wzero3_kbd.c revision 1.8 1 /* $NetBSD: wzero3_kbd.c,v 1.8 2012/10/27 17:17:52 chs Exp $ */
2
3 /*-
4 * Copyright (C) 2008, 2009, 2010 NONAKA Kimihiro <nonaka (at) netbsd.org>
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: wzero3_kbd.c,v 1.8 2012/10/27 17:17:52 chs Exp $");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/device.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/callout.h>
37 #include <sys/bus.h>
38
39 #include <dev/sysmon/sysmonvar.h>
40 #include <dev/sysmon/sysmon_taskq.h>
41
42 #include <arm/xscale/pxa2x0cpu.h>
43 #include <arm/xscale/pxa2x0var.h>
44 #include <arm/xscale/pxa2x0_gpio.h>
45
46 #include <machine/bootinfo.h>
47 #include <machine/config_hook.h>
48 #include <machine/platid.h>
49 #include <machine/platid_mask.h>
50
51 #include <dev/hpc/hpckbdvar.h>
52
53 #include <arch/hpcarm/dev/wzero3_reg.h>
54
55 #ifdef DEBUG
56 #define DPRINTF(arg) printf arg
57 #else
58 #define DPRINTF(arg) /* nothing */
59 #endif
60
61 #define CSR_READ1(r) bus_space_read_1(sc->sc_iot, sc->sc_ioh, (r))
62 #define CSR_WRITE1(r,v) bus_space_write_1(sc->sc_iot, sc->sc_ioh, (r), (v))
63 #define CSR_READ2(r) bus_space_read_2(sc->sc_iot, sc->sc_ioh, (r))
64 #define CSR_WRITE2(r,v) bus_space_write_2(sc->sc_iot, sc->sc_ioh, (r), (v))
65 #define CSR_READ4(r) bus_space_read_4(sc->sc_iot, sc->sc_ioh, (r))
66 #define CSR_WRITE4(r,v) bus_space_write_4(sc->sc_iot, sc->sc_ioh, (r), (v))
67
68 /* register */
69 #define KBDCOL_L (0x00) /* Write */
70 #define KBDCOL_U (0x04) /* Write */
71 #define KBDCHARGE (0x08) /* Write */
72 #define KBDDATA (0x08) /* Read */
73 #define REGMAPSIZE 0x0c
74
75 #define KEYWAIT 20 /* us */
76
77 #define WS003SH_NCOLUMN 12
78 #define WS003SH_NROW 7
79
80 struct wzero3kbd_softc {
81 device_t sc_dev;
82
83 bus_space_tag_t sc_iot;
84 bus_space_handle_t sc_ioh;
85
86 int sc_ncolumn;
87 int sc_nrow;
88 uint8_t *sc_okeystat;
89 uint8_t *sc_keystat;
90
91 void *sc_key_ih;
92 void *sc_power_ih;
93 void *sc_reset_ih;
94
95 int sc_key_pin;
96 int sc_power_pin;
97 int sc_reset_pin;
98
99 struct hpckbd_ic_if sc_if;
100 struct hpckbd_if *sc_hpckbd;
101
102 struct sysmon_pswitch sc_smpsw; /* for reset key */
103
104 int sc_enabled;
105
106 /* polling stuff */
107 struct callout sc_keyscan_ch;
108 int sc_interval;
109 #define KEY_INTERVAL 50 /* ms */
110
111 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4) || defined(KEYTEST5)
112 void *sc_test_ih;
113 int sc_test_pin;
114 int sc_nouse_pin;
115 int sc_nouse_pin2;
116 int sc_nouse_pin3;
117 int sc_bit;
118 #endif
119 };
120
121 static int wzero3kbd_match(device_t, cfdata_t, void *);
122 static void wzero3kbd_attach(device_t, device_t, void *);
123
124 CFATTACH_DECL_NEW(wzero3kbd, sizeof(struct wzero3kbd_softc),
125 wzero3kbd_match, wzero3kbd_attach, NULL, NULL);
126
127 static int wzero3kbd_intr(void *arg);
128 #if defined(KEYTEST)
129 static int wzero3kbd_intr2(void *arg);
130 #endif
