acpi.c revision 1.73
1 /* $NetBSD: acpi.c,v 1.73 2005/06/21 08:19:25 sekiya Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum of By Noon Software, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright 2001, 2003 Wasabi Systems, Inc. 41 * All rights reserved. 42 * 43 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. All advertising materials mentioning features or use of this software 54 * must display the following acknowledgement: 55 * This product includes software developed for the NetBSD Project by 56 * Wasabi Systems, Inc. 57 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 58 * or promote products derived from this software without specific prior 59 * written permission. 60 * 61 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 63 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 64 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 65 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 66 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 67 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 68 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 69 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 70 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 71 * POSSIBILITY OF SUCH DAMAGE. 72 */ 73 74 /* 75 * Autoconfiguration support for the Intel ACPI Component Architecture 76 * ACPI reference implementation. 77 */ 78 79 #include <sys/cdefs.h> 80 __KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.73 2005/06/21 08:19:25 sekiya Exp $"); 81 82 #include "opt_acpi.h" 83 #include "opt_pcifixup.h" 84 85 #include <sys/param.h> 86 #include <sys/systm.h> 87 #include <sys/device.h> 88 #include <sys/malloc.h> 89 #include <sys/kernel.h> 90 #include <sys/proc.h> 91 92 #include <dev/acpi/acpica.h> 93 #include <dev/acpi/acpireg.h> 94 #include <dev/acpi/acpivar.h> 95 #include <dev/acpi/acpi_osd.h> 96 #ifdef ACPIVERBOSE 97 #include <dev/acpi/acpidevs_data.h> 98 #endif 99 100 #ifdef PCI_INTR_FIXUP 101 #include <dev/pci/pcidevs.h> 102 #endif 103 104 MALLOC_DECLARE(M_ACPI); 105 106 #include <machine/acpi_machdep.h> 107 108 #ifdef ACPI_DEBUGGER 109 #define ACPI_DBGR_INIT 0x01 110 #define ACPI_DBGR_TABLES 0x02 111 #define ACPI_DBGR_ENABLE 0x04 112 #define ACPI_DBGR_PROBE 0x08 113 #define ACPI_DBGR_RUNNING 0x10 114 115 int acpi_dbgr = 0x00; 116 #endif 117 118 static int acpi_match(struct device *, struct cfdata *, void *); 119 static void acpi_attach(struct device *, struct device *, void *); 120 121 static int acpi_print(void *aux, const char *); 122 123 extern struct cfdriver acpi_cd; 124 125 CFATTACH_DECL(acpi, sizeof(struct acpi_softc), 126 acpi_match, acpi_attach, NULL, NULL); 127 128 /* 129 * This is a flag we set when the ACPI subsystem is active. Machine 130 * dependent code may wish to skip other steps (such as attaching 131 * subsystems that ACPI supercedes) when ACPI is active. 132 */ 133 int acpi_active; 134 135 /* 136 * Pointer to the ACPI subsystem's state. There can be only 137 * one ACPI instance. 138 */ 139 struct acpi_softc *acpi_softc; 140 141 /* 142 * Locking stuff. 143 */ 144 static struct simplelock acpi_slock; 145 static int acpi_locked; 146 147 /* 148 * Prototypes. 149 */ 150 static void acpi_shutdown(void *); 151 static ACPI_STATUS acpi_disable(struct acpi_softc *sc); 152 static void acpi_build_tree(struct acpi_softc *); 153 static ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **); 154 155 static void acpi_enable_fixed_events(struct acpi_softc *); 156 #ifdef PCI_INTR_FIXUP 157 void acpi_pci_fixup(struct acpi_softc *); 158 #endif 159 #if defined(PCI_INTR_FIXUP) || defined(ACPI_ACTIVATE_DEV) 160 static ACPI_STATUS acpi_allocate_resources(ACPI_HANDLE handle); 161 #endif 162 163 /* 164 * acpi_probe: 165 * 166 * Probe for ACPI support. This is called by the 167 * machine-dependent ACPI front-end. All of the 168 * actual work is done by ACPICA. 169 * 170 * NOTE: This is not an autoconfiguration interface function. 171 */ 172 int 173 acpi_probe(void) 174 { 175 static int beenhere; 176 ACPI_STATUS rv; 177 178 if (beenhere != 0) 179 panic("acpi_probe: ACPI has already been probed"); 180 beenhere = 1; 181 182 simple_lock_init(&acpi_slock); 183 acpi_locked = 0; 184 185 /* 186 * Start up ACPICA. 