ucbtp.c revision 1.12 1 /* $NetBSD: ucbtp.c,v 1.12 2003/07/15 02:29:31 lukem Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end
41 * Touch panel part.
42 */
43
44 #include <sys/cdefs.h>
45 __KERNEL_RCSID(0, "$NetBSD: ucbtp.c,v 1.12 2003/07/15 02:29:31 lukem Exp $");
46
47 #include "opt_use_poll.h"
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/device.h>
52
53 #include <machine/bus.h>
54 #include <machine/intr.h>
55 #include <machine/bootinfo.h> /* bootinfo */
56
57 #include <dev/wscons/wsconsio.h>
58 #include <dev/wscons/wsmousevar.h>
59
60 #include <dev/hpc/tpcalibvar.h>
61
62 #include <hpcmips/tx/tx39var.h>
63 #include <hpcmips/tx/tx39sibvar.h>
64 #include <hpcmips/tx/tx39sibreg.h>
65 #include <hpcmips/tx/tx39icureg.h>
66
67 #include <hpcmips/dev/ucb1200var.h>
68 #include <hpcmips/dev/ucb1200reg.h>
69
70 #include <hpcmips/tx/txsnd.h>
71 #include <dev/hpc/video_subr.h> /* debug */
72
73 #ifdef UCBTPDEBUG
74 int ucbtp_debug = 0;
75 #define DPRINTF(arg) if (ucbtp_debug) printf arg;
76 #define DPRINTFN(n, arg) if (ucbtp_debug > (n)) printf arg;
77 #else
78 #define DPRINTF(arg)
79 #define DPRINTFN(n, arg)
80 #endif
81
82 enum ucbts_stat {
83 UCBTS_STAT_DISABLE,
84 UCBTS_STAT_RELEASE,
85 UCBTS_STAT_TOUCH,
86 UCBTS_STAT_DRAG,
87 };
88
89 #define UCBTS_POSX 1
90 #define UCBTS_POSY 2
91 #define UCBTS_PRESS 3
92
93 #define UCBTS_PRESS_THRESHOLD 80
94 #define UCBTS_TAP_THRESHOLD 5
95
96 enum ucbadc_state {
97 /* 0 */ UCBADC_IDLE,
98 /* 1 */ UCBADC_ADC_INIT,
99 /* 2 */ UCBADC_ADC_FINI,
100 /* 3 */ UCBADC_MEASUMENT_INIT,
101 /* 4 */ UCBADC_MEASUMENT_FINI,
102 /* 5 */ UCBADC_ADC_ENABLE,
103 /* 6 */ UCBADC_ADC_START0,
104 /* 7 */ UCBADC_ADC_START1,
105 /* 8 */ UCBADC_ADC_DATAREAD,
106 /* 9 */ UCBADC_ADC_DATAREAD_WAIT,
107 /*10 */ UCBADC_ADC_DISABLE,
108 /*11 */ UCBADC_ADC_INTRMODE,
109 /*12 */ UCBADC_ADC_INPUT,
110 /*13 */ UCBADC_INTR_ACK0,
111 /*14 */ UCBADC_INTR_ACK1,
112 /*15 */ UCBADC_INTR_ACK2,
113 /*16 */ UCBADC_REGREAD,
114 /*17 */ UCBADC_REGWRITE
115 };
116
117 struct ucbtp_softc {
118 struct device sc_dev;
119 struct device *sc_sib; /* parent (TX39 SIB module) */
120 struct device *sc_ucb; /* parent (UCB1200 module) */
121 tx_chipset_tag_t sc_tc;
122
123 enum ucbts_stat sc_stat;
124 int sc_polling;
125 int sc_polling_finish;
126 void *sc_pollh;
127
128 struct tpcalib_softc sc_tpcalib;
129 int sc_calibrated;
130
131 /* measurement value */
132 int sc_x, sc_y, sc_p;
133 int sc_ox, sc_oy;
134 int sc_xy_reverse; /* some platform pin connect interchanged */
