j720ssp.c revision 1.7 1 /* $NetBSD: j720ssp.c,v 1.7 2002/07/19 19:15:49 ichiro Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
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 * Copyright (c) 1990 The Regents of the University of California.
41 * All rights reserved.
42 *
43 * This code is derived from software contributed to Berkeley by
44 * William Jolitz and Don Ahn.
45 *
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
48 * are met:
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. All advertising materials mentioning features or use of this software
55 * must display the following acknowledgement:
56 * This product includes software developed by the University of
57 * California, Berkeley and its contributors.
58 * 4. Neither the name of the University nor the names of its contributors
59 * may be used to endorse or promote products derived from this software
60 * without specific prior written permission.
61 *
62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 * SUCH DAMAGE.
73 *
74 * @(#)pccons.c 5.11 (Berkeley) 5/21/91
75 */
76
77 #include <sys/param.h>
78 #include <sys/systm.h>
79 #include <sys/device.h>
80 #include <sys/callout.h>
81 #include <sys/kernel.h>
82 #include <sys/malloc.h>
83 #include <sys/ioctl.h>
84
85 #include <machine/bus.h>
86 #include <machine/config_hook.h>
87 #include <machine/bootinfo.h>
88
89 #include <hpcarm/dev/sed1356var.h>
90
91 #include <arm/sa11x0/sa11x0_var.h>
92 #include <arm/sa11x0/sa11x0_gpioreg.h>
93 #include <arm/sa11x0/sa11x0_ppcreg.h>
94 #include <arm/sa11x0/sa11x0_sspreg.h>
95
96 #include <dev/wscons/wsconsio.h>
97 #include <dev/wscons/wskbdvar.h>
98 #include <dev/wscons/wsksymdef.h>
99 #include <dev/wscons/wsksymvar.h>
100 #include <dev/wscons/wsmousevar.h>
101 #include <dev/hpc/tpcalibvar.h>
102
103 extern const struct wscons_keydesc j720kbd_keydesctab[];
104
105 struct j720ssp_softc {
106 struct device sc_dev;
107
108 bus_space_tag_t sc_iot;
109 bus_space_handle_t sc_gpioh;
110 bus_space_handle_t sc_ssph;
111
112 struct device *sc_wskbddev;
113 struct device *sc_wsmousedev;
114 struct tpcalib_softc sc_tpcalib;
115
116 void *sc_kbdsi;
117 void *sc_tpsi;
118 struct callout sc_tptimeout;
119 int sc_enabled;
120 };
121
122 int j720kbd_intr(void *);
123 int j720tp_intr(void *);
124 void j720kbdsoft(void *);
125 void j720tpsoft(void *);
126 void j720tp_timeout(void *);
127 int j720lcdparam(void *, int, long, void *);
128 static void j720kbd_read(struct j720ssp_softc *, char *);
129 static int j720ssp_readwrite(struct j720ssp_softc *, int, int, int *);
130
131 int j720sspprobe(struct device *, struct cfdata *, void *);
132 void j720sspattach(struct device *, struct device *, void *);
133
134 int j720kbd_submatch(struct device *, struct cfdata *, void *);
135 int j720tp_submatch(struct device *, struct cfdata *, void *);
136
137 int j720kbd_enable(void *, int);
138 void j720kbd_set_leds(void *, int);
139 int j720kbd_ioctl(void *, u_long, caddr_t, int, struct proc *);
140
141 struct cfattach j720ssp_ca = {
142 sizeof(struct j720ssp_softc), j720sspprobe, j720sspattach,
143 };
144
145 const struct wskbd_accessops j720kbd_accessops = {
146 j720kbd_enable,
147 j720kbd_set_leds,
148 j720kbd_ioctl,
149 };
150
151 void j720kbd_cngetc(void *, u_int *, int *);
152 void j720kbd_cnpollc(void *, int);
153 void j720kbd_cnbell(void *, u_int, u_int, u_int);
154
155 const struct wskbd_consops j720kbd_consops = {
156 j720kbd_cngetc,
157 j720kbd_cnpollc,
158 j720kbd_cnbell,
159 };
160
161 const struct wskbd_mapdata j720kbd_keymapdata = {
162 j720kbd_keydesctab,
163 #ifdef J720KBD_LAYOUT
164 J720KBD_LAYOUT,
165 #else
166 KB_US,
167 #endif
168 };
169
170 static int j720tp_enable(void *);
171 static int j720tp_ioctl(void *, u_long, caddr_t, int, struct proc *);
