xref: /netbsd-src/sys/arch/hpcsh/dev/j6x0tp.c (revision c0179c282a5968435315a82f4128c61372c68fc3)
1 /*	$NetBSD: j6x0tp.c,v 1.15 2006/11/12 19:00:42 plunky Exp $ */
2 
3 /*
4  * Copyright (c) 2003 Valeriy E. Ushakov
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 __KERNEL_RCSID(0, "$NetBSD: j6x0tp.c,v 1.15 2006/11/12 19:00:42 plunky Exp $");
32 
33 #include <sys/param.h>
34 #include <sys/kernel.h>
35 #include <sys/device.h>
36 #include <sys/malloc.h>
37 #include <sys/systm.h>
38 #include <sys/callout.h>
39 
40 #include "opt_j6x0tp.h"
41 
42 #include <dev/wscons/wsconsio.h>
43 #include <dev/wscons/wsmousevar.h>
44 #include <dev/wscons/wskbdvar.h>
45 #include <dev/wscons/wsksymvar.h>
46 #include <dev/wscons/wsksymdef.h>
47 #include <dev/hpc/hpctpanelvar.h>
48 
49 #include <machine/platid.h>
50 #include <machine/platid_mask.h>
51 
52 #include <machine/intr.h>
53 
54 #include <sh3/exception.h>
55 #include <sh3/intcreg.h>
56 #include <sh3/pfcreg.h>
57 #include <sh3/adcreg.h>
58 
59 #include <sh3/dev/adcvar.h>
60 
61 
62 #define J6X0TP_DEBUG
63 #if 0 /* XXX: disabled in favor of local version that uses printf_nolog */
64 #define DPRINTF_ENABLE
65 #define DPRINTF_DEBUG	j6x0tp_debug
66 #define DPRINTF_LEVEL	0
67 #include <machine/debug.h>
68 #else
69 #ifdef J6X0TP_DEBUG
70 volatile int j6x0tp_debug = 0;
71 #define DPRINTF_PRINTF		printf_nolog
72 #define DPRINTF(arg)		if (j6x0tp_debug) DPRINTF_PRINTF arg
73 #define DPRINTFN(n, arg)	if (j6x0tp_debug > (n)) DPRINTF_PRINTF arg
74 #else
75 #define DPRINTF(arg)		((void)0)
76 #define DPRINTFN(n, arg)	((void)0)
77 #endif
78 #endif
79 
80 
81 /*
82  * PFC bits pertinent to Jornada 6x0 touchpanel
83  */
84 #define PHDR_TP_PEN_DOWN	0x08
85 
86 #define SCPDR_TP_SCAN_ENABLE	0x20
87 #define SCPDR_TP_SCAN_Y		0x02
88 #define SCPDR_TP_SCAN_X		0x01
89 
90 /*
91  * A/D converter channels to get x/y from
92  */
93 #define ADC_CHANNEL_TP_Y	1
94 #define ADC_CHANNEL_TP_X	2
95 
96 /*
97  * Default (read: my device :) raw X/Y values for framebuffer edges.
98  * XXX: defopt these?
