wzero3_kbd.c revision 1.1
1 /* $NetBSD: wzero3_kbd.c,v 1.1 2010/04/17 13:36:21 nonaka Exp $ */ 2 3 /* 4 * Copyright (c) 2008, 2009 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 REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: wzero3_kbd.c,v 1.1 2010/04/17 13:36:21 nonaka Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 #include <sys/kernel.h> 36 #include <sys/malloc.h> 37 #include <sys/callout.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/bus.h> 47 #include <machine/bootinfo.h> 48 #include <machine/config_hook.h> 49 #include <machine/platid.h> 50 #include <machine/platid_mask.h> 51 52 #include <dev/hpc/hpckbdvar.h> 53 54 #include <arch/hpcarm/dev/wzero3_reg.h> 55 56 #ifdef DEBUG 57 #define DPRINTF(arg) printf arg 58 #else 59 #define DPRINTF(arg) /* nothing */ 60 #endif 61 62 #define CSR_READ1(r) bus_space_read_1(sc->sc_iot, sc->sc_ioh, (r)) 63 #define CSR_WRITE1(r,v) bus_space_write_1(sc->sc_iot, sc->sc_ioh, (r), (v)) 64 #define CSR_READ2(r) bus_space_read_2(sc->sc_iot, sc->sc_ioh, (r)) 65 #define CSR_WRITE2(r,v) bus_space_write_2(sc->sc_iot, sc->sc_ioh, (r), (v)) 66 #define CSR_READ4(r) bus_space_read_4(sc->sc_iot, sc->sc_ioh, (r)) 67 #define CSR_WRITE4(r,v) bus_space_write_4(sc->sc_iot, sc->sc_ioh, (r), (v)) 68 69 /* register */ 70 #define KBDCOL_L (0x00) /* Write */ 71 #define KBDCOL_U (0x04) /* Write */ 72 #define KBDCHARGE (0x08) /* Write */ 73 #define KBDDATA (0x08) /* Read */ 74 #define REGMAPSIZE 0x0c 75 76 #define KEYWAIT 20 /* us */ 77 78 #define WS003SH_NCOLUMN 12 79 #define WS003SH_NROW 7 80 81 struct wzero3kbd_softc { 82 device_t sc_dev; 83 84 bus_space_tag_t sc_iot; 85 bus_space_handle_t sc_ioh; 86 87 int sc_ncolumn; 88 int sc_nrow; 89 uint8_t *sc_okeystat; 90 uint8_t *sc_keystat; 91 92 void *sc_key_ih; 93 void *sc_power_ih; 94 void *sc_reset_ih; 95 96 int sc_key_pin; 97 int sc_power_pin; 98 int sc_reset_pin; 99 100 struct hpckbd_ic_if sc_if; 101 struct hpckbd_if *sc_hpckbd; 102 103 struct sysmon_pswitch sc_smpsw; /* for reset key */ 104 105 int sc_enabled; 106 107 /* polling stuff */ 108 struct callout sc_keyscan_ch; 109 int sc_interval; 110 int sc_stable_count; 111 #define KEY_INTERVAL 50 /* ms */ 112 #define STABLE_COUNT 2 113 114 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4) || defined(KEYTEST5) 115 void *sc_test_ih; 116 int sc_test_pin; 117 int sc_nouse_pin; 118 int sc_nouse_pin2; 119 int sc_nouse_pin3; 120 int sc_bit; 121 #endif 122 }; 123 124 static int wzero3kbd_match(device_t, cfdata_t, void *); 125 static void wzero3kbd_attach(device_t, device_t, void *); 126 127 CFATTACH_DECL_NEW(wzero3kbd, sizeof(struct wzero3kbd_softc), 128 wzero3kbd_match, wzero3kbd_attach, NULL, NULL); 129 130 static int wzero3kbd_intr(void *arg); 131 #if defined(KEYTEST) 132 static int wzero3kbd_intr2(void *arg); 133 #endif 134 #if defined(KEYTEST3) 135 static int