172 static void j720tp_disable(void *);
173
174 const struct wsmouse_accessops j720tp_accessops = {
175 j720tp_enable,
176 j720tp_ioctl,
177 j720tp_disable,
178 };
179
180 static int j720ssp_powerstate = 1;
181
182 static struct j720ssp_softc j720kbdcons_sc;
183 static int j720kbdcons_initstate = 0;
184
185 #define DEBUG
186 #ifdef DEBUG
187 int j720sspwaitcnt;
188 int j720sspwaittime;
189 extern int gettick();
190 #endif
191
192 #define BIT_INVERT(x) do { \
193 (x) = ((((x) & 0xf0) >> 4) | (((x) & 0x0f) << 4)); \
194 (x) = ((((x) & 0xcc) >> 2) | (((x) & 0x33) << 2)); \
195 (x) = ((((x) & 0xaa) >> 1) | (((x) & 0x55) << 1)); \
196 } while(0)
197
198 int
199 j720sspprobe(struct device *parent, struct cfdata *cf, void *aux)
200 {
201 return (1);
202 }
203
204 void
205 j720sspattach(struct device *parent, struct device *self, void *aux)
206 {
207 struct j720ssp_softc *sc = (void *)self;
208 struct sa11x0_softc *psc = (void *)parent;
209 struct sa11x0_attach_args *sa = aux;
210 struct wskbddev_attach_args a;
211 struct wsmousedev_attach_args ma;
212
213 printf("\n");
214
215 sc->sc_iot = psc->sc_iot;
216 sc->sc_gpioh = psc->sc_gpioh;
217 if (bus_space_map(sc->sc_iot, sa->sa_addr, sa->sa_size, 0,
218 &sc->sc_ssph)) {
219 printf("%s: unable to map SSP registers\n",
220 sc->sc_dev.dv_xname);
221 return;
222 }
223
224 sc->sc_kbdsi = softintr_establish(IPL_SOFTCLOCK, j720kbdsoft, sc);
225
226 sc->sc_enabled = 0;
227
228 a.console = 0;
229
230 a.keymap = &j720kbd_keymapdata;
231
232 a.accessops = &j720kbd_accessops;
233 a.accesscookie = sc;
234
235 /* Do console initialization */
236 if (! (bootinfo->bi_cnuse & BI_CNUSE_SERIAL)) {
237 j720kbdcons_sc = *sc;
238 a.console = 1;
239
240 wskbd_cnattach(&j720kbd_consops, NULL, &j720kbd_keymapdata);
241 j720kbdcons_initstate = 1;
242 }
243
244 /*
245 * Attach the wskbd, saving a handle to it.
246 * XXX XXX XXX
247 */
248 sc->sc_wskbddev = config_found_sm(self, &a, wskbddevprint,
249 j720kbd_submatch);
250
251 #ifdef DEBUG
252 /* Zero the stat counters */
253 j720sspwaitcnt = 0;
254 j720sspwaittime = 0;
255 #endif
256
257 if (j720kbdcons_initstate == 1)
258 j720kbd_enable(sc, 1);
259
260 ma.accessops = &j720tp_accessops;
261 ma.accesscookie = sc;
262
263 sc->sc_wsmousedev = config_found_sm(self, &ma, wsmousedevprint,
264 j720tp_submatch);
265 tpcalib_init(&sc->sc_tpcalib);
266
267 /* XXX fill in "default" calibrate param */
268 {
269 static const struct wsmouse_calibcoords j720_default_calib = {
270 0, 0, 639, 239,
271 4,
272 { { 988, 80, 0, 0 },
273 { 88, 84, 639, 0 },
274 { 988, 927, 0, 239 },
275 { 88, 940, 639, 239 } } };
276 tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS,
277 (caddr_t)&j720_default_calib, 0, 0);
278 }
279
280 j720tp_disable(sc);
281 callout_init(&sc->sc_tptimeout);
282
283 /* Setup touchpad interrupt */
284 sc->sc_tpsi = softintr_establish(IPL_SOFTCLOCK, j720tpsoft, sc);
285 sa11x0_intr_establish(0, 9, 1, IPL_BIO, j720tp_intr, sc);
286
287 /* LCD control is on the same bus */
288 config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS,
289 CONFIG_HOOK_SHARE, j720lcdparam, sc);
290 config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS,
291 CONFIG_HOOK_SHARE, j720lcdparam, sc);
292 config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_BRIGHTNESS_MAX,
293 CONFIG_HOOK_SHARE, j720lcdparam, sc);
294
295 config_hook(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST,
296 CONFIG_HOOK_SHARE, j720lcdparam, sc);
297 config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST,
298 CONFIG_HOOK_SHARE, j720lcdparam, sc);
299 config_hook(CONFIG_HOOK_GET, CONFIG_HOOK_CONTRAST_MAX,
300 CONFIG_HOOK_SHARE, j720lcdparam, sc);
301 }
302
303 int
304 j720kbd_submatch(struct device *parant, struct cfdata *cf, void *aux) {
305
