vrpiu.c revision 1.35
1 /* $NetBSD: vrpiu.c,v 1.35 2005/12/11 12:17:35 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1999-2003 TAKEMURA Shin All rights reserved. 5 * Copyright (c) 2000-2001 SATO Kazumi, All rights reserved. 6 * Copyright (c) 1999-2001 PocketBSD Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31 /* 32 * A/D polling part written by SATO Kazumi. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: vrpiu.c,v 1.35 2005/12/11 12:17:35 christos Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/device.h> 41 #include <sys/kernel.h> 42 #include <sys/callout.h> 43 #include <sys/boot_flag.h> 44 45 #include <dev/wscons/wsconsio.h> 46 #include <dev/wscons/wsmousevar.h> 47 48 #include <machine/bus.h> 49 #include <machine/platid.h> 50 #include <machine/platid_mask.h> 51 #include <machine/config_hook.h> 52 53 #include <dev/hpc/hpctpanelvar.h> 54 55 #include <dev/hpc/hpcbatteryvar.h> 56 #include <dev/hpc/hpcbatterytable.h> 57 58 #include <hpcmips/vr/vrcpudef.h> 59 #include <hpcmips/vr/vripif.h> 60 #include <hpcmips/vr/cmureg.h> 61 #include <hpcmips/vr/vrpiuvar.h> 62 #define PIUB_REG_OFFSSET 0 63 #include <hpcmips/vr/vrpiureg.h> 64 65 /* 66 * contant and macro definitions 67 */ 68 #define VRPIUDEBUG 69 #ifdef VRPIUDEBUG 70 int vrpiu_debug = 0; 71 #define DPRINTF(arg) if (vrpiu_debug) printf arg; 72 #define VPRINTF(arg) if (bootverbose || vrpiu_debug) printf arg; 73 #else 74 #define DPRINTF(arg) 75 #define VPRINTF(arg) if (bootverbose) printf arg; 76 #endif 77 78 #ifndef VRPIU_NO_ADHOC_BATTERY_EVENT 79 #define VRPIU_ADHOC_BATTERY_EVENT /* currently... */ 80 #endif /* VRPIU_NO_ADHOC_BATTERY_EVENT */ 81 82 #ifndef VRPIU_AD_POLL_INTERVAL 83 #define VRPIU_AD_POLL_INTERVAL 60 /* interval is 60 sec */ 84 #endif /* VRPIU_AD_POLL_INTERTVAL */ 85 86 #define PIUSIVL_SCANINTVAL_MIN 333 /* 10msec */ 87 #define PIUSIVL_SCANINTVAL_MAX PIUSIVL_SCANINTVAL_MASK /* 60msec */ 88 #define VRPIU_TP_SCAN_TIMEOUT (hz/10) /* timeout is 100msec */ 89 90 #define TP_INTR (PIUINT_ALLINTR & ~PIUINT_PADADPINTR) 91 #define AD_INTR (PIUINT_PADADPINTR) 92 93 /* 94 * data types 95 */ 96 /* struct vrpiu_softc is defined in vrpiuvar.h */ 97 98 /* 99 * function prototypes 100 */ 101 static int vrpiumatch(struct device *, struct cfdata *, void *); 102 static void vrpiuattach(struct device *, struct device *, void *); 103 static void vrc4173piuattach(struct device *, struct device *, void *); 104 static void vrpiu_init(struct vrpiu_softc *, void *); 105 106 static void vrpiu_write(struct vrpiu_softc *, int, unsigned short); 107 static u_short vrpiu_read(struct vrpiu_softc *, int); 108 109 static int vrpiu_intr(void *); 110 static void vrpiu_tp_intr(struct vrpiu_softc *); 111 static void vrpiu_ad_intr(struct vrpiu_softc *); 112 #ifdef DEBUG 113 static void vrpiu_dump_cntreg(unsigned int); 114 #endif 115 116 static int vrpiu_tp_enable(void *); 117 static int vrpiu_tp_ioctl(void *, u_long, caddr_t, int, struct lwp *); 118 static void vrpiu_tp_disable(void *); 119 static void vrpiu_tp_up(struct vrpiu_softc *); 120 static void vrpiu_tp_timeout(void *); 121 int vrpiu_ad_enable(void *); 122 void vrpiu_ad_disable(void *); 123 static