irframe_tty.c revision 1.15
1 /* $NetBSD: irframe_tty.c,v 1.15 2001/12/13 17:14:21 augustss Exp $ */ 2 3 /* 4 * TODO 5 * Test dongle code. 6 */ 7 8 /* 9 * Copyright (c) 2001 The NetBSD Foundation, Inc. 10 * All rights reserved. 11 * 12 * This code is derived from software contributed to The NetBSD Foundation 13 * by Lennart Augustsson (lennart (at) augustsson.net) and Tommy Bohlin 14 * (tommy (at) gatespace.com). 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the NetBSD 27 * Foundation, Inc. and its contributors. 28 * 4. Neither the name of The NetBSD Foundation nor the names of its 29 * contributors may be used to endorse or promote products derived 30 * from this software without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 33 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 34 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 35 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 36 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 37 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 38 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 39 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 40 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 42 * POSSIBILITY OF SUCH DAMAGE. 43 */ 44 45 /* 46 * Loosely based on ppp_tty.c. 47 * Framing and dongle handling written by Tommy Bohlin. 48 */ 49 50 #include <sys/param.h> 51 #include <sys/proc.h> 52 #include <sys/ioctl.h> 53 #include <sys/tty.h> 54 #include <sys/kernel.h> 55 #include <sys/malloc.h> 56 #include <sys/conf.h> 57 #include <sys/systm.h> 58 #include <sys/device.h> 59 #include <sys/file.h> 60 #include <sys/vnode.h> 61 #include <sys/poll.h> 62 63 #include <dev/ir/ir.h> 64 #include <dev/ir/sir.h> 65 #include <dev/ir/irdaio.h> 66 #include <dev/ir/irframevar.h> 67 68 /* Macros to clear/set/test flags. */ 69 #define SET(t, f) (t) |= (f) 70 #define CLR(t, f) (t) &= ~(f) 71 #define ISSET(t, f) ((t) & (f)) 72 73 #ifdef IRFRAMET_DEBUG 74 #define DPRINTF(x) if (irframetdebug) printf x 75 #define Static 76 int irframetdebug = 0; 77 #else 78 #define DPRINTF(x) 79 #define Static static 80 #endif 81 82 /*****/ 83 84 /* Max size with framing. */ 85 #define MAX_IRDA_FRAME (2*IRDA_MAX_FRAME_SIZE + IRDA_MAX_EBOFS + 4) 86 87 struct frame { 88 u_char *buf; 89 u_int len; 90 }; 91 #define MAXFRAMES 4 92 93 struct irframet_softc { 94 struct irframe_softc sc_irp; 95 struct tty *sc_tp; 96 97 int sc_dongle; 98 int sc_dongle_private; 99 100 int sc_state; 101 #define IRT_RSLP 0x01 /* waiting for data (read) */ 102 #if 0 103 #define IRT_WSLP 0x02 /* waiting for data (write) */ 104 #define IRT_CLOSING 0x04 /* waiting for output to drain */ 105 #endif 106 107 int sc_ebofs; 108 int sc_speed; 109 110 u_char* sc_inbuf; 111 int sc_maxsize; 112 int sc_framestate; 113 #define FRAME_OUTSIDE 0 114 #define FRAME_INSIDE 1 115 #define FRAME_ESCAPE 2 116 int sc_inchars; 117 int sc_inFCS; 118 struct callout sc_timeout; 119 120 u_int sc_nframes; 121 u_int sc_framei; 122 u_int sc_frameo; 123 struct frame sc_frames[MAXFRAMES]; 124 struct selinfo sc_rsel; 125 }; 126 