306 if (strcmp(cf->cf_driver->cd_name, "wskbd") == 0)
307 return (1);
308 return (0);
309 }
310
311 int
312 j720tp_submatch(struct device *parant, struct cfdata *cf, void *aux) {
313
314 if (strcmp(cf->cf_driver->cd_name, "wsmouse") == 0)
315 return (1);
316 return (0);
317 }
318
319 int
320 j720kbd_enable(void *v, int on)
321 {
322 struct j720ssp_softc *sc = v;
323
324 if (! sc->sc_enabled) {
325 sc->sc_enabled = 1;
326
327 sa11x0_intr_establish(0, 0, 1, IPL_BIO, j720kbd_intr, sc);
328 }
329 /* XXX */
330 return (0);
331 }
332
333 void
334 j720kbd_set_leds(void *v, int on)
335 {
336 /* XXX */
337 return;
338 }
339
340 int
341 j720kbd_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
342 {
343 return (EPASSTHROUGH);
344 }
345
346 int
347 j720kbd_intr(void *arg)
348 {
349 struct j720ssp_softc *sc = arg;
350
351 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 1);
352
353 /*
354 * Schedule a soft interrupt to process at lower priority,
355 * as reading keycodes takes time.
356 *
357 * Interrupts are generated every 25-33ms as long as there
358 * are unprocessed key events. So it is not a good idea to
359 * use callout to call j720kbdsoft after some delay in hope
360 * of reducing interrupts.
361 */
362 softintr_schedule(sc->sc_kbdsi);
363
364 return (1);
365 }
366
367 int
368 j720tp_intr(void *arg)
369 {
370 struct j720ssp_softc *sc = arg;
371
372 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 1 << 9);
373
374 softintr_schedule(sc->sc_tpsi);
375
376 return (1);
377 }
378
379 void
380 j720kbdsoft(void *arg)
381 {
382 struct j720ssp_softc *sc = arg;
383 int s, type, value;
384 char buf[9], *p;
385
386 j720kbd_read(sc, buf);
387
388 for(p = buf; *p; p++) {
389 type = *p & 0x80 ? WSCONS_EVENT_KEY_UP :
390 WSCONS_EVENT_KEY_DOWN;
391 value = *p & 0x7f;
392 s = spltty();
393 wskbd_input(sc->sc_wskbddev, type, value);
394 splx(s);
395 if (type == WSCONS_EVENT_KEY_DOWN &&
396 value == 0x7f) {
397 j720ssp_powerstate = ! j720ssp_powerstate;
398 config_hook_call(CONFIG_HOOK_POWERCONTROL,
399 CONFIG_HOOK_POWERCONTROL_LCDLIGHT,
400 (void *)j720ssp_powerstate);
401 }
402 }
403
404 return;
405 }
406
407 void
408 j720kbd_read(struct j720ssp_softc *sc, char *buf)
409 {
410 int data, count;
411 #ifdef DEBUG
412 u_int32_t oscr;
413
414 oscr = gettick();
415 #endif
416 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
417
418 /* send scan keycode command */
419 if (j720ssp_readwrite(sc, 1, 0x900, &data) < 0 ||
420 data != 0x88)
421 goto out;
422
423 /* read numbers of scancode available */
424 if (j720ssp_readwrite(sc, 0, 0x8800, &data) < 0)
425 goto out;
426 BIT_INVERT(data);
427 count = data;
428
429 for(; count; count--) {
430 if (j720ssp_readwrite(sc, 0, 0x8800, &data) < 0)
431 goto out;
432 BIT_INVERT(data);
433 *buf++ = data;
434 }
435 *buf = 0;
436 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
437
438 #ifdef DEBUG
439 oscr = (u_int32_t)gettick() - oscr;
440 j720sspwaitcnt++;
441 j720sspwaittime += oscr;
442 #endif
443
444 return;
445
446 out:
447 *buf = 0;
448 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
449
450 /* reset SSP */
451 bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
452 delay(100);
453 bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
454 printf("j720kbd_read: error %x\n", data);
455 }
456
457 void
458 j720tpsoft(void *arg)
459 {
460 struct j720ssp_softc *sc = arg;
461 int buf[8], data, i, x, y;
462
463 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
464
465 /* send read touchpanel command */
466 if (j720ssp_readwrite(sc, 1, 0x500, &data) < 0 ||
467 data != 0x88)
468 goto out;
469
470 for(i = 0; i < 8; i++) {
471 if (j720ssp_readwrite(sc, 0, 0x8800, &data) < 0)
472 goto out;
473 BIT_INVERT(data);
474 buf[i] = data;
475 }
476
477 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
478