135
136 /*
137 * touch panel state machine
138 */
139 void *sm_ih; /* TX39 SIB subframe 0 interrupt handler */
140
141 int sm_addr; /* UCB1200 register address */
142 u_int32_t sm_reg; /* UCB1200 register data & TX39 SIB header */
143 int sm_tmpreg;
144 #define UCBADC_RETRY_DEFAULT 200
145 int sm_retry; /* retry counter */
146
147 enum ucbadc_state sm_state;
148 int sm_measurement; /* X, Y, Pressure */
149 #define UCBADC_MEASUREMENT_X 0
150 #define UCBADC_MEASUREMENT_Y 1
151 #define UCBADC_MEASUREMENT_PRESSURE 2
152 int sm_returnstate;
153
154 int sm_read_state, sm_write_state;
155 int sm_writing; /* writing state flag */
156 u_int32_t sm_write_val; /* temporary buffer */
157
158 int sm_rw_retry; /* retry counter for r/w */
159
160 /* wsmouse */
161 struct device *sc_wsmousedev;
162 };
163
164 int ucbtp_match(struct device *, struct cfdata *, void *);
165 void ucbtp_attach(struct device *, struct device *, void *);
166
167 int ucbtp_sibintr(void *);
168 int ucbtp_poll(void *);
169 int ucbtp_adc_async(void *);
170 int ucbtp_input(struct ucbtp_softc *);
171 int ucbtp_busy(void *);
172
173 int ucbtp_enable(void *);
174 int ucbtp_ioctl(void *, u_long, caddr_t, int, struct proc *);
175 void ucbtp_disable(void *);
176
177 CFATTACH_DECL(ucbtp, sizeof(struct ucbtp_softc),
178 ucbtp_match, ucbtp_attach, NULL, NULL);
179
180 const struct wsmouse_accessops ucbtp_accessops = {
181 ucbtp_enable,
182 ucbtp_ioctl,
183 ucbtp_disable,
184 };
185
186 /*
187 * XXX currently no calibration method. this is temporary hack.
188 */
189 #include <machine/platid.h>
190
191 struct wsmouse_calibcoords *calibration_sample_lookup(void);
192 int ucbtp_calibration(struct ucbtp_softc *);
193
194 struct calibration_sample_table {
195 platid_t cst_platform;
196 struct wsmouse_calibcoords cst_sample;
197 } calibration_sample_table[] = {
198 {{{PLATID_WILD, PLATID_MACH_COMPAQ_C_8XX}}, /* uch machine */
199 { 0, 0, 639, 239, 5,
200 {{ 507, 510, 320, 120 },
201 { 898, 757, 40, 40 },
202 { 900, 255, 40, 200 },
203 { 109, 249, 600, 200 },
204 { 110, 753, 600, 40 }}}},
205
206 {{{PLATID_WILD, PLATID_MACH_COMPAQ_C_2010}}, /* uch machine */
207 { 0, 0, 639, 239, 5,
208 {{ 506, 487, 320, 120 },
209 { 880, 250, 40, 40 },
210 { 880, 718, 40, 200 },
211 { 140, 726, 600, 200 },
212 { 137, 250, 600, 40 }}}},
213
214 {{{PLATID_WILD, PLATID_MACH_SHARP_MOBILON_HC4100}}, /* uch machine */
215 { 0, 0, 639, 239, 5,
216 {{ 497, 501, 320, 120 },
217 { 752, 893, 40, 40 },
218 { 242, 891, 40, 200 },
219 { 241, 115, 600, 200 },
