vrpiu.c revision 1.31
1 /* $NetBSD: vrpiu.c,v 1.31 2003/12/26 11:13:40 shin 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 1.31 2003/12/26 11:13:40 shin 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/tpcalibvar.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 proc *); 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 { NULL, /* samples got on my MC-R500 */ 284 { 0, 0, 639, 239, 285 5, 286 { { 502, 486, 320, 120 }, 287 { 55, 109, 0, 0 }, 288 { 54, 913, 0, 239 }, 289 { 973, 924, 639, 239 }, 290 { 975, 123, 639, 0 } } } }, 291 }; 292 for (i = 0; ; i++) { 293 if (calibrations[i].mask == NULL 294 || platid_match(&platid, calibrations[i].mask)) 295 break; 296 } 297 tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS, 298 (caddr_t)&calibrations[i].coords, 0, 0); 299 } 300 #endif 301 302 /* install interrupt handler and enable interrupt */ 303 if (!(sc->sc_handler = 304 vrip_intr_establish(sc->sc_vrip, sc->sc_unit, 0, IPL_TTY, 305 vrpiu_intr, sc))) { 306 printf (": can't map interrupt line.\n"); 307 return; 308 } 309 310 /* mask level2 interrupt, stop scan sequencer and mask clock to piu */ 311 vrpiu_tp_disable(sc); 312 313 printf("\n"); 314 315 wsmaa.accessops = &vrpiu_accessops; 316 wsmaa.accesscookie = sc; 317 318 /* 319 * attach the wsmouse 320 */ 321 sc->sc_wsmousedev = config_found(&sc->sc_dev, &wsmaa, wsmousedevprint); 322 323 /* 324 * power management events 325 */ 326 sc->sc_power_hook = powerhook_establish(vrpiu_power, sc); 327 328 /* 329 * init A/D port polling. 330 */ 331 sc->sc_battery.n_values = 3; 332 sc->sc_battery.value[0] = -1; 333 sc->sc_battery.value[1] = -1; 334 sc->sc_battery.value[2] = -1; 335 sc->sc_battery.nextpoll = hz*vrpiu_ad_poll_interval; 336 callout_init(&sc->sc_adpoll); 337 callout_reset(&sc->sc_adpoll, hz, vrpiu_start_powerstate, sc); 338 } 339 340 /* 341 * calculate interval value 342 * input: WSMOUSE_RES_MIN - WSMOUSE_RES_MAX 343 * output: value for PIUSIVL_REG 344 */ 345 static u_int 346 scan_interval(u_int data) 347 { 348 int scale; 349 350 if (data < WSMOUSE_RES_MIN) 351 data = WSMOUSE_RES_MIN; 352 353 if (WSMOUSE_RES_MAX < data) 354 data = WSMOUSE_RES_MAX; 355 356 scale = WSMOUSE_RES_MAX - WSMOUSE_RES_MIN; 357 data += WSMOUSE_RES_MIN; 358 359 return PIUSIVL_SCANINTVAL_MIN + 360 (PIUSIVL_SCANINTVAL_MAX - PIUSIVL_SCANINTVAL_MIN) * 361 (scale - data) / scale; 362 } 363 364 int 365 vrpiu_ad_enable(void *v) 366 { 367 struct vrpiu_softc *sc = v; 368 int s; 369 unsigned int cnt; 370 371 DPRINTF(("%s(%d): vrpiu_ad_enable(): interval=0x%03x\n", 372 __FILE__, __LINE__, sc->sc_interval)); 373 if (sc->sc_adstat != VRPIU_AD_STAT_DISABLE) 374 return EBUSY; 375 376 /* supply clock to PIU */ 377 vrip_power(sc->sc_vrip, sc->sc_unit, 1); 378 379 /* set scan interval */ 380 vrpiu_write(sc, PIUSIVL_REG_W, sc->sc_interval); 381 382 s = spltty(); 383 384 /* clear interrupt status */ 385 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 386 387 /* Disable -> Standby */ 388 cnt = PIUCNT_PIUPWR | 389 PIUCNT_PIUMODE_COORDINATE | 390 PIUCNT_PADATSTART | PIUCNT_PADATSTOP; 391 vrpiu_write(sc, PIUCNT_REG_W, cnt); 392 393 /* Level2 interrupt register setting */ 394 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, AD_INTR, 1); 395 396 /* save pen status, touch or release */ 397 cnt = vrpiu_read(sc, PIUCNT_REG_W); 398 399 /* 400 * Enable scan sequencer operation 401 * Standby -> WaitPenTouch 402 */ 403 cnt |= PIUCNT_PIUSEQEN; 404 vrpiu_write(sc, PIUCNT_REG_W, cnt); 405 406 sc->sc_adstat = VRPIU_AD_STAT_ENABLE; 407 408 splx(s); 409 410 return 0; 411 } 412 413 void 414 vrpiu_ad_disable(void *v) 415 { 416 struct vrpiu_softc *sc = v; 417 418 DPRINTF(("%s(%d): vrpiu_ad_disable()\n", __FILE__, __LINE__)); 419 420 /* Set level2 interrupt register to mask interrupts */ 421 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, AD_INTR, 0); 422 423 sc->sc_adstat = VRPIU_AD_STAT_DISABLE; 424 425 if (sc->sc_tpstat == VRPIU_TP_STAT_DISABLE){ 426 /* Disable scan sequencer operation and power off */ 427 vrpiu_write(sc, PIUCNT_REG_W, 0); 428 429 /* mask clock to PIU */ 430 vrip_power(sc->sc_vrip, sc->sc_unit, 0); 431 } 432 } 433 434 int 435 vrpiu_tp_enable(void *v) 436 { 437 struct vrpiu_softc *sc = v; 438 int s; 439 unsigned int cnt; 440 441 DPRINTF(("%s(%d): vrpiu_tp_enable(): interval=0x%03x\n", 442 __FILE__, __LINE__, sc->sc_interval)); 443 if (sc->sc_tpstat != VRPIU_TP_STAT_DISABLE) 444 return EBUSY; 445 446 /* supply clock to PIU */ 447 vrip_power(sc->sc_vrip, sc->sc_unit, 1); 448 449 /* set scan interval */ 450 vrpiu_write(sc, PIUSIVL_REG_W, sc->sc_interval); 451 452 s = spltty(); 453 454 /* clear interrupt status */ 455 vrpiu_write(sc, PIUINT_REG_W, TP_INTR); 456 457 /* Disable -> Standby */ 458 cnt = PIUCNT_PIUPWR | 459 PIUCNT_PIUMODE_COORDINATE | 460 PIUCNT_PADATSTART | PIUCNT_PADATSTOP; 461 vrpiu_write(sc, PIUCNT_REG_W, cnt); 462 463 /* Level2 interrupt register setting */ 464 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 1); 465 466 /* save pen status, touch or release */ 467 cnt = vrpiu_read(sc, PIUCNT_REG_W); 468 469 /* 470 * Enable scan sequencer operation 471 * Standby -> WaitPenTouch 472 */ 473 cnt |= PIUCNT_PIUSEQEN; 474 vrpiu_write(sc, PIUCNT_REG_W, cnt); 475 476 /* transit status DISABLE -> TOUCH or RELEASE */ 477 sc->sc_tpstat = (cnt & PIUCNT_PENSTC) ? 478 VRPIU_TP_STAT_TOUCH : VRPIU_TP_STAT_RELEASE; 479 480 splx(s); 481 482 return 0; 483 } 484 485 void 486 vrpiu_tp_disable(void *v) 487 { 488 struct vrpiu_softc *sc = v; 489 490 DPRINTF(("%s(%d): vrpiu_tp_disable()\n", __FILE__, __LINE__)); 491 492 /* Set level2 interrupt register to mask interrupts */ 493 vrip_intr_setmask2(sc->sc_vrip, sc->sc_handler, TP_INTR, 0); 494 495 sc->sc_tpstat = VRPIU_TP_STAT_DISABLE; 496 497 if (sc->sc_adstat == VRPIU_AD_STAT_DISABLE){ 498 /* Disable scan sequencer operation and power off */ 499 vrpiu_write(sc, PIUCNT_REG_W, 0); 500 501 /* mask clock to PIU */ 502 vrip_power(sc->sc_vrip, sc->sc_unit, 0); 503 } 504 } 505 506 int 507 vrpiu_tp_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) 