479 buf[6] <<= 8;
480 buf[7] <<= 8;
481 for(i = 0; i < 3; i++) {
482 buf[i] |= buf[6] & 0x300;
483 buf[6] >>= 2;
484 buf[i + 3] |= buf[7] & 0x300;
485 buf[7] >>= 2;
486 }
487 #if 0
488 printf("j720tpsoft: %d %d %d %d %d %d\n", buf[0], buf[1], buf[2],
489 buf[3], buf[4], buf[5]);
490 #endif
491
492 /* XXX buf[1], buf[2], ... should also be used */
493 tpcalib_trans(&sc->sc_tpcalib, buf[1], buf[4], &x, &y);
494 wsmouse_input(sc->sc_wsmousedev, 1, x, y, 0,
495 WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y);
496
497 callout_reset(&sc->sc_tptimeout, hz / 10, j720tp_timeout, sc);
498
499 return;
500
501 out:
502 *buf = 0;
503 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
504
505 /* reset SSP */
506 bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
507 delay(100);
508 bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
509 printf("j720tpsoft: error %x\n", data);
510 }
511
512 void
513 j720tp_timeout(void *arg)
514 {
515 struct j720ssp_softc *sc = arg;
516
517 #if 0
518 /* XXX I don't this this is necessary (untested) */
519 if (bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PLR) &
520 (1 << 9)) {
521 /* Touchpad is still pressed */
522 callout_reset(&sc->sc_tptimeout, hz / 10, j720tp_timeout, sc);
523 return;
524 }
525 #endif
526
527 wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0);
528 }
529
530 static int
531 j720tp_enable(void *arg) {
532 struct j720ssp_softc *sc = arg;
533 int er, s;
534
535 s = splhigh();
536 er = bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER);
537 er |= 1 << 9;
538 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER, er);
539 splx(s);
540
541 return (0);
542 }
543
544 static void
545 j720tp_disable(void *arg) {
546 struct j720ssp_softc *sc = arg;
547 int er, s;
548
549 s = splhigh();
550 er = bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER);
551 er &= ~(1 << 9);
552 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_FER, er);
553 splx(s);
554 }
555
556 static int
557 j720tp_ioctl(void *arg, u_long cmd, caddr_t data, int flag, struct proc *p) {
558 struct j720ssp_softc *sc = arg;
559
560 switch (cmd) {
561 case WSMOUSEIO_GTYPE:
562 *(u_int *)data = WSMOUSE_TYPE_TPANEL;
563 return (0);
564
565 case WSMOUSEIO_SCALIBCOORDS:
566 case WSMOUSEIO_GCALIBCOORDS:
567 return tpcalib_ioctl(&sc->sc_tpcalib, cmd, data, flag, p);
568
569 default:
570 return (EPASSTHROUGH);
571 }
572 }
573
574 int
575 j720lcdparam(void *ctx, int type, long id, void *msg)
576 {
577 struct j720ssp_softc *sc = ctx;
578 int i, s;
579 u_int32_t data[2], len;
580
581 switch (type) {
582 case CONFIG_HOOK_GET:
583 switch (id) {
584 case CONFIG_HOOK_BRIGHTNESS_MAX:
585 case CONFIG_HOOK_CONTRAST_MAX:
586 *(int *)msg = 255;
587 return 1;
588 case CONFIG_HOOK_BRIGHTNESS:
589 data[0] = 0x6b00;
590 data[1] = 0x8800;
591 len = 2;
592 break;
593 case CONFIG_HOOK_CONTRAST:
594 data[0] = 0x2b00;
595 data[1] = 0x8800;
596 len = 2;
597 break;
598 default:
599 return 0;
600 }
601 break;
602
603 case CONFIG_HOOK_SET:
604 switch (id) {
605 case CONFIG_HOOK_BRIGHTNESS:
606 if (*(int *)msg >= 0) {
607 data[0] = 0xcb00;
608 data[1] = *(int *)msg;
609 BIT_INVERT(data[1]);
610 data[1] <<= 8;
611 len = 2;
612 } else {
613 /* XXX hack */
614 data[0] = 0xfb00;
615 len = 1;
616 }
617 break;
618 case CONFIG_HOOK_CONTRAST:
619 data[0] = 0x8b00;
620 data[1] = *(int *)msg;
621 BIT_INVERT(data[1]);
622 data[1] <<= 8;
623 len = 2;
624 break;
625 default:
626 return 0;
627 }
628 }
629
630 s = splbio();
631 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PCR, 0x2000000);
632
633 for (i = 0; i < len; i++) {
634 if (j720ssp_readwrite(sc, 1, data[i], &data[i]) < 0)
635 goto out;
636 }
637 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
638 splx(s);
639
640 if (type == CONFIG_HOOK_SET)