wzero3kbd_intr3(void *arg); 136 #endif 137 static void wzero3kbd_tick(void *arg); 138 static int wzero3kbd_power_intr(void *arg); 139 static int wzero3kbd_reset_intr(void *arg); 140 static int wzero3kbd_input_establish(void *arg, struct hpckbd_if *kbdif); 141 static void wzero3kbd_sysmon_reset_event(void *arg); 142 static int wzero3kbd_poll(void *arg); 143 static int wzero3kbd_poll1(void *arg); 144 145 /* 146 * WS003SH keyscan map 147 col#0 col#1 col#2 col#3 col#4 col#5 col#6 col#7 col#8 col#9 col#10 col#11 148 row#0: CTRL 1 3 5 6 7 9 0 BS (none) ROTATE CAMERA 149 row#1: (none) 2 4 r y 8 i o p (none) VOL- VOL+ 150 row#2: TAB q e t g u j k (none) (none) (none) (none) 151 row#3: (none) w s f v h m l (none) (none) SHIFT (none) 152 row#4: CALL a d c b n . (none) ENTER (none) WIN (none) 153 row#5: MAIL z x - SPACE / (none) UP (none) (none) LSOFT FN 154 row#6: IE MOJI (none) OK ACTION , LEFT DOWN RIGHT (none) RSOFT (none) 155 */ 156 157 /* 158 * WS011SH keyscan map 159 col#0 col#1 col#2 col#3 col#4 col#5 col#6 col#7 col#8 col#9 col#10 col#11 160 row#0 Ctrl (none) (none) (none) (none) (none) (none) (none) Del (none) ROTATE (none) 161 row#1 (none) (none) (none) R Y (none) I O (none) (none) (none) (none) 162 row#2 Tab Q E T G U J K (none) (none) (none) (none) 163 row#3 (none) W S F V H M L (none) (none) Shift (none) 164 row#4 (none) A D C B N . (none) Enter (none) (none) (none) 165 row#5 (none) Z X - Space / (none) UP (none) (none) (none) (none) 166 row#6 (none) MOJI HAN/ZEN OK (none) , LEFT DOWN RIGHT (none) Fn (none) 167 */ 168 169 static const struct wzero3kbd_model { 170 platid_mask_t *platid; 171 int key_pin; 172 int power_pin; 173 int reset_pin; 174 int ncolumn; 175 int nrow; 176 } wzero3kbd_table[] = { 177 /* WS003SH */ 178 { 179 &platid_mask_MACH_SHARP_WZERO3_WS003SH, 180 -1, /* XXX */ 181 GPIO_WS003SH_POWER_BUTTON, 182 -1, /* None */ 183 WS003SH_NCOLUMN, 184 WS003SH_NROW, 185 }, 186 /* WS004SH */ 187 { 188 &platid_mask_MACH_SHARP_WZERO3_WS004SH, 189 -1, /* XXX */ 190 GPIO_WS003SH_POWER_BUTTON, 191 -1, /* None */ 192 WS003SH_NCOLUMN, 193 WS003SH_NROW, 194 }, 195 /* WS007SH */ 196 { 197 &platid_mask_MACH_SHARP_WZERO3_WS007SH, 198 -1, /* XXX */ 199 GPIO_WS007SH_POWER_BUTTON, 200 GPIO_WS007SH_RESET_BUTTON, 201 WS003SH_NCOLUMN, 202 WS003SH_NROW, 203 }, 204 /* WS011SH */ 205 { 206 &platid_mask_MACH_SHARP_WZERO3_WS011SH, 207 -1, /* XXX */ 208 GPIO_WS011SH_POWER_BUTTON, 209 GPIO_WS011SH_RESET_BUTTON, 210 WS003SH_NCOLUMN, 211 WS003SH_NROW, 212 }, 213 /* WS020SH */ 214 { 215 &platid_mask_MACH_SHARP_WZERO3_WS020SH, 216 -1, /* XXX */ 217 -1, /* XXX */ 218 -1, /* XXX */ 219 WS003SH_NCOLUMN, 220 WS003SH_NROW, 221 }, 222 223 { NULL, -1, -1, -1, 0, 0, } 224 }; 225 226 static const struct wzero3kbd_model * 227 wzero3kbd_lookup(void) 228 { 229 const struct wzero3kbd_model *model; 230 231 for (model = wzero3kbd_table; model->platid != NULL; model++) { 232 if (platid_match(&platid, model->platid)) { 233 return model; 234 } 235 } 236 return NULL; 237 } 238 239 static int 240 wzero3kbd_match(struct device *parent, struct cfdata *cf, void *aux) 241 { 242 243 if (strcmp(cf->cf_name, "wzero3kbd") != 0) 244 return 0; 245 if (wzero3kbd_lookup() == NULL) 246 return 0; 247 return 1; 248 } 249 250 static void 251 wzero3kbd_attach(struct device *parent, struct device *self, void *aux) 252 { 253 struct wzero3kbd_softc *sc = device_private(self); 254 struct pxaip_attach_args *pxa = (struct pxaip_attach_args *)aux; 255 struct hpckbd_attach_args haa; 256 const struct wzero3kbd_model *model; 257 258 sc->sc_dev = self; 259 260 model = wzero3kbd_lookup(); 261 if (model == NULL) { 262 aprint_error(": unknown model\n"); 263 return; 264 } 265 266 aprint_normal(": keyboard\n"); 267 aprint_naive("\n"); 268 269 sc->sc_key_pin = model->key_pin; 270 sc->sc_power_pin = model->power_pin; 271 sc->sc_reset_pin = model->reset_pin; 272 sc->sc_ncolumn = model->ncolumn; 273 sc->sc_nrow = model->nrow; 274 275 sc->sc_iot = pxa->pxa_iot; 276 if (bus_space_map(sc->sc_iot, PXA2X0_CS2_START, REGMAPSIZE, 0, 277 &sc->sc_ioh)) { 278 aprint_error_dev(self, "couldn't map registers.\n"); 279 return; 280 } 281 282 sc->sc_okeystat = malloc(sc->sc_nrow * sc->sc_ncolumn, M_DEVBUF, 283 M_NOWAIT | M_ZERO); 284 sc->sc_keystat = malloc(sc->sc_nrow * sc->sc_ncolumn, M_DEVBUF, 285 M_NOWAIT | M_ZERO); 286 if (sc->sc_okeystat == NULL || sc->sc_keystat == NULL) { 287 aprint_error_dev(self, "couldn't alloc memory.\n"); 288 if (sc->sc_okeystat) 289 free(sc->sc_okeystat, M_DEVBUF); 290 if (sc->sc_keystat) 291 free(sc->sc_keystat, M_DEVBUF); 292 return; 293 } 294 295 sc->sc_if.hii_ctx = sc; 296 sc->sc_if.hii_establish = wzero3kbd_input_establish; 297 sc->sc_if.hii_poll = wzero3kbd_poll; 298 299 /* Attach console if not using serial. */ 300 if (!(bootinfo->bi_cnuse & BI_CNUSE_SERIAL)) 301 hpckbd_cnattach(&sc->sc_if); 302 303 /* Install interrupt handler. */ 304 if (sc->sc_key_pin >= 0) { 305 sc->sc_stable_count = 1; 306 pxa2x0_gpio_set_function(sc->sc_key_pin, GPIO_IN); 307 sc->sc_key_ih = pxa2x0_gpio_intr_establish(sc->sc_key_pin, 308 IST_EDGE_BOTH, IPL_TTY, wzero3kbd_intr, sc); 309 if (sc->sc_key_ih == NULL) { 310 aprint_error_dev(sc->sc_dev, 311 "couldn't establish key interrupt\n"); 312 } 313 } else { 314 sc->sc_stable_count = STABLE_COUNT; 315 sc->sc_interval = KEY_INTERVAL / (1000 / hz); 316 if (sc->sc_interval < 1) 317 sc->sc_interval = 1; 318 callout_init(&sc->sc_keyscan_ch, 0); 319 callout_reset(&sc->sc_keyscan_ch, sc->sc_interval, 320 wzero3kbd_tick, sc); 321 } 322 323 /* power key */ 324 if (sc->sc_power_pin >= 0) { 325 pxa2x0_gpio_set_function(sc->sc_power_pin, GPIO_IN); 326 sc->sc_power_ih = pxa2x0_gpio_intr_establish( 327 sc->sc_power_pin, IST_EDGE_BOTH, IPL_TTY, 328 