irframe_tty.c revision 1.13
1 /* $NetBSD: irframe_tty.c,v 1.13 2001/12/12 17:52:06 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 #ifdef IRFRAMET_DEBUG 599 printf("%s: irda_sir_frame() error=%d\n", __FUNCTION__, -n); 600 #endif 601 return (-n); 602 } 603 return (irt_write_frame(tp, buf, n)); 604 } 605 606 int 607 irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len) 608 { 609 int error, i; 610 611 DPRINTF(("%s: tp=%p len=%d\n", __FUNCTION__, tp, len)); 612 613 error = 0; 614 for (i = 0; !error && i < len; i++) 615 error = irt_putc(tp, buf[i]); 616 617 irframetstart(tp); 618 619 DPRINTF(("%s: done, error=%d\n", __FUNCTION__, error)); 620 621 return (error); 622 } 623 624 int 625 irframet_poll(void *h, int events, struct proc *p) 626 { 627 struct tty *tp = h; 628 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 629 int revents = 0; 630 int s; 631 632 DPRINTF(("%s: sc=%p\n", __FUNCTION__, sc)); 633 634 s = splir(); 635 /* XXX is this a good check? */ 636 if (events & (POLLOUT | POLLWRNORM)) 637 if (tp->t_outq.c_cc <= tp->t_lowat) 638 revents |= events & (POLLOUT | POLLWRNORM); 639 640 if (events & (POLLIN | POLLRDNORM)) { 641 if (sc->sc_nframes > 0) { 642 DPRINTF(("%s: have data\n", __FUNCTION__)); 643 revents |= events & (POLLIN | POLLRDNORM); 644 } else { 645 DPRINTF(("%s: recording select\n", __FUNCTION__)); 646 selrecord(p, &sc->sc_rsel); 647 } 648 } 649 splx(s); 650 651 return (revents); 652 } 653 654 int 655 irframet_set_params(void *h, struct irda_params *p) 656 { 657 struct tty *tp = h; 658 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 659 int i; 660 661 DPRINTF(("%s: tp=%p speed=%d ebofs=%d maxsize=%d\n", 662 __FUNCTION__, tp, p->speed, p->ebofs, p->maxsize)); 663 664 if (p->speed != sc->sc_speed) { 665 switch (p->speed) { 666 case 2400: 667 case 9600: 668 case 19200: 669 case 38400: 670 case 57600: 671 case 115200: 672 break; 673 default: return (EINVAL); 674 } 675 irt_dongles[sc->sc_dongle].setspeed(tp, p->speed); 676 sc->sc_speed = p->speed; 677 } 678 679 sc->sc_ebofs = p->ebofs; 680 if (sc->sc_maxsize != p->maxsize) { 681 sc->sc_maxsize = p->maxsize; 682 if (sc->sc_inbuf != NULL) 683 free(sc->sc_inbuf, M_DEVBUF); 684 for (i = 0; i < MAXFRAMES; i++) 685 if (sc->sc_frames[i].buf != NULL) 686 free(sc->sc_frames[i].buf, M_DEVBUF); 687 if (sc->sc_maxsize != 0) { 688 sc->sc_inbuf = malloc(sc->sc_maxsize+2, M_DEVBUF, 689 M_WAITOK); 690 for (i = 0; i < MAXFRAMES; i++) 691 sc->sc_frames[i].buf = malloc(sc->sc_maxsize, 692 M_DEVBUF, M_WAITOK); 693 } else { 694 sc->sc_inbuf = NULL; 695 for (i = 0; i < MAXFRAMES; i++) 696 sc->sc_frames[i].buf = NULL; 697 } 698 } 699 sc->sc_framestate = FRAME_OUTSIDE; 700 701 return (0); 702 } 703 704 int 705 irframet_get_speeds(void *h, int *speeds) 706 { 707 struct tty *tp = h; 708 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 709 710 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 711 712 if (sc == NULL) /* during attach */ 713 *speeds = IRDA_SPEEDS_SIR; 714 else 715 *speeds = irt_dongles[sc->sc_dongle].speedmask; 716 return (0); 717 } 718 719 int 720 irframet_get_turnarounds(void *h, int *turnarounds) 721 { 722 struct tty *tp = h; 723 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 724 725 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 