_inbuf, M_DEVBUF); 680 for (i = 0; i < MAXFRAMES; i++) 681 if (sc->sc_frames[i].buf != NULL) 682 free(sc->sc_frames[i].buf, M_DEVBUF); 683 if (sc->sc_maxsize != 0) { 684 sc->sc_inbuf = malloc(sc->sc_maxsize+2, M_DEVBUF, 685 M_WAITOK); 686 for (i = 0; i < MAXFRAMES; i++) 687 sc->sc_frames[i].buf = malloc(sc->sc_maxsize, 688 M_DEVBUF, M_WAITOK); 689 } else { 690 sc->sc_inbuf = NULL; 691 for (i = 0; i < MAXFRAMES; i++) 692 sc->sc_frames[i].buf = NULL; 693 } 694 } 695 sc->sc_framestate = FRAME_OUTSIDE; 696 697 return (0); 698 } 699 700 int 701 irframet_get_speeds(void *h, int *speeds) 702 { 703 struct tty *tp = h; 704 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 705 706 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 707 708 *speeds = irt_dongles[sc->sc_dongle].speedmask; 709 return (0); 710 } 711 712 int 713 irframet_get_turnarounds(void *h, int *turnarounds) 714 { 715 struct tty *tp = h; 716 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 717 718 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 719 720 *turnarounds = irt_dongles[sc->sc_dongle].turnmask; 721 return (0); 722 } 723 724 void 725 irt_setspeed(struct tty *tp, u_int speed) 726 { 727 struct termios tt; 728 729 ttioctl(tp, TIOCGETA, (caddr_t)&tt, 0, curproc); 730 tt.c_ispeed = tt.c_ospeed = speed; 731 ttioctl(tp, TIOCSETAF, (caddr_t)&tt, 0, curproc); 732 } 733 734 void 735 irt_setline(struct tty *tp, u_int line) 736 { 737 int mline = line; 738 ttioctl(tp, TIOCMSET, (caddr_t)&mline, 0, curproc); 739 } 740 741 void 742 irt_delay(struct tty *tp, u_int ms) 743 { 744 if (cold) 745 delay(ms * 1000); 746 else 747 tsleep(&irt_delay, PZERO, "irtdly", ms * hz / 1000); 748 749 } 750 751 /********************************************************************** 752 * No dongle 753 **********************************************************************/ 754 void 755 irts_none(struct tty *tp, u_int speed) 756 { 757 irt_setspeed(tp, speed); 758 } 759 760 /********************************************************************** 761 * Tekram 762 **********************************************************************/ 763 #define TEKRAM_PW 0x10 764 765 #define TEKRAM_115200 (TEKRAM_PW|0x00) 766 #define TEKRAM_57600 (TEKRAM_PW|0x01) 767 #define TEKRAM_38400 (TEKRAM_PW|0x02) 768 #define TEKRAM_19200 (TEKRAM_PW|0x03) 769 #define TEKRAM_9600 (TEKRAM_PW|0x04) 770 #define TEKRAM_2400 (TEKRAM_PW|0x08) 771 772 #define TEKRAM_TV (TEKRAM_PW|0x05) 773 774 void 775 irts_tekram(struct tty *tp, u_int speed) 776 { 777 int s; 778 779 irt_setspeed(tp, 9600); 780 irt_setline(tp, 0); 781 irt_delay(tp, 50); 782 irt_setline(tp, TIOCM_RTS); 783 irt_delay(tp, 1); 784 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 785 irt_delay(tp, 1); /* 50 us */ 786 irt_setline(tp, TIOCM_DTR); 787 irt_delay(tp, 1); /* 7 us */ 788 switch(speed) { 789 case 115200: s = TEKRAM_115200; break; 790 case 57600: s = TEKRAM_57600; break; 791 case 38400: s = TEKRAM_38400; break; 792 case 19200: s = TEKRAM_19200; break; 793 case 2400: s = TEKRAM_2400; break; 794 default: s = TEKRAM_9600; break; 795 } 796 irt_putc(tp, s); 797 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 798 if (speed != 9600) 799 irt_setspeed(tp, speed); 800 irt_delay(tp, 1); /* 50 us */ 801 } 802 803 /********************************************************************** 804 * Jeteye 805 **********************************************************************/ 806 void 807 irts_jeteye(struct tty *tp, u_int speed) 808 { 809 switch (speed) { 810 case 19200: 811 irt_setline(tp, TIOCM_DTR); 812 break; 813 case 115200: 814 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 815 break; 816 default: /*9600*/ 817 irt_setline(tp, TIOCM_RTS); 818 break; 819 } 820 irt_setspeed(tp, speed); 821 } 822 823 /********************************************************************** 824 * Actisys 825 **********************************************************************/ 826 void 827 irts_actisys(struct tty *tp, u_int speed) 828 { 829 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 830 int pulses; 831 832 irt_setspeed(tp, speed); 833 834 switch(speed) { 835 case 19200: pulses=1; break; 836 case 57600: pulses=2; break; 837 case 115200: pulses=3; break; 838 case 38400: pulses=4; break; 839 default: /* 9600 */ pulses=0; break; 840 } 841 842 if (sc->sc_dongle_private == 0) { 843 sc->sc_dongle_private = 1; 844 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 845 /* 846 * Must wait at least 50ms after initial 847 * power on to charge internal capacitor 848 */ 849 irt_delay(tp, 50); 850 } 851 irt_setline(tp, TIOCM_RTS); 852 delay(2); 853 for (;;) { 854 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 855 delay(2); 856 if (--pulses <= 0) 857 break; 858 irt_setline(tp, TIOCM_DTR); 859 delay(2); 860 } 861 } 862 863 /********************************************************************** 864 * Litelink 865 **********************************************************************/ 866 void 867 irts_litelink(struct tty *tp, u_int speed) 868 { 869 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 870 int pulses; 871 872 irt_setspeed(tp, speed); 873 874 switch(speed) { 875 case 57600: pulses=1; break; 876 case 38400: pulses=2; break; 877 case 19200: pulses=3; break; 878 case 9600: pulses=4; break; 879 default: /* 115200 */ pulses=0; break; 880 } 881 882 if (sc->sc_dongle_private == 0) { 883 sc->sc_dongle_private = 1; 884 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 885 } 886 irt_setline(tp, TIOCM_RTS); 887 irt_delay(tp, 1); /* 15 us */; 888 for (;;) { 889 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 890 irt_delay(tp, 1); /* 15 us */; 891 if (--pulses <= 0) 892 break; 893 irt_setline(tp, TIOCM_DTR); 894 irt_delay(tp, 1); /* 15 us */; 895 } 896 } 897 898 /********************************************************************** 899 * Girbil 900 **********************************************************************/ 901 /* Control register 1 */ 902 #define GIRBIL_TXEN 0x01 /* Enable transmitter */ 903 #define GIRBIL_RXEN 0x02 /* Enable receiver */ 904 #define GIRBIL_ECAN 0x04 /* Cancel self emmited data */ 905 #define GIRBIL_ECHO 0x08 /* Echo control characters */ 906 907 /* LED Current Register */ 908 #define GIRBIL_HIGH 0x20 909 #define GIRBIL_MEDIUM 0x21 910 #define GIRBIL_LOW 0x22 911 912 /* Baud register */ 913 #define GIRBIL_2400 0x30 914 #define GIRBIL_4800 0x31 915 #define GIRBIL_9600 0x32 916 #define GIRBIL_19200 0x33 917 #define GIRBIL_38400 0x34 918 #define GIRBIL_57600 0x35 919 #define GIRBIL_115200 0x36 920 921 /* Mode register */ 922 #define GIRBIL_IRDA 0x40 923 #define GIRBIL_ASK 0x41 924 925 /* Control register 2 */ 926 #define GIRBIL_LOAD 0x51 /* Load the new baud rate value */ 927 928 void 929 irts_girbil(struct tty *tp, u_int speed) 930 { 931 int s; 932 933 irt_setspeed(tp, 9600); 934 irt_setline(tp, TIOCM_DTR); 935 irt_delay(tp, 5); 936 irt_setline(tp, TIOCM_RTS); 937 irt_delay(tp, 20); 938 switch(speed) { 939 case 115200: s = GIRBIL_115200; break; 940 case 57600: s = GIRBIL_57600; break; 941 case 38400: s = GIRBIL_38400; break; 942 case 19200: s = GIRBIL_19200; break; 943 case 4800: s = GIRBIL_4800; break; 944 case 2400: s = GIRBIL_2400; break; 945 default: s = GIRBIL_9600; break; 946 } 947 irt_putc(tp, GIRBIL_TXEN|GIRBIL_RXEN); 948 irt_putc(tp, s); 949 irt_putc(tp, GIRBIL_LOAD); 950 irt_delay(tp, 100); 951 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 952 if (speed != 9600) 953 irt_setspeed(tp, speed); 954 } 955
Indexes created Tue Sep 30 20:09:53 GMT 2025