vrpiu.c revision 1.26
1/* $NetBSD: vrpiu.c,v 1.26 2002/12/15 09:24:26 takemura Exp $ */ 2 3/* 4 * Copyright (c) 1999-2002 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/param.h> 36#include <sys/systm.h> 37#include <sys/device.h> 38#include <sys/kernel.h> 39#include <sys/callout.h> 40#include <sys/boot_flag.h> 41 42#include <dev/wscons/wsconsio.h> 43#include <dev/wscons/wsmousevar.h> 44 45#include <machine/bus.h> 46#include <machine/platid.h> 47#include <machine/platid_mask.h> 48#include <machine/config_hook.h> 49 50#include <dev/hpc/tpcalibvar.h> 51 52#include <dev/hpc/hpcbatteryvar.h> 53#include <dev/hpc/hpcbatterytable.h> 54 55#include <hpcmips/vr/vrcpudef.h> 56#include <hpcmips/vr/vripif.h> 57#include <hpcmips/vr/cmureg.h> 58#include <hpcmips/vr/vrpiuvar.h> 59#define PIUB_REG_OFFSSET 0 60#include <hpcmips/vr/vrpiureg.h> 61 62/* 63 * contant and macro definitions 64 */ 65#define VRPIUDEBUG 66#ifdef VRPIUDEBUG 67int vrpiu_debug = 0; 68#define DPRINTF(arg) if (vrpiu_debug) printf arg; 69#define VPRINTF(arg) if (bootverbose || vrpiu_debug) printf arg; 70#else 71#define DPRINTF(arg) 72#define VPRINTF(arg) if (bootverbose) printf arg; 73#endif 74 75#ifndef VRPIU_NO_ADHOC_BATTERY_EVENT 76#define VRPIU_ADHOC_BATTERY_EVENT /* currently... */ 77#endif /* VRPIU_NO_ADHOC_BATTERY_EVENT */ 78 79#ifndef VRPIU_AD_POLL_INTERVAL 80#define VRPIU_AD_POLL_INTERVAL 60 /* interval is 60 sec */ 81#endif /* VRPIU_AD_POLL_INTERTVAL */ 82 83#define PIUSIVL_SCANINTVAL_MIN 333 /* 10msec */ 84#define PIUSIVL_SCANINTVAL_MAX PIUSIVL_SCANINTVAL_MASK /* 60msec */ 85#define VRPIU_TP_SCAN_TIMEOUT (hz/10) /* timeout is 100msec */ 86 87#define TP_INTR (PIUINT_ALLINTR & ~PIUINT_PADADPINTR) 88#define AD_INTR (PIUINT_PADADPINTR) 89 90/* 91 * data types 92 */ 93/* struct vrpiu_softc is defined in vrpiuvar.h */ 94 95/* 96 * function prototypes 97 */ 98static int vrpiumatch(struct device *, struct cfdata *, void *); 99static void vrpiuattach(struct device *, struct device *, void *); 100static void vrc4173piuattach(struct device *, struct device *, void *); 101static void vrpiu_init(struct vrpiu_softc *, void *); 102 103static void vrpiu_write(struct vrpiu_softc *, int, unsigned short); 104static u_short vrpiu_read(struct vrpiu_softc *, int); 105 106static int vrpiu_intr(void *); 107static void vrpiu_tp_intr(struct vrpiu_softc *); 108static void vrpiu_ad_intr(struct vrpiu_softc *); 109#ifdef DEBUG 110static void vrpiu_dump_cntreg(unsigned int); 111#endif 112 113static int vrpiu_tp_enable(void *); 114static int vrpiu_tp_ioctl(void *, u_long, caddr_t, int, struct proc *); 115static void vrpiu_tp_disable(void *); 116static void vrpiu_tp_up(struct vrpiu_softc *); 117static void vrpiu_tp_timeout(void *); 118int vrpiu_ad_enable(void *); 119void vrpiu_ad_disable(void *); 120static void vrpiu_start_powerstate(void *); 121static void vrpiu_calc_powerstate(struct vrpiu_softc *); 122static void vrpiu_send_battery_event(struct vrpiu_softc *); 123static void vrpiu_power(int, void *); 124static u_int scan_interval(u_int data); 125 126/* mra is defined in mra.c */ 127int