220 { 747, 101, 600, 40 }}}},
221
222 {{{PLATID_WILD, PLATID_MACH_SHARP_TELIOS_HCAJ1}}, /* uch machine */
223 { 0, 0, 799, 479, 5,
224 {{ 850, 150, 1, 1 },
225 { 850, 880, 1, 479 },
226 { 850, 880, 1, 479 },
227 { 85, 880, 799, 479 },
228 { 85, 150, 799, 1 }}}},
229
230 {{{PLATID_UNKNOWN, PLATID_UNKNOWN}},
231 { 0, 0, 639, 239, 5,
232 {{0, 0, 0, 0},
233 {0, 0, 0, 0},
234 {0, 0, 0, 0},
235 {0, 0, 0, 0},
236 {0, 0, 0, 0}}}},
237 };
238
239 struct wsmouse_calibcoords *
240 calibration_sample_lookup()
241 {
242 struct calibration_sample_table *tab;
243 platid_mask_t mask;
244
245 for (tab = calibration_sample_table;
246 tab->cst_platform.dw.dw1 != PLATID_UNKNOWN; tab++) {
247
248 mask = PLATID_DEREF(&tab->cst_platform);
249
250 if (platid_match(&platid, &mask)) {
251 return (&tab->cst_sample);
252 }
253 }
254
255 return (0);
256 }
257
258 int
259 ucbtp_calibration(struct ucbtp_softc *sc)
260 {
261 struct wsmouse_calibcoords *cs;
262
263 if (sc->sc_tc->tc_videot)
264 video_calibration_pattern(sc->sc_tc->tc_videot); /* debug */
265
266 tpcalib_init(&sc->sc_tpcalib);
267
268 if (!(cs = calibration_sample_lookup())) {
269 DPRINTF(("no calibration data"));
270 return (1);
271 }
272
273 sc->sc_calibrated =
274 tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS,
275 (caddr_t)cs, 0, 0) == 0 ? 1 : 0;
276
277 if (!sc->sc_calibrated)
278 printf("not ");
279 printf("calibrated");
280
281 return (0);
282 }
283
284 int
285 ucbtp_match(struct device *parent, struct cfdata *cf, void *aux)
286 {
287
288 return (1);
289 }
290
291 void
292 ucbtp_attach(struct device *parent, struct device *self, void *aux)
293 {
294 struct ucb1200_attach_args *ucba = aux;
295 struct ucbtp_softc *sc = (void*)self;
296 struct wsmousedev_attach_args wsmaa;
297 tx_chipset_tag_t tc;
298
299 tc = sc->sc_tc = ucba->ucba_tc;
300 sc->sc_sib = ucba->ucba_sib;
301 sc->sc_ucb = ucba->ucba_ucb;
302
303 printf(": ");
304 /* touch panel interrupt */
305 tx_intr_establish(tc, MAKEINTR(1, TX39_INTRSTATUS1_SIBIRQPOSINT),
306 IST_EDGE, IPL_TTY, ucbtp_sibintr, sc);
307
308 /* attempt to calibrate touch panel */
309 ucbtp_calibration(sc);
310 #ifdef TX392X /* hack for Telios HC-VJ1C */
311 sc->sc_xy_reverse = 1;
312 #endif
313
314 printf("\n");
315
316 wsmaa.accessops = &ucbtp_accessops;
317 wsmaa.accesscookie = sc;
318
319 ucb1200_state_install(parent, ucbtp_busy, self, UCB1200_TP_MODULE);
320
321 /*
322 * attach the wsmouse
323 */
324 sc->sc_wsmousedev = config_found(self, &wsmaa, wsmousedevprint);
325 }
326