508 { 509 struct vrpiu_softc *sc = v; 510 511 DPRINTF(("%s(%d): vrpiu_tp_ioctl(%08lx)\n", __FILE__, __LINE__, cmd)); 512 513 switch (cmd) { 514 case WSMOUSEIO_GTYPE: 515 *(u_int *)data = WSMOUSE_TYPE_TPANEL; 516 break; 517 518 case WSMOUSEIO_SRES: 519 { 520 int tp_enable; 521 int ad_enable; 522 523 tp_enable = (sc->sc_tpstat != VRPIU_TP_STAT_DISABLE); 524 ad_enable = (sc->sc_adstat != VRPIU_AD_STAT_DISABLE); 525 526 if (tp_enable) 527 vrpiu_tp_disable(sc); 528 if (ad_enable) 529 vrpiu_ad_disable(sc); 530 531 sc->sc_interval = scan_interval(*(u_int *)data); 532 DPRINTF(("%s(%d): WSMOUSEIO_SRES: *data=%d, interval=0x%03x\n", 533 __FILE__, __LINE__, *(u_int *)data, sc->sc_interval)); 534 535 if (sc->sc_interval < PIUSIVL_SCANINTVAL_MIN) 536 sc->sc_interval = PIUSIVL_SCANINTVAL_MIN; 537 538 if (PIUSIVL_SCANINTVAL_MAX < sc->sc_interval) 539 sc->sc_interval = PIUSIVL_SCANINTVAL_MAX; 540 541 if (tp_enable) 542 vrpiu_tp_enable(sc); 543 if (ad_enable) 544 vrpiu_ad_enable(sc); 545 } 546 break; 547 548 case WSMOUSEIO_SCALIBCOORDS: 549 case WSMOUSEIO_GCALIBCOORDS: 550 case WSMOUSEIO_GETID: 551 return tpcalib_ioctl(&sc->sc_tpcalib, cmd, data, flag, p); 552 553 default: 554 return (EPASSTHROUGH); 555 } 556 return (0); 557 } 558 559 /* 560 * PIU AD interrupt handler. 561 */ 562 void 563 vrpiu_ad_intr(struct vrpiu_softc *sc) 564 { 565 unsigned int i; 566 unsigned int intrstat; 567 568 intrstat = vrpiu_read(sc, PIUINT_REG_W); 569 570 if (sc->sc_adstat == VRPIU_AD_STAT_DISABLE) { 571 /* 572 * the device isn't enabled. just clear interrupt. 573 */ 574 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 575 return; 576 } 577 578 if (intrstat & PIUINT_PADADPINTR) { 579 sc->sc_battery.value[0] = (unsigned int) 580 vrpiu_buf_read(sc, PIUAB(0)); 581 sc->sc_battery.value[1] = (unsigned int) 582 vrpiu_buf_read(sc, PIUAB(1)); 583 sc->sc_battery.value[2] = (unsigned int) 584 vrpiu_buf_read(sc, PIUAB(2)); 585 } 586 587 if (intrstat & PIUINT_PADADPINTR) { 588 for (i = 0; i < 3; i++) { 589 if (sc->sc_battery.value[i] & PIUAB_VALID) 590 sc->sc_battery.value[i] &= 591 sc->sc_ab_paddata_mask; 592 else 593 sc->sc_battery.value[i] = 0; 594 } 595 vrpiu_calc_powerstate(sc); 596 } 597 vrpiu_write(sc, PIUINT_REG_W, AD_INTR); 598 599 return; 600 } 601 /* 602 * PIU TP interrupt handler. 603 */ 604 void 605 vrpiu_tp_intr(struct vrpiu_softc *sc) 606 { 607 unsigned int cnt, i; 608 unsigned int intrstat, page; 609 int tpx0, tpx1, tpy0, tpy1; 610 int x, y, xraw, yraw; 611 612 tpx0 = tpx1 = tpy0 = tpy1 = 0; /* XXX: gcc -Wuninitialized */ 613 614 intrstat = vrpiu_read(sc, PIUINT_REG_W); 615 616 if (sc->sc_tpstat == VRPIU_TP_STAT_DISABLE) { 617 /* 618 * the device isn't enabled. just clear interrupt. 619 */ 620 vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR); 621 return; 622 } 623 624 page = (intrstat & PIUINT_OVP) ? 1 : 0; 625 if (intrstat & (PIUINT_PADPAGE0INTR | PIUINT_PADPAGE1INTR)) { 626 tpx0 = vrpiu_buf_read(sc, PIUPB(page, 0)); 627 tpx1 = vrpiu_buf_read(sc, PIUPB(page, 1)); 628 tpy0 = vrpiu_buf_read(sc, PIUPB(page, 2)); 629 tpy1 = vrpiu_buf_read(sc, PIUPB(page, 3)); 630 } 631 632 if (intrstat & PIUINT_PADDLOSTINTR) { 633 page = page ? 