131 #if defined(KEYTEST3)
132 static int wzero3kbd_intr3(void *arg);
133 #endif
134 static void wzero3kbd_tick(void *arg);
135 static int wzero3kbd_power_intr(void *arg);
136 static int wzero3kbd_reset_intr(void *arg);
137 static int wzero3kbd_input_establish(void *arg, struct hpckbd_if *kbdif);
138 static void wzero3kbd_sysmon_reset_event(void *arg);
139 static int wzero3kbd_poll(void *arg);
140 static int wzero3kbd_poll1(void *arg);
141
142 /*
143 * WS003SH/WS004SH/WS007SH keyscan map
144 col#0 col#1 col#2 col#3 col#4 col#5 col#6 col#7 col#8 col#9 col#10 col#11
145 row#0: CTRL 1 3 5 6 7 9 0 BS (none) ROTATE CAMERA
146 row#1: (none) 2 4 r y 8 i o p (none) VOL- VOL+
147 row#2: TAB q e t g u j k (none) (none) (none) (none)
148 row#3: (none) w s f v h m l (none) (none) SHIFT (none)
149 row#4: CALL a d c b n . (none) ENTER (none) WIN (none)
150 row#5: MAIL z x - SPACE / (none) UP (none) (none) LSOFT FN
151 row#6: IE MOJI (none) OK ACTION , LEFT DOWN RIGHT (none) RSOFT (none)
152 */
153
154 /*
155 * WS011SH keyscan map
156 col#0 col#1 col#2 col#3 col#4 col#5 col#6 col#7 col#8 col#9 col#10 col#11
157 row#0 Ctrl (none) (none) (none) (none) (none) (none) (none) Del (none) ROTATE (none)
158 row#1 (none) (none) (none) R Y (none) I O P (none) (none) (none)
159 row#2 Tab Q E T G U J K (none) (none) (none) (none)
160 row#3 (none) W S F V H M L (none) (none) Shift (none)
161 row#4 (none) A D C B N . (none) Enter (none) (none) (none)
162 row#5 (none) Z X - Space / (none) UP (none) (none) (none) Fn
163 row#6 (none) MOJI HAN/ZEN OK (none) , LEFT DOWN RIGHT (none) (none) (none)
164 */
165
166 /*
167 * WS020SH keyscan map
168 col#0 col#1 col#2 col#3 col#4 col#5 col#6 col#7 col#8 col#9 col#10 col#11
169 row#0 Ctrl (none) (none) (none) (none) (none) (none) (none) Del (none) ROTATE (none)
170 row#1 (none) (none) (none) R Y (none) I O P (none) MEDIA (none)
171 row#2 Tab Q E T G U J K (none) (none) (none) (none)
172 row#3 (none) W S F V H M L (none) (none) LShift (none)
173 row#4 (none) A D C B N . (none) Enter (none) RShift (none)
174 row#5 (none) Z X - Space / (none) UP (none) DOWN (none) Fn
175 row#6 (none) MOJI HAN/ZEN OK (none) , LEFT (none) RIGHT (none) (none) (none)
176 */
177
178 static const struct wzero3kbd_model {
179 platid_mask_t *platid;
180 int key_pin;
181 int power_pin;
182 int reset_pin;
183 int ncolumn;
184 int nrow;
185 } wzero3kbd_table[] = {
186 /* WS003SH */
187 {
188 &platid_mask_MACH_SHARP_WZERO3_WS003SH,
189 -1, /* XXX */
190 GPIO_WS003SH_POWER_BUTTON,
191 -1, /* None */
192 WS003SH_NCOLUMN,
193 WS003SH_NROW,
194 },
195 /* WS004SH */
196 {
197 &platid_mask_MACH_SHARP_WZERO3_WS004SH,
198 -1, /* XXX */
199 GPIO_WS003SH_POWER_BUTTON,
200 -1, /* None */
201 WS003SH_NCOLUMN,
202 WS003SH_NROW,
203 },
204 /* WS007SH */
205 {
206 &platid_mask_MACH_SHARP_WZERO3_WS007SH,
207 -1, /* XXX */
208 GPIO_WS007SH_POWER_BUTTON,
209 GPIO_WS007SH_RESET_BUTTON,
210 WS003SH_NCOLUMN,
211 WS003SH_NROW,