127 /* line discipline methods */ 128 int irframetopen(dev_t dev, struct tty *tp); 129 int irframetclose(struct tty *tp, int flag); 130 int irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 131 struct proc *); 132 int irframetinput(int c, struct tty *tp); 133 int irframetstart(struct tty *tp); 134 135 /* pseudo device init */ 136 void irframettyattach(int); 137 138 /* irframe methods */ 139 Static int irframet_open(void *h, int flag, int mode, struct proc *p); 140 Static int irframet_close(void *h, int flag, int mode, struct proc *p); 141 Static int irframet_read(void *h, struct uio *uio, int flag); 142 Static int irframet_write(void *h, struct uio *uio, int flag); 143 Static int irframet_poll(void *h, int events, struct proc *p); 144 Static int irframet_set_params(void *h, struct irda_params *params); 145 Static int irframet_get_speeds(void *h, int *speeds); 146 Static int irframet_get_turnarounds(void *h, int *times); 147 148 /* internal */ 149 Static int irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len); 150 Static int irt_putc(struct tty *tp, int c); 151 Static void irt_frame(struct irframet_softc *sc, u_char *buf, u_int len); 152 Static void irt_timeout(void *v); 153 Static void irt_setspeed(struct tty *tp, u_int speed); 154 Static void irt_setline(struct tty *tp, u_int line); 155 Static void irt_delay(struct tty *tp, u_int delay); 156 157 Static const struct irframe_methods irframet_methods = { 158 irframet_open, irframet_close, irframet_read, irframet_write, 159 irframet_poll, irframet_set_params, 160 irframet_get_speeds, irframet_get_turnarounds 161 }; 162 163 Static void irts_none(struct tty *tp, u_int speed); 164 Static void irts_tekram(struct tty *tp, u_int speed); 165 Static void irts_jeteye(struct tty *tp, u_int speed); 166 Static void irts_actisys(struct tty *tp, u_int speed); 167 Static void irts_litelink(struct tty *tp, u_int speed); 168 Static void irts_girbil(struct tty *tp, u_int speed); 169 170 #define NORMAL_SPEEDS (IRDA_SPEEDS_SIR & ~IRDA_SPEED_2400) 171 #define TURNT_POS (IRDA_TURNT_10000 | IRDA_TURNT_5000 | IRDA_TURNT_1000 | \ 172 IRDA_TURNT_500 | IRDA_TURNT_100 | IRDA_TURNT_50 | IRDA_TURNT_10) 173 Static const struct dongle { 174 void (*setspeed)(struct tty *tp, u_int speed); 175 u_int speedmask; 176 u_int turnmask; 177 } irt_dongles[DONGLE_MAX] = { 178 /* Indexed by dongle number from irdaio.h */ 179 { irts_none, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 }, 180 { irts_tekram, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 }, 181 { irts_jeteye, IRDA_SPEED_9600|IRDA_SPEED_19200|IRDA_SPEED_115200, 182 IRDA_TURNT_10000 }, 183 { irts_actisys, NORMAL_SPEEDS & ~IRDA_SPEED_38400, TURNT_POS }, 184 { irts_actisys, NORMAL_SPEEDS, TURNT_POS }, 185 { irts_litelink, NORMAL_SPEEDS, TURNT_POS }, 186 { irts_girbil, IRDA_SPEEDS_SIR, IRDA_TURNT_10000 | IRDA_TURNT_5000 }, 187 }; 188 189 void 190 irframettyattach(int n) 191 { 192 } 193 194 /* 195 * Line specific open routine for async tty devices. 196 * Attach the given tty to the first available irframe unit. 197 * Called from device open routine or ttioctl. 