327 int
328 ucbtp_busy(void *arg)
329 {
330 struct ucbtp_softc *sc = arg;
331
332 return (sc->sm_state != UCBADC_IDLE);
333 }
334
335 int
336 ucbtp_poll(void *arg)
337 {
338 struct ucbtp_softc *sc = arg;
339
340 if (!ucb1200_state_idle(sc->sc_ucb)) /* subframe0 busy */
341 return (POLL_CONT);
342
343 if (sc->sc_polling_finish) {
344 sc->sc_polling_finish = 0;
345 return (POLL_END);
346 }
347
348 /* execute A-D converter */
349 sc->sm_state = UCBADC_ADC_INIT;
350 ucbtp_adc_async(sc);
351
352 return (POLL_CONT);
353 }
354
355 int
356 ucbtp_sibintr(void *arg)
357 {
358 struct ucbtp_softc *sc = arg;
359
360 sc->sc_stat = UCBTS_STAT_TOUCH;
361
362 /* click! */
363 tx_sound_click(sc->sc_tc);
364
365 /* invoke touch panel polling */
366 if (!sc->sc_polling) {
367 sc->sc_pollh = tx39_poll_establish(sc->sc_tc, 1, IST_EDGE,
368 ucbtp_poll, sc);
369 if (!sc->sc_pollh) {
370 printf("%s: can't poll\n", sc->sc_dev.dv_xname);
371 }
372 }
373
374 /* don't acknoledge interrupt until polling finish */
375
376 return (0);
377 }
378
379 #define REGWRITE(addr, reg, ret) ( \
380 sc->sm_addr = (addr), \
381 sc->sm_reg = (reg), \
382 sc->sm_returnstate = (ret), \
383 sc->sm_state = UCBADC_REGWRITE)
384 #define REGREAD(addr, ret) ( \
385 sc->sm_addr = (addr), \
386 sc->sm_returnstate = (ret), \
387 sc->sm_state = UCBADC_REGREAD)
388
389 int
390 ucbtp_adc_async(void *arg)
391 {
392 struct ucbtp_softc *sc = arg;
393 tx_chipset_tag_t tc = sc->sc_tc;
394 txreg_t reg;
395 u_int16_t reg16;
396
397 DPRINTFN(9, ("state: %d\n", sc->sm_state));
398
399 switch (sc->sm_state) {
400 default:
401 panic("ucbtp_adc: invalid state %d", sc->sm_state);
402 /* NOTREACHED */
403 break;
404
405 case UCBADC_IDLE:
406 /* nothing to do */
407 break;
408
409 case UCBADC_ADC_INIT:
410 sc->sc_polling++;
411 sc->sc_stat = UCBTS_STAT_DRAG;
412 /* enable heart beat of this state machine */
413 sc->sm_ih = tx_intr_establish(
414 tc,
415 MAKEINTR(1, TX39_INTRSTATUS1_SIBSF0INT),
416 IST_EDGE, IPL_TTY, ucbtp_adc_async, sc);
417
418 sc->sm_state = UCBADC_MEASUMENT_INIT;
419 break;
420
421 case UCBADC_ADC_FINI:
422 /* disable heart beat of this state machine */
423 tx_intr_disestablish(tc, sc->sm_ih);
424 sc->sm_state = UCBADC_IDLE;
425 break;
426
427 case UCBADC_MEASUMENT_INIT:
428 switch (sc->sm_measurement) {
429 default:
430 panic("unknown measurement spec.");
431 /* NOTREACHED */
432 break;
433 case UCBADC_MEASUREMENT_X:
434 REGWRITE(UCB1200_TSCTRL_REG,
435 UCB1200_TSCTRL_XPOSITION,
436 UCBADC_ADC_ENABLE);
437 break;
