ite.c revision 1.75 1 /* $NetBSD: ite.c,v 1.75 2006/10/01 18:56:21 elad Exp $ */
2
3 /*
4 * Copyright (c) 1990 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * the Systems Programming Group of the University of Utah Computer
9 * Science Department.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * from: Utah Hdr: ite.c 1.1 90/07/09
36 * @(#)ite.c 7.6 (Berkeley) 5/16/91
37 */
38 /*
39 * Copyright (c) 1988 University of Utah.
40 *
41 * This code is derived from software contributed to Berkeley by
42 * the Systems Programming Group of the University of Utah Computer
43 * Science Department.
44 *
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions
47 * are met:
48 * 1. Redistributions of source code must retain the above copyright
49 * notice, this list of conditions and the following disclaimer.
50 * 2. Redistributions in binary form must reproduce the above copyright
51 * notice, this list of conditions and the following disclaimer in the
52 * documentation and/or other materials provided with the distribution.
53 * 3. All advertising materials mentioning features or use of this software
54 * must display the following acknowledgement:
55 * This product includes software developed by the University of
56 * California, Berkeley and its contributors.
57 * 4. Neither the name of the University nor the names of its contributors
58 * may be used to endorse or promote products derived from this software
59 * without specific prior written permission.
60 *
61 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
64 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * SUCH DAMAGE.
72 *
73 * from: Utah Hdr: ite.c 1.1 90/07/09
74 * @(#)ite.c 7.6 (Berkeley) 5/16/91
75 */
76
77 /*
78 * ite - bitmaped terminal.
79 * Supports VT200, a few terminal features will be unavailable until
80 * the system actually probes the device (i.e. not after consinit())
81 */
82
83 #include "opt_ddb.h"
84
85 #include <sys/cdefs.h>
86 __KERNEL_RCSID(0, "$NetBSD: ite.c,v 1.75 2006/10/01 18:56:21 elad Exp $");
87
88 #include <sys/param.h>
89 #include <sys/kernel.h>
90 #include <sys/device.h>
91 #include <sys/fcntl.h>
92 #include <sys/malloc.h>
93 #include <sys/ioctl.h>
94 #include <sys/tty.h>
95 #include <sys/termios.h>
96 #include <sys/systm.h>
97 #include <sys/callout.h>
98 #include <sys/proc.h>
99 #include <dev/cons.h>
100 #include <sys/kauth.h>
101 #include <amiga/amiga/cc.h>
102 #include <amiga/amiga/color.h> /* DEBUG */
103 #include <amiga/amiga/custom.h> /* DEBUG */
104 #include <amiga/amiga/device.h>
105 #if defined(__m68k__)
106 #include <amiga/amiga/isr.h>
107 #endif
108 #include <amiga/dev/iteioctl.h>
109 #include <amiga/dev/itevar.h>
110 #include <amiga/dev/kbdmap.h>
111 #include <amiga/dev/grfioctl.h>
112 #include <amiga/dev/grfvar.h>
113
114 #include <machine/cpu.h> /* for is_draco() */
115
116 #include <sys/conf.h>
117
118 #include "grfcc.h"
119 #include "ite.h"
120
121 /*
122 * XXX go ask sys/kern/tty.c:ttselect()
123 */
124
125 #define ITEUNIT(dev) (minor(dev))
126
127 #define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
128 #define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
129 #define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
130 #define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
131 #define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
132 #define SUBR_SCROLL(ip,sy,sx,count,dir) \
133 (ip)->grf->g_itescroll(ip,sy,sx,count,dir)
134
135 int start_repeat_timeo = 30; /* first repeat after x s/100 */
136 int next_repeat_timeo = 10; /* next repeat after x s/100 */
137
138 int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
139
140 struct ite_softc con_itesoftc;
141 u_char cons_tabs[MAX_TABS];
142
143 struct ite_softc *kbd_ite;
144
145 /* audio bell stuff */
146 u_int bvolume = 10;
147 u_int bpitch = 660;
148 u_int bmsec = 75;
149
150 static char *bsamplep;
151 static char sample[20] = {
152 0,39,75,103,121,127,121,103,75,39,0,
153 -39,-75,-103,-121,-127,-121,-103,-75,-39
154 };
155
156 void iteputchar(int c, struct ite_softc *ip);
157 void ite_putstr(const char * s, int len, dev_t dev);
158 void iteattach(struct device *, struct device *, void *);
159 int itematch(struct device *, struct cfdata *, void *);
160 static void iteprecheckwrap(struct ite_softc *);
161 static void itecheckwrap(struct ite_softc *);
162 struct ite_softc *getitesp(dev_t);
163 void init_bell(void);
164 void ite_bell(void);
165 void itecnpollc(dev_t, int);
166 static void repeat_handler(void *);
167 inline static void ite_sendstr(const char *);
168 static void alignment_display(struct ite_softc *);
169 inline static void snap_cury(struct ite_softc *);
170 inline static void ite_dnchar(struct ite_softc *, int);
171 inline static void ite_inchar(struct ite_softc *, int);
172 inline static void ite_clrtoeol(struct ite_softc *);
173 inline static void ite_clrtobol(struct ite_softc *);
174 inline static void ite_clrline(struct ite_softc *);
175 inline static void ite_clrtoeos(struct ite_softc *);
176 inline static void ite_clrtobos(struct ite_softc *);
177 inline static void ite_clrscreen(struct ite_softc *);
178 inline static void ite_dnline(struct ite_softc *, int);
179 inline static void ite_inline(struct ite_softc *, int);
180 inline static void ite_lf(struct ite_softc *);
181 inline static void ite_crlf(struct ite_softc *);
182 inline static void ite_cr(struct ite_softc *);
183 inline static void ite_rlf(struct ite_softc *);
184 inline static int atoi(const char *);
185 inline static int ite_argnum(struct ite_softc *);
186 inline static int ite_zargnum(struct ite_softc *);
187
188 CFATTACH_DECL(ite, sizeof(struct ite_softc),
189 itematch, iteattach, NULL, NULL);
190
191 extern struct cfdriver ite_cd;
192
193 dev_type_open(iteopen);
194 dev_type_close(iteclose);
195 dev_type_read(iteread);
196 dev_type_write(itewrite);
197 dev_type_ioctl(iteioctl);
198 dev_type_tty(itetty);
199 dev_type_poll(itepoll);
200
201 const struct cdevsw ite_cdevsw = {
202 iteopen, iteclose, iteread, itewrite, iteioctl,
203 nostop, itetty, itepoll, nommap, ttykqfilter, D_TTY
204 };
205
206 int
207 itematch(struct device *pdp, struct cfdata *cfp, void *auxp)
208 {
209 struct grf_softc *gp;
210 int maj;
211
212 gp = auxp;
213
214 /*
215 * XXX
216 * normally this would be done in attach, however
217 * during early init we do not have a device pointer
218 * and thus no unit number.
219 */
220 maj = cdevsw_lookup_major(&ite_cdevsw);
221 gp->g_itedev = makedev(maj, cfp->cf_unit);
222 return(1);
223 }
224
225 void
226 iteattach(struct device *pdp, struct device *dp, void *auxp)
227 {
228 struct grf_softc *gp;
229 struct ite_softc *ip;
230 int s;
231
232 gp = (struct grf_softc *)auxp;
233 if (dp) {
234 ip = (struct ite_softc *)dp;
235
236 s = spltty();
237 if (con_itesoftc.grf != NULL &&
238 con_itesoftc.grf->g_unit == gp->g_unit) {
239 /*
240 * console reinit copy params over.
241 * and console always gets keyboard
242 */
243 bcopy(&con_itesoftc.grf, &ip->grf,
244 (char *)&ip[1] - (char *)&ip->grf);
245 con_itesoftc.grf = NULL;
246 kbd_ite = ip;
247 }
248 ip->grf = gp;
249 splx(s);
250
251 alloc_sicallback();
252 iteinit(gp->g_itedev);
253 printf(": rows %d cols %d", ip->rows, ip->cols);
254 printf(" repeat at (%d/100)s next at (%d/100)s",
255 start_repeat_timeo, next_repeat_timeo);
256
257 if (kbd_ite == NULL)
258 kbd_ite = ip;
259 if (kbd_ite == ip)
260 printf(" has keyboard");
261 printf("\n");
262 ip->flags |= ITE_ATTACHED;
263 } else {
264 if (con_itesoftc.grf != NULL &&
265 con_itesoftc.grf->g_conpri > gp->g_conpri)
266 return;
267 con_itesoftc.grf = gp;
268 con_itesoftc.tabs = cons_tabs;
269 }
270 }
271
272 struct ite_softc *
273 getitesp(dev_t dev)
274 {
275 if (amiga_realconfig && con_itesoftc.grf == NULL)
276 return(ite_cd.cd_devs[ITEUNIT(dev)]);
277
278 if (con_itesoftc.grf == NULL)
279 panic("no ite_softc for console");
280 return(&con_itesoftc);
281 }
282
283 /*
284 * cons.c entry points into ite device.