99  */
100 #define J6X0TP_FB_LEFT		 38
101 #define J6X0TP_FB_RIGHT		950
102 #define J6X0TP_FB_TOP		 80
103 #define J6X0TP_FB_BOTTOM	900
104 
105 /*
106  * Bottom of the n'th hard icon (n = 1..4)
107  */
108 #define J6X0TP_HARD_ICON_MAX_Y(n) \
109 	(J6X0TP_FB_TOP + ((J6X0TP_FB_BOTTOM - J6X0TP_FB_TOP) / 4) * (n))
110 
111 
112 struct j6x0tp_softc {
113 	struct device sc_dev;
114 
115 #define J6X0TP_WSMOUSE_ENABLED	0x01
116 #define J6X0TP_WSKBD_ENABLED	0x02
117 	int sc_enabled;
118 
119 	int sc_hard_icon;
120 
121 	struct callout sc_touch_ch;
122 
123 	struct device *sc_wsmousedev;
124 	struct device *sc_wskbddev;
125 
126 	struct tpcalib_softc sc_tpcalib; /* calibration info for wsmouse */
127 };
128 
129 
130 /* config machinery */
131 static int	j6x0tp_match(struct device *, struct cfdata *, void *);
132 static void	j6x0tp_attach(struct device *, struct device *, void *);
133 
134 /* wsmouse accessops */
135 static int	j6x0tp_wsmouse_enable(void *);
136 static int	j6x0tp_wsmouse_ioctl(void *, u_long, caddr_t, int,
137 				     struct lwp *);
138 static void	j6x0tp_wsmouse_disable(void *);
139 
140 /* wskbd accessops */
141 static int	j6x0tp_wskbd_enable(void *, int);
142 static void	j6x0tp_wskbd_set_leds(void *, int);
143 static int	j6x0tp_wskbd_ioctl(void *, u_long, caddr_t, int,
144 				   struct lwp *);
145 
146 /* internal driver routines */
147 static void	j6x0tp_enable(struct j6x0tp_softc *);
148 static void	j6x0tp_disable(struct j6x0tp_softc *);
149 static int	j6x0tp_set_enable(struct j6x0tp_softc *, int, int);
150 static int	j6x0tp_intr(void *);
151 static void	j6x0tp_start_polling(void *);
152 static void	j6x0tp_stop_polling(struct j6x0tp_softc *);
153 static void	j6x0tp_callout_wsmouse(void *);
154 static void	j6x0tp_callout_wskbd(void *);
155 static void	j6x0tp_wsmouse_input(struct j6x0tp_softc *, int, int);
156 static void	j6x0tp_get_raw_xy(int *, int *);
157 static int	j6x0tp_get_hard_icon(int, int);
158 
159 
160 static const struct wsmouse_accessops j6x0tp_accessops = {
161 	j6x0tp_wsmouse_enable,
162 	j6x0tp_wsmouse_ioctl,
163 	j6x0tp_wsmouse_disable
164 };
165 
166 static const struct wsmouse_calibcoords j6x0tp_default_calib = {
167 	0, 0, 639, 239,
168 	4,
169 	{{ J6X0TP_FB_LEFT,  J6X0TP_FB_TOP,      0,   0 },
170 	 { J6X0TP_FB_RIGHT, J6X0TP_FB_TOP,    639,   0 },
171 	 { J6X0TP_FB_LEFT,  J6X0TP_FB_BOTTOM,   0, 239 },
172 	 { J6X0TP_FB_RIGHT, J6X0TP_FB_BOTTOM, 639, 239 }}
173 };
174 
175 static const struct wskbd_accessops j6x0tp_wskbd_accessops = {
176 	j6x0tp_wskbd_enable,
177 	j6x0tp_wskbd_set_leds,
178 	j6x0tp_wskbd_ioctl
179 };
180 
181 
182 #ifndef J6X0TP_SETTINGS_ICON_KEYSYM
183 #define J6X0TP_SETTINGS_ICON_KEYSYM	KS_Home
184 #endif
185 #ifndef J6X0TP_PGUP_ICON_KEYSYM
186 #define J6X0TP_PGUP_ICON_KEYSYM		KS_Prior
187 #endif
188 #ifndef J6X0TP_PGDN_ICON_KEYSYM
189 #define J6X0TP_PGDN_ICON_KEYSYM		KS_Next
190 #endif
191 #ifndef J6X0TP_SWITCH_ICON_KEYSYM
192 #define J6X0TP_SWITCH_ICON_KEYSYM	KS_End
193 #endif
194 
195 static const keysym_t j6x0tp_wskbd_keydesc[] = {
196 	KS_KEYCODE(1), J6X0TP_SETTINGS_ICON_KEYSYM,
197 	KS_KEYCODE(2), J6X0TP_PGUP_ICON_KEYSYM,
198 	KS_KEYCODE(3), J6X0TP_PGDN_ICON_KEYSYM,
199 	KS_KEYCODE(4), J6X0TP_SWITCH_ICON_KEYSYM
200 };
201 
202 static const struct wscons_keydesc j6x0tp_wskbd_keydesctab[] = {
203 	{ KB_US, 0,
204 	  sizeof(j6x0tp_wskbd_keydesc)/sizeof(keysym_t),
205 	  j6x0tp_wskbd_keydesc
206 	},
207 	{0, 0, 0, 0}
208 };
209 
210 static const struct wskbd_mapdata j6x0tp_wskbd_keymapdata = {
211         j6x0tp_wskbd_keydesctab, KB_US
212 };
213 
214 
215 CFATTACH_DECL(j6x0tp, sizeof(struct j6x0tp_softc),
216     j6x0tp_match, j6x0tp_attach, NULL, NULL);
217 
218 
219 static int
220 j6x0tp_match(struct device *parent, struct cfdata *cf, void *aux)
221 {
222 
223 	/*
224 	 * XXX: platid_mask_MACH_HP_LX also matches 360LX.  It's not
225 	 * confirmed whether touch panel in 360LX is connected this
226 	 * way.  We may need to regroup platid masks.