187 */ 188 #ifdef ACPI_DEBUGGER 189 if (acpi_dbgr & ACPI_DBGR_INIT) 190 acpi_osd_debugger(); 191 #endif 192 193 rv = AcpiInitializeSubsystem(); 194 if (ACPI_FAILURE(rv)) { 195 printf("ACPI: unable to initialize ACPICA: %s\n", 196 AcpiFormatException(rv)); 197 return 0; 198 } 199 200 #ifdef ACPI_DEBUGGER 201 if (acpi_dbgr & ACPI_DBGR_TABLES) 202 acpi_osd_debugger(); 203 #endif 204 205 rv = AcpiLoadTables(); 206 if (ACPI_FAILURE(rv)) { 207 printf("ACPI: unable to load tables: %s\n", 208 AcpiFormatException(rv)); 209 return 0; 210 } 211 212 /* 213 * Looks like we have ACPI! 214 */ 215 216 return 1; 217 } 218 219 /* 220 * acpi_match: 221 * 222 * Autoconfiguration `match' routine. 223 */ 224 static int 225 acpi_match(struct device *parent, struct cfdata *match, void *aux) 226 { 227 /* 228 * XXX Check other locators? Hard to know -- machine 229 * dependent code has already checked for the presence 230 * of ACPI by calling acpi_probe(), so I suppose we 231 * don't really have to do anything else. 232 */ 233 return 1; 234 } 235 236 /* 237 * acpi_attach: 238 * 239 * Autoconfiguration `attach' routine. Finish initializing 240 * ACPICA (some initialization was done in acpi_probe(), 241 * which was required to check for the presence of ACPI), 242 * and enable the ACPI subsystem. 243 */ 244 static void 245 acpi_attach(struct device *parent, struct device *self, void *aux) 246 { 247 struct acpi_softc *sc = (void *) self; 248 struct acpibus_attach_args *aa = aux; 249 ACPI_STATUS rv; 250 251 printf("\n"); 252 253 if (acpi_softc != NULL) 254 panic("acpi_attach: ACPI has already been attached"); 255 256 sysmon_power_settype("acpi"); 257 258 printf("%s: using Intel ACPI CA subsystem version %08x\n", 259 sc->sc_dev.dv_xname, ACPI_CA_VERSION); 260 261 printf("%s: X/RSDT: OemId <%6.6s,%8.8s,%08x>, AslId <%4.4s,%08x>\n", 262 sc->sc_dev.dv_xname, 263 AcpiGbl_XSDT->OemId, AcpiGbl_XSDT->OemTableId, 264 AcpiGbl_XSDT->OemRevision, 265 AcpiGbl_XSDT->AslCompilerId, AcpiGbl_XSDT->AslCompilerRevision); 266 267 sc->sc_quirks = acpi_find_quirks(); 268 269 sc->sc_iot = aa->aa_iot; 270 sc->sc_memt = aa->aa_memt; 271 sc->sc_pc = aa->aa_pc; 272 sc->sc_pciflags = aa->aa_pciflags; 273 sc->sc_ic = aa->aa_ic; 274 275 acpi_softc = sc; 276 277 /* 278 * Bring ACPI on-line. 279 */ 280 #ifdef ACPI_DEBUGGER 281 if (acpi_dbgr & ACPI_DBGR_ENABLE) 282 acpi_osd_debugger(); 283 #endif 284 285 rv = AcpiEnableSubsystem(0); 286 if (ACPI_FAILURE(rv)) { 287 printf("%s: unable to enable ACPI: %s\n", 288 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 289 return; 290 } 291 292 /* early EC handler initialization if ECDT table is available */ 293 #if NACPIEC > 0 294 acpiec_early_attach(&sc->sc_dev); 295 #endif 296 297 rv = AcpiInitializeObjects(0); 298 if (ACPI_FAILURE(rv)) { 299 printf("%s: unable to initialize ACPI objects: %s\n", 300 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 301 return; 302 } 303 acpi_active = 1; 304 305 /* Our current state is "awake". */ 306 sc->sc_sleepstate = ACPI_STATE_S0; 307 308 /* Show SCI interrupt. */ 309 if (AcpiGbl_FADT != NULL) 310 printf("%s: SCI interrupting at int %d\n", 311 sc->sc_dev.dv_xname, AcpiGbl_FADT->SciInt); 312 /* 313 * Check for fixed-hardware features. 314 */ 315 acpi_enable_fixed_events(sc); 316 317 /* 318 * Fix up PCI devices. 319 */ 320 #ifdef PCI_INTR_FIXUP 321 if ((sc->sc_quirks & (ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ)) == 0) 322 acpi_pci_fixup(sc); 323 #endif 324 325 /* 326 * Scan the namespace and build our device tree. 327 */ 328 #ifdef ACPI_DEBUGGER 329 if (acpi_dbgr & ACPI_DBGR_PROBE) 330 acpi_osd_debugger(); 331 #endif 332 acpi_md_callback((struct device *)sc); 333 acpi_build_tree(sc); 334 335 /* 336 * Register a shutdown hook that disables certain ACPI 337 * events that might happen and confuse us while we're 338 * trying to shut down. 339 */ 340 sc->sc_sdhook = shutdownhook_establish(acpi_shutdown, sc); 341 if (sc->sc_sdhook == NULL) 342 printf("%s: WARNING: unable to register shutdown hook\n", 343 sc->sc_dev.dv_xname); 344 345 #ifdef ACPI_DEBUGGER 346 if (acpi_dbgr & ACPI_DBGR_RUNNING) 347 acpi_osd_debugger(); 348 #endif 349 } 350 351 /* 352 * acpi_shutdown: 353 * 354 * Shutdown hook for ACPI -- disable some events that 355 * might confuse us. 356 */ 357 static void 358 acpi_shutdown(void *arg) 359 { 360 struct acpi_softc *sc = arg; 361 ACPI_STATUS rv; 362 363 rv = acpi_disable(sc); 364 if (ACPI_FAILURE(rv)) 365 printf("%s: WARNING: unable to disable ACPI: %s\n", 366 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 367 } 368 369 /* 370 * acpi_disable: 371 * 372 * Disable ACPI. 373 */ 374 static ACPI_STATUS 375 acpi_disable(struct acpi_softc *sc) 376 { 377 ACPI_STATUS rv = AE_OK; 378 379 #ifdef ACPI_DISABLE_ON_POWEROFF 380 if (acpi_active) { 381 rv = AcpiDisable(); 382 if (ACPI_SUCCESS(rv)) 383 acpi_active = 0; 384 } 385 #endif 386 return rv; 387 } 388 389 struct acpi_make_devnode_state { 390 struct acpi_softc *softc; 391 struct acpi_scope *scope; 392 }; 393 394 /* 395 * acpi_build_tree: 396 * 397 * Scan relevant portions of the ACPI namespace and attach 398 * child devices. 399 */ 400 static void 401 acpi_build_tree(struct acpi_softc *sc) 402 { 403 static const char *scopes[] = { 404 "\\_PR_", /* ACPI 1.0 processor namespace */ 405 "\\_SB_", /* system bus namespace */ 406 "\\_SI_", /* system idicator namespace */ 407 "\\_TZ_", /* ACPI 1.0 thermal zone namespace */ 408 NULL, 409 }; 410 struct acpi_attach_args aa; 411 struct acpi_make_devnode_state state; 412 struct acpi_scope *as; 413 struct acpi_devnode *ad; 414 ACPI_HANDLE parent; 415 ACPI_STATUS rv; 416 int i; 417 418 TAILQ_INIT(&sc->sc_scopes); 419 420 state.softc = sc; 421 422 /* 423 * Scan the namespace and build our tree. 424 */ 425 for (i = 0; scopes[i] != NULL; i++) { 426 as = malloc(sizeof(*as), M_ACPI, M_WAITOK); 427 as->as_name = scopes[i]; 428 TAILQ_INIT(&as->as_devnodes); 429 430 TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list); 431 432 state.scope = as; 433 434 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], 435 &parent); 436 if (ACPI_SUCCESS(rv)) { 437 AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, 438 acpi_make_devnode, &state, NULL); 439 } 440 441 /* Now, for this namespace, try and attach the devices. */ 442 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 443 aa.aa_node = ad; 444 aa.aa_iot = sc->sc_iot; 445 aa.aa_memt = sc->sc_memt; 446 aa.aa_pc = sc->sc_pc; 447 aa.aa_pciflags = sc->sc_pciflags; 448 aa.aa_ic = sc->sc_ic; 449 450 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE) { 451 /* 452 * XXX We only attach devices which are: 453 * 454 * - present 455 * - enabled 456 * - functioning properly 457 * 458 * However, if enabled, it's decoding resources, 459 * so we should claim them, if possible. 460 * Requires changes to bus_space(9). 461 */ 462 if ((ad->ad_devinfo->Valid & ACPI_VALID_STA) == 463 ACPI_VALID_STA && 464 (ad->ad_devinfo->CurrentStatus & 465 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 466 ACPI_STA_DEV_OK)) != 467 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 468 ACPI_STA_DEV_OK)) 469 continue; 470 471 /* 472 * XXX Same problem as above... 473 */ 474 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) 475 == 0) 476 continue; 477 } 478 479 ad->ad_device = config_found(&sc->sc_dev, 480 &aa, acpi_print); 481 } 482 } 483 } 484 485 #ifdef ACPI_ACTIVATE_DEV 486 static void 487 acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO **di) 488 { 489 ACPI_STATUS rv; 490 ACPI_BUFFER buf; 491 492 buf.Pointer = NULL; 493 buf.Length = ACPI_ALLOCATE_BUFFER; 494 495 #ifdef ACPI_DEBUG 496 printf("acpi_activate_device: %s, old status=%x\n", 497 (*di)->HardwareId.Value, (*di)->CurrentStatus); 498 #endif 499 500 rv = acpi_allocate_resources(handle); 501 if (ACPI_FAILURE(rv)) { 502 printf("acpi: activate failed for %s\n", 503 (*di)->HardwareId.Value); 504 } else { 505 printf("acpi: activated %s\n", (*di)->HardwareId.Value); 506 } 507 508 (void)AcpiGetObjectInfo(handle, &buf); 509 AcpiOsFree(*di); 510 *di = buf.Pointer; 511 512 #ifdef ACPI_DEBUG 513 printf("acpi_activate_device: %s, new status=%x\n", 514 (*di)->HardwareId.Value, (*di)->CurrentStatus); 515 #endif 516 } 517 #endif /* ACPI_ACTIVATE_DEV */ 518 519 /* 520 * acpi_make_devnode: 521 * 522 * Make an ACPI devnode. 