mra_Y_AX1_BX2_C(int *y, int ys, int *x1, int x1s, int *x2, int x2s, 128 int n, int scale, int *a, int *b, int *c); 129 130/* 131 * static or global variables 132 */ 133CFATTACH_DECL(vrpiu, sizeof(struct vrpiu_softc), 134 vrpiumatch, vrpiuattach, NULL, NULL); 135CFATTACH_DECL(vrc4173piu, sizeof(struct vrpiu_softc), 136 vrpiumatch, vrc4173piuattach, NULL, NULL); 137 138const struct wsmouse_accessops vrpiu_accessops = { 139 vrpiu_tp_enable, 140 vrpiu_tp_ioctl, 141 vrpiu_tp_disable, 142}; 143 144int vrpiu_ad_poll_interval = VRPIU_AD_POLL_INTERVAL; 145 146/* 147 * function definitions 148 */ 149static inline void 150vrpiu_write(struct vrpiu_softc *sc, int port, unsigned short val) 151{ 152 153 bus_space_write_2(sc->sc_iot, sc->sc_ioh, port, val); 154} 155 156static inline u_short 157vrpiu_read(struct vrpiu_softc *sc, int port) 158{ 159 160 return (bus_space_read_2(sc->sc_iot, sc->sc_ioh, port)); 161} 162 163static inline u_short 164vrpiu_buf_read(struct vrpiu_softc *sc, int port) 165{ 166 167 return (bus_space_read_2(sc->sc_iot, sc->sc_buf_ioh, port)); 168} 169 170static int 171vrpiumatch(struct device *parent, struct cfdata *cf, void *aux) 172{ 173 174 return (1); 175} 176 177static void 178vrpiuattach(struct device *parent, struct device *self, void *aux) 179{ 180 struct vrpiu_softc *sc = (struct vrpiu_softc *)self; 181 182 sc->sc_ab_paddata_mask = PIUAB_PADDATA_MASK; 183 sc->sc_pb_paddata_mask = PIUPB_PADDATA_MASK; 184 sc->sc_pb_paddata_max = PIUPB_PADDATA_MAX; 185 vrpiu_init(sc, aux); 186} 187 188static void 189vrc4173piuattach(struct device *parent, struct device *self, void *aux) 190{ 191 struct vrpiu_softc *sc = (struct vrpiu_softc *)self; 192 193 sc->sc_ab_paddata_mask = VRC4173PIUAB_PADDATA_MASK; 194 sc->sc_pb_paddata_mask = VRC4173PIUPB_PADDATA_MASK; 195 sc->sc_pb_paddata_max = VRC4173PIUPB_PADDATA_MAX; 196 vrpiu_init(sc, aux); 197} 198 199static void 200vrpiu_init(struct vrpiu_softc *sc, void *aux) 201{ 202 struct vrip_attach_args *va = aux; 203 struct wsmousedev_attach_args wsmaa; 204 int res; 205 bus_space_tag_t iot = va->va_iot; 206 struct platid_data *p; 207 208 if (va->va_parent_ioh != NULL) 209 res = bus_space_subregion(iot, va->va_parent_ioh, va->va_addr, 210 va->va_size, &sc->sc_ioh); 211 else 212 res = bus_space_map(iot, va->va_addr, va->va_size, 0, 213 &sc->sc_ioh); 214 if (res != 0) { 215 printf(": can't map bus space\n"); 216 return; 217 } 218 if (va->va_parent_ioh != NULL) 219 res = bus_space_subregion(iot, va->va_parent_ioh, va->va_addr2, 220 va->va_size2, &sc->sc_buf_ioh); 221 else 222 res = bus_space_map(iot, va->va_addr2, va->va_size2, 0, 223 &sc->sc_buf_ioh); 224 if (res != 0) { 225 printf(": can't map second bus space\n"); 226 return; 227 } 228 229 sc->sc_iot = iot; 230 sc->sc_unit = va->va_unit; 231 sc->sc_vrip = va->va_vc; 232 233 sc->sc_interval = scan_interval(WSMOUSE_RES_DEFAULT); 234 if ((p = platid_search_data(&platid, hpcbattery_parameters)) == NULL) 235 sc->sc_battery_spec = NULL; 236 else 237 sc->sc_battery_spec = p->data; 238 239 /* 240 * disable device until vrpiu_enable called 241 */ 