227 	 */
228 	if (!platid_match(&platid, &platid_mask_MACH_HP_JORNADA_6XX)
229 	    && !platid_match(&platid, &platid_mask_MACH_HP_LX))
230 		return (0);
231 
232 	if (strcmp(cf->cf_name, "j6x0tp") != 0)
233 		return (0);
234 
235 	return (1);
236 }
237 
238 
239 /*
240  * Attach the touch panel driver and its ws* children.
241  *
242  * Note that we have to use submatch to distinguish between children
243  * because ws{kbd,mouse}_match match unconditionally.
244  */
245 static void
246 j6x0tp_attach(struct device *parent, struct device *self, void *aux)
247 {
248 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
249 	struct wsmousedev_attach_args wsma;
250 	struct wskbddev_attach_args wska;
251 
252 	printf("\n");
253 
254 	sc->sc_enabled = 0;
255 	sc->sc_hard_icon = 0;
256 
257 	/* touch-panel as a pointing device */
258 	wsma.accessops = &j6x0tp_accessops;
259 	wsma.accesscookie = sc;
260 
261 	sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &wsma,
262 					    wsmousedevprint);
263 	if (sc->sc_wsmousedev == NULL)
264 		return;
265 
266 	/* on-screen "hard icons" as a keyboard device */
267 	wska.console = 0;
268 	wska.keymap = &j6x0tp_wskbd_keymapdata;
269 	wska.accessops = &j6x0tp_wskbd_accessops;
270 	wska.accesscookie = sc;
271 
272 	sc->sc_wskbddev = config_found_ia(self, "wskbddev", &wska,
273 					  wskbddevprint);
274 
275 	/* init calibration, set default parameters */
276 	tpcalib_init(&sc->sc_tpcalib);
277 	tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS,
278 		      (caddr_t)__UNCONST(&j6x0tp_default_calib), 0, 0);
279 
280 	/* used when in polling mode */
281 	callout_init(&sc->sc_touch_ch);
282 
283 	/* establish interrupt handler, but disable until opened */
284 	intc_intr_establish(SH7709_INTEVT2_IRQ3, IST_EDGE, IPL_TTY,
285 			    j6x0tp_intr, sc);
286 	intc_intr_disable(SH7709_INTEVT2_IRQ3);
287 }
288 
289 
290 /*
291  * Enable touch panel:  we start in interrupt mode.
292  * Must be called as spltty().
293  */
294 static void
295 j6x0tp_enable(struct j6x0tp_softc *sc)
296 {
297 
298 	DPRINTFN(2, ("%s: enable\n", sc->sc_dev.dv_xname));
299 	intc_intr_enable(SH7709_INTEVT2_IRQ3);
300 }
301 
302 
303 /*
304  * Disable touch panel: disable interrupt, cancel pending callout.
305  * Must be called as spltty().