0 : 1; 634 for (i = 0; i < 4; i++) 635 vrpiu_buf_read(sc, PIUPB(page, i)); 636 } 637 638 cnt = vrpiu_read(sc, PIUCNT_REG_W); 639 #ifdef DEBUG 640 if (vrpiu_debug) 641 vrpiu_dump_cntreg(cnt); 642 #endif 643 644 /* clear interrupt status */ 645 vrpiu_write(sc, PIUINT_REG_W, intrstat & TP_INTR); 646 647 #if 0 648 DPRINTF(("vrpiu_intr: OVP=%d", page)); 649 if (intrstat & PIUINT_PADCMDINTR) 650 DPRINTF((" CMD")); 651 if (intrstat & PIUINT_PADADPINTR) 652 DPRINTF((" A/D")); 653 if (intrstat & PIUINT_PADPAGE1INTR) 654 DPRINTF((" PAGE1")); 655 if (intrstat & PIUINT_PADPAGE0INTR) 656 DPRINTF((" PAGE0")); 657 if (intrstat & PIUINT_PADDLOSTINTR) 658 DPRINTF((" DLOST")); 659 if (intrstat & PIUINT_PENCHGINTR) 660 DPRINTF((" PENCHG")); 661 DPRINTF(("\n")); 662 #endif 663 if (intrstat & (PIUINT_PADPAGE0INTR | PIUINT_PADPAGE1INTR)) { 664 /* 665 * just ignore scan data if status isn't Touch. 666 */ 667 if (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH) { 668 /* reset tp scan timeout */ 669 callout_reset(&sc->sc_tptimeout, VRPIU_TP_SCAN_TIMEOUT, 670 vrpiu_tp_timeout, sc); 671 672 if (!((tpx0 & PIUPB_VALID) && (tpx1 & PIUPB_VALID) && 673 (tpy0 & PIUPB_VALID) && (tpy1 & PIUPB_VALID))) { 674 printf("vrpiu: internal error," 675 " data is not valid!\n"); 676 } else { 677 tpx0 &= sc->sc_pb_paddata_mask; 678 tpx1 &= sc->sc_pb_paddata_mask; 679 tpy0 &= sc->sc_pb_paddata_mask; 680 tpy1 &= sc->sc_pb_paddata_mask; 681 #define ISVALID(n, c) ((c) - (c)/5 < (n) && (n) < (c) + (c)/5) 682 if (ISVALID(tpx0 + tpx1, sc->sc_pb_paddata_max) && 683 ISVALID(tpy0 + tpy1, sc->sc_pb_paddata_max)) { 684 #if 0 685 DPRINTF(("%04x %04x %04x %04x\n", 686 tpx0, tpx1, tpy0, tpy1)); 687 DPRINTF(("%3d %3d (%4d %4d)->", tpx0, 688 tpy0, tpx0 + tpx1, tpy0 + tpy1)); 689 #endif 690 xraw = tpy1 * sc->sc_pb_paddata_max / (tpy0 + tpy1); 691 yraw = tpx1 * sc->sc_pb_paddata_max / (tpx0 + tpx1); 692 DPRINTF(("%3d %3d", xraw, yraw)); 693 694 tpcalib_trans(&sc->sc_tpcalib, xraw, 695 yraw, &x, &y); 696 697 DPRINTF(("->%4d %4d", x, y)); 698 wsmouse_input(sc->sc_wsmousedev, 699 1, /* button 0 down */ 700 x, /* x */ 701 y, /* y */ 702 0, /* z */ 703 WSMOUSE_INPUT_ABSOLUTE_X | 704 WSMOUSE_INPUT_ABSOLUTE_Y); 705 DPRINTF(("\n")); 706 } 707 } 708 } 709 } 710 711 if (cnt & PIUCNT_PENSTC) { 712 if (sc->sc_tpstat == VRPIU_TP_STAT_RELEASE) { 713 /* 714 * pen touch 715 */ 716 DPRINTF(("PEN TOUCH\n")); 717 sc->sc_tpstat = VRPIU_TP_STAT_TOUCH; 718 /* 719 * We should not report button down event while 720 * we don't know where it occur. 