523 */ 524 static ACPI_STATUS 525 acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context, 526 void **status) 527 { 528 struct acpi_make_devnode_state *state = context; 529 #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG) 530 struct acpi_softc *sc = state->softc; 531 #endif 532 struct acpi_scope *as = state->scope; 533 struct acpi_devnode *ad; 534 ACPI_OBJECT_TYPE type; 535 ACPI_BUFFER buf; 536 ACPI_DEVICE_INFO *devinfo; 537 ACPI_STATUS rv; 538 539 rv = AcpiGetType(handle, &type); 540 if (ACPI_SUCCESS(rv)) { 541 buf.Pointer = NULL; 542 buf.Length = ACPI_ALLOCATE_BUFFER; 543 rv = AcpiGetObjectInfo(handle, &buf); 544 if (ACPI_FAILURE(rv)) { 545 #ifdef ACPI_DEBUG 546 printf("%s: AcpiGetObjectInfo failed: %s\n", 547 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 548 #endif 549 goto out; /* XXX why return OK */ 550 } 551 552 devinfo = buf.Pointer; 553 554 switch (type) { 555 case ACPI_TYPE_DEVICE: 556 #ifdef ACPI_ACTIVATE_DEV 557 if ((devinfo->Valid & (ACPI_VALID_STA|ACPI_VALID_HID)) == 558 (ACPI_VALID_STA|ACPI_VALID_HID) && 559 (devinfo->CurrentStatus & 560 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) == 561 ACPI_STA_DEV_PRESENT) 562 acpi_activate_device(handle, &devinfo); 563 564 /* FALLTHROUGH */ 565 #endif 566 567 case ACPI_TYPE_PROCESSOR: 568 case ACPI_TYPE_THERMAL: 569 case ACPI_TYPE_POWER: 570 ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO); 571 if (ad == NULL) 572 return AE_NO_MEMORY; 573 574 ad->ad_devinfo = devinfo; 575 ad->ad_handle = handle; 576 ad->ad_level = level; 577 ad->ad_scope = as; 578 ad->ad_type = type; 579 580 TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list); 581 582 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 583 goto out; 584 585 #ifdef ACPI_EXTRA_DEBUG 586 printf("%s: HID %s found in scope %s level %d\n", 587 sc->sc_dev.dv_xname, 588 ad->ad_devinfo->HardwareId.Value, 589 as->as_name, ad->ad_level); 590 if (ad->ad_devinfo->Valid & ACPI_VALID_UID) 591 printf(" UID %s\n", 592 ad->ad_devinfo->UniqueId.Value); 593 if (ad->ad_devinfo->Valid & ACPI_VALID_ADR) 594 printf(" ADR 0x%016qx\n", 595 ad->ad_devinfo->Address); 596 if (ad->ad_devinfo->Valid & ACPI_VALID_STA) 597 printf(" STA 0x%08x\n", 598 ad->ad_devinfo->CurrentStatus); 599 #endif 600 } 601 } 602 out: 603 return AE_OK; 604 } 605 606 /* 607 * acpi_print: 608 * 609 * Autoconfiguration print routine. 610 */ 611 static int 612 acpi_print(void *aux, const char *pnp) 613 { 614 struct acpi_attach_args *aa = aux; 615 ACPI_STATUS rv; 616 617 if (pnp) { 618 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 619 char *pnpstr = 620 aa->aa_node->ad_devinfo->HardwareId.Value; 621 char *str; 622 623 aprint_normal("%s ", pnpstr); 624 rv = acpi_eval_string(aa->aa_node->ad_handle, 625 "_STR", &str); 626 if (ACPI_SUCCESS(rv)) { 627 aprint_normal("[%s] ", str); 628 AcpiOsFree(str); 629 } 630 #ifdef ACPIVERBOSE 631 else { 632 int i; 633 634 for (i = 0; i < sizeof(acpi_knowndevs) / 635 sizeof(acpi_knowndevs[0]); i++) { 636 if (strcmp(acpi_knowndevs[i].pnp, 637 pnpstr) == 0) { 638 printf("[%s] ", 639 acpi_knowndevs[i].str); 640 } 641 } 642 } 643 644 #endif 645 } else { 646 aprint_normal("ACPI Object Type '%s' (0x%02x) ", 647 AcpiUtGetTypeName(aa->aa_node->ad_devinfo->Type), 648 aa->aa_node->ad_devinfo->Type); 649 } 650 aprint_normal("at %s", pnp); 651 } else { 652 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 653 aprint_normal(" (%s", aa->aa_node->ad_devinfo->HardwareId.Value); 654 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_UID) { 655 const char *uid; 656 657 uid = aa->aa_node->ad_devinfo->UniqueId.Value; 658 if (uid[0] == '\0') 659 uid = "<null>"; 660 aprint_normal("-%s", uid); 661 } 662 aprint_normal(")"); 663 } 664 } 665 666 return UNCONF; 667 } 668 669 /***************************************************************************** 670 * ACPI fixed-hardware feature handlers 671 *****************************************************************************/ 672 673 static UINT32 acpi_fixed_button_handler(void *); 674 static void acpi_fixed_button_pressed(void *); 675 676 /* 677 * acpi_enable_fixed_events: 678 * 679 * Enable any fixed-hardware feature handlers. 680 */ 681 static void 682 acpi_enable_fixed_events(struct acpi_softc *sc) 683 { 684 static int beenhere; 685 ACPI_STATUS rv; 686 687 KASSERT(beenhere == 0); 688 beenhere = 1; 689 690 /* 691 * Check for fixed-hardware buttons. 