wzero3kbd_power_intr, sc); 329 if (sc->sc_power_ih == NULL) { 330 aprint_error_dev(sc->sc_dev, 331 "couldn't establish power key interrupt\n"); 332 } 333 } 334 335 /* reset button */ 336 if (sc->sc_reset_pin >= 0) { 337 pxa2x0_gpio_set_function(sc->sc_reset_pin, GPIO_IN); 338 sc->sc_reset_ih = pxa2x0_gpio_intr_establish( 339 sc->sc_reset_pin, IST_EDGE_BOTH, IPL_TTY, 340 wzero3kbd_reset_intr, sc); 341 if (sc->sc_reset_ih == NULL) { 342 aprint_error_dev(sc->sc_dev, 343 "couldn't establish reset key interrupt\n"); 344 } 345 346 sc->sc_smpsw.smpsw_name = device_xname(self); 347 sc->sc_smpsw.smpsw_type = PSWITCH_TYPE_RESET; 348 if (sysmon_pswitch_register(&sc->sc_smpsw) != 0) { 349 aprint_error_dev(sc->sc_dev, 350 "unable to register reset event handler\n"); 351 } 352 } 353 354 /* Attach hpckbd. */ 355 haa.haa_ic = &sc->sc_if; 356 config_found(self, &haa, hpckbd_print); 357 358 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4) || defined(KEYTEST5) 359 sc->sc_test_ih = NULL; 360 sc->sc_test_pin = -1; 361 sc->sc_nouse_pin = -1; 362 sc->sc_nouse_pin2 = -1; 363 sc->sc_nouse_pin3 = -1; 364 sc->sc_bit = 0x01; 365 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS003SH) 366 || platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS004SH)) { 367 sc->sc_nouse_pin = GPIO_WS003SH_SD_DETECT; /* SD_DETECT */ 368 sc->sc_nouse_pin2 = 86; /* Vsync? */ 369 sc->sc_nouse_pin3 = 89; /* RESET? */ 370 } 371 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS007SH)) { 372 sc->sc_nouse_pin = GPIO_WS007SH_SD_DETECT; /* SD_DETECT */ 373 sc->sc_nouse_pin2 = 77; /* Vsync? */ 374 } 375 if (platid_match(&platid, &platid_mask_MACH_SHARP_WZERO3_WS011SH)) { 376 sc->sc_nouse_pin = GPIO_WS011SH_SD_DETECT; /* SD_DETECT */ 377 sc->sc_nouse_pin2 = 77; /* Vsync? */ 378 } 379 380 #ifdef KEYTEST 381 for (sc->sc_test_pin = 2; sc->sc_test_pin < PXA270_GPIO_NPINS; sc->sc_test_pin++) { 382 if (sc->sc_test_pin != sc->sc_nouse_pin 383 && sc->sc_test_pin != sc->sc_nouse_pin2 384 && sc->sc_test_pin != sc->sc_nouse_pin3 385 && sc->sc_test_pin != sc->sc_key_pin 386 && sc->sc_test_pin != sc->sc_power_pin 387 && sc->sc_test_pin != sc->sc_reset_pin 388 && GPIO_IS_GPIO_IN(pxa2x0_gpio_get_function(sc->sc_test_pin))) 389 break; 390 } 391 if (sc->sc_test_pin < PXA270_GPIO_NPINS) { 392 printf("GPIO_IN: GPIO pin #%d\n", sc->sc_test_pin); 393 sc->sc_test_ih = pxa2x0_gpio_intr_establish(sc->sc_test_pin, 394 IST_EDGE_BOTH, IPL_TTY, wzero3kbd_intr2, sc); 395 } else { 396 sc->sc_test_pin = -1; 397 } 398 #endif 399 400 #ifdef KEYTEST3 401 { 402 int i; 403 printf("pin: "); 404 for (i = 0; i < PXA270_GPIO_NPINS; i++) { 405 if (i == sc->sc_nouse_pin 406 || i == sc->sc_nouse_pin2 407 || i == sc->sc_nouse_pin3 408 || i == sc->sc_key_pin 409 || i == sc->sc_power_pin 410 || i == sc->sc_reset_pin) 411 continue; 412 413 printf("%d, ", i); 414 if (GPIO_IS_GPIO_IN(pxa2x0_gpio_get_function(i))) { 415 pxa2x0_gpio_intr_establish(i, IST_EDGE_BOTH, 416 IPL_TTY, wzero3kbd_intr3, (void *)(long)i); 417 } 418 } 419 } 420 #endif 421 422 #ifdef KEYTEST4 423 for (sc->sc_test_pin = 2; sc->sc_test_pin < PXA270_GPIO_NPINS; sc->sc_test_pin++) { 424 if (sc->sc_test_pin != sc->sc_nouse_pin 425 && sc->sc_test_pin != sc->sc_nouse_pin2 426 && sc->sc_test_pin != sc->sc_nouse_pin3 427 && sc->sc_test_pin != sc->sc_key_pin 428 && sc->sc_test_pin != sc->sc_power_pin 429 && sc->sc_test_pin != sc->sc_reset_pin 430 && GPIO_IS_GPIO_OUT(pxa2x0_gpio_get_function(sc->sc_test_pin))) 431 break; 432 } 433 if (sc->sc_test_pin < PXA270_GPIO_NPINS) { 434 printf("GPIO_OUT: GPIO pin #%d\n", sc->sc_test_pin); 435 } else { 436 sc->sc_test_pin = -1; 437 } 438 #endif 439 #ifdef KEYTEST5 440 sc->sc_test_pin = 0x00; 441 sc->sc_bit = 0x01; 442 #endif 443 #endif 444 } 445 446 static int 447 wzero3kbd_intr(void *arg) 448 { 449 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 450 451 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4) || defined(KEYTEST5) 452 printf("wzero3kbd_intr: GPIO pin #%d = %s\n", sc->sc_key_pin, 453 pxa2x0_gpio_get_bit(sc->sc_key_pin) ? "on" : "off"); 454 #endif 455 456 #if defined(KEYTEST4) 457 if (sc->sc_test_pin >= 0) { 458 if (pxa2x0_gpio_get_bit(sc->sc_test_pin)) { 459 printf("GPIO_OUT: GPIO pin #%d: L\n",sc->sc_test_pin); 460 pxa2x0_gpio_clear_bit(sc->sc_test_pin); 461 } else { 462 printf("GPIO_OUT: GPIO pin #%d: H\n", sc->sc_test_pin); 463 pxa2x0_gpio_set_bit(sc->sc_test_pin); 464 } 465 } 466 #endif 467 #if defined(KEYTEST5) 468 printf("CPLD(%#x): value=%#x, mask=%#x\n", 469 sc->sc_test_pin, CSR_READ4(sc->sc_test_pin), sc->sc_bit); 470 if (CSR_READ4(sc->sc_test_pin) & sc->sc_bit) { 471 printf("CPLD_OUT: CPLD: L\n"); 472 CSR_WRITE4(sc->sc_test_pin, 473 CSR_READ4(sc->sc_test_pin) & ~sc->sc_bit); 474 } else { 475 printf("CPLD_OUT: CPLD: H\n"); 476 CSR_WRITE4(sc->sc_test_pin, 477 CSR_READ4(sc->sc_test_pin) | sc->sc_bit); 478 } 479 #endif 480 481 (void) wzero3kbd_poll1(sc); 482 483 pxa2x0_gpio_clear_intr(sc->sc_key_pin); 484 485 return 1; 486 } 487 488 #if defined(KEYTEST) 489 static int 490 wzero3kbd_intr2(void *arg) 491 { 492 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 493 494 printf("wzero3kbd_intr2: GPIO_IN: GPIO pin #%d = %s\n", sc->sc_test_pin, 495 pxa2x0_gpio_get_bit(sc->sc_test_pin) ? "on" : "off"); 496 497 return 1; 498 } 499 #endif 500 501 #if defined(KEYTEST3) 502 static int 503 wzero3kbd_intr3(void *arg) 504 { 505 int pin = (int)arg; 506 507 printf("wzero3kbd_intr3: GPIO pin #%d = %s\n", pin, 508 pxa2x0_gpio_get_bit(pin) ? "on" : "off"); 509 510 return 1; 511 } 512 #endif 513 514 515 static void 516 wzero3kbd_tick(void *arg) 517 { 518 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 519 520 (void) wzero3kbd_poll1(sc); 521 522 