438 case UCBADC_MEASUREMENT_Y:
439 REGWRITE(UCB1200_TSCTRL_REG,
440 UCB1200_TSCTRL_YPOSITION,
441 UCBADC_ADC_ENABLE);
442 break;
443 case UCBADC_MEASUREMENT_PRESSURE:
444 REGWRITE(UCB1200_TSCTRL_REG,
445 UCB1200_TSCTRL_PRESSURE,
446 UCBADC_ADC_ENABLE);
447 break;
448 }
449 break;
450
451 case UCBADC_MEASUMENT_FINI:
452 switch (sc->sm_measurement) {
453 case UCBADC_MEASUREMENT_X:
454 sc->sm_measurement = UCBADC_MEASUREMENT_Y;
455 sc->sm_state = UCBADC_MEASUMENT_INIT;
456 break;
457 case UCBADC_MEASUREMENT_Y:
458 sc->sm_measurement = UCBADC_MEASUREMENT_PRESSURE;
459 sc->sm_state = UCBADC_MEASUMENT_INIT;
460 break;
461 case UCBADC_MEASUREMENT_PRESSURE:
462 sc->sm_measurement = UCBADC_MEASUREMENT_X;
463 /* measument complete. pass down to wsmouse_input */
464 sc->sm_state = UCBADC_ADC_INPUT;
465 break;
466 }
467 break;
468
469 case UCBADC_ADC_ENABLE:
470 switch (sc->sm_measurement) {
471 case UCBADC_MEASUREMENT_PRESSURE:
472 /* FALLTHROUGH */
473 case UCBADC_MEASUREMENT_X:
474 sc->sm_tmpreg = UCB1200_ADCCTRL_INPUT_SET(
475 UCB1200_ADCCTRL_ENABLE,
476 UCB1200_ADCCTRL_INPUT_TSPX);
477 REGWRITE(UCB1200_ADCCTRL_REG, sc->sm_tmpreg,
478 UCBADC_ADC_START0);
479 break;
480 case UCBADC_MEASUREMENT_Y:
481 sc->sm_tmpreg = UCB1200_ADCCTRL_INPUT_SET(
482 UCB1200_ADCCTRL_ENABLE,
483 UCB1200_ADCCTRL_INPUT_TSPY);
484 REGWRITE(UCB1200_ADCCTRL_REG, sc->sm_tmpreg,
485 UCBADC_ADC_START0);
486 break;
487 }
488 break;
489
490 case UCBADC_ADC_START0:
491 REGWRITE(UCB1200_ADCCTRL_REG,
492 sc->sm_tmpreg | UCB1200_ADCCTRL_START,
493 UCBADC_ADC_START1);
494 break;
495
496 case UCBADC_ADC_START1:
497 REGWRITE(UCB1200_ADCCTRL_REG,
498 sc->sm_tmpreg,
499 UCBADC_ADC_DATAREAD);
500 sc->sm_retry = UCBADC_RETRY_DEFAULT;
501 break;
502
503 case UCBADC_ADC_DATAREAD:
504 REGREAD(UCB1200_ADCDATA_REG, UCBADC_ADC_DATAREAD_WAIT);
505 break;
506
507 case UCBADC_ADC_DATAREAD_WAIT:
508 reg16 = TX39_SIBSF0_REGDATA(sc->sm_reg);
509 if (!(reg16 & UCB1200_ADCDATA_INPROGRESS) &&
510 --sc->sm_retry > 0) {
511 sc->sm_state = UCBADC_ADC_DATAREAD;
512 } else {
513 if (sc->sm_retry <= 0) {
514 printf("dataread failed\n");
515 sc->sm_state = UCBADC_ADC_FINI;
516 break;
517 }
518
519 switch (sc->sm_measurement) {
520 case UCBADC_MEASUREMENT_X:
521 sc->sc_x = UCB1200_ADCDATA(reg16);
522 DPRINTFN(9, ("x=%d\n", sc->sc_x));
523 break;
524 case UCBADC_MEASUREMENT_Y:
525 sc->sc_y = UCB1200_ADCDATA(reg16);
526 DPRINTFN(9, ("y=%d\n", sc->sc_y));
527 break;
528 case UCBADC_MEASUREMENT_PRESSURE:
529 sc->sc_p = UCB1200_ADCDATA(reg16);