692 */ 693 694 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->PwrButton == 0) { 695 printf("%s: fixed-feature power button present\n", 696 sc->sc_dev.dv_xname); 697 sc->sc_smpsw_power.smpsw_name = sc->sc_dev.dv_xname; 698 sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER; 699 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 700 printf("%s: unable to register fixed power button " 701 "with sysmon\n", sc->sc_dev.dv_xname); 702 } else { 703 rv = AcpiInstallFixedEventHandler( 704 ACPI_EVENT_POWER_BUTTON, 705 acpi_fixed_button_handler, &sc->sc_smpsw_power); 706 if (ACPI_FAILURE(rv)) { 707 printf("%s: unable to install handler for " 708 "fixed power button: %s\n", 709 sc->sc_dev.dv_xname, 710 AcpiFormatException(rv)); 711 } 712 } 713 } 714 715 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->SleepButton == 0) { 716 printf("%s: fixed-feature sleep button present\n", 717 sc->sc_dev.dv_xname); 718 sc->sc_smpsw_sleep.smpsw_name = sc->sc_dev.dv_xname; 719 sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP; 720 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 721 printf("%s: unable to register fixed sleep button " 722 "with sysmon\n", sc->sc_dev.dv_xname); 723 } else { 724 rv = AcpiInstallFixedEventHandler( 725 ACPI_EVENT_SLEEP_BUTTON, 726 acpi_fixed_button_handler, &sc->sc_smpsw_sleep); 727 if (ACPI_FAILURE(rv)) { 728 printf("%s: unable to install handler for " 729 "fixed sleep button: %s\n", 730 sc->sc_dev.dv_xname, 731 AcpiFormatException(rv)); 732 } 733 } 734 } 735 } 736 737 /* 738 * acpi_fixed_button_handler: 739 * 740 * Event handler for the fixed buttons. 741 */ 742 static UINT32 743 acpi_fixed_button_handler(void *context) 744 { 745 struct sysmon_pswitch *smpsw = context; 746 int rv; 747 748 #ifdef ACPI_BUT_DEBUG 749 printf("%s: fixed button handler\n", smpsw->smpsw_name); 750 #endif 751 752 rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO, 753 acpi_fixed_button_pressed, smpsw); 754 if (ACPI_FAILURE(rv)) 755 printf("%s: WARNING: unable to queue fixed button pressed " 756 "callback: %s\n", smpsw->smpsw_name, 757 AcpiFormatException(rv)); 758 759 return ACPI_INTERRUPT_HANDLED; 760 } 761 762 /* 763 * acpi_fixed_button_pressed: 764 * 765 * Deal with a fixed button being pressed. 766 */ 767 static void 768 acpi_fixed_button_pressed(void *context) 769 { 770 struct sysmon_pswitch *smpsw = context; 771 772 #ifdef ACPI_BUT_DEBUG 773 printf("%s: fixed button pressed, calling sysmon\n", 774 smpsw->smpsw_name); 775 #endif 776 777 sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED); 778 } 779 780 /***************************************************************************** 781 * ACPI utility routines. 782 *****************************************************************************/ 783 784 /* 785 * acpi_eval_integer: 786 * 787 * Evaluate an integer object. 788 */ 789 ACPI_STATUS 790 acpi_eval_integer(ACPI_HANDLE handle, const char *path, ACPI_INTEGER *valp) 791 { 792 ACPI_STATUS rv; 793 ACPI_BUFFER buf; 794 ACPI_OBJECT param; 795 796 if (handle == NULL) 797 handle = ACPI_ROOT_OBJECT; 798 799 buf.Pointer = ¶m; 800 buf.Length = sizeof(param); 801 802 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_INTEGER); 803 if (ACPI_SUCCESS(rv)) 804 *valp = param.Integer.Value; 805 806 return rv; 807 } 808 809 /* 810 * acpi_eval_string: 811 * 812 * Evaluate a (Unicode) string object. 813 */ 814 ACPI_STATUS 815 acpi_eval_string(ACPI_HANDLE handle, const char *path, char **stringp) 816 { 817 ACPI_STATUS rv; 818 ACPI_BUFFER buf; 819 820 if (handle == NULL) 821 handle = ACPI_ROOT_OBJECT; 822 823 buf.Pointer = NULL; 824 buf.Length = ACPI_ALLOCATE_BUFFER; 825 826 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_STRING); 827 if (ACPI_SUCCESS(rv)) { 828 ACPI_OBJECT *param = buf.Pointer; 829 const char *ptr = param->String.Pointer; 830 size_t len = param->String.Length; 831 if ((*stringp = AcpiOsAllocate(len)) == NULL) 832 rv = AE_NO_MEMORY; 833 else 834 (void)memcpy(*stringp, ptr, len); 835 AcpiOsFree(param); 836 } 837 838 return rv; 839 } 840 841 842 /* 843 * acpi_eval_struct: 844 * 845 * Evaluate a more complex structure. 846 * Caller must free buf.Pointer by AcpiOsFree(). 