242 sc->sc_tpstat = VRPIU_TP_STAT_DISABLE; 243 244 /* initialize touch panel timeout structure */ 245 callout_init(&sc->sc_tptimeout); 246 247 /* initialize calibration context */ 248 tpcalib_init(&sc->sc_tpcalib); 249#if 1 250 /* 251 * XXX, calibrate parameters 252 */ 253 { 254 int i; 255 static const struct { 256 platid_mask_t *mask; 257 struct wsmouse_calibcoords coords; 258 } calibrations[] = { 259 { &platid_mask_MACH_NEC_MCR_700, 260 { 0, 0, 799, 599, 261 4, 262 { { 115, 80, 0, 0 }, 263 { 115, 966, 0, 599 }, 264 { 912, 80, 799, 0 }, 265 { 912, 966, 799, 599 } } } }, 266 { &platid_mask_MACH_NEC_MCR_700A, 267 { 0, 0, 799, 599, 268 4, 269 { { 115, 80, 0, 0 }, 270 { 115, 966, 0, 599 }, 271 { 912, 80, 799, 0 }, 272 { 912, 966, 799, 599 } } } }, 273 { &platid_mask_MACH_NEC_MCR_730, 274 { 0, 0, 799, 599, 275 4, 276 { { 115, 80, 0, 0 }, 277 { 115, 966, 0, 599 }, 278 { 912, 80, 799, 0 }, 279 { 912, 966, 799, 599 } } } }, 280 { NULL, /* samples got on my MC-R500 */ 281 { 0, 0, 639, 239, 282 5, 283 { { 502, 486, 320, 120 }, 284 { 55, 109, 0, 0 }, 285 { 54, 913, 0, 239 }, 286 { 973, 924, 639, 239 }, 287 { 975, 123, 639, 0 } } } }, 288 }; 289 for (i = 0; ; i++) { 290 if (calibrations[i].mask == NULL 291 || platid_match(&platid, calibrations[i].mask)) 292 break; 293 } 294 tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS, 295 (caddr_t)&calibrations[i].coords, 0, 0); 296 } 297#endif 298 299 /* install interrupt handler and enable interrupt */ 300 if (!(sc->sc_handler = 301 vrip_intr_establish(sc->sc_vrip, sc->sc_unit, 0, IPL_TTY, 302 vrpiu_intr, sc))) { 303 printf (": can't map interrupt line.\n"); 304 return; 305 } 306 307 /* mask level2 interrupt, stop scan sequencer and mask clock to piu */ 308 vrpiu_tp_disable(sc); 309 310 printf("\n"); 311 312 wsmaa.accessops = &vrpiu_accessops; 313 wsmaa.accesscookie = sc; 314 315 /* 316 * attach the wsmouse 317 */ 318 sc->sc_wsmousedev = config_found(&sc->sc_dev, &wsmaa, wsmousedevprint); 319 320 /* 321 * power management events 322 */ 323 sc->sc_power_hook = powerhook_establish(vrpiu_power, sc); 324 325 /* 326 * init A/D port polling. 327 */ 328 sc->sc_battery.n_values = 3; 329 sc->sc_battery.value[0] = -1; 330 sc->sc_battery.value[1] = -1; 331 sc->sc_battery.value[2] = -1; 332 sc->sc_battery.nextpoll = hz*vrpiu_ad_poll_interval; 333 callout_init(&sc->sc_adpoll); 334 callout_reset(&sc->sc_adpoll, hz, vrpiu_start_powerstate, sc); 335} 336 337/* 338 * calculate interval value 339 * input: WSMOUSE_RES_MIN - WSMOUSE_RES_MAX 340 * output: value for PIUSIVL_REG 341 */ 342static u_int 343scan_interval(u_int data) 344{ 345 int scale; 346 347 if (data < WSMOUSE_RES_MIN) 348 data = WSMOUSE_RES_MIN; 349 350 if (WSMOUSE_RES_MAX < data) 351 data = WSMOUSE_RES_MAX; 352 353 scale = WSMOUSE_RES_MAX - WSMOUSE_RES_MIN; 354 data += WSMOUSE_RES_MIN; 355 356 return PIUSIVL_SCANINTVAL_MIN + 357 (PIUSIVL_SCANINTVAL_MAX - PIUSIVL_SCANINTVAL_MIN) * 358 (scale - data) / scale; 359} 360 361int 362vrpiu_ad_enable(void *v) 363{ 364 struct vrpiu_softc *sc = v; 365 int s; 366 unsigned int cnt; 367 368 