726 727 *turnarounds = irt_dongles[sc->sc_dongle].turnmask; 728 return (0); 729 } 730 731 void 732 irt_setspeed(struct tty *tp, u_int speed) 733 { 734 struct termios tt; 735 736 ttioctl(tp, TIOCGETA, (caddr_t)&tt, 0, curproc); 737 tt.c_ispeed = tt.c_ospeed = speed; 738 ttioctl(tp, TIOCSETAF, (caddr_t)&tt, 0, curproc); 739 } 740 741 void 742 irt_setline(struct tty *tp, u_int line) 743 { 744 int mline = line; 745 ttioctl(tp, TIOCMSET, (caddr_t)&mline, 0, curproc); 746 } 747 748 void 749 irt_delay(struct tty *tp, u_int ms) 750 { 751 if (cold) 752 delay(ms * 1000); 753 else 754 tsleep(&irt_delay, PZERO, "irtdly", ms * hz / 1000 + 1); 755 756 } 757 758 /********************************************************************** 759 * No dongle 760 **********************************************************************/ 761 void 762 irts_none(struct tty *tp, u_int speed) 763 { 764 irt_setspeed(tp, speed); 765 } 766 767 /********************************************************************** 768 * Tekram 769 **********************************************************************/ 770 #define TEKRAM_PW 0x10 771 772 #define TEKRAM_115200 (TEKRAM_PW|0x00) 773 #define TEKRAM_57600 (TEKRAM_PW|0x01) 774 #define TEKRAM_38400 (TEKRAM_PW|0x02) 775 #define TEKRAM_19200 (TEKRAM_PW|0x03) 776 #define TEKRAM_9600 (TEKRAM_PW|0x04) 777 #define TEKRAM_2400 (TEKRAM_PW|0x08) 778 779 #define TEKRAM_TV (TEKRAM_PW|0x05) 780 781 void 782 irts_tekram(struct tty *tp, u_int speed) 783 { 784 int s; 785 786 irt_setspeed(tp, 9600); 787 irt_setline(tp, 0); 788 irt_delay(tp, 50); 789 irt_setline(tp, TIOCM_RTS); 790 irt_delay(tp, 1); 791 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 792 irt_delay(tp, 1); /* 50 us */ 793 irt_setline(tp, TIOCM_DTR); 794 irt_delay(tp, 1); /* 7 us */ 795 switch(speed) { 796 case 115200: s = TEKRAM_115200; break; 797 case 57600: s = TEKRAM_57600; break; 798 case 38400: s = TEKRAM_38400; break; 799 case 19200: s = TEKRAM_19200; break; 800 case 2400: s = TEKRAM_2400; break; 801 default: s = TEKRAM_9600; break; 802 } 803 irt_putc(tp, s); 804 irt_delay(tp, 100); 805 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 806 if (speed != 9600) 807 irt_setspeed(tp, speed); 808 irt_delay(tp, 1); /* 50 us */ 809 } 810 811 /********************************************************************** 812 * Jeteye 813 **********************************************************************/ 814 void 815 irts_jeteye(struct tty *tp, u_int speed) 816 { 817 switch (speed) { 818 case 19200: 819 irt_setline(tp, TIOCM_DTR); 820 break; 821 case 115200: 822 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 823 break; 824 default: /*9600*/ 825 irt_setline(tp, TIOCM_RTS); 826 break; 827 } 828 irt_setspeed(tp, speed); 829 } 830 831 /********************************************************************** 832 * Actisys 833 **********************************************************************/ 834 void 835 irts_actisys(struct tty *tp, u_int speed) 836 { 837 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 838 int pulses; 839 840 irt_setspeed(tp, speed); 841 842 switch(speed) { 843 case 19200: pulses=1; break; 844 case 57600: pulses=2; break; 845 case 115200: pulses=3; break; 846 case 38400: pulses=4; break; 847 default: /* 9600 */ pulses=0; break; 848 } 849 850 if (sc->sc_dongle_private == 0) { 851 sc->sc_dongle_private = 1; 852 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 853 /* 854 * Must wait at least 50ms after initial 855 * power on to charge internal capacitor 856 */ 857 irt_delay(tp, 50); 858 } 859 irt_setline(tp, TIOCM_RTS); 860 delay(2); 861 for (;;) { 862 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 863 delay(2); 864 if (--pulses <= 0) 865 break; 866 irt_setline(tp, TIOCM_DTR); 867 delay(2); 868 } 869 } 870 871 /********************************************************************** 872 * Litelink 873 **********************************************************************/ 874 void 875 irts_litelink(struct tty *tp, u_int speed) 876 { 877 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 878 int pulses; 879 880 irt_setspeed(tp, speed); 881 882 switch(speed) { 883 case 57600: pulses=1; break; 884 case 38400: pulses=2; break; 885 case 19200: pulses=3; break; 886 case 9600: pulses=4; break; 887 default: /* 115200 */ pulses=0; break; 888 } 889 890 if (sc->sc_dongle_private == 0) { 891 sc->sc_dongle_private = 1; 892 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 893 } 894 irt_setline(tp, TIOCM_RTS); 895 irt_delay(tp, 1); /* 15 us */; 896 for (;;) { 897 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 898 irt_delay(tp, 1); /* 15 us */; 899 if (--pulses <= 0) 900 break; 901 irt_setline(tp, TIOCM_DTR); 902 irt_delay(tp, 1); /* 15 us */; 903 } 904 } 905 906 /********************************************************************** 907 * Girbil 908 **********************************************************************/ 909 /* Control register 1 */ 910 #define GIRBIL_TXEN 0x01 /* Enable transmitter */ 911 #define GIRBIL_RXEN 0x02 /* Enable receiver */ 912 #define GIRBIL_ECAN 0x04 /* Cancel self emmited data */ 913 #define GIRBIL_ECHO 0x08 /* Echo control characters */ 914 915 /* LED Current Register */ 916 #define GIRBIL_HIGH 0x20 917 #define GIRBIL_MEDIUM 0x21 918 #define GIRBIL_LOW 0x22 919 920 /* Baud register */ 921 #define GIRBIL_2400 0x30 922 #define GIRBIL_4800 0x31 923 #define GIRBIL_9600 0x32 924 #define GIRBIL_19200 0x33 925 #define GIRBIL_38400 0x34 926 #define GIRBIL_57600 0x35 927 #define GIRBIL_115200 0x36 928 929 /* Mode register */ 930 #define GIRBIL_IRDA 0x40 931 #define GIRBIL_ASK 0x41 932 933 /* Control register 2 */ 934 #define GIRBIL_LOAD 0x51 /* Load the new baud rate value */ 935 936 void 937 irts_girbil(struct tty *tp, u_int speed) 938 { 939 int s; 940 941 irt_setspeed(tp, 9600); 942 irt_setline(tp, TIOCM_DTR); 943 irt_delay(tp, 5); 944 irt_setline(tp, TIOCM_RTS); 945 irt_delay(tp, 20); 946 switch(speed) { 947 case 115200: s = GIRBIL_115200; break; 948 case 57600: s = GIRBIL_57600; break; 949 case 38400: s = GIRBIL_38400; break; 950 case 19200: s = GIRBIL_19200; break; 951 case 4800: s = GIRBIL_4800; break; 952 case 2400: s = GIRBIL_2400; break; 953 default: s = GIRBIL_9600; break; 954 } 955 irt_putc(tp, GIRBIL_TXEN|GIRBIL_RXEN); 956 irt_putc(tp, s); 957 irt_putc(tp, GIRBIL_LOAD); 958 irt_delay(tp, 100); 959 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 960 if (speed != 9600) 961 irt_setspeed(tp, speed); 962 } 963
Indexes created Mon Sep 29 21:09:56 GMT 2025