212 },
213 /* WS011SH */
214 {
215 &platid_mask_MACH_SHARP_WZERO3_WS011SH,
216 -1, /* XXX */
217 GPIO_WS011SH_POWER_BUTTON,
218 GPIO_WS011SH_RESET_BUTTON,
219 WS003SH_NCOLUMN,
220 WS003SH_NROW,
221 },
222 /* WS020SH */
223 {
224 &platid_mask_MACH_SHARP_WZERO3_WS020SH,
225 -1, /* XXX */
226 GPIO_WS020SH_POWER_BUTTON,
227 GPIO_WS020SH_RESET_BUTTON,
228 WS003SH_NCOLUMN,
229 WS003SH_NROW,
230 },
231
232 { NULL, -1, -1, -1, 0, 0, }
233 };
234
235 static const struct wzero3kbd_model *
236 wzero3kbd_lookup(void)
237 {
238 const struct wzero3kbd_model *model;
239
240 for (model = wzero3kbd_table; model->platid != NULL; model++) {
241 if (platid_match(&platid, model->platid)) {
242 return model;
243 }
244 }
245 return NULL;
246 }
247
248 static int
249 wzero3kbd_match(device_t parent, cfdata_t cf, void *aux)
250 {
251
252 if (strcmp(cf->cf_name, "wzero3kbd") != 0)
253 return 0;
254 if (wzero3kbd_lookup() == NULL)
255 return 0;
256 return 1;
257 }
258
259 static void
260 wzero3kbd_attach(device_t parent, device_t self, void *aux)
261 {
262 struct wzero3kbd_softc *sc = device_private(self);
263 struct pxaip_attach_args *pxa = (struct pxaip_attach_args *)aux;
264 struct hpckbd_attach_args haa;
265 const struct wzero3kbd_model *model;
266
267 sc->sc_dev = self;
268
269 model = wzero3kbd_lookup();
270 if (model == NULL) {
271 aprint_error(": unknown model\n");
272 return;
273 }
274
275 aprint_normal(": keyboard\n");
276 aprint_naive("\n");
277
278 sc->sc_key_pin = model->key_pin;
279 sc->sc_power_pin = model->power_pin;
280 sc->sc_reset_pin = model->reset_pin;
281 sc->sc_ncolumn = model->ncolumn;
282 sc->sc_nrow = model->nrow;
283
284 sc->sc_iot = pxa->pxa_iot;
285 if (bus_space_map(sc->sc_iot, PXA2X0_CS2_START, REGMAPSIZE, 0,
286 &sc->sc_ioh)) {
287 aprint_error_dev(self, "couldn't map registers.\n");
288 return;
289 }
290
291 sc->sc_okeystat = malloc(sc->sc_nrow * sc->sc_ncolumn, M_DEVBUF,
292 M_NOWAIT | M_ZERO);
293 sc->sc_keystat = malloc(sc->sc_nrow * sc->sc_ncolumn, M_DEVBUF,
294 M_NOWAIT | M_ZERO);
295 if (sc->sc_okeystat == NULL || sc->sc_keystat == NULL) {
296 aprint_error_dev(self, "couldn't alloc memory.\n");
297 if (sc->sc_okeystat)
298 free(sc->sc_okeystat, M_DEVBUF);
299 if (sc->sc_keystat)
300 free(sc->sc_keystat, M_DEVBUF);
301 return;
302 }
303
304 sc->sc_if.hii_ctx = sc;
305 sc->sc_if.hii_establish = wzero3kbd_input_establish;
306 sc->sc_if.hii_poll = wzero3kbd_poll;
307
308 /* Attach console if not using serial. */
309 if (!(bootinfo->bi_cnuse & BI_CNUSE_SERIAL))
310 hpckbd_cnattach(&sc->sc_if);
311
312 /* Install interrupt handler. */
313 if (sc->sc_key_pin >= 0) {
314 pxa2x0_gpio_set_function(sc->sc_key_pin, GPIO_IN);
315 sc->sc_key_ih = pxa2x0_gpio_intr_establish(sc->sc_key_pin,
316 IST_EDGE_BOTH, IPL_TTY, wzero3kbd_intr, sc);
317 if (sc->sc_key_ih == NULL) {
318 aprint_error_dev(sc->sc_dev,
319 "couldn't establish key interrupt\n");
320 }
321 } else {