DPRINTF(("%s(%d): vrpiu_ad_enable(): interval=0x%03x\n", 369 __FILE__, __LINE__, sc->sc_interval)); 370 if (sc->sc_adstat != VRPIU_AD_STAT_DISABLE) 371 return EBUSY; 372 373 /* supply clock to PIU */ 374 vrip_power(sc->sc_vrip, sc->sc_unit, 1); 375 376 /* set scan interval */ 377 vrpiu_write(sc, PIUSIVL_REG_W, sc->sc_interval); 378 379 s = spltty(); 380 381 /* clear interrupt status */ 382 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 383 384 /* Disable -> Standby */ 385 cnt = PIUCNT_PIUPWR | 386 PIUCNT_PIUMODE_COORDINATE | 387 PIUCNT_PADATSTART | PIUCNT_PADATSTOP; 388 vrpiu_write(sc, PIUCNT_REG_W, cnt); 389 390 /* Level2 interrupt register setting */ 391 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, AD_INTR, 1); 392 393 /* save pen status, touch or release */ 394 cnt = vrpiu_read(sc, PIUCNT_REG_W); 395 396 /* 397 * Enable scan sequencer operation 398 * Standby -> WaitPenTouch 399 */ 400 cnt |= PIUCNT_PIUSEQEN; 401 vrpiu_write(sc, PIUCNT_REG_W, cnt); 402 403 sc->sc_adstat = VRPIU_AD_STAT_ENABLE; 404 405 splx(s); 406 407 return 0; 408} 409 410void 411vrpiu_ad_disable(void *v) 412{ 413 struct vrpiu_softc *sc = v; 414 415 DPRINTF(("%s(%d): vrpiu_ad_disable()\n", __FILE__, __LINE__)); 416 417 /* Set level2 interrupt register to mask interrupts */ 418 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, AD_INTR, 0); 419 420 sc->sc_adstat = VRPIU_AD_STAT_DISABLE; 421 422 if (sc->sc_tpstat == VRPIU_TP_STAT_DISABLE){ 423 /* Disable scan sequencer operation and power off */ 424 vrpiu_write(sc, PIUCNT_REG_W, 0); 425 426 /* mask clock to PIU */ 427 vrip_power(sc->sc_vrip, sc->sc_unit, 0); 428 } 429} 430 431int 432vrpiu_tp_enable(void *v) 433{ 434 struct vrpiu_softc *sc = v; 435 int s; 436 unsigned int cnt; 437 438 DPRINTF(("%s(%d): vrpiu_tp_enable(): interval=0x%03x\n", 439 __FILE__, __LINE__, sc->sc_interval)); 440 if (sc->sc_tpstat != VRPIU_TP_STAT_DISABLE) 441 return EBUSY; 442 443 /* supply clock to PIU */ 444 vrip_power(sc->sc_vrip, sc->sc_unit, 1); 445 446 /* set scan interval */ 447 vrpiu_write(sc, PIUSIVL_REG_W, sc->sc_interval); 448 449 s = spltty(); 450 451 /* clear interrupt status */ 452 vrpiu_write(sc, PIUINT_REG_W, TP_INTR); 453 454 /* Disable -> Standby */ 455 cnt = PIUCNT_PIUPWR | 456 PIUCNT_PIUMODE_COORDINATE | 457 PIUCNT_PADATSTART | PIUCNT_PADATSTOP; 458 vrpiu_write(sc, PIUCNT_REG_W, cnt); 459 460 /* Level2 interrupt register setting */ 461 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 1); 462 463 /* save pen status, touch or release */ 464 cnt = vrpiu_read(sc, PIUCNT_REG_W); 465 466 /* 467 * Enable scan sequencer operation 468 * Standby -> WaitPenTouch 469 */ 470 cnt |= PIUCNT_PIUSEQEN; 471 vrpiu_write(sc, PIUCNT_REG_W, cnt); 472 473 /* transit status DISABLE -> TOUCH or RELEASE */ 474 sc->sc_tpstat = (cnt & PIUCNT_PENSTC) ? 