306  */
307 static void
308 j6x0tp_disable(struct j6x0tp_softc *sc)
309 {
310 
311 	DPRINTFN(2, ("%s: disable\n", sc->sc_dev.dv_xname));
312 	intc_intr_disable(SH7709_INTEVT2_IRQ3);
313 	callout_stop(&sc->sc_touch_ch);
314 }
315 
316 
317 static int
318 j6x0tp_set_enable(struct j6x0tp_softc *sc, int on, int child)
319 {
320 	int s = spltty();
321 
322 	if (on) {
323 		if (!sc->sc_enabled)
324 			j6x0tp_enable(sc);
325 		sc->sc_enabled |= child;
326 	} else {
327 		sc->sc_enabled &= ~child;
328 		if (!sc->sc_enabled)
329 			j6x0tp_disable(sc);
330 	}
331 
332 	splx(s);
333 	return (0);
334 }
335 
336 
337 static int
338 j6x0tp_wsmouse_enable(void *self)
339 {
340 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
341 
342 	DPRINTFN(1, ("%s: wsmouse enable\n", sc->sc_dev.dv_xname));
343 	return (j6x0tp_set_enable(sc, 1, J6X0TP_WSMOUSE_ENABLED));
344 }
345 
346 
347 static void
348 j6x0tp_wsmouse_disable(void *self)
349 {
350 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
351 
352 	DPRINTFN(1, ("%s: wsmouse disable\n", sc->sc_dev.dv_xname));
353 	j6x0tp_set_enable(sc, 0, J6X0TP_WSMOUSE_ENABLED);
354 }
355 
356 
357 static int
358 j6x0tp_wskbd_enable(void *self, int on)
359 {
360 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
361 
362 	DPRINTFN(1, ("%s: wskbd %sable\n", sc->sc_dev.dv_xname,
363 		     on ? "en" : "dis"));
364 	return (j6x0tp_set_enable(sc, on, J6X0TP_WSKBD_ENABLED));
365 }
366 
367 
368 static int
369 j6x0tp_intr(void *self)
370 {
371 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
372 
373 	uint8_t irr0;
374 	uint8_t phdr, touched;
375 	unsigned int steady, tremor_timeout;
376 
377 	irr0 = _reg_read_1(SH7709_IRR0);
378 	if ((irr0 & IRR0_IRQ3) == 0) {
379 #ifdef DIAGNOSTIC
380 		printf("%s: irr0 %02x?\n", sc->sc_dev.dv_xname, irr0);
381 #endif
382 		return (0);
383 	}
384 
385 	if (!sc->sc_enabled) {
386 		DPRINTFN(1, ("%s: intr: !sc_enabled\n", sc->sc_dev.dv_xname));
387 		intc_intr_disable(SH7709_INTEVT2_IRQ3);
388 		goto served;
389 	}
390 
391 
392 	/*
393 	 * Number of times the "touched" bit should be read
394 	 * consecutively.
395 	 */
396 #	define TREMOR_THRESHOLD 0x300
397 
398 	steady = 0;
399 	tremor_timeout = TREMOR_THRESHOLD * 16;	/* XXX: arbitrary */
400 	touched = PHDR_TP_PEN_DOWN;	/* we start with "touched" state */
401 
402 	do {
403 		phdr = _reg_read_1(SH7709_PHDR);
404 
405 		if ((phdr & PHDR_TP_PEN_DOWN) == touched)
406 			++steady;
407 		else {
408 			steady = 0;
409 			touched = phdr & PHDR_TP_PEN_DOWN;
410 		}
411 
412 		if (--tremor_timeout == 0) {
413 			DPRINTF(("%s: tremor timeout!\n",
414 				 sc->sc_dev.dv_xname));
415 			goto served;
416 		}
417 	} while (steady < TREMOR_THRESHOLD);
418 
419 	if (touched) {
420 		intc_intr_disable(SH7709_INTEVT2_IRQ3);
421 
422 		/*
423 		 * ADC readings are not stable yet, so schedule
424 		 * callout instead of accessing ADC from the interrupt
425 		 * handler only to immediately delay().
426 		 */
427 		callout_reset(&sc->sc_touch_ch, hz/32,
428 			      j6x0tp_start_polling, sc);
429 	} else
430 		DPRINTFN(1, ("%s: tremor\n", sc->sc_dev.dv_xname));
431   served:
432 	/* clear the interrupt (XXX: protect access?) */
433 	_reg_write_1(SH7709_IRR0, irr0 & ~IRR0_IRQ3);
434 
435 	return (1);
436 }
437 
438 
439 /*
440  * Called from the interrupt handler at spltty() upon first touch.
441  * Decide if we are going to report this touch as a mouse click/drag
442  * or as a key press.