322 sc->sc_interval = KEY_INTERVAL / (1000 / hz);
323 if (sc->sc_interval < 1)
324 sc->sc_interval = 1;
325 callout_init(&sc->sc_keyscan_ch, 0);
326 callout_reset(&sc->sc_keyscan_ch, sc->sc_interval,
327 wzero3kbd_tick, sc);
328 }
329
330 /* power key */
331 if (sc->sc_power_pin >= 0) {
332 pxa2x0_gpio_set_function(sc->sc_power_pin, GPIO_IN);
333 sc->sc_power_ih = pxa2x0_gpio_intr_establish(
334 sc->sc_power_pin, IST_EDGE_BOTH, IPL_TTY,
335 wzero3kbd_power_intr, sc);
336 if (sc->sc_power_ih == NULL) {
337 aprint_error_dev(sc->sc_dev,
338 "couldn't establish power key interrupt\n");
339 }
340 }
341
342 /* reset button */
343 if (sc->sc_reset_pin >= 0) {
344 pxa2x0_gpio_set_function(sc->sc_reset_pin, GPIO_IN);
345 sc->sc_reset_ih = pxa2x0_gpio_intr_establish(
346 sc->sc_reset_pin, IST_EDGE_BOTH, IPL_TTY,
347 wzero3kbd_reset_intr, sc);
348 if (sc->sc_reset_ih == NULL) {
349 aprint_error_dev(sc->sc_dev,
350 "couldn't establish reset key interrupt\n");
351 }
352
353 sc->sc_smpsw.smpsw_name = device_xname(self);
354 sc->sc_smpsw.smpsw_type = PSWITCH_TYPE_RESET;
355 if (sysmon_pswitch_register(&sc->sc_smpsw) != 0) {
356 aprint_error_dev(sc->sc_dev,
357 "unable to register reset event handler\n");
358 }
359 }
360
361 /* Attach hpckbd. */
362 haa.haa_ic = &sc->sc_if;
363 config_found(self, &haa, hpckbd_print);
364
365 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4) || defined(KEYTEST5)
366 sc->sc_test_ih = NULL;
367 sc->sc_test_pin = -1;
368 sc->sc_nouse_pin = -1;
369 sc->sc_nouse_pin2 = -1;
370 sc->sc_nouse_pin3 = -1;
371 sc->sc_bit = 0x01;
372 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS003SH)
373 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS004SH)) {
374 sc->sc_nouse_pin = GPIO_WS003SH_SD_DETECT; /* SD_DETECT */
375 sc->sc_nouse_pin2 = 86; /* Vsync? */
376 sc->sc_nouse_pin3 = 89; /* RESET? */
377 }
378 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH)) {
379 sc->sc_nouse_pin = GPIO_WS007SH_SD_DETECT; /* SD_DETECT */
380 sc->sc_nouse_pin2 = 77; /* Vsync? */
381 }
382 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH)) {
383 sc->sc_nouse_pin = GPIO_WS011SH_SD_DETECT; /* SD_DETECT */
384 sc->sc_nouse_pin2 = 77; /* Vsync? */
385 }
386 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS020SH)) {
387 sc->sc_nouse_pin = GPIO_WS020SH_SD_DETECT; /* SD_DETECT */
388 sc->sc_nouse_pin2 = 77; /* Vsync? */
389 }
390
391 #ifdef KEYTEST
392 for (sc->sc_test_pin = 2; sc->sc_test_pin < PXA270_GPIO_NPINS; sc->sc_test_pin++) {
393 if (sc->sc_test_pin != sc->sc_nouse_pin
394 && sc->sc_test_pin != sc->sc_nouse_pin2
395 && sc->sc_test_pin != sc->sc_nouse_pin3
396 && sc->sc_test_pin != sc->sc_key_pin
397 && sc->sc_test_pin != sc->sc_power_pin
398 && sc->sc_test_pin != sc->sc_reset_pin
399 && GPIO_IS_GPIO_IN(pxa2x0_gpio_get_function(sc->sc_test_pin)))
400 break;
401 }
402 if (sc->sc_test_pin < PXA270_GPIO_NPINS) {
403 printf("GPIO_IN: GPIO pin #%d\n", sc->sc_test_pin);