475 VRPIU_TP_STAT_TOUCH : VRPIU_TP_STAT_RELEASE; 476 477 splx(s); 478 479 return 0; 480} 481 482void 483vrpiu_tp_disable(void *v) 484{ 485 struct vrpiu_softc *sc = v; 486 487 DPRINTF(("%s(%d): vrpiu_tp_disable()\n", __FILE__, __LINE__)); 488 489 /* Set level2 interrupt register to mask interrupts */ 490 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 0); 491 492 sc->sc_tpstat = VRPIU_TP_STAT_DISABLE; 493 494 if (sc->sc_adstat == VRPIU_AD_STAT_DISABLE){ 495 /* Disable scan sequencer operation and power off */ 496 vrpiu_write(sc, PIUCNT_REG_W, 0); 497 498 /* mask clock to PIU */ 499 vrip_power(sc->sc_vrip, sc->sc_unit, 0); 500 } 501} 502 503int 504vrpiu_tp_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) 505{ 506 struct vrpiu_softc *sc = v; 507 508 DPRINTF(("%s(%d): vrpiu_tp_ioctl(%08lx)\n", __FILE__, __LINE__, cmd)); 509 510 switch (cmd) { 511 case WSMOUSEIO_GTYPE: 512 *(u_int *)data = WSMOUSE_TYPE_TPANEL; 513 break; 514 515 case WSMOUSEIO_SRES: 516 { 517 int tp_enable; 518 int ad_enable; 519 520 tp_enable = (sc->sc_tpstat != VRPIU_TP_STAT_DISABLE); 521 ad_enable = (sc->sc_adstat != VRPIU_AD_STAT_DISABLE); 522 523 if (tp_enable) 524 vrpiu_tp_disable(sc); 525 if (ad_enable) 526 vrpiu_ad_disable(sc); 527 528 sc->sc_interval = scan_interval(*(u_int *)data); 529 DPRINTF(("%s(%d): WSMOUSEIO_SRES: *data=%d, interval=0x%03x\n", 530 __FILE__, __LINE__, *(u_int *)data, sc->sc_interval)); 531 532 if (sc->sc_interval < PIUSIVL_SCANINTVAL_MIN) 533 sc->sc_interval = PIUSIVL_SCANINTVAL_MIN; 534 535 if (PIUSIVL_SCANINTVAL_MAX < sc->sc_interval) 536 sc->sc_interval = PIUSIVL_SCANINTVAL_MAX; 537 538 if (tp_enable) 539 vrpiu_tp_enable(sc); 540 if (ad_enable) 541 vrpiu_ad_enable(sc); 542 } 543 break; 544 545 case WSMOUSEIO_SCALIBCOORDS: 546 case WSMOUSEIO_GCALIBCOORDS: 547 return tpcalib_ioctl(&sc->sc_tpcalib, cmd, data, flag, p); 548 549 default: 550 return (EPASSTHROUGH); 551 } 552 return (0); 553} 554 555/* 556 * PIU AD interrupt handler. 557 */ 558void 559vrpiu_ad_intr(struct vrpiu_softc *sc) 560{ 561 unsigned int i; 562 unsigned int intrstat; 563 564 intrstat = vrpiu_read(sc, PIUINT_REG_W); 565 566 if (sc->sc_adstat == VRPIU_AD_STAT_DISABLE) { 567 /* 568 * the device isn't enabled. just clear interrupt. 569 */ 570 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 571 return; 572 } 573 574 if (intrstat & PIUINT_PADADPINTR) { 575 sc->sc_battery.value[0] = (unsigned int) 576 vrpiu_buf_read(sc, PIUAB(0)); 577 sc->sc_battery.value[1] = (unsigned int) 578 vrpiu_buf_read(sc, PIUAB(1)); 579 sc->sc_battery.value[2] = (unsigned int) 580 vrpiu_buf_read(sc, PIUAB(2)); 581 } 582 583 if (intrstat & PIUINT_PADADPINTR) { 584 for (i = 0; i < 3; i++) { 585 if (sc->sc_battery.value[i] & PIUAB_VALID) 586 sc->sc_battery.value[i] &= 587 sc->sc_ab_paddata_mask; 588 else 589 sc->sc_battery.value[i] = 0; 590 } 591 vrpiu_calc_powerstate(sc); 592 } 593 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 594 595 return; 596} 597/* 598 * PIU TP interrupt handler. 599 */ 600void 601vrpiu_tp_intr(struct vrpiu_softc *sc) 602{ 603 unsigned int cnt, i; 604 unsigned int intrstat, page; 605 int tpx0, tpx1, tpy0, tpy1; 606 int x, y, xraw, yraw; 607 608 intrstat = vrpiu_read(sc, PIUINT_REG_W); 609 610 if (sc->sc_tpstat == VRPIU_TP_STAT_DISABLE) { 611 /* 612 * the device isn't enabled. just clear interrupt. 