847 */ 848 ACPI_STATUS 849 acpi_eval_struct(ACPI_HANDLE handle, const char *path, ACPI_BUFFER *bufp) 850 { 851 ACPI_STATUS rv; 852 853 if (handle == NULL) 854 handle = ACPI_ROOT_OBJECT; 855 856 bufp->Pointer = NULL; 857 bufp->Length = ACPI_ALLOCATE_BUFFER; 858 859 rv = AcpiEvaluateObject(handle, path, NULL, bufp); 860 861 return rv; 862 } 863 864 /* 865 * acpi_foreach_package_object: 866 * 867 * Iterate over all objects in a in a packages and pass then all 868 * to a function. If the called function returns non AE_OK, the 869 * iteration is stopped and that value is returned. 870 */ 871 872 ACPI_STATUS 873 acpi_foreach_package_object(ACPI_OBJECT *pkg, 874 ACPI_STATUS (*func)(ACPI_OBJECT *, void *), 875 void *arg) 876 { 877 ACPI_STATUS rv = AE_OK; 878 int i; 879 880 if (pkg == NULL || pkg->Type != ACPI_TYPE_PACKAGE) 881 return AE_BAD_PARAMETER; 882 883 for (i = 0; i < pkg->Package.Count; i++) { 884 rv = (*func)(&pkg->Package.Elements[i], arg); 885 if (ACPI_FAILURE(rv)) 886 break; 887 } 888 889 return rv; 890 } 891 892 const char * 893 acpi_name(ACPI_HANDLE handle) 894 { 895 static char buffer[80]; 896 ACPI_BUFFER buf; 897 ACPI_STATUS rv; 898 899 buf.Length = sizeof(buffer); 900 buf.Pointer = buffer; 901 902 rv = AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf); 903 if (ACPI_FAILURE(rv)) 904 return "(unknown acpi path)"; 905 return buffer; 906 } 907 908 /* 909 * acpi_get: 910 * 911 * Fetch data info the specified (empty) ACPI buffer. 912 * Caller must free buf.Pointer by AcpiOsFree(). 913 */ 914 ACPI_STATUS 915 acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf, 916 ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *)) 917 { 918 buf->Pointer = NULL; 919 buf->Length = ACPI_ALLOCATE_BUFFER; 920 921 return (*getit)(handle, buf); 922 } 923 924 925 /* 926 * acpi_match_hid 927 * 928 * Match given ids against _HID and _CIDs 929 */ 930 int 931 acpi_match_hid(ACPI_DEVICE_INFO *ad, const char * const *ids) 932 { 933 int i; 934 935 while (*ids) { 936 if (ad->Valid & ACPI_VALID_HID) { 937 if (pmatch(ad->HardwareId.Value, *ids, NULL) == 2) 938 return 1; 939 } 940 941 if (ad->Valid & ACPI_VALID_CID) { 942 for (i = 0; i < ad->CompatibilityId.Count; i++) { 943 if (pmatch(ad->CompatibilityId.Id[i].Value, *ids, NULL) == 2) 944 return 1; 945 } 946 } 947 ids++; 948 } 949 950 return 0; 951 } 952 953 /* 954 * acpi_set_wake_gpe 955 * 956 * Set GPE as both Runtime and Wake 957 */ 958 void 959 acpi_set_wake_gpe(ACPI_HANDLE handle) 960 { 961 ACPI_BUFFER buf; 962 ACPI_STATUS rv; 963 ACPI_OBJECT *p, *elt; 964 965 rv = acpi_eval_struct(handle, METHOD_NAME__PRW, &buf); 966 if (ACPI_FAILURE(rv)) 967 return; /* just ignore */ 968 969 p = buf.Pointer; 970 if (p->Type != ACPI_TYPE_PACKAGE || p->Package.Count < 2) 971 goto out; /* just ignore */ 972 973 elt = p->Package.Elements; 974 975 /* TBD: package support */ 976 AcpiSetGpeType(NULL, elt[0].Integer.Value, ACPI_GPE_TYPE_WAKE_RUN); 977 AcpiEnableGpe(NULL, elt[0].Integer.Value, ACPI_NOT_ISR); 978 979 out: 980 AcpiOsFree(buf.Pointer); 981 } 982 983 984 /***************************************************************************** 985 * ACPI sleep support. 986 *****************************************************************************/ 987 988 static int 989 is_available_state(struct acpi_softc *sc, int state) 990 { 991 UINT8 type_a, type_b; 992 993 return ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state, 994 &type_a, &type_b)); 995 } 996 997 /* 998 * acpi_enter_sleep_state: 999 * 1000 * enter to the specified sleep state. 1001 */ 1002 1003 ACPI_STATUS 1004 acpi_enter_sleep_state(struct acpi_softc *sc, int state) 1005 { 1006 int s; 1007 ACPI_STATUS ret = AE_OK; 1008 1009 switch (state) { 1010 case ACPI_STATE_S0: 1011 break; 1012 case ACPI_STATE_S1: 1013 case ACPI_STATE_S2: 1014 case ACPI_STATE_S3: 1015 case ACPI_STATE_S4: 1016 if (!is_available_state(sc, state)) { 1017 printf("acpi: cannot enter the sleep state (%d).\n", 1018 state); 1019 break; 1020 } 1021 ret = AcpiEnterSleepStatePrep(state); 1022 if (ACPI_FAILURE(ret)) { 1023 printf("acpi: failed preparing to sleep (%s)\n", 1024 AcpiFormatException(ret)); 1025 break; 1026 } 1027 if (state==ACPI_STATE_S1) { 1028 /* just enter the state */ 1029 acpi_md_OsDisableInterrupt(); 1030 AcpiEnterSleepState((UINT8)state); 1031 AcpiUtReleaseMutex(ACPI_MTX_HARDWARE); 1032 } else { 1033 /* XXX: powerhooks(9) framework is too poor to 1034 * support ACPI sleep state... 