void vrpiu_start_powerstate(void *); 124 static void vrpiu_calc_powerstate(struct vrpiu_softc *); 125 static void vrpiu_send_battery_event(struct vrpiu_softc *); 126 static void vrpiu_power(int, void *); 127 static u_int scan_interval(u_int data); 128 129 /* mra is defined in mra.c */ 130 int mra_Y_AX1_BX2_C(int *y, int ys, int *x1, int x1s, int *x2, int x2s, 131 int n, int scale, int *a, int *b, int *c); 132 133 /* 134 * static or global variables 135 */ 136 CFATTACH_DECL(vrpiu, sizeof(struct vrpiu_softc), 137 vrpiumatch, vrpiuattach, NULL, NULL); 138 CFATTACH_DECL(vrc4173piu, sizeof(struct vrpiu_softc), 139 vrpiumatch, vrc4173piuattach, NULL, NULL); 140 141 const struct wsmouse_accessops vrpiu_accessops = { 142 vrpiu_tp_enable, 143 vrpiu_tp_ioctl, 144 vrpiu_tp_disable, 145 }; 146 147 int vrpiu_ad_poll_interval = VRPIU_AD_POLL_INTERVAL; 148 149 /* 150 * function definitions 151 */ 152 static inline void 153 vrpiu_write(struct vrpiu_softc *sc, int port, unsigned short val) 154 { 155 156 bus_space_write_2(sc->sc_iot, sc->sc_ioh, port, val); 157 } 158 159 static inline u_short 160 vrpiu_read(struct vrpiu_softc *sc, int port) 161 { 162 163 return (bus_space_read_2(sc->sc_iot, sc->sc_ioh, port)); 164 } 165 166 static inline u_short 167 vrpiu_buf_read(struct vrpiu_softc *sc, int port) 168 { 169 170 return (bus_space_read_2(sc->sc_iot, sc->sc_buf_ioh, port)); 171 } 172 173 static int 174 vrpiumatch(struct device *parent, struct cfdata *cf, void *aux) 175 { 176 177 return (1); 178 } 179 180 static void 181 vrpiuattach(struct device *parent, struct device *self, void *aux) 182 { 183 struct vrpiu_softc *sc = (struct vrpiu_softc *)self; 184 185 sc->sc_ab_paddata_mask = PIUAB_PADDATA_MASK; 186 sc->sc_pb_paddata_mask = PIUPB_PADDATA_MASK; 187 sc->sc_pb_paddata_max = PIUPB_PADDATA_MAX; 188 vrpiu_init(sc, aux); 189 } 190 191 static void 192 vrc4173piuattach(struct device *parent, struct device *self, void *aux) 193 { 194 struct vrpiu_softc *sc = (struct vrpiu_softc *)self; 195 196 sc->sc_ab_paddata_mask = VRC4173PIUAB_PADDATA_MASK; 197 sc->sc_pb_paddata_mask = VRC4173PIUPB_PADDATA_MASK; 198 sc->sc_pb_paddata_max = VRC4173PIUPB_PADDATA_MAX; 199 vrpiu_init(sc, aux); 200 } 201 202 static void 203 vrpiu_init(struct vrpiu_softc *sc, void *aux) 204 { 205 struct vrip_attach_args *va = aux; 206 struct wsmousedev_attach_args wsmaa; 207 int res; 208 bus_space_tag_t iot = va->va_iot; 209 struct platid_data *p; 210 211 if (va->va_parent_ioh != 0) 212 res = bus_space_subregion(iot, va->va_parent_ioh, va->va_addr, 213 va->va_size, &sc->sc_ioh); 214 else 215 res = bus_space_map(iot, va->va_addr, va->va_size, 0, 216 &sc->sc_ioh); 217 if (res != 0) { 218 printf(": can't map bus space\n"); 219 return; 220 } 221 if (va->va_parent_ioh != 0) 222 res = bus_space_subregion(iot, va->va_parent_ioh, va->va_addr2, 223 va->va_size2, &sc->sc_buf_ioh); 224 else 225 res = bus_space_map(iot, va->va_addr2, va->va_size2, 0, 226 &sc->sc_buf_ioh); 227 if (res != 0) { 228 printf(": can't map second bus space\n"); 229 return; 230 } 231 232 sc->sc_iot = iot; 233 sc->sc_unit = va->va_unit; 234 sc->sc_vrip = va->va_vc; 235 236 sc->sc_interval = scan_interval(WSMOUSE_RES_DEFAULT); 237 if ((p = platid_search_data(&platid, hpcbattery_parameters)) == NULL) 238 sc->sc_battery_spec = NULL; 239 else 240 sc->sc_battery_spec = p->data; 241 242 /* 243 * disable device until vrpiu_enable called 244 */ 245 sc->sc_tpstat = VRPIU_TP_STAT_DISABLE; 246 247 /* initialize touch panel timeout structure */ 248 callout_init(&sc->sc_tptimeout); 249 250 /* initialize calibration context */ 251 tpcalib_init(&sc->sc_tpcalib); 252 #if 1 253 /* 254 * XXX, calibrate parameters 255 */ 256 { 257 int i; 258 static const struct { 259 platid_mask_t *mask; 260 struct wsmouse_calibcoords coords; 261 } calibrations[] = { 262 { &platid_mask_MACH_NEC_MCR_700, 263 { 0, 0, 799, 599, 264 4, 265 { { 115, 80, 0, 0 }, 266 { 115, 966, 0, 599 }, 267 { 912, 80, 799, 0 }, 268 { 912, 966, 799, 599 } } } }, 269 { &platid_mask_MACH_NEC_MCR_700A, 270 { 0, 0, 799, 599, 271 4, 272 { { 115, 80, 0, 0 }, 273 { 115, 966, 0, 599 }, 274 { 912, 80, 799, 0 }, 275 { 912, 966, 799, 599 } } } }, 276 { &platid_mask_MACH_NEC_MCR_730, 277 { 0, 0, 799, 599, 278 4, 279 { { 115, 80, 0, 0 }, 280 { 115, 966, 0, 599 }, 281 { 912, 80, 799, 0 }, 282 { 912, 966, 799, 599 } } } }, 283 { &platid_mask_MACH_NEC_MCR_730A, 284 { 0, 0, 799, 599, 285 4, 286 { { 115, 80, 0, 0 }, 287 { 115, 966, 0, 599 }, 288 { 912, 80, 799, 0 }, 289 { 912, 966, 799, 599 } } } }, 290 { NULL, /* samples got on my MC-R500 */ 291 { 0, 0, 639, 239, 292 5, 293 { { 502, 486, 320, 120 }, 294 { 55, 109, 0, 0 }, 295 { 54, 913, 0, 239 }, 296 { 973, 924, 639, 239 }, 297 { 975, 123, 639, 0 } } } }, 298 }; 299 for (i = 0; ; i++) { 300 if (calibrations[i].mask == NULL 301 || platid_match(&platid, calibrations[i].mask)) 302 break; 303 } 304 tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS, 305 (caddr_t)__UNCONST(&calibrations[i].coords), 0, 0); 306 } 307 #endif 308 309 /* install interrupt handler and enable interrupt */ 310 if (!(sc->sc_handler = 311 vrip_intr_establish(sc->sc_vrip, sc->sc_unit, 0, IPL_TTY, 312 vrpiu_intr, sc))) { 313 printf (": can't map interrupt line.\n"); 314 return; 315 } 316 317 /* mask level2 interrupt, stop scan sequencer and mask clock to piu */ 318 vrpiu_tp_disable(sc); 319 320 printf("\n"); 321 322 wsmaa.accessops = &vrpiu_accessops; 323 wsmaa.accesscookie = sc; 324 325 /* 326 * attach the wsmouse 327 */ 328 sc->sc_wsmousedev = config_found(&sc->sc_dev, &wsmaa, wsmousedevprint); 329 330 /* 331 * power management events 332 */ 333 sc->sc_power_hook = powerhook_establish(vrpiu_power, sc); 334 335 /* 336 * init A/D port polling. 337 */ 338 sc->sc_battery.n_values = 3; 339 sc->sc_battery.value[0] = -1; 340 sc->sc_battery.value[1] = -1; 341 sc->sc_battery.value[2] = -1; 342 sc->sc_battery.nextpoll = hz*vrpiu_ad_poll_interval; 343 callout_init(&sc->sc_adpoll); 344 callout_reset(&sc->sc_adpoll, hz, vrpiu_start_powerstate, sc); 345 } 346 347 /* 348 * calculate interval value 349 * input: WSMOUSE_RES_MIN - WSMOUSE_RES_MAX 350 * output: value for PIUSIVL_REG 351 */ 352 static u_int 353 scan_interval(u_int data) 354 { 355 int scale; 356 357 if (data < WSMOUSE_RES_MIN) 358 data = WSMOUSE_RES_MIN; 359 360 if (WSMOUSE_RES_MAX < data) 