404 sc->sc_test_ih = pxa2x0_gpio_intr_establish(sc->sc_test_pin,
405 IST_EDGE_BOTH, IPL_TTY, wzero3kbd_intr2, sc);
406 } else {
407 sc->sc_test_pin = -1;
408 }
409 #endif
410
411 #ifdef KEYTEST3
412 {
413 int i;
414 printf("pin: ");
415 for (i = 0; i < PXA270_GPIO_NPINS; i++) {
416 if (i == sc->sc_nouse_pin
417 || i == sc->sc_nouse_pin2
418 || i == sc->sc_nouse_pin3
419 || i == sc->sc_key_pin
420 || i == sc->sc_power_pin
421 || i == sc->sc_reset_pin)
422 continue;
423
424 printf("%d, ", i);
425 if (GPIO_IS_GPIO_IN(pxa2x0_gpio_get_function(i))) {
426 pxa2x0_gpio_intr_establish(i, IST_EDGE_BOTH,
427 IPL_TTY, wzero3kbd_intr3, (void *)(long)i);
428 }
429 }
430 }
431 #endif
432
433 #ifdef KEYTEST4
434 for (sc->sc_test_pin = 2; sc->sc_test_pin < PXA270_GPIO_NPINS; sc->sc_test_pin++) {
435 if (sc->sc_test_pin != sc->sc_nouse_pin
436 && sc->sc_test_pin != sc->sc_nouse_pin2
437 && sc->sc_test_pin != sc->sc_nouse_pin3
438 && sc->sc_test_pin != sc->sc_key_pin
439 && sc->sc_test_pin != sc->sc_power_pin
440 && sc->sc_test_pin != sc->sc_reset_pin
441 && GPIO_IS_GPIO_OUT(pxa2x0_gpio_get_function(sc->sc_test_pin)))
442 break;
443 }
444 if (sc->sc_test_pin < PXA270_GPIO_NPINS) {
445 printf("GPIO_OUT: GPIO pin #%d\n", sc->sc_test_pin);
446 } else {
447 sc->sc_test_pin = -1;
448 }
449 #endif
450 #ifdef KEYTEST5
451 sc->sc_test_pin = 0x00;
452 sc->sc_bit = 0x01;
453 #endif
454 #endif
455 }
456
457 static int
458 wzero3kbd_intr(void *arg)
459 {
460 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
461
462 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4) || defined(KEYTEST5)
463 printf("wzero3kbd_intr: GPIO pin #%d = %s\n", sc->sc_key_pin,
464 pxa2x0_gpio_get_bit(sc->sc_key_pin) ? "on" : "off");
465 #endif
466
467 #if defined(KEYTEST4)
468 if (sc->sc_test_pin >= 0) {
469 if (pxa2x0_gpio_get_bit(sc->sc_test_pin)) {
470 printf("GPIO_OUT: GPIO pin #%d: L\n",sc->sc_test_pin);
471 pxa2x0_gpio_clear_bit(sc->sc_test_pin);
472 } else {
473 printf("GPIO_OUT: GPIO pin #%d: H\n", sc->sc_test_pin);
474 pxa2x0_gpio_set_bit(sc->sc_test_pin);
475 }
476 }
477 #endif
478 #if defined(KEYTEST5)
479 printf("CPLD(%#x): value=%#x, mask=%#x\n",
480 sc->sc_test_pin, CSR_READ4(sc->sc_test_pin), sc->sc_bit);
481 if (CSR_READ4(sc->sc_test_pin) & sc->sc_bit) {
482 printf("CPLD_OUT: CPLD: L\n");
483 CSR_WRITE4(sc->sc_test_pin,
484 CSR_READ4(sc->sc_test_pin) & ~sc->sc_bit);
485 } else {
486 printf("CPLD_OUT: CPLD: H\n");
487 CSR_WRITE4(sc->sc_test_pin,
488 CSR_READ4(sc->sc_test_pin) | sc->sc_bit);
489 }
490 #endif
491
492 (void) wzero3kbd_poll1(sc);
493
494 pxa2x0_gpio_clear_intr(sc->sc_key_pin);
495
496 return 1;
497 }
498
499 #if defined(KEYTEST)
500 static int
501 wzero3kbd_intr2(void *arg)
502 {
503 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
504
505 printf("wzero3kbd_intr2: GPIO_IN: GPIO pin #%d = %s\n", sc->sc_test_pin,
506 pxa2x0_gpio_get_bit(sc->sc_test_pin) ? "on" : "off");