443  */
444 static void
445 j6x0tp_start_polling(void *self)
446 {
447 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
448 	uint8_t phdr;
449 	int do_mouse, do_kbd;
450 	int rawx, rawy;
451 	int icon;
452 
453 	phdr = _reg_read_1(SH7709_PHDR);
454 	if ((phdr & PHDR_TP_PEN_DOWN) == 0) {
455 		DPRINTFN(2, ("%s: start: pen is not down\n",
456 			     sc->sc_dev.dv_xname));
457 		j6x0tp_stop_polling(sc);
458 	}
459 
460 	j6x0tp_get_raw_xy(&rawx, &rawy);
461 	DPRINTFN(2, ("%s: start: %4d %4d -> ",
462 		     sc->sc_dev.dv_xname, rawx, rawy));
463 
464 	do_mouse = sc->sc_enabled & J6X0TP_WSMOUSE_ENABLED;
465 #ifdef J6X0TP_WSMOUSE_EXCLUSIVE
466 	if (do_mouse)
467 		do_kbd = 0;
468 	else
469 #endif
470 		do_kbd = sc->sc_enabled & J6X0TP_WSKBD_ENABLED;
471 
472 	icon = 0;
473 	if (do_kbd)
474 		icon = j6x0tp_get_hard_icon(rawx, rawy);
475 
476 	if (icon != 0) {
477 		DPRINTFN(2, ("icon %d\n", icon));
478 		sc->sc_hard_icon = icon;
479 		wskbd_input(sc->sc_wskbddev, WSCONS_EVENT_KEY_DOWN, icon);
480 		callout_reset(&sc->sc_touch_ch, hz/32,
481 			      j6x0tp_callout_wskbd, sc);
482 	} else if (do_mouse) {
483 		DPRINTFN(2, ("mouse\n"));
484 		j6x0tp_wsmouse_input(sc, rawx, rawy);
485 		callout_reset(&sc->sc_touch_ch, hz/32,
486 			      j6x0tp_callout_wsmouse, sc);
487 	} else {
488 		DPRINTFN(2, ("ignore\n"));
489 		j6x0tp_stop_polling(sc);
490 	}
491 }
492 
493 
494 /*
495  * Re-enable touch panel interrupt.
496  * Called as spltty() when polling code detects pen-up.
497  */
498 static void
499 j6x0tp_stop_polling(struct j6x0tp_softc *sc)
500 {
501 	uint8_t irr0;
502 
503 	DPRINTFN(2, ("%s: stop\n", sc->sc_dev.dv_xname));
504 
505 	/* clear pending interrupt signal before re-enabling the interrupt */
506 	irr0 = _reg_read_1(SH7709_IRR0);
507 	if ((irr0 & IRR0_IRQ3) != 0)
508 		_reg_write_1(SH7709_IRR0, irr0 & ~IRR0_IRQ3);
509 
510 	intc_intr_enable(SH7709_INTEVT2_IRQ3);
511 }
512 
513 
514 /*
515  * We are reporting this touch as a keyboard event.
516  * Poll touch screen waiting for pen-up.
517  */
518 static void
519 j6x0tp_callout_wskbd(void *self)
520 {
521 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
522 	uint8_t phdr;
523 	int s;
524 
525 	s = spltty();
526 
527 	if (!sc->sc_enabled) {
528 		DPRINTFN(1, ("%s: wskbd callout: !sc_enabled\n",
529 			     sc->sc_dev.dv_xname));
530 		splx(s);
531 		return;
532 	}
533 
534 	phdr = _reg_read_1(SH7709_PHDR);
535 	if ((phdr & PHDR_TP_PEN_DOWN) != 0) {
536 		/*
537 		 * Pen is still down, continue polling.  Wskbd's
538 		 * auto-repeat takes care of repeating the key.
539 		 */
540 		callout_schedule(&sc->sc_touch_ch, hz/32);
541 	} else {
542 		wskbd_input(sc->sc_wskbddev,
543 			    WSCONS_EVENT_KEY_UP, sc->sc_hard_icon);
544 		j6x0tp_stop_polling(sc);
545 	}
546 	splx(s);
547 }
548 
549 
550 /*
551  * We are reporting this touch as a mouse click/drag.
552  */
553 static void
554 j6x0tp_callout_wsmouse(void *self)
555 {
556 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
557 	uint8_t phdr;
558 	int rawx, rawy;
559 	int s;
560 
561 	s = spltty();
562 
563 	if (!sc->sc_enabled) {
564 		DPRINTFN(1, ("%s: wsmouse callout: !sc_enabled\n",
565 			     sc->sc_dev.dv_xname));
566 		splx(s);
567 		return;
568 	}
569 
570 	phdr = _reg_read_1(SH7709_PHDR);
571 	if ((phdr & PHDR_TP_PEN_DOWN) != 0) {
572 		j6x0tp_get_raw_xy(&rawx, &rawy);
573 		j6x0tp_wsmouse_input(sc, rawx, rawy); /* mouse dragged */
574 		callout_schedule(&sc->sc_touch_ch, hz/32);
575 	} else {
576 		wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0, /* button up */
577 			      WSMOUSE_INPUT_DELTA);
578 		j6x0tp_stop_polling(sc);
579 	}
580 	splx(s);
581 }
582 
583 
584 /*
585  * Report mouse click/drag.