361 data = WSMOUSE_RES_MAX; 362 363 scale = WSMOUSE_RES_MAX - WSMOUSE_RES_MIN; 364 data += WSMOUSE_RES_MIN; 365 366 return PIUSIVL_SCANINTVAL_MIN + 367 (PIUSIVL_SCANINTVAL_MAX - PIUSIVL_SCANINTVAL_MIN) * 368 (scale - data) / scale; 369 } 370 371 int 372 vrpiu_ad_enable(void *v) 373 { 374 struct vrpiu_softc *sc = v; 375 int s; 376 unsigned int cnt; 377 378 DPRINTF(("%s(%d): vrpiu_ad_enable(): interval=0x%03x\n", 379 __FILE__, __LINE__, sc->sc_interval)); 380 if (sc->sc_adstat != VRPIU_AD_STAT_DISABLE) 381 return EBUSY; 382 383 /* supply clock to PIU */ 384 vrip_power(sc->sc_vrip, sc->sc_unit, 1); 385 386 /* set scan interval */ 387 vrpiu_write(sc, PIUSIVL_REG_W, sc->sc_interval); 388 389 s = spltty(); 390 391 /* clear interrupt status */ 392 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 393 394 /* Disable -> Standby */ 395 cnt = PIUCNT_PIUPWR | 396 PIUCNT_PIUMODE_COORDINATE | 397 PIUCNT_PADATSTART | PIUCNT_PADATSTOP; 398 vrpiu_write(sc, PIUCNT_REG_W, cnt); 399 400 /* Level2 interrupt register setting */ 401 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, AD_INTR, 1); 402 403 /* save pen status, touch or release */ 404 cnt = vrpiu_read(sc, PIUCNT_REG_W); 405 406 /* 407 * Enable scan sequencer operation 408 * Standby -> WaitPenTouch 409 */ 410 cnt |= PIUCNT_PIUSEQEN; 411 vrpiu_write(sc, PIUCNT_REG_W, cnt); 412 413 sc->sc_adstat = VRPIU_AD_STAT_ENABLE; 414 415 splx(s); 416 417 return 0; 418 } 419 420 void 421 vrpiu_ad_disable(void *v) 422 { 423 struct vrpiu_softc *sc = v; 424 425 DPRINTF(("%s(%d): vrpiu_ad_disable()\n", __FILE__, __LINE__)); 426 427 /* Set level2 interrupt register to mask interrupts */ 428 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, AD_INTR, 0); 429 430 sc->sc_adstat = VRPIU_AD_STAT_DISABLE; 431 432 if (sc->sc_tpstat == VRPIU_TP_STAT_DISABLE){ 433 /* Disable scan sequencer operation and power off */ 434 vrpiu_write(sc, PIUCNT_REG_W, 0); 435 436 /* mask clock to PIU */ 437 vrip_power(sc->sc_vrip, sc->sc_unit, 0); 438 } 439 } 440 441 int 442 vrpiu_tp_enable(void *v) 443 { 444 struct vrpiu_softc *sc = v; 445 int s; 446 unsigned int cnt; 447 448 DPRINTF(("%s(%d): vrpiu_tp_enable(): interval=0x%03x\n", 449 __FILE__, __LINE__, sc->sc_interval)); 450 if (sc->sc_tpstat != VRPIU_TP_STAT_DISABLE) 451 return EBUSY; 452 453 /* supply clock to PIU */ 454 vrip_power(sc->sc_vrip, sc->sc_unit, 1); 455 456 /* set scan interval */ 457 vrpiu_write(sc, PIUSIVL_REG_W, sc->sc_interval); 458 459 s = spltty(); 460 461 /* clear interrupt status */ 462 vrpiu_write(sc, PIUINT_REG_W, TP_INTR); 463 464 /* Disable -> Standby */ 465 cnt = PIUCNT_PIUPWR | 466 PIUCNT_PIUMODE_COORDINATE | 467 PIUCNT_PADATSTART | PIUCNT_PADATSTOP; 468 vrpiu_write(sc, PIUCNT_REG_W, cnt); 469 470 /* Level2 interrupt register setting */ 471 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 1); 472 473 /* save pen status, touch or release */ 474 cnt = vrpiu_read(sc, PIUCNT_REG_W); 475 476 /* 477 * Enable scan sequencer operation 478 * Standby -> WaitPenTouch 479 */ 480 cnt |= PIUCNT_PIUSEQEN; 481 vrpiu_write(sc, PIUCNT_REG_W, cnt); 482 483 /* transit status DISABLE -> TOUCH or RELEASE */ 484 sc->sc_tpstat = (cnt & PIUCNT_PENSTC) ? 