198 */ 199 /* ARGSUSED */ 200 int 201 irframetopen(dev_t dev, struct tty *tp) 202 { 203 struct proc *p = curproc; /* XXX */ 204 struct irframet_softc *sc; 205 int error, s; 206 207 DPRINTF(("%s\n", __FUNCTION__)); 208 209 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0) 210 return (error); 211 212 s = spltty(); 213 214 DPRINTF(("%s: linesw=%p disc=%s\n", __FUNCTION__, tp->t_linesw, 215 tp->t_linesw->l_name)); 216 if (strcmp(tp->t_linesw->l_name, "irframe") == 0) { /* XXX */ 217 sc = (struct irframet_softc *)tp->t_sc; 218 DPRINTF(("%s: sc=%p sc_tp=%p\n", __FUNCTION__, sc, sc->sc_tp)); 219 if (sc != NULL) { 220 splx(s); 221 return (EBUSY); 222 } 223 } 224 225 tp->t_sc = irframe_alloc(sizeof (struct irframet_softc), 226 &irframet_methods, tp); 227 sc = (struct irframet_softc *)tp->t_sc; 228 sc->sc_tp = tp; 229 printf("%s attached at tty%02d\n", sc->sc_irp.sc_dev.dv_xname, 230 minor(tp->t_dev)); 231 232 DPRINTF(("%s: set sc=%p\n", __FUNCTION__, sc)); 233 234 ttyflush(tp, FREAD | FWRITE); 235 236 sc->sc_dongle = DONGLE_NONE; 237 sc->sc_dongle_private = 0; 238 239 splx(s); 240 241 return (0); 242 } 243 244 /* 245 * Line specific close routine, called from device close routine 246 * and from ttioctl. 247 * Detach the tty from the irframe unit. 248 * Mimics part of ttyclose(). 249 */ 250 int 251 irframetclose(struct tty *tp, int flag) 252 { 253 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 254 int s; 255 256 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 257 258 s = spltty(); 259 ttyflush(tp, FREAD | FWRITE); 260 tp->t_linesw = linesw[0]; /* default line discipline */ 261 if (sc != NULL) { 262 tp->t_sc = NULL; 263 printf("%s detached from tty%02d\n", sc->sc_irp.sc_dev.dv_xname, 264 minor(tp->t_dev)); 265 266 if (sc->sc_tp == tp) 267 irframe_dealloc(&sc->sc_irp.sc_dev); 268 } 269 splx(s); 270 return (0); 271 } 272 273 /* 274 * Line specific (tty) ioctl routine. 275 * This discipline requires that tty device drivers call 276 * the line specific l_ioctl routine from their ioctl routines. 277 */ 278 /* ARGSUSED */ 279 int 280 irframetioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 281 struct proc *p) 282 { 283 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 284 int error; 285 int d; 286 287 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 288 289 if (sc == NULL || tp != sc->sc_tp) 290 return (-1); 291 292 error = 0; 293 switch (cmd) { 294 case IRFRAMETTY_GET_DEVICE: 295 *(int *)data = sc->sc_irp.sc_dev.dv_unit; 296 break; 297 case IRFRAMETTY_GET_DONGLE: 298 *(int *)data = sc->sc_dongle; 299 break; 300 case IRFRAMETTY_SET_DONGLE: 301 d = *(int *)data; 302 if (d < 0 || d >= DONGLE_MAX) 303 return (EINVAL); 304 sc->sc_dongle = d; 305 break; 306 default: 307 error = EINVAL; 308 break; 309 } 310 311 return (error); 312 } 313 314 /* 315 * Start output on async tty interface. 316 * Called at spltty or higher. 