callout_reset(&sc->sc_keyscan_ch, sc->sc_interval, wzero3kbd_tick, sc); 523 } 524 525 static int 526 wzero3kbd_power_intr(void *arg) 527 { 528 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 529 530 #if defined(KEYTEST) || defined(KEYTEST2) || defined(KEYTEST3) || defined(KEYTEST4) 531 printf("wzero3kbd_power_intr: status = %s\n", 532 pxa2x0_gpio_get_bit(sc->sc_power_pin) ? "on" : "off"); 533 #endif 534 535 #if defined(KEYTEST) 536 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) { 537 if (sc->sc_test_pin >= 0) { 538 int orig_pin = sc->sc_test_pin; 539 pxa2x0_gpio_intr_disestablish(sc->sc_test_ih); 540 sc->sc_test_ih = NULL; 541 542 for (;;) { 543 if (++sc->sc_test_pin >= PXA270_GPIO_NPINS) 544 sc->sc_test_pin = 2; 545 if (sc->sc_test_pin == orig_pin) 546 break; 547 if (sc->sc_test_pin != sc->sc_nouse_pin 548 && sc->sc_test_pin != sc->sc_nouse_pin2 549 && sc->sc_test_pin != sc->sc_nouse_pin3 550 && sc->sc_test_pin != sc->sc_key_pin 551 && sc->sc_test_pin != sc->sc_power_pin 552 && sc->sc_test_pin != sc->sc_reset_pin 553 && GPIO_IS_GPIO_IN(pxa2x0_gpio_get_function(sc->sc_test_pin))) 554 break; 555 } 556 if (sc->sc_test_pin != orig_pin) { 557 printf("GPIO_IN: GPIO pin #%d\n", 558 sc->sc_test_pin); 559 sc->sc_test_ih = 560 pxa2x0_gpio_intr_establish(sc->sc_test_pin, 561 IST_EDGE_BOTH, IPL_TTY, wzero3kbd_intr2,sc); 562 } else { 563 sc->sc_test_pin = -1; 564 } 565 } 566 } 567 #endif 568 569 #if defined(KEYTEST2) 570 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) { 571 sc->sc_enabled ^= 2; 572 if (sc->sc_enabled & 2) { 573 printf("print col/row\n"); 574 } else { 575 printf("keyscan\n"); 576 } 577 } 578 #endif 579 #if defined(KEYTEST4) 580 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) { 581 if (sc->sc_test_pin >= 0) { 582 int orig_pin = sc->sc_test_pin; 583 for (;;) { 584 if (++sc->sc_test_pin >= PXA270_GPIO_NPINS) 585 sc->sc_test_pin = 2; 586 if (sc->sc_test_pin == orig_pin) 587 break; 588 if (sc->sc_test_pin != sc->sc_nouse_pin 589 && sc->sc_test_pin != sc->sc_nouse_pin2 590 && sc->sc_test_pin != sc->sc_nouse_pin3 591 && sc->sc_test_pin != sc->sc_key_pin 592 && sc->sc_test_pin != sc->sc_power_pin 593 && sc->sc_test_pin != sc->sc_reset_pin 594 && GPIO_IS_GPIO_OUT(pxa2x0_gpio_get_function(sc->sc_test_pin))) 595 break; 596 } 597 if (sc->sc_test_pin != orig_pin) { 598 printf("GPIO_OUT: GPIO pin #%d\n", sc->sc_test_pin); 599 } else { 600 sc->sc_test_pin = -1; 601 } 602 } 603 } 604 #endif 605 #if defined(KEYTEST5) 606 if (pxa2x0_gpio_get_bit(sc->sc_power_pin)) { 607 sc->sc_bit <<= 1; 608 if (sc->sc_bit & ~0xff) { 609 sc->sc_bit = 0x01; 610 sc->sc_test_pin += 0x4; 611 if (sc->sc_test_pin >= 0x20) { 612 sc->sc_test_pin = 0x00; 613 } 614 } 615 printf("CPLD(%#x), mask=%#x\n", sc->sc_test_pin, sc->sc_bit); 616 } 617 #endif 618 619 pxa2x0_gpio_clear_intr(sc->sc_power_pin); 620 621 return 1; 622 } 623 624 static int 625 