613 */ 614 vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR); 615 return; 616 } 617 618 page = (intrstat & PIUINT_OVP) ? 1 : 0; 619 if (intrstat & (PIUINT_PADPAGE0INTR | PIUINT_PADPAGE1INTR)) { 620 tpx0 = vrpiu_buf_read(sc, PIUPB(page, 0)); 621 tpx1 = vrpiu_buf_read(sc, PIUPB(page, 1)); 622 tpy0 = vrpiu_buf_read(sc, PIUPB(page, 2)); 623 tpy1 = vrpiu_buf_read(sc, PIUPB(page, 3)); 624 } 625 626 if (intrstat & PIUINT_PADDLOSTINTR) { 627 page = page ? 0 : 1; 628 for (i = 0; i < 4; i++) 629 vrpiu_buf_read(sc, PIUPB(page, i)); 630 } 631 632 cnt = vrpiu_read(sc, PIUCNT_REG_W); 633#ifdef DEBUG 634 if (vrpiu_debug) 635 vrpiu_dump_cntreg(cnt); 636#endif 637 638 /* clear interrupt status */ 639 vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR); 640 641#if 0 642 DPRINTF(("vrpiu_intr: OVP=%d", page)); 643 if (intrstat & PIUINT_PADCMDINTR) 644 DPRINTF((" CMD")); 645 if (intrstat & PIUINT_PADADPINTR) 646 DPRINTF((" A/D")); 647 if (intrstat & PIUINT_PADPAGE1INTR) 648 DPRINTF((" PAGE1")); 649 if (intrstat & PIUINT_PADPAGE0INTR) 650 DPRINTF((" PAGE0")); 651 if (intrstat & PIUINT_PADDLOSTINTR) 652 DPRINTF((" DLOST")); 653 if (intrstat & PIUINT_PENCHGINTR) 654 DPRINTF((" PENCHG")); 655 DPRINTF(("\n")); 656#endif 657 if (intrstat & (PIUINT_PADPAGE0INTR | PIUINT_PADPAGE1INTR)) { 658 /* 659 * just ignore scan data if status isn't Touch. 660 */ 661 if (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH) { 662 /* reset tp scan timeout */ 663 callout_reset(&sc->sc_tptimeout, VRPIU_TP_SCAN_TIMEOUT, 664 vrpiu_tp_timeout, sc); 665 666 if (!((tpx0 & PIUPB_VALID) && (tpx1 & PIUPB_VALID) && 667 (tpy0 & PIUPB_VALID) && (tpy1 & PIUPB_VALID))) { 668 printf("vrpiu: internal error," 669 " data is not valid!\n"); 670 } else { 671 tpx0 &= sc->sc_pb_paddata_mask; 672 tpx1 &= sc->sc_pb_paddata_mask; 673 tpy0 &= sc->sc_pb_paddata_mask; 674 tpy1 &= sc->sc_pb_paddata_mask; 675#define ISVALID(n, c, m) ((c) - (m) < (n) && (n) < (c) + (m)) 676 if (ISVALID(tpx0 + tpx1, sc->sc_pb_paddata_max, 200) && 677 ISVALID(tpy0 + tpy1, sc->sc_pb_paddata_max, 200)) { 678#if 0 679 DPRINTF(("%04x %04x %04x %04x\n", 680 tpx0, tpx1, tpy0, tpy1)); 681 DPRINTF(("%3d %3d (%4d %4d)->", tpx0, 682 tpy0, tpx0 + tpx1, tpy0 + tpy1)); 683#endif 684 xraw = tpy1 * sc->sc_pb_paddata_max / (tpy0 + tpy1); 685 yraw = tpx1 * sc->sc_pb_paddata_max / (tpx0 + tpx1); 686 DPRINTF(("%3d %3d", xraw, yraw)); 687 688 tpcalib_trans(&sc->sc_tpcalib, xraw, 689 yraw, &x, &y); 690 691 DPRINTF(("->%4d %4d", x, y)); 692 wsmouse_input(sc->sc_wsmousedev, 693 1, /* button 0 down */ 694 x, /* x */ 695 y, /* y */ 696 0, /* z */ 697 WSMOUSE_INPUT_ABSOLUTE_X | 698 WSMOUSE_INPUT_ABSOLUTE_Y); 699 DPRINTF(("\n")); 700 } 701 } 702 } 703 } 704 705 if (cnt & PIUCNT_PENSTC) { 706 if (sc->sc_tpstat == VRPIU_TP_STAT_RELEASE) { 707 /* 708 * pen touch 709 */ 710 DPRINTF(("PEN TOUCH\n")); 711 sc->sc_tpstat = VRPIU_TP_STAT_TOUCH; 712 /* 713 * We should not report button down event while 714 * we don't know where it occur. 