507
508 return 1;
509 }
510 #endif
511
512 #if defined(KEYTEST3)
513 static int
514 wzero3kbd_intr3(void *arg)
515 {
516 int pin = (int)arg;
517
518 printf("wzero3kbd_intr3: GPIO pin #%d = %s\n", pin,
519 pxa2x0_gpio_get_bit(pin) ? "on" : "off");
520
521 return 1;
522 }
523 #endif
524
525
526 static void
527 wzero3kbd_tick(void *arg)
528 {
529 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
530
531 (void) wzero3kbd_poll1(sc);
532
533 callout_schedule(&sc->sc_keyscan_ch, sc->sc_interval);
534 }
535
536 static int
537 wzero3kbd_power_intr(void *arg)
538 {
539 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
540
541 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4)
542 printf("wzero3kbd_power_intr: status = %s\n",
543 pxa2x0_gpio_get_bit(sc->sc_power_pin) ? "on" : "off");
544 #endif
545
546 #if defined(KEYTEST)
547 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) {
548 if (sc->sc_test_pin >= 0) {
549 int orig_pin = sc->sc_test_pin;
550 pxa2x0_gpio_intr_disestablish(sc->sc_test_ih);
551 sc->sc_test_ih = NULL;
552
553 for (;;) {
554 if (++sc->sc_test_pin >= PXA270_GPIO_NPINS)
555 sc->sc_test_pin = 2;
556 if (sc->sc_test_pin == orig_pin)
557 break;
558 if (sc->sc_test_pin != sc->sc_nouse_pin
559 && sc->sc_test_pin != sc->sc_nouse_pin2
560 && sc->sc_test_pin != sc->sc_nouse_pin3
561 && sc->sc_test_pin != sc->sc_key_pin
562 && sc->sc_test_pin != sc->sc_power_pin
563 && sc->sc_test_pin != sc->sc_reset_pin
564 && GPIO_IS_GPIO_IN(pxa2x0_gpio_get_function(sc->sc_test_pin)))
565 break;
566 }
567 if (sc->sc_test_pin != orig_pin) {
568 printf("GPIO_IN: GPIO pin #%d\n",
569 sc->sc_test_pin);
570 sc->sc_test_ih =
571 pxa2x0_gpio_intr_establish(sc->sc_test_pin,
572 IST_EDGE_BOTH, IPL_TTY, wzero3kbd_intr2,sc);
573 } else {
574 sc->sc_test_pin = -1;
575 }
576 }
577 }
578 #endif
579
580 #if defined(KEYTEST2)
581 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) {
582 sc->sc_enabled ^= 2;
583 if (sc->sc_enabled & 2) {
584 printf("print col/row\n");
585 } else {
586 printf("keyscan\n");
587 }
588 }
589 #endif
590 #if defined(KEYTEST4)
591 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) {
592 if (sc->sc_test_pin >= 0) {
593 int orig_pin = sc->sc_test_pin;
594 for (;;) {
595 if (++sc->sc_test_pin >= PXA270_GPIO_NPINS)
596 sc->sc_test_pin = 2;
597 if (sc->sc_test_pin == orig_pin)
598 break;
599 if (sc->sc_test_pin != sc->sc_nouse_pin
600 && sc->sc_test_pin != sc->sc_nouse_pin2
601 && sc->sc_test_pin != sc->sc_nouse_pin3
602 && sc->sc_test_pin != sc->sc_key_pin
603 && sc->sc_test_pin != sc->sc_power_pin
604 && sc->sc_test_pin != sc->sc_reset_pin
605 && GPIO_IS_GPIO_OUT(pxa2x0_gpio_get_function(sc->sc_test_pin)))
606 break;
607 }
608 if (sc->sc_test_pin != orig_pin) {
609 printf("GPIO_OUT: GPIO pin #%d\n", sc->sc_test_pin);
610 } else {
611 sc->sc_test_pin = -1;
612 }
613 }
614 }
615 #endif
616 #if defined(KEYTEST5)
617 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) {