1035 */ 1036 dopowerhooks(PWR_SOFTSUSPEND); 1037 s = splhigh(); 1038 dopowerhooks(PWR_SUSPEND); 1039 acpi_md_sleep(state); 1040 dopowerhooks(PWR_RESUME); 1041 splx(s); 1042 dopowerhooks(PWR_SOFTRESUME); 1043 if (state==ACPI_STATE_S4) 1044 AcpiEnable(); 1045 } 1046 AcpiLeaveSleepState((UINT8)state); 1047 break; 1048 case ACPI_STATE_S5: 1049 ret = AcpiEnterSleepStatePrep(ACPI_STATE_S5); 1050 if (ACPI_FAILURE(ret)) { 1051 printf("acpi: failed preparing to sleep (%s)\n", 1052 AcpiFormatException(ret)); 1053 break; 1054 } 1055 acpi_md_OsDisableInterrupt(); 1056 AcpiEnterSleepState(ACPI_STATE_S5); 1057 printf("WARNING: powerdown failed!\n"); 1058 break; 1059 } 1060 1061 return ret; 1062 } 1063 1064 #ifdef PCI_INTR_FIXUP 1065 ACPI_STATUS acpi_pci_fixup_bus(ACPI_HANDLE, UINT32, void *, void **); 1066 /* 1067 * acpi_pci_fixup: 1068 * 1069 * Set up PCI devices that BIOS didn't handle right. 1070 * Iterate through all devices and try to get the _PTR 1071 * (PCI Routing Table). If it exists then make sure all 1072 * interrupt links that it uses are working. 1073 */ 1074 void 1075 acpi_pci_fixup(struct acpi_softc *sc) 1076 { 1077 ACPI_HANDLE parent; 1078 ACPI_STATUS rv; 1079 1080 #ifdef ACPI_DEBUG 1081 printf("acpi_pci_fixup starts:\n"); 1082 #endif 1083 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent); 1084 if (ACPI_FAILURE(rv)) 1085 return; 1086 sc->sc_pci_bus = 0; 1087 AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100, 1088 acpi_pci_fixup_bus, sc, NULL); 1089 } 1090 1091 static uint 1092 acpi_get_intr(ACPI_HANDLE handle) 1093 { 1094 ACPI_BUFFER ret; 1095 ACPI_STATUS rv; 1096 ACPI_RESOURCE *res; 1097 ACPI_RESOURCE_IRQ *irq; 1098 uint intr; 1099 1100 intr = -1; 1101 rv = acpi_get(handle, &ret, AcpiGetCurrentResources); 1102 if (ACPI_FAILURE(rv)) 1103 return intr; 1104 for (res = ret.Pointer; res->Id != ACPI_RSTYPE_END_TAG; 1105 res = ACPI_NEXT_RESOURCE(res)) { 1106 if (res->Id == ACPI_RSTYPE_IRQ) { 1107 irq = (ACPI_RESOURCE_IRQ *)&res->Data; 1108 if (irq->NumberOfInterrupts == 1) 1109 intr = irq->Interrupts[0]; 1110 break; 1111 } 1112 } 1113 AcpiOsFree(ret.Pointer); 1114 return intr; 1115 } 1116 1117 static void 1118 acpi_pci_set_line(int bus, int dev, int pin, int line) 1119 { 1120 ACPI_STATUS err; 1121 ACPI_PCI_ID pid; 1122 UINT32 intr, id, bhlc; 1123 int func, nfunc; 1124 1125 pid.Bus = bus; 1126 pid.Device = dev; 1127 pid.Function = 0; 1128 1129 err = AcpiOsReadPciConfiguration(&pid, PCI_BHLC_REG, &bhlc, 32); 1130 if (err) 1131 return; 1132 if (PCI_HDRTYPE_MULTIFN(bhlc)) 1133 nfunc = 8; 1134 else 1135 nfunc = 1; 1136 1137 for (func = 0; func < nfunc; func++) { 1138 pid.Function = func; 1139 1140 err = AcpiOsReadPciConfiguration(&pid, PCI_ID_REG, &id, 32); 1141 if (err || PCI_VENDOR(id) == PCI_VENDOR_INVALID || 1142 PCI_VENDOR(id) == 0) 1143 continue; 1144 1145 err = AcpiOsReadPciConfiguration(&pid, PCI_INTERRUPT_REG, 1146 &intr, 32); 1147 if (err) { 1148 printf("AcpiOsReadPciConfiguration failed %d\n", err); 1149 return; 1150 } 1151 if (pin == PCI_INTERRUPT_PIN(intr) && 1152 line != PCI_INTERRUPT_LINE(intr)) { 1153 #ifdef ACPI_DEBUG 1154 printf("acpi fixup pci intr: %d:%d:%d %c: %d -> %d\n", 1155 bus, dev, func, 1156 pin + '@', PCI_INTERRUPT_LINE(intr), 1157 line); 1158 #endif 1159 intr &= ~(PCI_INTERRUPT_LINE_MASK << 1160 PCI_INTERRUPT_LINE_SHIFT); 1161 intr |= line << PCI_INTERRUPT_LINE_SHIFT; 1162 err = AcpiOsWritePciConfiguration(&pid, 1163 PCI_INTERRUPT_REG, intr, 32); 1164 if (err) { 1165 printf("AcpiOsWritePciConfiguration failed" 1166 " %d\n", err); 1167 return; 1168 } 1169 } 1170 } 1171 } 1172 1173 ACPI_STATUS 1174 acpi_pci_fixup_bus(ACPI_HANDLE handle, UINT32 level, void *context, 1175 void **status) 1176 { 1177 struct acpi_softc *sc = context; 1178 ACPI_STATUS rv; 1179 ACPI_BUFFER buf; 1180 UINT8 *Buffer; 1181 ACPI_PCI_ROUTING_TABLE *PrtElement; 1182 ACPI_HANDLE link; 1183 uint line; 1184 ACPI_INTEGER val; 1185 1186 rv = acpi_get(handle, &buf, AcpiGetIrqRoutingTable); 1187 if (ACPI_FAILURE(rv)) 1188 return AE_OK; 1189 1190 /* 1191 * If at level 1, this is a PCI root bus. Try the _BBN method 1192 * to get the right PCI bus numbering for the following 1193 * busses (this is a depth-first walk). It may fail, 1194 * for example if there's only one root bus, but that 1195 * case should be ok, so we'll ignore that. 1196 */ 1197 if (level == 1) { 1198 rv = acpi_eval_integer(handle, METHOD_NAME__BBN, &val); 1199 if (!ACPI_FAILURE(rv)) { 1200 #ifdef ACPI_DEBUG 1201 printf("%s: fixup: _BBN success, bus # was %d now %d\n", 1202 sc->sc_dev.dv_xname, sc->sc_pci_bus, 1203 ACPI_LOWORD(val)); 1204 #endif 1205 sc->sc_pci_bus = ACPI_LOWORD(val); 1206 } 1207 } 1208 1209 1210 #ifdef ACPI_DEBUG 1211 printf("%s: fixing up PCI bus %d at level %u\n", sc->sc_dev.dv_xname, 1212 sc->sc_pci_bus, level); 1213 #endif 1214 1215 for (Buffer = buf.Pointer; ; Buffer += PrtElement->Length) { 1216 PrtElement = (ACPI_PCI_ROUTING_TABLE *)Buffer; 1217 if (PrtElement->Length == 0) 1218 break; 1219 if (PrtElement->Source[0] == 0) 1220 continue; 1221 1222 rv = AcpiGetHandle(NULL, PrtElement->Source, &link); 1223 if (ACPI_FAILURE(rv)) 1224 continue; 1225 line = acpi_get_intr(link); 1226 if (line < 1) { 1227 printf("%s: fixing up intr link %s\n", 1228 sc->sc_dev.dv_xname, PrtElement->Source); 1229 rv = acpi_allocate_resources(link); 1230 if (ACPI_FAILURE(rv)) { 1231 printf("%s: interrupt allocation failed %s\n", 1232 sc->sc_dev.dv_xname, PrtElement->Source); 1233 continue; 1234 } 1235 line = acpi_get_intr(link); 1236 if (line == -1) { 1237 printf("%s: get intr failed %s\n", 1238 sc->sc_dev.dv_xname, PrtElement->Source); 1239 continue; 1240 } 1241 } 1242 1243 acpi_pci_set_line(sc->sc_pci_bus, PrtElement->Address >> 16, 1244 PrtElement->Pin + 1, line); 1245 } 1246 1247 sc->sc_pci_bus++; 1248 1249 AcpiOsFree(buf.Pointer); 1250 return AE_OK; 1251 } 1252 #endif /* PCI_INTR_FIXUP */ 1253 1254 #if defined(PCI_INTR_FIXUP) || defined(ACPI_ACTIVATE_DEV) 1255 /* XXX This very incomplete */ 1256 static ACPI_STATUS 1257 acpi_allocate_resources(ACPI_HANDLE handle) 1258 { 1259 ACPI_BUFFER bufp, bufc, bufn; 1260 ACPI_RESOURCE *resp, *resc, *resn; 1261 ACPI_RESOURCE_IRQ *irq; 1262 ACPI_STATUS rv; 1263 uint delta; 1264 1265 rv = acpi_get(handle, &bufp, AcpiGetPossibleResources); 1266 if (ACPI_FAILURE(rv)) 1267 goto out; 1268 rv = acpi_get(handle, &bufc, AcpiGetCurrentResources); 1269 if (ACPI_FAILURE(rv)) { 1270 goto out1; 1271 } 1272 1273 bufn.Length = 1000; 1274 bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK); 1275 resp = bufp.Pointer; 1276 resc = bufc.Pointer; 1277 while (resc->Id != ACPI_RSTYPE_END_TAG && 1278 resp->Id != ACPI_RSTYPE_END_TAG) { 1279 while (resc->Id != resp->Id && resp->Id != ACPI_RSTYPE_END_TAG) 1280 resp = ACPI_NEXT_RESOURCE(resp); 1281 if (resp->Id == ACPI_RSTYPE_END_TAG) 1282 break; 1283 /* Found identical Id */ 1284 resn->Id = resc->Id; 1285 switch (resc->Id) { 1286 case ACPI_RSTYPE_IRQ: 1287 memcpy(&resn->Data, &resp->Data, 1288 sizeof(ACPI_RESOURCE_IRQ)); 1289 irq = (ACPI_RESOURCE_IRQ *)&resn->Data; 1290 irq->Interrupts[0] = 1291 ((ACPI_RESOURCE_IRQ *)&resp->Data)-> 1292 Interrupts[irq->NumberOfInterrupts-1]; 1293 irq->NumberOfInterrupts = 1; 1294 resn->Length = ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_IRQ); 1295 break; 1296 case ACPI_RSTYPE_IO: 1297 memcpy(&resn->Data, &resp->Data, 1298 sizeof(ACPI_RESOURCE_IO)); 1299 resn->Length = resp->Length; 1300 break; 1301 default: 1302 printf("acpi_allocate_resources: res=%d\n", resc->Id); 1303 rv = AE_BAD_DATA; 1304 goto out2; 1305 } 1306 resc = ACPI_NEXT_RESOURCE(resc); 1307 resn = ACPI_NEXT_RESOURCE(resn); 1308 delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer; 1309 if (delta >= 1310 bufn.Length-ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_DATA)) { 1311 bufn.Length *= 2; 1312 bufn.Pointer = realloc(bufn.Pointer, bufn.Length, 1313 M_ACPI, M_WAITOK); 1314 resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta); 1315 } 1316 } 1317 if (resc->Id != ACPI_RSTYPE_END_TAG) { 1318 printf("acpi_allocate_resources: resc not exhausted\n"); 1319 rv = AE_BAD_DATA; 1320 goto out3; 1321 } 1322 1323 resn->Id = ACPI_RSTYPE_END_TAG; 1324 rv = AcpiSetCurrentResources(handle, &bufn); 1325 if (ACPI_FAILURE(rv)) { 1326 printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n", 1327 AcpiFormatException(rv)); 1328 } 1329 1330 out3: 1331 free(bufn.Pointer, M_ACPI); 1332 out2: 1333 AcpiOsFree(bufc.Pointer); 1334 out1: 1335 AcpiOsFree(bufp.Pointer); 1336 out: 1337 return rv; 1338 } 1339 #endif /* PCI_INTR_FIXUP || ACPI_ACTIVATE_DEV */ 1340
Indexes created Wed Oct 01 19:09:53 GMT 2025