317 */ 318 int 319 irframetstart(struct tty *tp) 320 { 321 /*struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;*/ 322 323 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 324 325 if (tp->t_oproc != NULL) 326 (*tp->t_oproc)(tp); 327 328 return (0); 329 } 330 331 void 332 irt_frame(struct irframet_softc *sc, u_char *buf, u_int len) 333 { 334 DPRINTF(("%s: nframe=%d framei=%d frameo=%d\n", 335 __FUNCTION__, sc->sc_nframes, sc->sc_framei, sc->sc_frameo)); 336 337 if (sc->sc_nframes >= MAXFRAMES) { 338 #ifdef IRFRAMET_DEBUG 339 printf("%s: dropped frame\n", __FUNCTION__); 340 #endif 341 return; 342 } 343 if (sc->sc_frames[sc->sc_framei].buf == NULL) 344 return; 345 memcpy(sc->sc_frames[sc->sc_framei].buf, buf, len); 346 sc->sc_frames[sc->sc_framei].len = len; 347 sc->sc_framei = (sc->sc_framei+1) % MAXFRAMES; 348 sc->sc_nframes++; 349 if (sc->sc_state & IRT_RSLP) { 350 sc->sc_state &= ~IRT_RSLP; 351 DPRINTF(("%s: waking up reader\n", __FUNCTION__)); 352 wakeup(sc->sc_frames); 353 } 354 selwakeup(&sc->sc_rsel); 355 } 356 357 void 358 irt_timeout(void *v) 359 { 360 struct irframet_softc *sc = v; 361 362 #ifdef IRFRAMET_DEBUG 363 if (sc->sc_framestate != FRAME_OUTSIDE) 364 printf("%s: input frame timeout\n", __FUNCTION__); 365 #endif 366 sc->sc_framestate = FRAME_OUTSIDE; 367 } 368 369 int 370 irframetinput(int c, struct tty *tp) 371 { 372 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 373 374 c &= 0xff; 375 376 #if IRFRAMET_DEBUG 377 if (irframetdebug > 1) 378 DPRINTF(("%s: tp=%p c=0x%02x\n", __FUNCTION__, tp, c)); 379 #endif 380 381 if (sc == NULL || tp != (struct tty *)sc->sc_tp) 382 return (0); 383 384 if (sc->sc_inbuf == NULL) 385 return (0); 386 387 switch (c) { 388 case SIR_BOF: 389 DPRINTF(("%s: BOF\n", __FUNCTION__)); 390 sc->sc_framestate = FRAME_INSIDE; 391 sc->sc_inchars = 0; 392 sc->sc_inFCS = INITFCS; 393 break; 394 case SIR_EOF: 395 DPRINTF(("%s: EOF state=%d inchars=%d fcs=0x%04x\n", 396 __FUNCTION__, 397 sc->sc_framestate, sc->sc_inchars, sc->sc_inFCS)); 398 if (sc->sc_framestate == FRAME_INSIDE && 399 sc->sc_inchars >= 4 && sc->sc_inFCS == GOODFCS) { 400 irt_frame(sc, sc->sc_inbuf, sc->sc_inchars - 2); 401 } else if (sc->sc_framestate != FRAME_OUTSIDE) { 402 #ifdef IRFRAMET_DEBUG 403 printf("%s: malformed input frame\n", __FUNCTION__); 404 #endif 405 } 406 sc->sc_framestate = FRAME_OUTSIDE; 407 break; 408 case SIR_CE: 409 DPRINTF(("%s: CE\n", __FUNCTION__)); 410 if (sc->sc_framestate == FRAME_INSIDE) 411 sc->sc_framestate = FRAME_ESCAPE; 412 break; 413 default: 414 #if IRFRAMET_DEBUG 415 if (irframetdebug > 1) 416 DPRINTF(("%s: c=0x%02x, inchar=%d state=%d\n", __FUNCTION__, c, 417 sc->sc_inchars, sc->sc_state)); 418 #endif 419 if (sc->sc_framestate != FRAME_OUTSIDE) { 420 if (sc->sc_framestate == FRAME_ESCAPE) { 421 sc->sc_framestate = FRAME_INSIDE; 422 c ^= SIR_ESC_BIT; 423 } 424 if (sc->sc_inchars < sc->sc_maxsize + 2) { 425 sc->sc_inbuf[sc->sc_inchars++] = c; 426 sc->sc_inFCS = updateFCS(sc->sc_inFCS, c); 427 } else { 428 sc->sc_framestate = FRAME_OUTSIDE; 429 #ifdef IRFRAMET_DEBUG 430 printf("%s: input frame overrun\n", 431 __FUNCTION__); 432 #endif 433 } 434 } 435 break; 436 } 437 438 #if 1 439 if (sc->sc_framestate != FRAME_OUTSIDE) { 440 callout_reset(&sc->sc_timeout, hz/20, irt_timeout, sc); 441 } 442 #endif 443 444 return (0); 445 } 446 447 448 /*** irframe methods ***/ 449 450 int 451 irframet_open(void *h, int flag, int mode, struct proc *p) 452 { 453 struct tty *tp = h; 454 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 455 456 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 457 458 sc->sc_speed = 0; 459 sc->sc_ebofs = IRDA_DEFAULT_EBOFS; 460 sc->sc_maxsize = 0; 461 sc->sc_framestate = FRAME_OUTSIDE; 462 sc->sc_nframes = 0; 463 sc->sc_framei = 0; 464 sc->sc_frameo = 0; 465 callout_init(&sc->sc_timeout); 466 467 return (0); 468 } 469 470 int 471 irframet_close(void *h, int flag, int mode, struct proc *p) 472 { 473 struct tty *tp = h; 474 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 475 int i, s; 476 477 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 478 479 callout_stop(&sc->sc_timeout); 480 s = splir(); 481 if (sc->sc_inbuf != NULL) { 482 free(sc->sc_inbuf, M_DEVBUF); 483 sc->sc_inbuf = NULL; 484 } 485 for (i = 0; i < MAXFRAMES; i++) { 486 if (sc->sc_frames[i].buf != NULL) { 487 free(sc->sc_frames[i].buf, M_DEVBUF); 488 sc->sc_frames[i].buf = NULL; 489 } 490 } 491 splx(s); 492 493 return (0); 494 } 495 496 int 497 irframet_read(void *h, struct uio *uio, int flag) 498 { 499 struct tty *tp = h; 500 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 501 int error = 0; 502 int s; 503 504 DPRINTF(("%s: resid=%d, iovcnt=%d, offset=%ld\n", 505 __FUNCTION__, uio->uio_resid, uio->uio_iovcnt, 506 (long)uio->uio_offset)); 507 DPRINTF(("%s: nframe=%d framei=%d frameo=%d\n", 508 __FUNCTION__, sc->sc_nframes, sc->sc_framei, sc->sc_frameo)); 509 510 511 s = splir(); 512 while (sc->sc_nframes == 0) { 513 if (flag & IO_NDELAY) { 514 splx(s); 515 return (EWOULDBLOCK); 516 } 517 sc->sc_state |= IRT_RSLP; 518 DPRINTF(("%s: sleep\n", __FUNCTION__)); 519 error = tsleep(sc->sc_frames, PZERO | PCATCH, "irtrd", 0); 520 DPRINTF(("%s: woke, error=%d\n", __FUNCTION__, error)); 521 if (error) { 522 sc->sc_state &= ~IRT_RSLP; 523 break; 524 } 525 } 526 527 /* Do just one frame transfer per read */ 528 if (!error) { 529 if (uio->uio_resid < sc->sc_frames[sc->sc_frameo].len) { 530 DPRINTF(("%s: uio buffer smaller than frame size (%d < %d)\n", __FUNCTION__, uio->uio_resid, sc->sc_frames[sc->sc_frameo].len)); 531 error = EINVAL; 532 } else { 533 DPRINTF(("%s: moving %d bytes\n", __FUNCTION__, 534 sc->sc_frames[sc->sc_frameo].len)); 535 error = uiomove(sc->sc_frames[sc->sc_frameo].buf, 536 sc->sc_frames[sc->sc_frameo].len, uio); 537 DPRINTF(("%s: error=%d\n", __FUNCTION__, error)); 538 } 539 sc->sc_frameo = (sc->sc_frameo+1) % MAXFRAMES; 540 sc->sc_nframes--; 541 } 542 splx(s); 543 544 return (error); 545 } 546 547 int 548 irt_putc(struct tty *tp, int c) 549 { 550 int s; 551 int error; 552 553 #if IRFRAMET_DEBUG 554 if (irframetdebug > 3) 555 DPRINTF(("%s: tp=%p c=0x%02x cc=%d\n", __FUNCTION__, tp, c, 556 tp->t_outq.c_cc)); 557 #endif 558 if (tp->t_outq.c_cc > tp->t_hiwat) { 559 irframetstart(tp); 560 s = spltty(); 561 /* 562 * This can only occur if FLUSHO is set in t_lflag, 563 * or if ttstart/oproc is synchronous (or very fast). 