285 */
286
287 /*
288 * Return a priority in consdev->cn_pri field highest wins. This function
289 * is called before any devices have been probed.
290 */
291 void
292 itecnprobe(struct consdev *cd)
293 {
294 /*
295 * bring graphics layer up.
296 */
297 config_console();
298
299 /*
300 * return priority of the best ite (already picked from attach)
301 * or CN_DEAD.
302 */
303 if (con_itesoftc.grf == NULL)
304 cd->cn_pri = CN_DEAD;
305 else {
306 cd->cn_pri = con_itesoftc.grf->g_conpri;
307 cd->cn_dev = con_itesoftc.grf->g_itedev;
308 }
309 }
310
311 /* audio bell stuff */
312 void
313 init_bell(void)
314 {
315 if (bsamplep != NULL)
316 return;
317 bsamplep = alloc_chipmem(20);
318 if (bsamplep == NULL)
319 panic("no chipmem for ite_bell");
320
321 bcopy(sample, bsamplep, 20);
322 }
323
324 void
325 ite_bell(void)
326 {
327 u_int clock;
328 u_int period;
329 u_int count;
330
331 clock = 3579545; /* PAL 3546895 */
332
333 /*
334 * the number of clock ticks per sample byte must be > 124
335 * ergo bpitch must be < clock / 124*20
336 * i.e. ~1443, 1300 to be safe (PAL etc.). also not zero obviously
337 */
338 period = clock / (bpitch * 20);
339 count = bmsec * bpitch / 1000;
340
341 play_sample(10, PREP_DMA_MEM(bsamplep), period, bvolume, 0x3, count);
342 }
343
344 void
345 itecninit(struct consdev *cd)
346 {
347 struct ite_softc *ip;
348
349 ip = getitesp(cd->cn_dev);
350 iteinit(cd->cn_dev);
351 ip->flags |= ITE_ACTIVE | ITE_ISCONS;
352
353 #ifdef DRACO
354 if (!is_draco())
355 #endif
356 init_bell();
357 }
358
359 /*
360 * ite_cnfinish() is called in ite_init() when the device is
361 * being probed in the normal fasion, thus we can finish setting
362 * up this ite now that the system is more functional.
363 */
364 void
365 ite_cnfinish(struct ite_softc *ip)
366 {
367 static int done;
368
369 if (done)
370 return;
371 done = 1;
372 }
373
374 int
375 itecngetc(dev_t dev)
376 {
377 int c;
378
379 /* XXX this should be moved */
380 kbdenable();
381 do {
382 c = kbdgetcn();
383 c = ite_cnfilter(c, ITEFILT_CONSOLE);
384 } while (c == -1);
385 return (c);
386 }
387
388 void
389 itecnputc(dev_t dev, int c)
390 {
391 static int paniced;
392 struct ite_softc *ip;
393 char ch;
394
395 ip = getitesp(dev);
396 ch = c;
397
398 if (panicstr && !paniced &&
399 (ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
400 ite_on(dev, 3);
401 paniced = 1;
402 }
403 iteputchar(ch, ip);
404 }
405
406 void
407 itecnpollc(dev_t dev, int on)
408 {
409 }
410
411 /*
412 * standard entry points to the device.
413 */
414
415 /*
416 * iteinit() is the standard entry point for initialization of
417 * an ite device, it is also called from ite_cninit().
418 *
419 */
420 void
421 iteinit(dev_t dev)
422 {
423 struct ite_softc *ip;
424 static int kbdmap_loaded = 0;
425
426 ip = getitesp(dev);
427 if (ip->flags & ITE_INITED)
428 return;
429 if (kbdmap_loaded == 0) {
430 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
431 kbdmap_loaded = 1;
432 }
433
434 ip->cursorx = 0;
435 ip->cursory = 0;
436 SUBR_INIT(ip);
437 SUBR_CURSOR(ip, DRAW_CURSOR);
438 if (ip->tabs == NULL)
439 ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
440 ite_reset(ip);
441 ip->flags |= ITE_INITED;
442 }
443
444 int
445 iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
446 {
447 struct ite_softc *ip;
448 struct tty *tp;
449 int error, first, unit;
450
451 unit = ITEUNIT(dev);
452 first = 0;
453
454 if (unit >= ite_cd.cd_ndevs)
455 return ENXIO;
456 ip = getitesp(dev);
457 if (ip == NULL)
458 return ENXIO;
459 if ((ip->flags & ITE_ATTACHED) == 0)
460 return ENXIO;
461
462 if (ip->tp == NULL) {
463 tp = ip->tp = ttymalloc();
464 tty_attach(tp);
465 } else
466 tp = ip->tp;
467
468 if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
469 return (EBUSY);
470
471 if ((ip->flags & ITE_ACTIVE) == 0) {
472 ite_on(dev, 0);
473 first = 1;
474 }
475 tp->t_oproc = itestart;
476 tp->t_param = ite_param;
477 tp->t_dev = dev;
478 if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
479 ttychars(tp);
480 tp->t_iflag = TTYDEF_IFLAG;
481 tp->t_oflag = TTYDEF_OFLAG;
482 tp->t_cflag = TTYDEF_CFLAG;
483 tp->t_lflag = TTYDEF_LFLAG;
484 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
485 tp->t_state = TS_CARR_ON;
486 ttsetwater(tp);
487 }
488 error = ttyopen(tp, 0, mode & O_NONBLOCK);
489 if (error)
490 goto bad;
491
492 error = tp->t_linesw->l_open(dev, tp);
493 if (error)
494 goto bad;
495
496 tp->t_winsize.ws_row = ip->rows;
497 tp->t_winsize.ws_col = ip->cols;
498 kbdenable();
499 return (0);
500 bad:
501 if (first)
502 ite_off(dev, 0);
503 return (error);
504 }
505
506 int
507 iteclose(dev_t dev, int flag, int mode, struct lwp *l)
508 {
509 struct tty *tp;
510
511 tp = getitesp(dev)->tp;
512
513 KDASSERT(tp);
514 tp->t_linesw->l_close(tp, flag);
515 ttyclose(tp);
516 ite_off(dev, 0);
517 return (0);
518 }
519
520 int
521 iteread(dev_t dev, struct uio *uio, int flag)
522 {
523 struct tty *tp;
524
525 tp = getitesp(dev)->tp;
526
527 KDASSERT(tp);
528 return tp->t_linesw->l_read(tp, uio, flag);
529 }
530
531 int
532 itewrite(dev_t dev, struct uio *uio, int flag)
533 {
534 struct tty *tp;
535
536 tp = getitesp(dev)->tp;
537
538 KDASSERT(tp);
539 return tp->t_linesw->l_write(tp, uio, flag);
540 }
541
542 int
543 itepoll(dev_t dev, int events, struct lwp *l)
544 {
545 struct tty *tp;
546
547 tp = getitesp(dev)->tp;
548
549 KDASSERT(tp);
550 return ((*tp->t_linesw->l_poll)(tp, events, l));
551 }
552
553 struct tty *
554 itetty(dev_t dev)
555 {
556 return (getitesp(dev)->tp);
557 }
558
559 int
560 iteioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct lwp *l)
561 {
562 struct iterepeat *irp;
563 struct ite_softc *ip;
564 struct itebell *ib;
565 struct tty *tp;
566 int error;
567
568 ip = getitesp(dev);
569 tp = ip->tp;
570
571 KDASSERT(tp);
572
573 error = tp->t_linesw->l_ioctl(tp, cmd, addr, flag, l);
574 if (error != EPASSTHROUGH)
575 return (error);
576 error = ttioctl(tp, cmd, addr, flag, l);
577 if (error != EPASSTHROUGH)
578 return (error);
579
580 switch (cmd) {
581 case ITEIOCGBELL:
582 ib = (struct itebell *)addr;
583 ib->volume = bvolume;
584 ib->pitch = bpitch;
585 ib->msec = bmsec;
586 return (0);
587 case ITEIOCSBELL:
588 ib = (struct itebell *)addr;
589
590 if (ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH ||
591 ib->volume > MAXBVOLUME || ib->msec > MAXBTIME)
592 return (EINVAL);
593 bvolume = ib->volume;
594 bpitch = ib->pitch;
595 bmsec = ib->msec;
596 return (0);
597 case ITEIOCSKMAP:
598 if (addr == 0)
599 return(EFAULT);
600 bcopy(addr, &kbdmap, sizeof(struct kbdmap));
601 return(0);
602 case ITEIOCGKMAP:
603 if (addr == NULL)
604 return(EFAULT);
605 bcopy(&kbdmap, addr, sizeof(struct kbdmap));
606 return(0);
607 case ITEIOCGREPT:
608 irp = (struct iterepeat *)addr;
609 irp->start = start_repeat_timeo;
610 irp->next = next_repeat_timeo;
611 return (0);
612 case ITEIOCSREPT:
613 irp = (struct iterepeat *)addr;
614 if (irp->start < ITEMINREPEAT && irp->next < ITEMINREPEAT)
615 return(EINVAL);
616 start_repeat_timeo = irp->start;
617 next_repeat_timeo = irp->next;
618 return(0);
619 }
620 #if NGRFCC > 0
621 /* XXX */
622 if (minor(dev) == 0) {
623 error = ite_grf_ioctl(ip, cmd, addr, flag, l);
624 if (error >= 0)
625 return (error);
626 }
627 #endif
628 return (EPASSTHROUGH);
629 }
630
631 void
632 itestart(struct tty *tp)
633 {
634 struct clist *rbp;
635 struct ite_softc *ip;
636 u_char buf[ITEBURST];
637 int s, len;
638
639 ip = getitesp(tp->t_dev);
640
641 KDASSERT(tp);
642
643 s = spltty(); {
644 if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
645 goto out;
646
647 tp->t_state |= TS_BUSY;
648 rbp = &tp->t_outq;
649
650 len = q_to_b(rbp, buf, ITEBURST);
651 } splx(s);
652
653 /* Here is a really good place to implement pre/jumpscroll() */
654 ite_putstr(buf, len, tp->t_dev);
655
656 s = spltty(); {
657 tp->t_state &= ~TS_BUSY;
658 /* we have characters remaining. */
659 if (rbp->c_cc) {
660 tp->t_state |= TS_TIMEOUT;
661 callout_reset(&tp->t_rstrt_ch, 1, ttrstrt, tp);
662 }
663 /* wakeup we are below */
664 if (rbp->c_cc <= tp->t_lowat) {
665 if (tp->t_state & TS_ASLEEP) {
666 tp->t_state &= ~TS_ASLEEP;
667 wakeup((caddr_t) rbp);
668 }
669 selwakeup(&tp->t_wsel);
670 }
671 }
672 out:
673 splx(s);
674 }
675
676 void
677 ite_on(dev_t dev, int flag)
678 {
679 struct ite_softc *ip;
680 int unit;
681
682 unit = ITEUNIT(dev);
683 ip = getitesp(dev);
684
685 /* force ite active, overriding graphics mode */
686 if (flag & 1) {
687 ip->flags |= ITE_ACTIVE;
688 ip->flags &= ~(ITE_INGRF | ITE_INITED);
689 }
690 /* leave graphics mode */
691 if (flag & 2) {
692 ip->flags &= ~ITE_INGRF;
693 if ((ip->flags & ITE_ACTIVE) == 0)
694 return;
695 }
696 ip->flags |= ITE_ACTIVE;
697 if (ip->flags & ITE_INGRF)
698 return;
699 iteinit(dev);
700 }
701
702 void
703 ite_off(dev_t dev, int flag)
704 {
705 struct ite_softc *ip;
706
707 ip = getitesp(dev);
708 if (flag & 2)
709 ip->flags |= ITE_INGRF;
710 if ((ip->flags & ITE_ACTIVE) == 0)
711 return;
712 if ((flag & 1) ||
713 (ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
714 SUBR_DEINIT(ip);
715 /* XXX hmm grfon() I think wants this to go inactive. */
716 if ((flag & 2) == 0)
717 ip->flags &= ~ITE_ACTIVE;
718 }
719
720 /* XXX called after changes made in underlying grf layer. */
721 /* I want to nuke this */
722 void
723 ite_reinit(dev_t dev)
724 {
725 struct ite_softc *ip;
726
727 ip = getitesp(dev);
728 ip->flags &= ~ITE_INITED;
729 iteinit(dev);
730 }
731
732 int
733 ite_param(struct tty *tp, struct termios *t)
734 {
735 tp->t_ispeed = t->c_ispeed;
736 tp->t_ospeed = t->c_ospeed;
737 tp->t_cflag = t->c_cflag;
738 return (0);
739 }
740
741 void
742 ite_reset(struct ite_softc *ip)
743 {
744 int i;
745
746 ip->curx = 0;
747 ip->cury = 0;
748 ip->attribute = ATTR_NOR;
749 ip->save_curx = 0;
750 ip->save_cury = 0;
751 ip->save_attribute = ATTR_NOR;
752 ip->ap = ip->argbuf;
753 ip->emul_level = 0;
754 ip->eightbit_C1 = 0;
755 ip->top_margin = 0;
756 ip->bottom_margin = ip->rows - 1;
757 ip->inside_margins = 0;
758 ip->linefeed_newline = 0;
759 ip->auto_wrap = ite_default_wrap;
760 ip->cursor_appmode = 0;
761 ip->keypad_appmode = 0;
762 ip->imode = 0;
763 ip->key_repeat = 1;
764 bzero(ip->tabs, ip->cols);
765 for (i = 0; i < ip->cols; i++)
766 ip->tabs[i] = ((i & 7) == 0);
767 }
768
769 /*
770 * has to be global because of the shared filters.
771 */
772 static u_char key_mod;
773 static u_char last_dead;
774
775 /* Used in console at startup only */
776 int
777 ite_cnfilter(u_char c, enum caller caller)
778 {
779 struct key key;
780 u_char code, up, mask;
781 int s, i;
782
783 up = c & 0x80 ? 1 : 0;
784 c &= 0x7f;
785 code = 0;
786
787 s = spltty();
788
789 i = (int)c - KBD_LEFT_SHIFT;
790 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
791 mask = 1 << i;
792 if (up)
793 key_mod &= ~mask;
794 else
795 key_mod |= mask;
796 splx(s);
797 return -1;
798 }
799
800 if (up) {
801 splx(s);
802 return -1;
803 }
804
805 /* translate modifiers */
806 if (key_mod & KBD_MOD_SHIFT) {
807 if (key_mod & KBD_MOD_ALT)
808 key = kbdmap.alt_shift_keys[c];
809 else
810 key = kbdmap.shift_keys[c];
811 } else if (key_mod & KBD_MOD_ALT)
812 key = kbdmap.alt_keys[c];
813 else {
814 key = kbdmap.keys[c];
815 /* if CAPS and key is CAPable (no pun intended) */
816 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
817 key = kbdmap.shift_keys[c];
818 }
819 code = key.code;
820
821 /* if string return */
822 if (key.mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
823 splx(s);
824 return -1;
825 }
826 /* handle dead keys */
827 if (key.mode & KBD_MODE_DEAD) {
828 /* if entered twice, send accent itself */
829 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
830 last_dead = 0;
831 else {
832 last_dead = key.mode & KBD_MODE_ACCMASK;
833 splx(s);
834 return -1;
835 }
836 }
837 if (last_dead) {
838 /* can't apply dead flag to string-keys */
839 if (code >= '@' && code < 0x7f)
840 code =
841 acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
842 last_dead = 0;
843 }
844 if (key_mod & KBD_MOD_CTRL)
845 code &= 0x1f;
846 if (key_mod & KBD_MOD_META)
847 code |= 0x80;
848
849 /* do console mapping. */
850 code = code == '\r' ? '\n' : code;
851
852 splx(s);
853 return (code);
854 }
855
856 /* And now the old stuff. */
857
858 /* these are used to implement repeating keys.. */
859 static u_char last_char;
860 static u_char tout_pending;
861
862 static struct callout repeat_ch = CALLOUT_INITIALIZER;
863
864 /*ARGSUSED*/
865 static void
866 repeat_handler(void *arg)
867 {
868 tout_pending = 0;
869 if (last_char)
870 ite_filter(last_char, ITEFILT_REPEATER);
871 }
872
873 void
874 ite_filter(u_char c, enum caller caller)
875 {
876 struct tty *kbd_tty;
877 u_char code, *str, up, mask;
878 struct key key;
879 int s, i;
880
881 if (kbd_ite == NULL || kbd_ite->tp == NULL)
882 return;
883
884 kbd_tty = kbd_ite->tp;
885
886 /* have to make sure we're at spltty in here */
887 s = spltty();
888
889 /*
890 * keyboard interrupts come at priority 2, while softint
891 * generated keyboard-repeat interrupts come at level 1. So,
892 * to not allow a key-up event to get thru before a repeat for
893 * the key-down, we remove any outstanding callout requests..