485 VRPIU_TP_STAT_TOUCH : VRPIU_TP_STAT_RELEASE; 486 487 splx(s); 488 489 return 0; 490 } 491 492 void 493 vrpiu_tp_disable(void *v) 494 { 495 struct vrpiu_softc *sc = v; 496 497 DPRINTF(("%s(%d): vrpiu_tp_disable()\n", __FILE__, __LINE__)); 498 499 /* Set level2 interrupt register to mask interrupts */ 500 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 0); 501 502 sc->sc_tpstat = VRPIU_TP_STAT_DISABLE; 503 504 if (sc->sc_adstat == VRPIU_AD_STAT_DISABLE){ 505 /* Disable scan sequencer operation and power off */ 506 vrpiu_write(sc, PIUCNT_REG_W, 0); 507 508 /* mask clock to PIU */ 509 vrip_power(sc->sc_vrip, sc->sc_unit, 0); 510 } 511 } 512 513 int 514 vrpiu_tp_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) 515 { 516 struct vrpiu_softc *sc = v; 517 518 DPRINTF(("%s(%d): vrpiu_tp_ioctl(%08lx)\n", __FILE__, __LINE__, cmd)); 519 520 switch (cmd) { 521 case WSMOUSEIO_SRES: 522 { 523 int tp_enable; 524 int ad_enable; 525 526 tp_enable = (sc->sc_tpstat != VRPIU_TP_STAT_DISABLE); 527 ad_enable = (sc->sc_adstat != VRPIU_AD_STAT_DISABLE); 528 529 if (tp_enable) 530 vrpiu_tp_disable(sc); 531 if (ad_enable) 532 vrpiu_ad_disable(sc); 533 534 sc->sc_interval = scan_interval(*(u_int *)data); 535 DPRINTF(("%s(%d): WSMOUSEIO_SRES: *data=%d, interval=0x%03x\n", 536 __FILE__, __LINE__, *(u_int *)data, sc->sc_interval)); 537 538 if (sc->sc_interval < PIUSIVL_SCANINTVAL_MIN) 539 sc->sc_interval = PIUSIVL_SCANINTVAL_MIN; 540 541 if (PIUSIVL_SCANINTVAL_MAX < sc->sc_interval) 542 sc->sc_interval = PIUSIVL_SCANINTVAL_MAX; 543 544 if (tp_enable) 545 vrpiu_tp_enable(sc); 546 if (ad_enable) 547 vrpiu_ad_enable(sc); 548 } 549 break; 550 551 default: 552 return hpc_tpanel_ioctl(&sc->sc_tpcalib, cmd, data, flag, l); 553 } 554 return 0; 555 } 556 557 /* 558 * PIU AD interrupt handler. 559 */ 560 void 561 vrpiu_ad_intr(struct vrpiu_softc *sc) 562 { 563 unsigned int i; 564 unsigned int intrstat; 565 566 intrstat = vrpiu_read(sc, PIUINT_REG_W); 567 568 if (sc->sc_adstat == VRPIU_AD_STAT_DISABLE) { 569 /* 570 * the device isn't enabled. just clear interrupt. 571 */ 572 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 573 return; 574 } 575 576 if (intrstat & PIUINT_PADADPINTR) { 577 sc->sc_battery.value[0] = (unsigned int) 578 vrpiu_buf_read(sc, PIUAB(0)); 579 sc->sc_battery.value[1] = (unsigned int) 580 vrpiu_buf_read(sc, PIUAB(1)); 581 sc->sc_battery.value[2] = (unsigned int) 582 vrpiu_buf_read(sc, PIUAB(2)); 583 } 584 585 if (intrstat & PIUINT_PADADPINTR) { 586 for (i = 0; i < 3; i++) { 587 if (sc->sc_battery.value[i] & PIUAB_VALID) 588 sc->sc_battery.value[i] &= 589 sc->sc_ab_paddata_mask; 590 else 591 sc->sc_battery.value[i] = 0; 592 } 593 vrpiu_calc_powerstate(sc); 594 } 595 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 596 597 return; 598 } 599 /* 600 * PIU TP interrupt handler. 601 */ 602 void 603 vrpiu_tp_intr(struct vrpiu_softc *sc) 604 { 605 unsigned int cnt, i; 606 unsigned int intrstat, page; 607 int tpx0, tpx1, tpy0, tpy1; 608 int x, y, xraw, yraw; 609 610 tpx0 = tpx1 = tpy0 = tpy1 = 0; /* XXX: gcc -Wuninitialized */ 611 612 intrstat = vrpiu_read(sc, PIUINT_REG_W); 613 614 if (sc->sc_tpstat == VRPIU_TP_STAT_DISABLE) { 615 /* 616 * the device isn't enabled. just clear interrupt. 