721 */ 722 723 /* set tp scan timeout */ 724 callout_reset(&sc->sc_tptimeout, VRPIU_TP_SCAN_TIMEOUT, 725 vrpiu_tp_timeout, sc); 726 } 727 } else { 728 vrpiu_tp_up(sc); 729 } 730 731 if (intrstat & PIUINT_PADDLOSTINTR) { 732 cnt |= PIUCNT_PIUSEQEN; 733 vrpiu_write(sc, PIUCNT_REG_W, cnt); 734 } 735 736 return; 737 } 738 739 void 740 vrpiu_tp_up(struct vrpiu_softc *sc) 741 { 742 if (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH) { 743 /* 744 * pen release 745 */ 746 DPRINTF(("RELEASE\n")); 747 sc->sc_tpstat = VRPIU_TP_STAT_RELEASE; 748 749 /* clear tp scan timeout */ 750 callout_stop(&sc->sc_tptimeout); 751 752 /* button 0 UP */ 753 wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0); 754 } 755 } 756 757 /* touch panel timeout handler */ 758 void 759 vrpiu_tp_timeout(void *v) 760 { 761 struct vrpiu_softc *sc = (struct vrpiu_softc *)v; 762 763 #ifdef VRPIUDEBUG 764 { 765 unsigned int cnt = vrpiu_read(sc, PIUCNT_REG_W); 766 DPRINTF(("TIMEOUT: stat=%s reg=%s\n", 767 (sc->sc_tpstat == VRPIU_TP_STAT_TOUCH)?"touch":"release", 768 (cnt & PIUCNT_PENSTC)?"touch":"release")); 769 } 770 #endif 771 vrpiu_tp_up(sc); 772 } 773 774 /* 775 * PIU interrupt handler. 776 */ 777 int 778 vrpiu_intr(void *arg) 779 { 780 struct vrpiu_softc *sc = arg; 781 782 vrpiu_ad_intr(sc); 783 vrpiu_tp_intr(sc); 784 785 return 0; 786 } 787 788 void 789 vrpiu_start_powerstate(void *v) 790 { 791 int mask; 792 struct vrpiu_softc *sc = (struct vrpiu_softc *)v; 793 794 vrpiu_ad_enable(sc); 795 mask = vrpiu_read(sc, PIUAMSK_REG_W); 796 mask &= 0xff8f; /* XXX */ 797 vrpiu_write(sc, PIUAMSK_REG_W, mask); 798 vrpiu_write(sc, PIUASCN_REG_W, PIUACN_ADPSSTART); 799 /* 800 * restart next A/D polling 801 */ 802 callout_reset(&sc->sc_adpoll, hz*vrpiu_ad_poll_interval, 803 vrpiu_start_powerstate, sc); 804 } 805 806 void 807 vrpiu_calc_powerstate(struct vrpiu_softc *sc) 808 { 809 extern void vrgiu_diff_io(void); 810 vrpiu_ad_disable(sc); 811 VPRINTF(("vrpiu:AD: %d, %d, %d\n", 812 sc->sc_battery.value[0], 813 sc->sc_battery.value[1], 814 sc->sc_battery.value[2])); 815 sc->sc_battery.nextpoll = hz*vrpiu_ad_poll_interval; 816 vrpiu_send_battery_event(sc); 817 /* 818 * restart next A/D polling if change polling timming. 819 */ 820 if (sc->sc_battery.nextpoll != hz*vrpiu_ad_poll_interval) 821 callout_reset(&sc->sc_adpoll, sc->sc_battery.nextpoll, 822 vrpiu_start_powerstate, sc); 823 if (bootverbose) 824 vrgiu_diff_io(); 825 826 } 827 828 static void 829 vrpiu_power(int why, void *arg) 830 { 831 struct vrpiu_softc *sc = arg; 832 833 switch (why) { 834 case PWR_STANDBY: 835 case PWR_SUSPEND: 836 break; 837 case PWR_RESUME: 838 callout_reset(&sc->sc_adpoll, hz, 839 vrpiu_start_powerstate, sc); 840 break; 841 } 842 } 843 844 static void 845 vrpiu_send_battery_event(struct vrpiu_softc *sc) 846 { 847 #ifdef VRPIU_ADHOC_BATTERY_EVENT 848 static int batteryhigh = 0; 849 static int batterylow = 0; 850 static int critical = 0; 851 852 if (sc->sc_battery_spec == NULL 853 || sc->sc_battery_spec->main_port == -1) 854 return; 855 856 if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 857 <= sc->sc_battery_spec->dc_critical) { 858 batteryhigh = 0; 859 config_hook_call(CONFIG_HOOK_PMEVENT, 860 CONFIG_HOOK_PMEVENT_BATTERY, 861 (void *)CONFIG_HOOK_BATT_CRITICAL); 862 batterylow = 3; 863 if (critical) { 864 config_hook_call(CONFIG_HOOK_PMEVENT, 