641 return 1;
642
643 BIT_INVERT(data[1]);
644 *(int *)msg = data[1];
645
646 return 1;
647
648 out:
649 bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PSR, 0x2000000);
650
651 /* reset SSP */
652 bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x307);
653 delay(100);
654 bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_CR0, 0x387);
655 splx(s);
656 return 0;
657 }
658
659 static int
660 j720ssp_readwrite(struct j720ssp_softc *sc, int drainfifo, int in, int *out)
661 {
662 int timo;
663
664 timo = 100000;
665 while(bus_space_read_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_PLR) & 0x400)
666 if (--timo == 0) {
667 printf("timo0\n");
668 return -1;
669 }
670 if (drainfifo) {
671 while(bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_SR) &
672 SR_RNE)
673 bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_DR);
674 #if 1
675 delay(5000);
676 #endif
677 }
678
679 bus_space_write_4(sc->sc_iot, sc->sc_ssph, SASSP_DR, in);
680
681 delay(5000);
682 timo = 100000;
683 while(! (bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_SR) & SR_RNE))
684 if (--timo == 0) {
685 printf("timo1\n");
686 return -1;
687 }
688
689 *out = bus_space_read_4(sc->sc_iot, sc->sc_ssph, SASSP_DR);
690
691 return 0;
692 }
693
694 #if 0
695 int
696 j720kbd_cnattach()
697 {
698 /* XXX defer initialization till j720sspattach */
699
700 return (0);
701 }
702 #endif
703
704 /* ARGSUSED */
705 void
706 j720kbd_cngetc(void *v, u_int *type, int *data)
707 {
708 char buf[9];
709
710 if (j720kbdcons_initstate < 1)
711 return;
712
713 for (;;) {
714 j720kbd_read(&j720kbdcons_sc, buf);
715
716 if (buf[0] != 0) {
717 /* XXX we are discarding buffer contents */
718 *type = buf[0] & 0x80 ? WSCONS_EVENT_KEY_UP :
719 WSCONS_EVENT_KEY_DOWN;
720 *data = buf[0] & 0x7f;
721 return;
722 }
723 }
724 }
725
726 void
727 j720kbd_cnpollc(void *v, int on)
728 {
729 #if 0
730 /* XXX */
731 struct j720kbd_internal *t = v;
732
733 pckbc_set_poll(t->t_kbctag, t->t_kbcslot, on);
734 #endif
735 }
736
737 void
738 j720kbd_cnbell(void *v, u_int pitch, u_int period, u_int volume)
739 {
740 }
741
742 int
743 j720lcdpower(void *ctx, int type, long id, void *msg)
744 {
745 struct sed1356_softc *sc = ctx;
746 struct sa11x0_softc *psc = sc->sc_parent;
747 int val;
748 u_int32_t reg;
749
750 if (type != CONFIG_HOOK_POWERCONTROL ||
751 id != CONFIG_HOOK_POWERCONTROL_LCDLIGHT)
752 return 0;
753
754 sed1356_init_brightness(sc, 0);
755 sed1356_init_contrast(sc, 0);
756
757 if (msg) {
758 bus_space_write_1(sc->sc_iot, sc->sc_regh, 0x1f0, 0);
759
760 reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
761 reg |= 0x1;
762 bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
763 delay(50000);
764
765 val = sc->sc_contrast;
766 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val);
767 delay(100000);
768
769 reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
770 reg |= 0x4;
771 bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
772
773 val = sc->sc_brightness;
774 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
775
776 reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
777 reg |= 0x2;
778 bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
779 } else {
780 reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
781 reg &= ~0x2;
782 bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
783 reg &= ~0x4;
784 bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
785 delay(100000);
786
787 val = -2;
788 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
789
790 bus_space_write_1(sc->sc_iot, sc->sc_regh, 0x1f0, 1);
791
792 delay(100000);
793 reg = bus_space_read_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR);
794 reg &= ~0x1;
795 bus_space_write_4(psc->sc_iot, psc->sc_ppch, SAPPC_PSR, reg);
796 }
797 return 1;
798 }
799