617 */ 618 vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR); 619 return; 620 } 621 622 page = (intrstat & PIUINT_OVP) ? 1 : 0; 623 if (intrstat & (PIUINT_PADPAGE0INTR | PIUINT_PADPAGE1INTR)) { 624 tpx0 = vrpiu_buf_read(sc, PIUPB(page, 0)); 625 tpx1 = vrpiu_buf_read(sc, PIUPB(page, 1)); 626 tpy0 = vrpiu_buf_read(sc, PIUPB(page, 2)); 627 tpy1 = vrpiu_buf_read(sc, PIUPB(page, 3)); 628 } 629 630 if (intrstat & PIUINT_PADDLOSTINTR) { 631 page = page ? 0 : 1; 632 for (i = 0; i < 4; i++) 633 vrpiu_buf_read(sc, PIUPB(page, i)); 634 } 635 636 cnt = vrpiu_read(sc, PIUCNT_REG_W); 637 #ifdef DEBUG 638 if (vrpiu_debug) 639 vrpiu_dump_cntreg(cnt); 640 #endif 641 642 /* clear interrupt status */ 643 vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR); 644 645 #if 0 646 DPRINTF(("vrpiu_intr: OVP=%d", page)); 647 if (intrstat & PIUINT_PADCMDINTR) 648 DPRINTF((" CMD")); 649 if (intrstat & PIUINT_PADADPINTR) 650 DPRINTF((" A/D")); 651 if (intrstat & PIUINT_PADPAGE1INTR) 652 DPRINTF((" PAGE1")); 653 if (intrstat & PIUINT_PADPAGE0INTR) 654 DPRINTF((" PAGE0")); 655 if (intrstat & PIUINT_PADDLOSTINTR) 656 DPRINTF((" DLOST")); 657 if (intrstat & PIUINT_PENCHGINTR) 658 DPRINTF((" PENCHG")); 659 DPRINTF(("\n")); 660 #endif 661 if (intrstat & (PIUINT_PADPAGE0INTR | PIUINT_PADPAGE1INTR)) { 662 /* 663 * just ignore scan data if status isn't Touch. 664 */ 665 if (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH) { 666 /* reset tp scan timeout */ 667 callout_reset(&sc->sc_tptimeout, VRPIU_TP_SCAN_TIMEOUT, 668 vrpiu_tp_timeout, sc); 669 670 if (!((tpx0 & PIUPB_VALID) && (tpx1 & PIUPB_VALID) && 671 (tpy0 & PIUPB_VALID) && (tpy1 & PIUPB_VALID))) { 672 printf("vrpiu: internal error," 673 " data is not valid!\n"); 674 } else { 675 tpx0 &= sc->sc_pb_paddata_mask; 676 tpx1 &= sc->sc_pb_paddata_mask; 677 tpy0 &= sc->sc_pb_paddata_mask; 678 tpy1 &= sc->sc_pb_paddata_mask; 679 #define ISVALID(n, c) ((c) - (c)/5 < (n) && (n) < (c) + (c)/5) 680 if (ISVALID(tpx0 + tpx1, sc->sc_pb_paddata_max) && 681 ISVALID(tpy0 + tpy1, sc->sc_pb_paddata_max)) { 682 #if 0 683 DPRINTF(("%04x %04x %04x %04x\n", 684 tpx0, tpx1, tpy0, tpy1)); 685 DPRINTF(("%3d %3d (%4d %4d)->", tpx0, 686 tpy0, tpx0 + tpx1, tpy0 + tpy1)); 687 #endif 688 xraw = tpy1 * sc->sc_pb_paddata_max / (tpy0 + tpy1); 689 yraw = tpx1 * sc->sc_pb_paddata_max / (tpx0 + tpx1); 690 DPRINTF(("%3d %3d", xraw, yraw)); 691 692 tpcalib_trans(&sc->sc_tpcalib, xraw, 693 yraw, &x, &y); 694 695 DPRINTF(("->%4d %4d", x, y)); 696 wsmouse_input(sc->sc_wsmousedev, 697 1, /* button 0 down */ 698 x, /* x */ 699 y, /* y */ 700 0, /* z */ 701 WSMOUSE_INPUT_ABSOLUTE_X | 702 WSMOUSE_INPUT_ABSOLUTE_Y); 703 DPRINTF(("\n")); 704 } 705 } 706 } 707 } 708 709 if (cnt & PIUCNT_PENSTC) { 710 if (sc->sc_tpstat == VRPIU_TP_STAT_RELEASE) { 711 /* 712 * pen touch 713 */ 714 DPRINTF(("PEN TOUCH\n")); 715 sc->sc_tpstat = VRPIU_TP_STAT_TOUCH; 716 /* 717 * We should not report button down event while 718 * we don't know where it occur. 