894 rem_sicallback(ite_sifilter);
895 */
896
897 up = c & 0x80 ? 1 : 0;
898 c &= 0x7f;
899 code = 0;
900
901 i = (int)c - KBD_LEFT_SHIFT;
902 if (i >= 0 && i <= (KBD_RIGHT_META - KBD_LEFT_SHIFT)) {
903 mask = 1 << i;
904 if (up)
905 key_mod &= ~mask;
906 else
907 key_mod |= mask;
908 splx(s);
909 return;
910 }
911 /* stop repeating on up event */
912 if (up) {
913 if (tout_pending) {
914 callout_stop(&repeat_ch);
915 tout_pending = 0;
916 last_char = 0;
917 }
918 splx(s);
919 return;
920 } else if (tout_pending && last_char != c) {
921 /* different character, stop also */
922 callout_stop(&repeat_ch);
923 tout_pending = 0;
924 last_char = 0;
925 }
926 /* Safety button, switch back to ascii keymap. */
927 if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x50) {
928 bcopy(&ascii_kbdmap, &kbdmap, sizeof(struct kbdmap));
929
930 splx(s);
931 return;
932 #ifdef DDB
933 } else if (key_mod == (KBD_MOD_LALT | KBD_MOD_LMETA) && c == 0x59) {
934 Debugger();
935 splx(s);
936 return;
937 #endif
938 }
939 /* translate modifiers */
940 if (key_mod & KBD_MOD_SHIFT) {
941 if (key_mod & KBD_MOD_ALT)
942 key = kbdmap.alt_shift_keys[c];
943 else
944 key = kbdmap.shift_keys[c];
945 } else if (key_mod & KBD_MOD_ALT)
946 key = kbdmap.alt_keys[c];
947 else {
948 key = kbdmap.keys[c];
949 /* if CAPS and key is CAPable (no pun intended) */
950 if ((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
951 key = kbdmap.shift_keys[c];
952 }
953 code = key.code;
954
955 /*
956 * arrange to repeat the keystroke. By doing this at the level
957 * of scan-codes, we can have function keys, and keys that
958 * send strings, repeat too. This also entitles an additional
959 * overhead, since we have to do the conversion each time, but
960 * I guess that's ok.
961 */
962 if (!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
963 tout_pending = 1;
964 last_char = c;
965 callout_reset(&repeat_ch,
966 start_repeat_timeo * hz / 100, repeat_handler, NULL);
967 } else if (!tout_pending && caller == ITEFILT_REPEATER &&
968 kbd_ite->key_repeat) {
969 tout_pending = 1;
970 last_char = c;
971 callout_reset(&repeat_ch,
972 next_repeat_timeo * hz / 100, repeat_handler, NULL);
973 }
974 /* handle dead keys */
975 if (key.mode & KBD_MODE_DEAD) {
976 /* if entered twice, send accent itself */
977 if (last_dead == (key.mode & KBD_MODE_ACCMASK))
978 last_dead = 0;
979 else {
980 last_dead = key.mode & KBD_MODE_ACCMASK;
981 splx(s);
982 return;
983 }
984 }
985 if (last_dead) {
986 /* can't apply dead flag to string-keys */
987 if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
988 code < 0x7f)
989 code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
990 last_dead = 0;
991 }
992 /* if not string, apply META and CTRL modifiers */
993 if (!(key.mode & KBD_MODE_STRING)
994 && (!(key.mode & KBD_MODE_KPAD) ||
995 (kbd_ite && !kbd_ite->keypad_appmode))) {
996 if (key_mod & KBD_MOD_CTRL)
997 code &= 0x1f;
998 if (key_mod & KBD_MOD_META)
999 code |= 0x80;
1000 } else if ((key.mode & KBD_MODE_KPAD) &&
1001 (kbd_ite && kbd_ite->keypad_appmode)) {
1002 static char in[] = {
1003 0x0f /* 0 */, 0x1d /* 1 */, 0x1e /* 2 */, 0x1f /* 3 */,
1004 0x2d /* 4 */, 0x2e /* 5 */, 0x2f /* 6 */, 0x3d /* 7 */,
1005 0x3e /* 8 */, 0x3f /* 9 */, 0x4a /* - */, 0x5e /* + */,
1006 0x3c /* . */, 0x43 /* e */, 0x5a /* ( */, 0x5b /* ) */,
1007 0x5c /* / */, 0x5d /* * */
1008 };
1009 static const char *out = "pqrstuvwxymlnMPQRS";
1010 char *cp = strchr(in, c);
1011
1012 /*
1013 * keypad-appmode sends SS3 followed by the above
1014 * translated character
1015 */
1016 kbd_tty->t_linesw->l_rint(27, kbd_tty);
1017 kbd_tty->t_linesw->l_rint('O', kbd_tty);
1018 kbd_tty->t_linesw->l_rint(out[cp - in], kbd_tty);
1019 splx(s);
1020 return;
1021 } else {
1022 /* *NO* I don't like this.... */
1023 static u_char app_cursor[] =
1024 {
1025 3, 27, 'O', 'A',
1026 3, 27, 'O', 'B',
1027 3, 27, 'O', 'C',
1028 3, 27, 'O', 'D'};
1029
1030 str = kbdmap.strings + code;
1031 /*
1032 * if this is a cursor key, AND it has the default
1033 * keymap setting, AND we're in app-cursor mode, switch
1034 * to the above table. This is *nasty* !