530 DPRINTFN(9, ("p=%d\n", sc->sc_p));
531 break;
532 }
533
534 sc->sm_state = UCBADC_ADC_DISABLE;
535 }
536
537 break;
538
539 case UCBADC_ADC_DISABLE:
540 REGWRITE(UCB1200_ADCCTRL_REG, 0, UCBADC_ADC_INTRMODE);
541
542 break;
543 case UCBADC_ADC_INTRMODE:
544 REGWRITE(UCB1200_TSCTRL_REG, UCB1200_TSCTRL_INTERRUPT,
545 UCBADC_MEASUMENT_FINI);
546 break;
547
548 case UCBADC_ADC_INPUT:
549 if (ucbtp_input(sc) == 0)
550 sc->sm_state = UCBADC_ADC_FINI;
551 else
552 sc->sm_state = UCBADC_INTR_ACK0;
553 break;
554
555 case UCBADC_INTR_ACK0:
556 REGREAD(UCB1200_INTSTAT_REG, UCBADC_INTR_ACK1);
557 break;
558
559 case UCBADC_INTR_ACK1:
560 REGWRITE(UCB1200_INTSTAT_REG, sc->sm_reg, UCBADC_INTR_ACK2);
561 break;
562
563 case UCBADC_INTR_ACK2:
564 sc->sc_polling_finish = 1;
565 REGWRITE(UCB1200_INTSTAT_REG, 0, UCBADC_ADC_FINI);
566 break;
567
568 /*
569 * UCB1200 register access state
570 */
571 case UCBADC_REGREAD:
572 /*
573 * In : sc->sm_addr
574 * Out : sc->sm_reg (with SIBtag)
575 */
576 #define TXSIB_REGREAD_INIT 0
577 #define TXSIB_REGREAD_READ 1
578 switch (sc->sm_read_state) {
579 case TXSIB_REGREAD_INIT:
580 reg = TX39_SIBSF0_REGADDR_SET(0, sc->sm_addr);
581 tx_conf_write(tc, TX39_SIBSF0CTRL_REG, reg);
582 sc->sm_rw_retry = UCBADC_RETRY_DEFAULT;
583 sc->sm_read_state = TXSIB_REGREAD_READ;
584 break;
585 case TXSIB_REGREAD_READ:
586 reg = tx_conf_read(tc, TX39_SIBSF0STAT_REG);
587 if ((TX39_SIBSF0_REGADDR(reg) != sc->sm_addr) &&
588 --sc->sm_rw_retry > 0) {
589 break;
590 }
591
592 if (sc->sm_rw_retry <= 0) {
593 printf("sf0read: command failed\n");
594 sc->sm_state = UCBADC_ADC_FINI;
595 } else {
596 sc->sm_reg = reg;
597 sc->sm_read_state = TXSIB_REGREAD_INIT;
598 DPRINTFN(9, ("%08x\n", reg));
599 if (sc->sm_writing)
600 sc->sm_state = UCBADC_REGWRITE;
601 else
602 sc->sm_state = sc->sm_returnstate;
603 }
604 break;
605 }
606 break;
607
608 case UCBADC_REGWRITE:
609 /*
610 * In : sc->sm_addr, sc->sm_reg (lower 16bit only)
611 */
612 #define TXSIB_REGWRITE_INIT 0
613 #define TXSIB_REGWRITE_WRITE 1
614 switch (sc->sm_write_state) {
615 case TXSIB_REGWRITE_INIT:
616 sc->sm_writing = 1;
617 sc->sm_write_state = TXSIB_REGWRITE_WRITE;
618 sc->sm_state = UCBADC_REGREAD;
619
620 sc->sm_write_val = sc->sm_reg;
621 break;
622 case TXSIB_REGWRITE_WRITE:
623 sc->sm_writing = 0;
624 sc->sm_write_state = TXSIB_REGWRITE_INIT;
625 sc->sm_state = sc->sm_returnstate;
626
627 reg = sc->sm_reg;
628 reg |= TX39_SIBSF0_WRITE;
629 TX39_SIBSF0_REGDATA_CLR(reg);