719 */ 720 721 /* set tp scan timeout */ 722 callout_reset(&sc->sc_tptimeout, VRPIU_TP_SCAN_TIMEOUT, 723 vrpiu_tp_timeout, sc); 724 } 725 } else { 726 vrpiu_tp_up(sc); 727 } 728 729 if (intrstat & PIUINT_PADDLOSTINTR) { 730 cnt |= PIUCNT_PIUSEQEN; 731 vrpiu_write(sc, PIUCNT_REG_W, cnt); 732 } 733 734 return; 735 } 736 737 void 738 vrpiu_tp_up(struct vrpiu_softc *sc) 739 { 740 if (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH) { 741 /* 742 * pen release 743 */ 744 DPRINTF(("RELEASE\n")); 745 sc->sc_tpstat = VRPIU_TP_STAT_RELEASE; 746 747 /* clear tp scan timeout */ 748 callout_stop(&sc->sc_tptimeout); 749 750 /* button 0 UP */ 751 wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0); 752 } 753 } 754 755 /* touch panel timeout handler */ 756 void 757 vrpiu_tp_timeout(void *v) 758 { 759 struct vrpiu_softc *sc = (struct vrpiu_softc *)v; 760 761 #ifdef VRPIUDEBUG 762 { 763 unsigned int cnt = vrpiu_read(sc, PIUCNT_REG_W); 764 DPRINTF(("TIMEOUT: stat=%s reg=%s\n", 765 (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH)?"touch":"release", 766 (cnt & PIUCNT_PENSTC)?"touch":"release")); 767 } 768 #endif 769 vrpiu_tp_up(sc); 770 } 771 772 /* 773 * PIU interrupt handler. 774 */ 775 int 776 vrpiu_intr(void *arg) 777 { 778 struct vrpiu_softc *sc = arg; 779 780 vrpiu_ad_intr(sc); 781 vrpiu_tp_intr(sc); 782 783 return 0; 784 } 785 786 void 787 vrpiu_start_powerstate(void *v) 788 { 789 int mask; 790 struct vrpiu_softc *sc = (struct vrpiu_softc *)v; 791 792 vrpiu_ad_enable(sc); 793 mask = vrpiu_read(sc, PIUAMSK_REG_W); 794 mask &= 0xff8f; /* XXX */ 795 vrpiu_write(sc, PIUAMSK_REG_W, mask); 796 vrpiu_write(sc, PIUASCN_REG_W, PIUACN_ADPSSTART); 797 /* 798 * restart next A/D polling 799 */ 800 callout_reset(&sc->sc_adpoll, hz*vrpiu_ad_poll_interval, 801 vrpiu_start_powerstate, sc); 802 } 803 804 void 805 vrpiu_calc_powerstate(struct vrpiu_softc *sc) 806 { 807 extern void vrgiu_diff_io(void); 808 vrpiu_ad_disable(sc); 809 VPRINTF(("vrpiu:AD: %d, %d, %d\n", 810 sc->sc_battery.value[0], 811 sc->sc_battery.value[1], 812 sc->sc_battery.value[2])); 813 sc->sc_battery.nextpoll = hz*vrpiu_ad_poll_interval; 814 vrpiu_send_battery_event(sc); 815 /* 816 * restart next A/D polling if change polling timming. 817 */ 818 if (sc->sc_battery.nextpoll != hz*vrpiu_ad_poll_interval) 819 callout_reset(&sc->sc_adpoll, sc->sc_battery.nextpoll, 820 vrpiu_start_powerstate, sc); 821 if (bootverbose) 822 vrgiu_diff_io(); 823 824 } 825 826 static void 827 vrpiu_power(int why, void *arg) 828 { 829 struct vrpiu_softc *sc = arg; 830 831 switch (why) { 832 case PWR_STANDBY: 833 case PWR_SUSPEND: 834 break; 835 case PWR_RESUME: 836 callout_reset(&sc->sc_adpoll, hz, 837 vrpiu_start_powerstate, sc); 838 break; 839 } 840 } 841 842 static void 843 vrpiu_send_battery_event(struct vrpiu_softc *sc) 844 { 845 #ifdef VRPIU_ADHOC_BATTERY_EVENT 846 static int batteryhigh = 0; 847 static int batterylow = 0; 848 static int critical = 0; 849 850 if (sc->sc_battery_spec == NULL 851 || sc->sc_battery_spec->main_port == -1) 852 return; 853 854 if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 855 <= sc->sc_battery_spec->dc_critical) { 856 batteryhigh = 0; 857 config_hook_call(CONFIG_HOOK_PMEVENT, 858 