1035 */
1036 if (c >= 0x4c && c <= 0x4f && kbd_ite->cursor_appmode
1037 && !bcmp(str, "\x03\x1b[", 3) &&
1038 strchr("ABCD", str[3]))
1039 str = app_cursor + 4 * (str[3] - 'A');
1040
1041 /*
1042 * using a length-byte instead of 0-termination allows
1043 * to embed \0 into strings, although this is not used
1044 * in the default keymap
1045 */
1046 for (i = *str++; i; i--)
1047 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1048 splx(s);
1049 return;
1050 }
1051 kbd_tty->t_linesw->l_rint(code, kbd_tty);
1052
1053 splx(s);
1054 return;
1055 }
1056
1057 /* helper functions, makes the code below more readable */
1058 inline static void
1059 ite_sendstr(const char *str)
1060 {
1061 struct tty *kbd_tty;
1062
1063 kbd_tty = kbd_ite->tp;
1064 KDASSERT(kbd_tty);
1065 while (*str)
1066 kbd_tty->t_linesw->l_rint(*str++, kbd_tty);
1067 }
1068
1069 static void
1070 alignment_display(struct ite_softc *ip)
1071 {
1072 int i, j;
1073
1074 for (j = 0; j < ip->rows; j++)
1075 for (i = 0; i < ip->cols; i++)
1076 SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
1077 attrclr(ip, 0, 0, ip->rows, ip->cols);
1078 SUBR_CURSOR(ip, DRAW_CURSOR);
1079 }
1080
1081 inline static void
1082 snap_cury(struct ite_softc *ip)
1083 {
1084 if (ip->inside_margins)
1085 {
1086 if (ip->cury < ip->top_margin)
1087 ip->cury = ip->top_margin;
1088 if (ip->cury > ip->bottom_margin)
1089 ip->cury = ip->bottom_margin;
1090 }
1091 }
1092
1093 inline static void
1094 ite_dnchar(struct ite_softc *ip, int n)
1095 {
1096 n = min(n, ip->cols - ip->curx);
1097 if (n < ip->cols - ip->curx)
1098 {
1099 SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
1100 attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1101 1, ip->cols - ip->curx - n);
1102 attrclr(ip, ip->cury, ip->cols - n, 1, n);
1103 }
1104 while (n-- > 0)
1105 SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
1106 SUBR_CURSOR(ip, DRAW_CURSOR);
1107 }
1108
1109 inline static void
1110 ite_inchar(struct ite_softc *ip, int n)
1111 {
1112 n = min(n, ip->cols - ip->curx);
1113 if (n < ip->cols - ip->curx)
1114 {
1115 SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
1116 attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1117 1, ip->cols - ip->curx - n);
1118 attrclr(ip, ip->cury, ip->curx, 1, n);
1119 }
1120 while (n--)
1121 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1122 SUBR_CURSOR(ip, DRAW_CURSOR);
1123 }
1124
1125 inline static void
1126 ite_clrtoeol(struct ite_softc *ip)
1127 {
1128 int y = ip->cury, x = ip->curx;
1129 if (ip->cols - x > 0)
1130 {
1131 SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
1132 attrclr(ip, y, x, 1, ip->cols - x);
1133 SUBR_CURSOR(ip, DRAW_CURSOR);
1134 }
1135 }
1136
1137 inline static void
1138 ite_clrtobol(struct ite_softc *ip)
1139 {
1140 int y = ip->cury, x = min(ip->curx + 1, ip->cols);
1141 SUBR_CLEAR(ip, y, 0, 1, x);
1142 attrclr(ip, y, 0, 1, x);
1143 SUBR_CURSOR(ip, DRAW_CURSOR);
1144 }
1145
1146 inline static void
1147 ite_clrline(struct ite_softc *ip)
1148 {
1149 int y = ip->cury;
1150 SUBR_CLEAR(ip, y, 0, 1, ip->cols);
1151 attrclr(ip, y, 0, 1, ip->cols);
1152 SUBR_CURSOR(ip, DRAW_CURSOR);
1153 }
1154
1155
1156
1157 inline static void
1158 ite_clrtoeos(struct ite_softc *ip)
1159 {
1160 ite_clrtoeol(ip);
1161 if (ip->cury < ip->rows - 1)
1162 {
1163 SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
1164 attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
1165 SUBR_CURSOR(ip, DRAW_CURSOR);
1166 }
1167 }
1168
1169 inline static void
1170 ite_clrtobos(struct ite_softc *ip)
1171 {
1172 ite_clrtobol(ip);
1173 if (ip->cury > 0)
1174 {
1175 SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
1176 attrclr(ip, 0, 0, ip->cury, ip->cols);
1177 SUBR_CURSOR(ip, DRAW_CURSOR);
1178 }
1179 }
1180
1181 inline static void
1182 ite_clrscreen(struct ite_softc *ip)
1183 {
1184 SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
1185 attrclr(ip, 0, 0, ip->rows, ip->cols);
1186 SUBR_CURSOR(ip, DRAW_CURSOR);
1187 }
1188
1189
1190
1191 inline static void
1192 ite_dnline(struct ite_softc *ip, int n)
1193 {
1194 /* interesting.. if the cursor is outside the scrolling
1195 region, this command is simply ignored.. */
1196 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1197 return;
1198
1199 n = min(n, ip->bottom_margin + 1 - ip->cury);
1200 if (n <= ip->bottom_margin - ip->cury)
1201 {
1202 SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
1203 attrmov(ip, ip->cury + n, 0, ip->cury, 0,
1204 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1205 }
1206 SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1207 attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
1208 SUBR_CURSOR(ip, DRAW_CURSOR);
1209 }
1210
1211 inline static void
1212 ite_inline(struct ite_softc *ip, int n)
1213 {
1214 /* interesting.. if the cursor is outside the scrolling
1215 region, this command is simply ignored.. */
1216 if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
1217 return;
1218
1219 n = min(n, ip->bottom_margin + 1 - ip->cury);
1220 if (n <= ip->bottom_margin - ip->cury)
1221 {
1222 SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
1223 attrmov(ip, ip->cury, 0, ip->cury + n, 0,
1224 ip->bottom_margin + 1 - ip->cury - n, ip->cols);
1225 }
1226 SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
1227 attrclr(ip, ip->cury, 0, n, ip->cols);
1228 SUBR_CURSOR(ip, DRAW_CURSOR);
1229 }
1230
1231 inline static void
1232 ite_lf(struct ite_softc *ip)
1233 {
1234 ++ip->cury;
1235 if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
1236 {
1237 ip->cury--;
1238 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1239 ite_clrline(ip);
1240 }
1241 SUBR_CURSOR(ip, MOVE_CURSOR);
1242 clr_attr(ip, ATTR_INV);
1243 }
1244
1245 inline static void
1246 ite_crlf(struct ite_softc *ip)
1247 {
1248 ip->curx = 0;
1249 ite_lf (ip);
1250 }
1251
1252 inline static void
1253 ite_cr(struct ite_softc *ip)
1254 {
1255 if (ip->curx)
1256 {
1257 ip->curx = 0;
1258 SUBR_CURSOR(ip, MOVE_CURSOR);
1259 }
1260 }
1261
1262 inline static void
1263 ite_rlf(struct ite_softc *ip)
1264 {
1265 ip->cury--;
1266 if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
1267 {
1268 ip->cury++;
1269 SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
1270 ite_clrline(ip);
1271 }
1272 SUBR_CURSOR(ip, MOVE_CURSOR);
1273 clr_attr(ip, ATTR_INV);
1274 }
1275
1276 inline static int
1277 atoi(const char *cp)
1278 {
1279 int n;
1280
1281 for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
1282 n = n * 10 + *cp - '0';
1283
1284 return n;
1285 }
1286
1287 inline static int
1288 ite_argnum(struct ite_softc *ip)
1289 {
1290 char ch;
1291 int n;
1292
1293 /* convert argument string into number */
1294 if (ip->ap == ip->argbuf)
1295 return 1;
1296 ch = *ip->ap;
1297 *ip->ap = 0;
1298 n = atoi (ip->argbuf);
1299 *ip->ap = ch;
1300
1301 return n;
1302 }
1303
1304 inline static int
1305 ite_zargnum(struct ite_softc *ip)
1306 {
1307 char ch;