618 sc->sc_bit <<= 1;
619 if (sc->sc_bit & ~0xff) {
620 sc->sc_bit = 0x01;
621 sc->sc_test_pin += 0x4;
622 if (sc->sc_test_pin >= 0x20) {
623 sc->sc_test_pin = 0x00;
624 }
625 }
626 printf("CPLD(%#x), mask=%#x\n", sc->sc_test_pin, sc->sc_bit);
627 }
628 #endif
629
630 pxa2x0_gpio_clear_intr(sc->sc_power_pin);
631
632 return 1;
633 }
634
635 static int
636 wzero3kbd_reset_intr(void *arg)
637 {
638 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
639
640 sysmon_task_queue_sched(0, wzero3kbd_sysmon_reset_event, sc);
641
642 pxa2x0_gpio_clear_intr(sc->sc_reset_pin);
643
644 return 1;
645 }
646
647 static int
648 wzero3kbd_input_establish(void *arg, struct hpckbd_if *kbdif)
649 {
650 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
651
652 /* Save hpckbd interface. */
653 sc->sc_hpckbd = kbdif;
654 sc->sc_enabled = 1;
655
656 return 0;
657 }
658
659 static void
660 wzero3kbd_sysmon_reset_event(void *arg)
661 {
662 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
663
664 sysmon_pswitch_event(&sc->sc_smpsw, PSWITCH_EVENT_PRESSED);
665 }
666
667 static int
668 wzero3kbd_poll(void *arg)
669 {
670 int keydown;
671
672 keydown = wzero3kbd_poll1(arg);
673
674 return keydown;
675 }
676
677 static int
678 wzero3kbd_poll1(void *arg)
679 {
680 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg;
681 int row, col, data;
682 int keycol;
683 int keydown;
684 int i;
685 int s;
686
687 if (!sc->sc_enabled) {
688 DPRINTF(("wzero3kbd_poll: disabled\n"));
689 return 0;
690 }
691
692 s = spltty();
693
694 for (col = 0; col < sc->sc_ncolumn; col++) {
695 /* deselect column# and charge */
696 CSR_WRITE1(KBDCOL_L, 0);
697 CSR_WRITE1(KBDCOL_U, 0);
698 CSR_WRITE1(KBDCHARGE, 1);
699 delay(KEYWAIT);
700 CSR_WRITE1(KBDCHARGE, 0);
701
702 /* select scan column# */
703 keycol = 1 << col;
704 CSR_WRITE1(KBDCOL_L, keycol & 0xff);
705 CSR_WRITE1(KBDCOL_U, keycol >> 8);
706 delay(KEYWAIT);
707 CSR_WRITE1(KBDCHARGE, 0);
708
709 /* read key data */
710 data = CSR_READ1(KBDDATA);
711 for (row = 0; row < sc->sc_nrow; row++) {
712 #ifdef KEYTEST2
713 if (!(sc->sc_enabled & 2)) {
714 #endif
715 sc->sc_keystat[row + col * sc->sc_nrow] =
716 (data >> row) & 1;
717 #ifdef KEYTEST2
718 } else if (data & (1 << row)) {
719 printf("col = %d, row = %d, idx = %d, data = 0x%02x\n", col, row, row + col * sc->sc_nrow, data);
720 }
721 #endif
722 }
723 }
724
725 /* deselect column# and charge */
726 CSR_WRITE1(KBDCOL_L, 0);
727 CSR_WRITE1(KBDCOL_U, 0);
728 CSR_WRITE1(KBDCHARGE, 1);
729 delay(KEYWAIT);
730 CSR_WRITE1(KBDCHARGE, 0);
731
732 /* send key scan code */
733 keydown = 0;
734 for (i = 0; i < sc->sc_nrow * sc->sc_ncolumn; i++) {
735 if (sc->sc_keystat[i] == sc->sc_okeystat[i])
736 continue;
737
738 keydown |= sc->sc_keystat[i];
739 hpckbd_input(sc->sc_hpckbd, sc->sc_keystat[i], i);
740 sc->sc_okeystat[i] = sc->sc_keystat[i];
741 }
742
743 splx(s);
744
745 return keydown;
746 }
747