715 */ 716 717 /* set tp scan timeout */ 718 callout_reset(&sc->sc_tptimeout, VRPIU_TP_SCAN_TIMEOUT, 719 vrpiu_tp_timeout, sc); 720 } 721 } else { 722 vrpiu_tp_up(sc); 723 } 724 725 if (intrstat & PIUINT_PADDLOSTINTR) { 726 cnt |= PIUCNT_PIUSEQEN; 727 vrpiu_write(sc, PIUCNT_REG_W, cnt); 728 } 729 730 return; 731} 732 733void 734vrpiu_tp_up(struct vrpiu_softc *sc) 735{ 736 if (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH) { 737 /* 738 * pen release 739 */ 740 DPRINTF(("RELEASE\n")); 741 sc->sc_tpstat = VRPIU_TP_STAT_RELEASE; 742 743 /* clear tp scan timeout */ 744 callout_stop(&sc->sc_tptimeout); 745 746 /* button 0 UP */ 747 wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0); 748 } 749} 750 751/* touch panel timeout handler */ 752void 753vrpiu_tp_timeout(void *v) 754{ 755 struct vrpiu_softc *sc = (struct vrpiu_softc *)v; 756 757#ifdef VRPIUDEBUG 758 { 759 unsigned int cnt = vrpiu_read(sc, PIUCNT_REG_W); 760 DPRINTF(("TIMEOUT: stat=%s reg=%s\n", 761 (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH)?"touch":"release", 762 (cnt & PIUCNT_PENSTC)?"touch":"release")); 763 } 764#endif 765 vrpiu_tp_up(sc); 766} 767 768/* 769 * PIU interrupt handler. 770 */ 771int 772vrpiu_intr(void *arg) 773{ 774 struct vrpiu_softc *sc = arg; 775 776 vrpiu_ad_intr(sc); 777 vrpiu_tp_intr(sc); 778 779 return 0; 780} 781 782void 783vrpiu_start_powerstate(void *v) 784{ 785 int mask; 786 struct vrpiu_softc *sc = (struct vrpiu_softc *)v; 787 788 vrpiu_ad_enable(sc); 789 mask = vrpiu_read(sc, PIUAMSK_REG_W); 790 mask &= 0xff8f; /* XXX */ 791 vrpiu_write(sc, PIUAMSK_REG_W, mask); 792 vrpiu_write(sc, PIUASCN_REG_W, PIUACN_ADPSSTART); 793 /* 794 * restart next A/D polling 795 */ 796 callout_reset(&sc->sc_adpoll, hz*vrpiu_ad_poll_interval, 797 vrpiu_start_powerstate, sc); 798} 799 800void 801vrpiu_calc_powerstate(struct vrpiu_softc *sc) 802{ 803 extern void vrgiu_diff_io(void); 804 vrpiu_ad_disable(sc); 805 VPRINTF(("vrpiu:AD: %d, %d, %d\n", 806 sc->sc_battery.value[0], 807 sc->sc_battery.value[1], 808 sc->sc_battery.value[2])); 809 sc->sc_battery.nextpoll = hz*vrpiu_ad_poll_interval; 810 vrpiu_send_battery_event(sc); 811 /* 812 * restart next A/D polling if change polling timming. 813 */ 814 if (sc->sc_battery.nextpoll != hz*vrpiu_ad_poll_interval) 815 callout_reset(&sc->sc_adpoll, sc->sc_battery.nextpoll, 816 vrpiu_start_powerstate, sc); 817 if (bootverbose) 818 vrgiu_diff_io(); 819 820} 821 822static void 823vrpiu_power(int why, void *arg) 824{ 825 struct vrpiu_softc *sc = arg; 826 827 switch (why) { 828 case PWR_STANDBY: 829 case PWR_SUSPEND: 830 break; 831 case PWR_RESUME: 832 callout_reset(&sc->sc_adpoll, hz, 833 vrpiu_start_powerstate, sc); 834 break; 835 } 836} 837 838static void 839vrpiu_send_battery_event(struct vrpiu_softc *sc) 840{ 841#ifdef VRPIU_ADHOC_BATTERY_EVENT 842 static int batteryhigh = 0; 843 static int batterylow = 0; 844 static int critical = 0; 845 846 if (sc->sc_battery_spec == NULL 847 || sc->sc_battery_spec->main_port == -1) 848 return; 849 850 if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 851 <= sc->sc_battery_spec->dc_critical) { 852 batteryhigh = 0; 853 config_hook_call(CONFIG_HOOK_PMEVENT, 854 CONFIG_HOOK_PMEVENT_BATTERY, 