1308 int n;
1309
1310 /* convert argument string into number */
1311 if (ip->ap == ip->argbuf)
1312 return 0;
1313 ch = *ip->ap;
1314 *ip->ap = 0;
1315 n = atoi (ip->argbuf);
1316 *ip->ap = ch;
1317
1318 return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
1319 }
1320
1321 void
1322 ite_putstr(const char *s, int len, dev_t dev)
1323 {
1324 struct ite_softc *ip;
1325 int i;
1326
1327 ip = getitesp(dev);
1328
1329 /* XXX avoid problems */
1330 if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
1331 return;
1332
1333 SUBR_CURSOR(ip, START_CURSOROPT);
1334 for (i = 0; i < len; i++)
1335 if (s[i])
1336 iteputchar(s[i], ip);
1337 SUBR_CURSOR(ip, END_CURSOROPT);
1338 }
1339
1340 static void
1341 iteprecheckwrap(struct ite_softc *ip)
1342 {
1343 if (ip->auto_wrap && ip->curx == ip->cols) {
1344 ip->curx = 0;
1345 clr_attr(ip, ATTR_INV);
1346 if (++ip->cury >= ip->bottom_margin + 1) {
1347 ip->cury = ip->bottom_margin;
1348 SUBR_CURSOR(ip, MOVE_CURSOR);
1349 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1350 ite_clrtoeol(ip);
1351 } else
1352 SUBR_CURSOR(ip, MOVE_CURSOR);
1353 }
1354 }
1355
1356 static void
1357 itecheckwrap(struct ite_softc *ip)
1358 {
1359 #if 0
1360 if (++ip->curx == ip->cols) {
1361 if (ip->auto_wrap) {
1362 ip->curx = 0;
1363 clr_attr(ip, ATTR_INV);
1364 if (++ip->cury >= ip->bottom_margin + 1) {
1365 ip->cury = ip->bottom_margin;
1366 SUBR_CURSOR(ip, MOVE_CURSOR);
1367 SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
1368 ite_clrtoeol(ip);
1369 return;
1370 }
1371 } else
1372 /* stay there if no autowrap.. */
1373 ip->curx--;
1374 }
1375 #else
1376 if (ip->curx < ip->cols) {
1377 ip->curx++;
1378 SUBR_CURSOR(ip, MOVE_CURSOR);
1379 }
1380 #endif
1381 }
1382
1383 void
1384 iteputchar(register int c, struct ite_softc *ip)
1385 {
1386 struct tty *kbd_tty;
1387 int n, x, y;
1388 char *cp;
1389
1390 if (kbd_ite == NULL)
1391 kbd_tty = NULL;
1392 else
1393 kbd_tty = kbd_ite->tp;
1394
1395 if (ip->escape) {
1396 switch (ip->escape) {
1397 case ESC:
1398 switch (c) {
1399 /*
1400 * first 7bit equivalents for the
1401 * 8bit control characters
1402 */
1403 case 'D':
1404 c = IND;
1405 ip->escape = 0;
1406 break;
1407 /*
1408 * and fall into the next
1409 * switch below (same for all `break')
1410 */
1411 case 'E':
1412 c = NEL;
1413 ip->escape = 0;
1414 break;
1415 case 'H':
1416 c = HTS;
1417 ip->escape = 0;
1418 break;
1419 case 'M':
1420 c = RI;
1421 ip->escape = 0;
1422 break;
1423 case 'N':
1424 c = SS2;
1425 ip->escape = 0;
1426 break;
1427 case 'O':
1428 c = SS3;
1429 ip->escape = 0;
1430 break;
1431 case 'P':
1432 c = DCS;
1433 ip->escape = 0;
1434 break;
1435 case '[':
1436 c = CSI;
1437 ip->escape = 0;
1438 break;
1439 case '\\':
1440 c = ST;
1441 ip->escape = 0;
1442 break;
1443 case ']':
1444 c = OSC;
1445 ip->escape = 0;
1446 break;
1447 case '^':
1448 c = PM;
1449 ip->escape = 0;
1450 break;
1451 case '_':
1452 c = APC;
1453 ip->escape = 0;
1454 break;
1455 /* introduces 7/8bit control */
1456 case ' ':
1457 /* can be followed by either F or G */
1458 ip->escape = ' ';
1459 break;
1460 /*
1461 * a lot of character set selections, not yet
1462 * used... 94-character sets:
1463 */
1464 case '(': /* G0 */
1465 case ')': /* G1 */
1466 ip->escape = c;
1467 return;
1468 case '*': /* G2 */
1469 case '+': /* G3 */
1470 case 'B': /* ASCII */
1471 case 'A': /* ISO latin 1 */
1472 case '<': /* user preferred suplemental */
1473 case '0': /* dec special graphics */
1474 /*
1475 * 96-character sets:
1476 */
1477 case '-': /* G1 */
1478 case '.': /* G2 */
1479 case '/': /* G3 */
1480 /*
1481 * national character sets:
1482 */
1483 case '4': /* dutch */
1484 case '5':
1485 case 'C': /* finnish */
1486 case 'R': /* french */
1487 case 'Q': /* french canadian */
1488 case 'K': /* german */
1489 case 'Y': /* italian */
1490 case '6': /* norwegian/danish */
1491 /*
1492 * note: %5 and %6 are not supported (two
1493 * chars..)
1494 */
1495 ip->escape = 0;
1496 /* just ignore for now */
1497 return;
1498 /*
1499 * locking shift modes (as you might guess, not
1500 * yet supported..)
1501 */
1502 case '`':
1503 ip->GR = ip->G1;
1504 ip->escape = 0;
1505 return;
1506 case 'n':
1507 ip->GL = ip->G2;
1508 ip->escape = 0;
1509 return;
1510 case '}':
1511 ip->GR = ip->G2;
1512 ip->escape = 0;
1513 return;
1514 case 'o':
1515 ip->GL = ip->G3;
1516 ip->escape = 0;
1517 return;
1518 case '|':
1519 ip->GR = ip->G3;
1520 ip->escape = 0;
1521 return;
1522 case '#':
1523 /* font width/height control */
1524 ip->escape = '#';
1525 return;
1526 case 'c':
1527 /* hard terminal reset .. */
1528 ite_reset(ip);
1529 SUBR_CURSOR(ip, MOVE_CURSOR);
1530 ip->escape = 0;
1531 return;
1532 case '7':
1533 ip->save_curx = ip->curx;
1534 ip->save_cury = ip->cury;
1535 ip->save_attribute = ip->attribute;
1536 ip->escape = 0;
1537 return;
1538 case '8':
1539 ip->curx = ip->save_curx;
1540 ip->cury = ip->save_cury;
1541 ip->attribute = ip->save_attribute;
1542 SUBR_CURSOR(ip, MOVE_CURSOR);
1543 ip->escape = 0;
1544 return;
1545 case '=':
1546 ip->keypad_appmode = 1;
1547 ip->escape = 0;
1548 return;
1549 case '>':
1550 ip->keypad_appmode = 0;
1551 ip->escape = 0;
1552 return;
1553 case 'Z': /* request ID */
1554 /* XXX not clean */
1555 if (ip->emul_level == EMUL_VT100)
1556 ite_sendstr("\033[?61;0c");
1557 else
1558 ite_sendstr("\033[?63;0c");
1559 ip->escape = 0;
1560 return;
1561 default:
1562 /*
1563 * default catch all for not recognized ESC
1564 * sequences
1565 */
1566 ip->escape = 0;
1567 return;
1568 }
1569 break;
1570 case '(':
1571 case ')':
1572 ip->escape = 0;
1573 return;
1574 case ' ':
1575 switch (c) {
1576 case 'F':
1577 ip->eightbit_C1 = 0;
1578 ip->escape = 0;
1579 return;
1580 case 'G':
1581 ip->eightbit_C1 = 1;
1582 ip->escape = 0;
1583 return;
1584 default:
1585 /* not supported */
1586 ip->escape = 0;
1587 return;
1588 }
1589 break;
1590 case '#':
1591 switch (c) {
1592 case '5':
1593 /* single height, single width */
1594 ip->escape = 0;
1595 return;
1596 case '6':
1597 /* double width, single height */
1598 ip->escape = 0;
1599 return;
1600 case '3':
1601 /* top half */
1602 ip->escape = 0;
1603 return;
1604 case '4':
1605 /* bottom half */
1606 ip->escape = 0;
1607 return;
1608 case '8':
1609 /* screen alignment pattern... */
1610 alignment_display(ip);
1611 ip->escape = 0;
1612 return;
1613 default:
1614 ip->escape = 0;
1615 return;
1616 }
1617 break;
1618 case CSI:
1619 /* the biggie... */
1620 switch (c) {
1621 case '0':
1622 case '1':
1623 case '2':
1624 case '3':
1625 case '4':
1626 case '5':
1627 case '6':
1628 case '7':
1629 case '8':
1630 case '9':
1631 case ';':
1632 case '\"':
1633 case '$':
1634 case '>':
1635 if (ip->ap < ip->argbuf + MAX_ARGSIZE)
1636 *ip->ap++ = c;
1637 return;
1638 case BS:
1639 /*
1640 * you wouldn't believe such perversion is
1641 * possible? it is.. BS is allowed in between
1642 * cursor sequences (at least), according to
1643 * vttest..