564 */ 565 if (tp->t_outq.c_cc <= tp->t_hiwat) { 566 splx(s); 567 goto go; 568 } 569 SET(tp->t_state, TS_ASLEEP); 570 error = ttysleep(tp, &tp->t_outq, TTOPRI | PCATCH, ttyout, 0); 571 splx(s); 572 if (error) 573 return (error); 574 } 575 go: 576 if (putc(c, &tp->t_outq) < 0) { 577 printf("irframe: putc failed\n"); 578 return (EIO); 579 } 580 return (0); 581 } 582 583 int 584 irframet_write(void *h, struct uio *uio, int flag) 585 { 586 struct tty *tp = h; 587 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 588 u_int8_t buf[MAX_IRDA_FRAME]; 589 int n; 590 591 DPRINTF(("%s: resid=%d, iovcnt=%d, offset=%ld\n", 592 __FUNCTION__, uio->uio_resid, uio->uio_iovcnt, 593 (long)uio->uio_offset)); 594 595 n = irda_sir_frame(buf, MAX_IRDA_FRAME, uio, sc->sc_ebofs); 596 if (n < 0) { 597 #ifdef IRFRAMET_DEBUG 598 printf("%s: irda_sir_frame() error=%d\n", __FUNCTION__, -n); 599 #endif 600 return (-n); 601 } 602 return (irt_write_frame(tp, buf, n)); 603 } 604 605 int 606 irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len) 607 { 608 int error, i; 609 610 DPRINTF(("%s: tp=%p len=%d\n", __FUNCTION__, tp, len)); 611 612 error = 0; 613 for (i = 0; !error && i < len; i++) 614 error = irt_putc(tp, buf[i]); 615 616 irframetstart(tp); 617 618 DPRINTF(("%s: done, error=%d\n", __FUNCTION__, error)); 619 620 return (error); 621 } 622 623 int 624 irframet_poll(void *h, int events, struct proc *p) 625 { 626 struct tty *tp = h; 627 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 628 int revents = 0; 629 int s; 630 631 DPRINTF(("%s: sc=%p\n", __FUNCTION__, sc)); 632 633 s = splir(); 634 /* XXX is this a good check? */ 635 if (events & (POLLOUT | POLLWRNORM)) 636 if (tp->t_outq.c_cc <= tp->t_lowat) 637 revents |= events & (POLLOUT | POLLWRNORM); 638 639 if (events & (POLLIN | POLLRDNORM)) { 640 if (sc->sc_nframes > 0) { 641 DPRINTF(("%s: have data\n", __FUNCTION__)); 642 revents |= events & (POLLIN | POLLRDNORM); 643 } else { 644 DPRINTF(("%s: recording select\n", __FUNCTION__)); 645 selrecord(p, &sc->sc_rsel); 646 } 647 } 648 splx(s); 649 650 return (revents); 651 } 652 653 int 654 irframet_set_params(void *h, struct irda_params *p) 655 { 656 struct tty *tp = h; 657 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 658 int i; 659 660 DPRINTF(("%s: tp=%p speed=%d ebofs=%d maxsize=%d\n", 661 __FUNCTION__, tp, p->speed, p->ebofs, p->maxsize)); 662 663 if (p->speed != sc->sc_speed) { 664 /* Checked in irframe.c */ 665 irt_dongles[sc->sc_dongle].setspeed(tp, p->speed); 666 sc->sc_speed = p->speed; 667 } 668 669 /* Max size checked in irframe.c */ 670 sc->sc_ebofs = p->ebofs; 671 /* Max size checked in irframe.c */ 672 if (sc->sc_maxsize != p->maxsize) { 673 sc->sc_maxsize = p->maxsize; 674 if (sc->sc_inbuf != NULL) 675 free(sc->sc_inbuf, M_DEVBUF); 676 for (i = 0; i < MAXFRAMES; i++) 677 if (sc->sc_frames[i].buf != NULL) 678 free(sc->sc_frames[i].buf, M_DEVBUF); 679 if (sc->sc_maxsize != 0) { 680 sc->sc_inbuf = malloc(sc->sc_maxsize+2, M_DEVBUF, 681 M_WAITOK); 682 for (i = 0; i < MAXFRAMES; i++) 683 sc->sc_frames[i].buf = malloc(sc->sc_maxsize, 684 M_DEVBUF, M_WAITOK); 685 } else { 686 sc->sc_inbuf = NULL; 687 for (i = 0; i < MAXFRAMES; i++) 688 sc->sc_frames[i].buf = NULL; 689 } 690 } 691 sc->sc_framestate = FRAME_OUTSIDE; 692 693 return (0); 694 } 695 696 int 697 irframet_get_speeds(void *h, int *speeds) 698 { 699 struct tty *tp = h; 700 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 701 702 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 703 704 if (sc == NULL) /* during attach */ 705 *speeds = IRDA_SPEEDS_SIR; 706 else 707 *speeds = irt_dongles[sc->sc_dongle].speedmask; 708 return (0); 709 } 710 711 int 712 irframet_get_turnarounds(void *h, int *turnarounds) 713 { 714 struct tty *tp = h; 715 struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc; 716 717 DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp)); 718 719 *turnarounds = irt_dongles[sc->sc_dongle].turnmask; 720 return (0); 721 } 722 723 void 724 irt_setspeed(struct tty *tp, u_int speed) 725 { 726 struct termios tt; 727 728 ttioctl(tp, TIOCGETA, (caddr_t)&tt, 0, curproc); 729 tt.c_ispeed = tt.c_ospeed = speed; 730 ttioctl(tp, TIOCSETAF, (caddr_t)&tt, 0, curproc); 731 } 732 733 void 734 irt_setline(struct tty *tp, u_int line) 735 { 736 int mline = line; 737 ttioctl(tp, TIOCMSET, (caddr_t)&mline, 0, curproc); 738 } 739 740 void 741 irt_delay(struct tty *tp, u_int ms) 742 { 743 if (cold) 744 delay(ms * 1000); 745 else 746 tsleep(&irt_delay, PZERO, "irtdly", ms * hz / 1000 + 1); 747 748 } 749 750 /********************************************************************** 751 * No dongle 752 **********************************************************************/ 753 void 754 irts_none(struct tty *tp, u_int speed) 755 { 756 irt_setspeed(tp, speed); 757 } 758 759 /********************************************************************** 760 * Tekram 761 **********************************************************************/ 762 #define TEKRAM_PW 0x10 763 764 #define TEKRAM_115200 (TEKRAM_PW|0x00) 765 #define TEKRAM_57600 (TEKRAM_PW|0x01) 766 #define TEKRAM_38400 (TEKRAM_PW|0x02) 767 #define TEKRAM_19200 (TEKRAM_PW|0x03) 768 #define TEKRAM_9600 (TEKRAM_PW|0x04) 769 #define TEKRAM_2400 (TEKRAM_PW|0x08) 770 771 #define TEKRAM_TV (TEKRAM_PW|0x05) 772 773 void 774 irts_tekram(struct tty *tp, u_int speed) 775 { 776 int s; 777 778 irt_setspeed(tp, 9600); 779 irt_setline(tp, 0); 780 irt_delay(tp, 50); 781 irt_setline(tp, TIOCM_RTS); 782 irt_delay(tp, 1); 783 irt_setline(tp, TIOCM_DTR | TIOCM_RTS); 784 irt_delay(tp, 1); /* 50 us */ 785 irt_setline(tp, TIOCM_DTR); 786 irt_delay(tp, 1); /* 7 us */ 787 switch(speed) { 788 case 115200: s = TEKRAM_115200; break; 789 case 57600: s = TEKRAM_57600; break; 790 case 38400: s = TEKRAM_38400; break; 791 case 19200: s = TEKRAM_19200; break; 792 case 2400: s = TEKRAM_2400; break; 793 default: s = TEKRAM_9600; break; 794 } 795 irt_putc(tp, s); 796 irt_delay(tp, 100); 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 11:09:46 GMT 2025