586  */
587 static void
588 j6x0tp_wsmouse_input(struct j6x0tp_softc *sc, int rawx, int rawy)
589 {
590 	int x, y;
591 
592 	tpcalib_trans(&sc->sc_tpcalib, rawx, rawy, &x, &y);
593 
594 	DPRINTFN(3, ("%s: %4d %4d -> %3d %3d\n",
595 		     sc->sc_dev.dv_xname, rawx, rawy, x, y));
596 
597 	wsmouse_input(sc->sc_wsmousedev,
598 			1,	/* button */
599 			x, y, 0, 0,
600 			WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y);
601 }
602 
603 
604 /*
605  * Read raw X/Y coordinates from the ADC.
606  * XXX: protect accesses to SCPDR?
607  */
608 static void
609 j6x0tp_get_raw_xy(int *rawxp, int *rawyp)
610 {
611 	uint8_t scpdr;
612 
613 	/* Y axis */
614 	scpdr = _reg_read_1(SH7709_SCPDR);
615 	scpdr |=  SCPDR_TP_SCAN_ENABLE;
616 	scpdr &= ~SCPDR_TP_SCAN_Y; /* pull low to scan */
617 	_reg_write_1(SH7709_SCPDR, scpdr);
618 	delay(10);
619 
620 	*rawyp = adc_sample_channel(ADC_CHANNEL_TP_Y);
621 
622 	/* X axis */
623 	scpdr = _reg_read_1(SH7709_SCPDR);
624 	scpdr |=  SCPDR_TP_SCAN_Y;
625 	scpdr &= ~SCPDR_TP_SCAN_X; /* pull low to scan */
626 	_reg_write_1(SH7709_SCPDR, scpdr);
627 	delay(10);
628 
629 	*rawxp = adc_sample_channel(ADC_CHANNEL_TP_X);
630 
631 	/* restore SCPDR */
632 	scpdr = _reg_read_1(SH7709_SCPDR);
633 	scpdr |=  SCPDR_TP_SCAN_X;
634 	scpdr &= ~SCPDR_TP_SCAN_ENABLE;
635 	_reg_write_1(SH7709_SCPDR, scpdr);
636 }
637 
638 
639 /*
640  * Check if the (rawx, rawy) is inside one of the 4 hard icons.
641  * Return the icon number 1..4, or 0 if not inside an icon.
642  */
643 static int
644 j6x0tp_get_hard_icon(int rawx, int rawy)
645 {
646 	if (rawx <= J6X0TP_FB_RIGHT)
647 		return (0);
648 
649 	if (rawy < J6X0TP_HARD_ICON_MAX_Y(1))
650 		return (1);
651 	else if (rawy < J6X0TP_HARD_ICON_MAX_Y(2))
652 		return (2);
653 	else if (rawy < J6X0TP_HARD_ICON_MAX_Y(3))
654 		return (3);
655 	else
656 		return (4);
657 }
658 
659 
660 static int
661 j6x0tp_wsmouse_ioctl(void *self, u_long cmd, caddr_t data, int flag,
662 		     struct lwp *l)
663 {
664 	struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self;
665 
666 	return hpc_tpanel_ioctl(&sc->sc_tpcalib, cmd, data, flag, l);
667 }
668 
669 
670 static int
671 j6x0tp_wskbd_ioctl(void *self, u_long cmd, caddr_t data, int flag,
672 		     struct lwp *l)
673 {
674 	/* struct j6x0tp_softc *sc = (struct j6x0tp_softc *)self; */
675 
676 	switch (cmd) {
677 	case WSKBDIO_GTYPE:
678 		*(int *)data = WSKBD_TYPE_HPC_BTN; /* may be use new type? */
679 		return (0);
680 
681 	case WSKBDIO_GETLEDS:
682 		*(int *)data = 0;
683 		return (0);
684 
685 	default:
686 		return (EPASSTHROUGH);
687 	}
688 }
689 
690 
691 static void
692 j6x0tp_wskbd_set_leds(void *self, int leds)
693 {
694 
695 	/* nothing to do*/
696 	return;
697 }
698