855 (void *)CONFIG_HOOK_BATT_CRITICAL); 856 batterylow = 3; 857 if (critical) { 858 config_hook_call(CONFIG_HOOK_PMEVENT, 859 CONFIG_HOOK_PMEVENT_SUSPENDREQ, 860 (void *)0); 861 critical = 0; 862 batterylow = 0; 863 } 864 critical++; 865 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 866 <= sc->sc_battery_spec->dc_20p) { 867 batteryhigh = 0; 868 if (batterylow == 1) 869 config_hook_call(CONFIG_HOOK_PMEVENT, 870 CONFIG_HOOK_PMEVENT_BATTERY, 871 (void *)CONFIG_HOOK_BATT_20P); 872 config_hook_call(CONFIG_HOOK_PMEVENT, 873 CONFIG_HOOK_PMEVENT_BATTERY, 874 (void *)CONFIG_HOOK_BATT_LOW); 875 batterylow = 2; 876 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 877 <= sc->sc_battery_spec->dc_50p) { 878 batteryhigh = 0; 879 if (batterylow == 0) { 880 batterylow = 1; 881 config_hook_call(CONFIG_HOOK_PMEVENT, 882 CONFIG_HOOK_PMEVENT_BATTERY, 883 (void *)CONFIG_HOOK_BATT_50P); 884 } 885 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 886 >= sc->sc_battery_spec->ac_80p) { 887 batterylow = 0; 888 if (batteryhigh == 0) { 889 batteryhigh = 1; 890 config_hook_call(CONFIG_HOOK_PMEVENT, 891 CONFIG_HOOK_PMEVENT_BATTERY, 892 (void *)CONFIG_HOOK_BATT_80P); 893 config_hook_call(CONFIG_HOOK_PMEVENT, 894 CONFIG_HOOK_PMEVENT_BATTERY, 895 (void *)CONFIG_HOOK_BATT_HIGH); 896 } 897 } 898#else /* VRPIU_ADHOC_BATTERY_EVENT */ 899 config_hook_call(CONFIG_HOOK_SET, 900 CONFIG_HOOK_BATTERYVAL, 901 (void *)&sc->sc_battery); 902#endif /* VRPIU_ADHOC_BATTERY_EVENT */ 903} 904 905#ifdef DEBUG 906void 907vrpiu_dump_cntreg(unsigned int cnt) 908{ 909 printf("%s", (cnt & PIUCNT_PENSTC) ? "Touch" : "Release"); 910 printf(" state="); 911 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_CmdScan) 912 printf("CmdScan"); 913 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_IntervalNextScan) 914 printf("IntervalNextScan"); 915 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_PenDataScan) 916 printf("PenDataScan"); 917 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_WaitPenTouch) 918 printf("WaitPenTouch"); 919 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_RFU) 920 printf("???"); 921 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_ADPortScan) 922 printf("ADPortScan"); 923 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_Standby) 924 printf("Standby"); 925 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_Disable) 926 printf("Disable"); 927 if (cnt & PIUCNT_PADATSTOP) 928 printf(" AutoStop"); 929 if (cnt & PIUCNT_PADATSTART) 930 printf(" AutoStart"); 931 if (cnt & PIUCNT_PADSCANSTOP) 932 printf(" Stop"); 933 if (cnt & PIUCNT_PADSCANSTART) 934 printf(" Start"); 935 if (cnt & PIUCNT_PADSCANTYPE) 936 printf(" ScanPressure"); 937 if ((cnt & PIUCNT_PIUMODE_MASK) == PIUCNT_PIUMODE_ADCONVERTER) 938 printf(" A/D"); 939 if ((cnt & PIUCNT_PIUMODE_MASK) == PIUCNT_PIUMODE_COORDINATE) 940 printf(" Coordinate"); 941 if (cnt & PIUCNT_PIUSEQEN) 942 printf(" SeqEn"); 943 if ((cnt & PIUCNT_PIUPWR) == 0) 944 printf(" PowerOff"); 945 if ((cnt & PIUCNT_PADRST) == 0) 946 printf(" Reset"); 947 printf("\n"); 948} 949#endif 950