865 CONFIG_HOOK_PMEVENT_SUSPENDREQ, 866 (void *)0); 867 critical = 0; 868 batterylow = 0; 869 } 870 critical++; 871 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 872 <= sc->sc_battery_spec->dc_20p) { 873 batteryhigh = 0; 874 if (batterylow == 1) 875 config_hook_call(CONFIG_HOOK_PMEVENT, 876 CONFIG_HOOK_PMEVENT_BATTERY, 877 (void *)CONFIG_HOOK_BATT_20P); 878 config_hook_call(CONFIG_HOOK_PMEVENT, 879 CONFIG_HOOK_PMEVENT_BATTERY, 880 (void *)CONFIG_HOOK_BATT_LOW); 881 batterylow = 2; 882 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 883 <= sc->sc_battery_spec->dc_50p) { 884 batteryhigh = 0; 885 if (batterylow == 0) { 886 batterylow = 1; 887 config_hook_call(CONFIG_HOOK_PMEVENT, 888 CONFIG_HOOK_PMEVENT_BATTERY, 889 (void *)CONFIG_HOOK_BATT_50P); 890 } 891 } else if (sc->sc_battery.value[sc->sc_battery_spec->main_port] 892 >= sc->sc_battery_spec->ac_80p) { 893 batterylow = 0; 894 if (batteryhigh == 0) { 895 batteryhigh = 1; 896 config_hook_call(CONFIG_HOOK_PMEVENT, 897 CONFIG_HOOK_PMEVENT_BATTERY, 898 (void *)CONFIG_HOOK_BATT_80P); 899 config_hook_call(CONFIG_HOOK_PMEVENT, 900 CONFIG_HOOK_PMEVENT_BATTERY, 901 (void *)CONFIG_HOOK_BATT_HIGH); 902 } 903 } 904 #else /* VRPIU_ADHOC_BATTERY_EVENT */ 905 config_hook_call(CONFIG_HOOK_SET, 906 CONFIG_HOOK_BATTERYVAL, 907 (void *)&sc->sc_battery); 908 #endif /* VRPIU_ADHOC_BATTERY_EVENT */ 909 } 910 911 #ifdef DEBUG 912 void 913 vrpiu_dump_cntreg(unsigned int cnt) 914 { 915 printf("%s", (cnt & PIUCNT_PENSTC) ? "Touch" : "Release"); 916 printf(" state="); 917 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_CmdScan) 918 printf("CmdScan"); 919 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_IntervalNextScan) 920 printf("IntervalNextScan"); 921 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_PenDataScan) 922 printf("PenDataScan"); 923 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_WaitPenTouch) 924 printf("WaitPenTouch"); 925 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_RFU) 926 printf("???"); 927 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_ADPortScan) 928 printf("ADPortScan"); 929 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_Standby) 930 printf("Standby"); 931 if ((cnt & PIUCNT_PADSTATE_MASK) == PIUCNT_PADSTATE_Disable) 932 printf("Disable"); 933 if (cnt & PIUCNT_PADATSTOP) 934 printf(" AutoStop"); 935 if (cnt & PIUCNT_PADATSTART) 936 printf(" AutoStart"); 937 if (cnt & PIUCNT_PADSCANSTOP) 938 printf(" Stop"); 939 if (cnt & PIUCNT_PADSCANSTART) 940 printf(" Start"); 941 if (cnt & PIUCNT_PADSCANTYPE) 942 printf(" ScanPressure"); 943 if ((cnt & PIUCNT_PIUMODE_MASK) == PIUCNT_PIUMODE_ADCONVERTER) 944 printf(" A/D"); 945 if ((cnt & PIUCNT_PIUMODE_MASK) == PIUCNT_PIUMODE_COORDINATE) 946 printf(" Coordinate"); 947 if (cnt & PIUCNT_PIUSEQEN) 948 printf(" SeqEn"); 949 if ((cnt & PIUCNT_PIUPWR) == 0) 950 printf(" PowerOff"); 951 if ((cnt & PIUCNT_PADRST) == 0) 952 printf(" Reset"); 953 printf("\n"); 954 } 955 #endif 956
Indexes created Tue Sep 30 06:09:59 GMT 2025