1644 */
1645 if (--ip->curx < 0)
1646 ip->curx = 0;
1647 else
1648 SUBR_CURSOR(ip, MOVE_CURSOR);
1649 break;
1650 case 'p':
1651 *ip->ap = 0;
1652 if (!strncmp(ip->argbuf, "61\"", 3))
1653 ip->emul_level = EMUL_VT100;
1654 else if (!strncmp(ip->argbuf, "63;1\"", 5)
1655 || !strncmp(ip->argbuf, "62;1\"", 5))
1656 ip->emul_level = EMUL_VT300_7;
1657 else
1658 ip->emul_level = EMUL_VT300_8;
1659 ip->escape = 0;
1660 return;
1661 case '?':
1662 *ip->ap = 0;
1663 ip->escape = '?';
1664 ip->ap = ip->argbuf;
1665 return;
1666 case 'c':
1667 *ip->ap = 0;
1668 if (ip->argbuf[0] == '>') {
1669 ite_sendstr("\033[>24;0;0;0c");
1670 } else
1671 switch (ite_zargnum(ip)) {
1672 case 0:
1673 /*
1674 * primary DA request, send
1675 * primary DA response
1676 */
1677 if (ip->emul_level
1678 == EMUL_VT100)
1679 ite_sendstr(
1680 "\033[?1;1c");
1681 else
1682 ite_sendstr(
1683 "\033[?63;1c");
1684 break;
1685 }
1686 ip->escape = 0;
1687 return;
1688 case 'n':
1689 switch (ite_zargnum(ip)) {
1690 case 5:
1691 /* no malfunction */
1692 ite_sendstr("\033[0n");
1693 break;
1694 case 6:
1695 /* cursor position report */
1696 sprintf(ip->argbuf, "\033[%d;%dR",
1697 ip->cury + 1, ip->curx + 1);
1698 ite_sendstr(ip->argbuf);
1699 break;
1700 }
1701 ip->escape = 0;
1702 return;
1703 case 'x':
1704 switch (ite_zargnum(ip)) {
1705 case 0:
1706 /* Fake some terminal parameters. */
1707 ite_sendstr("\033[2;1;1;112;112;1;0x");
1708 break;
1709 case 1:
1710 ite_sendstr("\033[3;1;1;112;112;1;0x");
1711 break;
1712 }
1713 ip->escape = 0;
1714 return;
1715 case 'g':
1716 switch (ite_zargnum(ip)) {
1717 case 0:
1718 if (ip->curx < ip->cols)
1719 ip->tabs[ip->curx] = 0;
1720 break;
1721 case 3:
1722 for (n = 0; n < ip->cols; n++)
1723 ip->tabs[n] = 0;
1724 break;
1725 }
1726 ip->escape = 0;
1727 return;
1728 case 'h':
1729 case 'l':
1730 n = ite_zargnum(ip);
1731 switch (n) {
1732 case 4:
1733 /* insert/replace mode */
1734 ip->imode = (c == 'h');
1735 break;
1736 case 20:
1737 ip->linefeed_newline = (c == 'h');
1738 break;
1739 }
1740 ip->escape = 0;
1741 return;
1742 case 'M':
1743 ite_dnline(ip, ite_argnum(ip));
1744 ip->escape = 0;
1745 return;
1746 case 'L':
1747 ite_inline(ip, ite_argnum(ip));
1748 ip->escape = 0;
1749 return;
1750 case 'P':
1751 ite_dnchar(ip, ite_argnum(ip));
1752 ip->escape = 0;
1753 return;
1754 case '@':
1755 ite_inchar(ip, ite_argnum(ip));
1756 ip->escape = 0;
1757 return;
1758 case 'G':
1759 /*
1760 * this one was *not* in my vt320 manual but in
1761 * a vt320 termcap entry.. who is right? It's
1762 * supposed to set the horizontal cursor
1763 * position.
1764 */
1765 *ip->ap = 0;
1766 x = atoi(ip->argbuf);
1767 if (x)
1768 x--;
1769 ip->curx = min(x, ip->cols - 1);
1770 ip->escape = 0;
1771 SUBR_CURSOR(ip, MOVE_CURSOR);
1772 clr_attr(ip, ATTR_INV);
1773 return;
1774 case 'd':
1775 /*
1776 * same thing here, this one's for setting the
1777 * absolute vertical cursor position. Not
1778 * documented...
1779 */
1780 *ip->ap = 0;
1781 y = atoi(ip->argbuf);
1782 if (y)
1783 y--;
1784 if (ip->inside_margins)
1785 y += ip->top_margin;
1786 ip->cury = min(y, ip->rows - 1);
1787 ip->escape = 0;
1788 snap_cury(ip);
1789 SUBR_CURSOR(ip, MOVE_CURSOR);
1790 clr_attr(ip, ATTR_INV);
1791 return;
1792 case 'H':
1793 case 'f':
1794 *ip->ap = 0;
1795 y = atoi(ip->argbuf);
1796 x = 0;
1797 cp = strchr(ip->argbuf, ';');
1798 if (cp)
1799 x = atoi(cp + 1);
1800 if (x)
1801 x--;
1802 if (y)
1803 y--;
1804 if (ip->inside_margins)
1805 y += ip->top_margin;
1806 ip->cury = min(y, ip->rows - 1);
1807 ip->curx = min(x, ip->cols - 1);
1808 ip->escape = 0;
1809 snap_cury(ip);
1810 SUBR_CURSOR(ip, MOVE_CURSOR);
1811 clr_attr(ip, ATTR_INV);
1812 return;
1813 case 'A':
1814 n = ite_argnum(ip);
1815 n = ip->cury - (n ? n : 1);
1816 if (n < 0)
1817 n = 0;
1818 if (ip->inside_margins)
1819 n = max(ip->top_margin, n);
1820 else if (n == ip->top_margin - 1)
1821 /*
1822 * allow scrolling outside region, but
1823 * don't scroll out of active region
1824 * without explicit CUP
1825 */
1826 n = ip->top_margin;
1827 ip->cury = n;
1828 ip->escape = 0;
1829 SUBR_CURSOR(ip, MOVE_CURSOR);
1830 clr_attr(ip, ATTR_INV);
1831 return;
1832 case 'B':
1833 n = ite_argnum(ip);
1834 n = ip->cury + (n ? n : 1);
1835 n = min(ip->rows - 1, n);
1836 if (ip->inside_margins)
1837 n = min(ip->bottom_margin, n);
1838 else if (n == ip->bottom_margin + 1)
1839 /*
1840 * allow scrolling outside region, but
1841 * don't scroll out of active region
1842 * without explicit CUP
1843 */
1844 n = ip->bottom_margin;
1845 ip->cury = n;
1846 ip->escape = 0;
1847 SUBR_CURSOR(ip, MOVE_CURSOR);
1848 clr_attr(ip, ATTR_INV);
1849 return;
1850 case 'C':
1851 n = ite_argnum(ip);
1852 n = n ? n : 1;
1853 ip->curx = min(ip->curx + n, ip->cols - 1);
1854 ip->escape = 0;
1855 SUBR_CURSOR(ip, MOVE_CURSOR);
1856 clr_attr(ip, ATTR_INV);
1857 return;
1858 case 'D':
1859 n = ite_argnum(ip);
1860 n = n ? n : 1;
1861 n = ip->curx - n;
1862 ip->curx = n >= 0 ? n : 0;
1863 ip->escape = 0;
1864 SUBR_CURSOR(ip, MOVE_CURSOR);
1865 clr_attr(ip, ATTR_INV);
1866 return;
1867 case 'J':
1868 *ip->ap = 0;
1869 n = ite_zargnum(ip);
1870 if (n == 0)
1871 ite_clrtoeos(ip);
1872 else if (n == 1)
1873 ite_clrtobos(ip);
1874 else if (n == 2)
1875 ite_clrscreen(ip);
1876 ip->escape = 0;
1877 return;
1878 case 'K':
1879 n = ite_zargnum(ip);
1880 if (n == 0)
1881 ite_clrtoeol(ip);
1882 else if (n == 1)
1883 ite_clrtobol(ip);
1884 else if (n == 2)
1885 ite_clrline(ip);
1886 ip->escape = 0;
1887 return;
1888 case 'X':
1889 n = ite_argnum(ip) - 1;
1890 n = min(n, ip->cols - 1 - ip->curx);
1891 for (; n >= 0; n--) {
1892 attrclr(ip, ip->cury, ip->curx + n, 1, 1);
1893 SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
1894 }
1895 ip->escape = 0;
1896 return;
1897 case '}':
1898 case '`':
1899 /* status line control */
1900 ip->escape = 0;
1901 return;
1902 case 'r':
1903 *ip->ap = 0;
1904 x = atoi(ip->argbuf);
1905 x = x ? x : 1;
1906 y = ip->rows;
1907 cp = strchr(ip->argbuf, ';');
1908 if (cp) {
1909 y = atoi(cp + 1);
1910 y = y ? y : ip->rows;
1911 }
1912 if (y - x < 2) {
1913 /*
1914 * if illegal scrolling region, reset
1915 * to defaults
1916 */
1917 x = 1;
1918 y = ip->rows;
1919 }
1920 x--;
1921 y--;
1922 ip->top_margin = min(x, ip->rows - 1);
1923 ip->bottom_margin = min(y, ip->rows - 1);
1924 if (ip->inside_margins) {
1925 ip->cury = ip->top_margin;
1926 ip->curx = 0;
1927 SUBR_CURSOR(ip, MOVE_CURSOR);
1928 }
1929 ip->escape = 0;
1930 return;
1931 case 'm':
1932 /* big attribute setter/resetter */
1933 { char *_cp;
1934 *ip->ap = 0;
1935 /* kludge to make CSIm work (== CSI0m) */
1936 if (ip->ap == ip->argbuf)
1937 ip->ap++;
1938 for (_cp = ip->argbuf; _cp < ip->ap;) {
1939 switch (*_cp) {
1940 case 0:
1941 case '0':
1942 clr_attr(ip, ATTR_ALL);
1943 _cp++;
1944 break;
1945
1946 case '1':
1947 set_attr(ip, ATTR_BOLD);
1948 _cp++;
1949 break;
1950
1951 case '2':
1952 switch (_cp[1]) {
1953 case '2':
1954 clr_attr(ip, ATTR_BOLD);
1955 _cp += 2;
1956 break;
1957
1958 case '4':
1959 clr_attr(ip, ATTR_UL);
1960 _cp += 2;
1961 break;
1962
1963 case '5':
1964 clr_attr(ip, ATTR_BLINK);
1965 _cp += 2;
1966 break;
1967
1968 case '7':
1969 clr_attr(ip, ATTR_INV);
1970 _cp += 2;
1971 break;
1972
1973 default:
1974 _cp++;
1975 break;
1976 }
1977 break;
1978
1979 case '4':
1980 set_attr(ip, ATTR_UL);
1981 _cp++;
1982 break;
1983
1984 case '5':
1985 set_attr(ip, ATTR_BLINK);
1986 _cp++;
1987 break;
1988
1989 case '7':
1990 set_attr(ip, ATTR_INV);
1991 _cp++;
1992 break;
1993
1994 default:
1995 _cp++;
1996 break;
1997 }
1998 }
1999 ip->escape = 0;
2000 return; }
2001 case 'u':
2002 /* DECRQTSR */
2003 ite_sendstr("\033P\033\\");
2004 ip->escape = 0;
2005 return;
2006 default:
2007 ip->escape = 0;
2008 return;
2009 }
2010 break;
2011 case '?': /* CSI ? */
2012 switch (c) {
2013 case '0':
2014 case '1':
2015 case '2':
2016 case '3':
2017 case '4':
2018 case '5':
2019 case '6':
2020 case '7':
2021 case '8':
2022 case '9':
2023 case ';':
2024 case '\"':
2025 case '$':
2026 /*
2027 * Don't fill the last character;
2028 * it's needed.