CONFIG_HOOK_PMEVENT_BATTERY, 859 (void *)CONFIG_HOOK_BATT_CRITICAL); 860 batterylow = 3; 861 if (critical) { 862 config_hook_call(CONFIG_HOOK_PMEVENT, 863 CONFIG_HOOK_PMEVENT_SUSPENDREQ, 864 (void *)0); 865 critical = 0; 866 batterylow = 0; 867 } 868 critical++; 869 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 870 <= sc->sc_battery_spec->dc_20p) { 871 batteryhigh = 0; 872 if (batterylow == 1) 873 config_hook_call(CONFIG_HOOK_PMEVENT, 874 CONFIG_HOOK_PMEVENT_BATTERY, 875 (void *)CONFIG_HOOK_BATT_20P); 876 config_hook_call(CONFIG_HOOK_PMEVENT, 877 CONFIG_HOOK_PMEVENT_BATTERY, 878 (void *)CONFIG_HOOK_BATT_LOW); 879 batterylow = 2; 880 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 881 <= sc->sc_battery_spec->dc_50p) { 882 batteryhigh = 0; 883 if (batterylow == 0) { 884 batterylow = 1; 885 config_hook_call(CONFIG_HOOK_PMEVENT, 886 CONFIG_HOOK_PMEVENT_BATTERY, 887 (void *)CONFIG_HOOK_BATT_50P); 888 } 889 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 890 >= sc->sc_battery_spec->ac_80p) { 891 batterylow = 0; 892 if (batteryhigh == 0) { 893 batteryhigh = 1; 894 config_hook_call(CONFIG_HOOK_PMEVENT, 895 CONFIG_HOOK_PMEVENT_BATTERY, 896 (void *)CONFIG_HOOK_BATT_80P); 897 config_hook_call(CONFIG_HOOK_PMEVENT, 898 CONFIG_HOOK_PMEVENT_BATTERY, 899 (void *)CONFIG_HOOK_BATT_HIGH); 900 } 901 } 902 #else /* VRPIU_ADHOC_BATTERY_EVENT */ 903 config_hook_call(CONFIG_HOOK_SET, 904 CONFIG_HOOK_BATTERYVAL, 905 (void *)&sc->sc_battery); 906 #endif /* VRPIU_ADHOC_BATTERY_EVENT */ 907 } 908 909 #ifdef DEBUG 910 void 911 vrpiu_dump_cntreg(unsigned int cnt) 912 { 913 printf("%s", (cnt & PIUCNT_PENSTC) ? "Touch" : "Release"); 914 printf(" state="); 915 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_CmdScan) 916 printf("CmdScan"); 917 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_IntervalNextScan) 918 printf("IntervalNextScan"); 919 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_PenDataScan) 920 printf("PenDataScan"); 921 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_WaitPenTouch) 922 printf("WaitPenTouch"); 923 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_RFU) 924 printf("???"); 925 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_ADPortScan) 926 printf("ADPortScan"); 927 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_Standby) 928 printf("Standby"); 929 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_Disable) 930 printf("Disable"); 931 if (cnt & PIUCNT_PADATSTOP) 932 printf(" AutoStop"); 933 if (cnt & PIUCNT_PADATSTART) 934 printf(" AutoStart"); 935 if (cnt & PIUCNT_PADSCANSTOP) 936 printf(" Stop"); 937 if (cnt & PIUCNT_PADSCANSTART) 938 printf(" Start"); 939 if (cnt & PIUCNT_PADSCANTYPE) 940 printf(" ScanPressure"); 941 if ((cnt & PIUCNT_PIUMODE_MASK) == PIUCNT_PIUMODE_ADCONVERTER) 942 printf(" A/D"); 943 if ((cnt & PIUCNT_PIUMODE_MASK) == PIUCNT_PIUMODE_COORDINATE) 944 printf(" Coordinate"); 945 if (cnt & PIUCNT_PIUSEQEN) 946 printf(" SeqEn"); 947 if ((cnt & PIUCNT_PIUPWR) == 0) 948 printf(" PowerOff"); 949 if ((cnt & PIUCNT_PADRST) == 0) 950 printf(" Reset"); 951 printf("\n"); 952 } 953 #endif 954
Indexes created Mon Sep 29 21:09:56 GMT 2025