630 reg = TX39_SIBSF0_REGDATA_SET(reg, sc->sm_write_val);
631 tx_conf_write(tc, TX39_SIBSF0CTRL_REG, reg);
632 break;
633 }
634 break;
635 }
636
637 return (0);
638 }
639
640 int
641 ucbtp_input(struct ucbtp_softc *sc)
642 {
643 int rx, ry, x, y, p;
644
645 rx = sc->sc_x;
646 ry = sc->sc_y;
647 p = sc->sc_p;
648
649 if (!sc->sc_calibrated) {
650 DPRINTFN(2, ("x=%4d y=%4d p=%4d\n", rx, ry, p));
651 DPRINTF(("ucbtp_input: no calibration data\n"));
652 }
653
654 if (p < UCBTS_PRESS_THRESHOLD || rx == 0x3ff || ry == 0x3ff ||
655 rx == 0 || ry == 0) {
656 sc->sc_stat = UCBTS_STAT_RELEASE;
657 if (sc->sc_polling < UCBTS_TAP_THRESHOLD) {
658 DPRINTFN(2, ("TAP!\n"));
659 /* button 0 DOWN */
660 wsmouse_input(sc->sc_wsmousedev, 1, 0, 0, 0, 0);
661 /* button 0 UP */
662 wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0);
663 } else {
664 wsmouse_input(sc->sc_wsmousedev, 0,
665 sc->sc_ox, sc->sc_oy, 0,
666 WSMOUSE_INPUT_ABSOLUTE_X |
667 WSMOUSE_INPUT_ABSOLUTE_Y);
668
669 DPRINTFN(2, ("RELEASE\n"));
670 }
671 sc->sc_polling = 0;
672
673 return (1);
674 }
675
676 if (sc->sc_xy_reverse)
677 tpcalib_trans(&sc->sc_tpcalib, ry, rx, &x, &y);
678 else
679 tpcalib_trans(&sc->sc_tpcalib, rx, ry, &x, &y);
680
681 DPRINTFN(2, ("x: %4d->%4d y: %4d->%4d pressure=%4d\n",
682 rx, x, ry, y, p));
683
684 /* debug draw */
685 if (sc->sc_tc->tc_videot) {
686 if (sc->sc_polling == 1)
687 video_dot(sc->sc_tc->tc_videot, x, y);
688 else
689 video_line(sc->sc_tc->tc_videot, sc->sc_ox,
690 sc->sc_oy, x, y);
691 }
692
693 sc->sc_ox = x, sc->sc_oy = y;
694
695 wsmouse_input(sc->sc_wsmousedev, 1, x, y, 0,
696 WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y);
697
698 return (0);
699 }
700
701 /*
702 * access ops.
703 */
704
705 int
706 ucbtp_enable(void *v)
707 {
708 /* not yet */
709 return (0);
710 }
711
712 void
713 ucbtp_disable(void *v)
714 {
715 /* not yet */
716 }
717
718 int
719 ucbtp_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
720 {
721 struct ucbtp_softc *sc = v;
722
723 DPRINTF(("%s(%d): ucbtp_ioctl(%08lx)\n", __FILE__, __LINE__, cmd));
724
725 switch (cmd) {
726 case WSMOUSEIO_GTYPE:
727 *(u_int *)data = WSMOUSE_TYPE_TPANEL;
728 break;
729
730 case WSMOUSEIO_SRES:
731 printf("%s(%d): WSMOUSRIO_SRES is not supported",
732 __FILE__, __LINE__);
733 break;
734
735 case WSMOUSEIO_SCALIBCOORDS:
736 case WSMOUSEIO_GCALIBCOORDS:
737 case WSMOUSEIO_GETID:
738 return tpcalib_ioctl(&sc->sc_tpcalib, cmd, data, flag, p);
739
740 default:
741 return (EPASSTHROUGH);
742 }
743
744 return (0);
745 }
746