2029 * XXX yeah, where ??
2030 */
2031 if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
2032 *ip->ap++ = c;
2033 return;
2034 case 'n':
2035 *ip->ap = 0;
2036 if (ip->ap == &ip->argbuf[2]) {
2037 if (!strncmp(ip->argbuf, "15", 2))
2038 /* printer status: no printer */
2039 ite_sendstr("\033[13n");
2040
2041 else if (!strncmp(ip->argbuf, "25", 2))
2042 /* udk status */
2043 ite_sendstr("\033[20n");
2044
2045 else if (!strncmp(ip->argbuf, "26", 2))
2046 /* keyboard dialect: US */
2047 ite_sendstr("\033[27;1n");
2048 }
2049 ip->escape = 0;
2050 return;
2051 case 'h':
2052 case 'l':
2053 n = ite_zargnum(ip);
2054 switch (n) {
2055 case 1:
2056 ip->cursor_appmode = (c == 'h');
2057 break;
2058 case 3:
2059 /* 132/80 columns (132 == 'h') */
2060 break;
2061 case 4: /* smooth scroll */
2062 break;
2063 case 5:
2064 /*
2065 * light background (=='h') /dark
2066 * background(=='l')
2067 */
2068 break;
2069 case 6: /* origin mode */
2070 ip->inside_margins = (c == 'h');
2071 ip->curx = 0;
2072 ip->cury = ip->inside_margins ?
2073 ip->top_margin : 0;
2074 SUBR_CURSOR(ip, MOVE_CURSOR);
2075 break;
2076 case 7: /* auto wraparound */
2077 ip->auto_wrap = (c == 'h');
2078 break;
2079 case 8: /* keyboard repeat */
2080 ip->key_repeat = (c == 'h');
2081 break;
2082 case 20: /* newline mode */
2083 ip->linefeed_newline = (c == 'h');
2084 break;
2085 case 25: /* cursor on/off */
2086 SUBR_CURSOR(ip, (c == 'h') ?
2087 DRAW_CURSOR : ERASE_CURSOR);
2088 break;
2089 }
2090 ip->escape = 0;
2091 return;
2092 default:
2093 ip->escape = 0;
2094 return;
2095 }
2096 break;
2097 default:
2098 ip->escape = 0;
2099 return;
2100 }
2101 }
2102 switch (c) {
2103 case VT: /* VT is treated like LF */
2104 case FF: /* so is FF */
2105 case LF:
2106 /*
2107 * cr->crlf distinction is done here, on output, not on input!
2108 */
2109 if (ip->linefeed_newline)
2110 ite_crlf(ip);
2111 else
2112 ite_lf(ip);
2113 break;
2114 case CR:
2115 ite_cr(ip);
2116 break;
2117 case BS:
2118 if (--ip->curx < 0)
2119 ip->curx = 0;
2120 else
2121 SUBR_CURSOR(ip, MOVE_CURSOR);
2122 break;
2123 case HT:
2124 for (n = ip->curx + 1; n < ip->cols; n++) {
2125 if (ip->tabs[n]) {
2126 ip->curx = n;
2127 SUBR_CURSOR(ip, MOVE_CURSOR);
2128 break;
2129 }
2130 }
2131 break;
2132 case BEL:
2133 if (kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty
2134 #ifdef DRACO
2135 && !is_draco()
2136 #endif
2137 )
2138 ite_bell();
2139 break;
2140 case SO:
2141 ip->GL = ip->G1;
2142 break;
2143 case SI:
2144 ip->GL = ip->G0;
2145 break;
2146 case ENQ:
2147 /* send answer-back message !! */
2148 break;
2149 case CAN:
2150 ip->escape = 0; /* cancel any escape sequence in progress */
2151 break;
2152 case SUB:
2153 ip->escape = 0; /* dito, but see below */
2154 /* should also display a reverse question mark!! */
2155 break;
2156 case ESC:
2157 ip->escape = ESC;
2158 break;
2159 /*
2160 * now it gets weird.. 8bit control sequences..
2161 */
2162 case IND:
2163 /* index: move cursor down, scroll */
2164 ite_lf(ip);
2165 break;
2166 case NEL:
2167 /* next line. next line, first pos. */
2168 ite_crlf(ip);
2169 break;
2170 case HTS:
2171 /* set horizontal tab */
2172 if (ip->curx < ip->cols)
2173 ip->tabs[ip->curx] = 1;
2174 break;
2175 case RI:
2176 /* reverse index */
2177 ite_rlf(ip);
2178 break;
2179 case SS2:
2180 /* go into G2 for one character */
2181 /* not yet supported */
2182 break;
2183 case SS3:
2184 /* go into G3 for one character */
2185 break;
2186 case DCS:
2187 /* device control string introducer */
2188 ip->escape = DCS;
2189 ip->ap = ip->argbuf;
2190 break;
2191 case CSI:
2192 /* control sequence introducer */
2193 ip->escape = CSI;
2194 ip->ap = ip->argbuf;
2195 break;
2196 case ST:
2197 /* string terminator */
2198 /* ignore, if not used as terminator */
2199 break;
2200 case OSC:
2201 /*
2202 * introduces OS command. Ignore everything
2203 * upto ST
2204 */
2205 ip->escape = OSC;
2206 break;
2207 case PM:
2208 /* privacy message, ignore everything upto ST */
2209 ip->escape = PM;
2210 break;
2211 case APC:
2212 /*
2213 * application program command, ignore * everything upto ST
2214 */
2215 ip->escape = APC;
2216 break;
2217 default:
2218 if ((c & 0x7f) < ' ' || c == DEL)
2219 break;
2220 if (ip->imode)
2221 ite_inchar(ip, 1);
2222 iteprecheckwrap(ip);
2223 #ifdef DO_WEIRD_ATTRIBUTES
2224 if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
2225 attrset(ip, ATTR_INV);
2226 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
2227 } else
2228 SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
2229 #else
2230 SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
2231 #endif
2232 SUBR_CURSOR(ip, DRAW_CURSOR);
2233 itecheckwrap(ip);
2234 break;
2235 }
2236 }
2237
2238