wzero3kbd_reset_intr(void *arg) 626 { 627 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 628 629 sysmon_task_queue_sched(0, wzero3kbd_sysmon_reset_event, sc); 630 631 pxa2x0_gpio_clear_intr(sc->sc_reset_pin); 632 633 return 1; 634 } 635 636 static int 637 wzero3kbd_input_establish(void *arg, struct hpckbd_if *kbdif) 638 { 639 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 640 641 /* Save hpckbd interface. */ 642 sc->sc_hpckbd = kbdif; 643 sc->sc_enabled = 1; 644 645 return 0; 646 } 647 648 static void 649 wzero3kbd_sysmon_reset_event(void *arg) 650 { 651 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 652 653 sysmon_pswitch_event(&sc->sc_smpsw, PSWITCH_EVENT_PRESSED); 654 } 655 656 static int 657 wzero3kbd_poll(void *arg) 658 { 659 int keydown; 660 661 keydown = wzero3kbd_poll1(arg); 662 663 return keydown; 664 } 665 666 static int 667 wzero3kbd_poll1(void *arg) 668 { 669 struct wzero3kbd_softc *sc = (struct wzero3kbd_softc *)arg; 670 int row, col, data; 671 int keydown; 672 int i; 673 int s; 674 675 if (!sc->sc_enabled) { 676 DPRINTF(("wzero3kbd_poll: disabled\n")); 677 return 0; 678 } 679 680 s = spltty(); 681 682 for (col = 0; col < sc->sc_ncolumn; col++) { 683 /* deselect column# and charge */ 684 CSR_WRITE1(KBDCOL_L, 0); 685 CSR_WRITE1(KBDCOL_U, 0); 686 CSR_WRITE1(KBDCHARGE, 1); 687 delay(KEYWAIT); 688 CSR_WRITE1(KBDCHARGE, 0); 689 690 /* select scan column# */ 691 if (col < 8) { 692 CSR_WRITE1(KBDCOL_L, 1U << col); 693 CSR_WRITE1(KBDCOL_U, 0); 694 } else { 695 CSR_WRITE1(KBDCOL_L, 0); 696 CSR_WRITE1(KBDCOL_U, 1U << (col - 8)); 697 } 698 delay(KEYWAIT); 699 CSR_WRITE1(KBDCHARGE, 0); 700 701 /* read key data */ 702 data = CSR_READ1(KBDDATA); 703 for (row = 0; row < sc->sc_nrow; row++) { 704 #ifdef KEYTEST2 705 if (!(sc->sc_enabled & 2)) { 706 #endif 707 sc->sc_keystat[row + col * sc->sc_nrow] = 708 (data >> row) & 1; 709 #ifdef KEYTEST2 710 } else if (data & (1 << row)) { 711 printf("col = %d, row = %d, idx = %d, data = 0x%02x\n", col, row, row + col * sc->sc_nrow, data); 712 } 713 #endif 714 } 715 } 716 717 /* deselect column# and charge */ 718 CSR_WRITE1(KBDCOL_L, 0); 719 CSR_WRITE1(KBDCOL_U, 0); 720 CSR_WRITE1(KBDCHARGE, 1); 721 delay(KEYWAIT); 722 CSR_WRITE1(KBDCHARGE, 0); 723 724 /* send key scan code */ 725 keydown = 0; 726 for (i = 0; i < sc->sc_nrow * sc->sc_ncolumn; i++) { 727 uint8_t keystat = sc->sc_keystat[i]; 728 keydown |= keystat; 729 if (keystat == 0) { 730 if (sc->sc_okeystat[i] != 0) { 731 /* key release */ 732 hpckbd_input(sc->sc_hpckbd, 0, i); 733 sc->sc_okeystat[i] = 0; 734 } 735 } else { 736 if (++sc->sc_okeystat[i] >= sc->sc_stable_count) { 737 /* key press */ 738 hpckbd_input(sc->sc_hpckbd, 1, i); 739 sc->sc_okeystat[i] = sc->sc_stable_count; 740 } 741 } 742 } 743 744 splx(s); 745 746 return keydown; 747 } 748
Indexes created Wed Sep 24 15:09:51 GMT 2025