acpi.c revision 1.82
1 /* $NetBSD: acpi.c,v 1.82 2006/02/16 09:23:23 kochi 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 1.82 2006/02/16 09:23:23 kochi 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 #include <sys/sysctl.h> 92 93 #include <dev/acpi/acpica.h> 94 #include <dev/acpi/acpireg.h> 95 #include <dev/acpi/acpivar.h> 96 #include <dev/acpi/acpi_osd.h> 97 #ifdef ACPIVERBOSE 98 #include <dev/acpi/acpidevs_data.h> 99 #endif 100 101 #if defined(ACPI_PCI_FIXUP) 102 #error The option ACPI_PCI_FIXUP has been obsoleted by PCI_INTR_FIXUP. Please adjust your kernel configuration file. 103 #endif 104 105 #ifdef PCI_INTR_FIXUP 106 #include <dev/pci/pcidevs.h> 107 #endif 108 109 MALLOC_DECLARE(M_ACPI); 110 111 #include <machine/acpi_machdep.h> 112 113 #ifdef ACPI_DEBUGGER 114 #define ACPI_DBGR_INIT 0x01 115 #define ACPI_DBGR_TABLES 0x02 116 #define ACPI_DBGR_ENABLE 0x04 117 #define ACPI_DBGR_PROBE 0x08 118 #define ACPI_DBGR_RUNNING 0x10 119 120 static int acpi_dbgr = 0x00; 121 #endif 122 123 static int acpi_match(struct device *, struct cfdata *, void *); 124 static void acpi_attach(struct device *, struct device *, void *); 125 126 static int acpi_print(void *aux, const char *); 127 128 extern struct cfdriver acpi_cd; 129 130 CFATTACH_DECL(acpi, sizeof(struct acpi_softc), 131 acpi_match, acpi_attach, NULL, NULL); 132 133 /* 134 * This is a flag we set when the ACPI subsystem is active. Machine 135 * dependent code may wish to skip other steps (such as attaching 136 * subsystems that ACPI supercedes) when ACPI is active. 137 */ 138 int acpi_active; 139 140 /* 141 * Pointer to the ACPI subsystem's state. There can be only 142 * one ACPI instance. 143 */ 144 struct acpi_softc *acpi_softc; 145 146 /* 147 * Locking stuff. 148 */ 149 static struct simplelock acpi_slock; 150 static int acpi_locked; 151 152 /* 153 * sysctl-related information 154 */ 155 156 static int acpi_node = CTL_EOL; 157 static uint64_t acpi_root_pointer; /* found as hw.acpi.root */ 158 159 /* 160 * Prototypes. 161 */ 162 static void acpi_shutdown(void *); 163 static void acpi_build_tree(struct acpi_softc *); 164 static ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **); 165 166 static void acpi_enable_fixed_events(struct acpi_softc *); 167 #ifdef PCI_INTR_FIXUP 168 void acpi_pci_fixup(struct acpi_softc *); 169 #endif 170 #if defined(PCI_INTR_FIXUP) || defined(ACPI_ACTIVATE_DEV) 171 static ACPI_STATUS acpi_allocate_resources(ACPI_HANDLE handle); 172 #endif 173 174 /* 175 * acpi_probe: 176 * 177 * Probe for ACPI support. This is called by the 178 * machine-dependent ACPI front-end. All of the 179 * actual work is done by ACPICA. 180 * 181 * NOTE: This is not an autoconfiguration interface function. 182 */ 183 int 184 acpi_probe(void) 185 { 186 static int beenhere; 187 ACPI_STATUS rv; 188 189 if (beenhere != 0) 190 panic("acpi_probe: ACPI has already been probed"); 191 beenhere = 1; 192 193 simple_lock_init(&acpi_slock); 194 acpi_locked = 0; 195 196 /* 197 * Start up ACPICA. 198 */ 199 #ifdef ACPI_DEBUGGER 200 if (acpi_dbgr & ACPI_DBGR_INIT) 201 acpi_osd_debugger(); 202 #endif 203 204 rv = AcpiInitializeSubsystem(); 205 if (ACPI_FAILURE(rv)) { 206 printf("ACPI: unable to initialize ACPICA: %s\n", 207 AcpiFormatException(rv)); 208 return 0; 209 } 210 211 #ifdef ACPI_DEBUGGER 212 if (acpi_dbgr & ACPI_DBGR_TABLES) 213 acpi_osd_debugger(); 214 #endif 215 216 rv = AcpiLoadTables(); 217 if (ACPI_FAILURE(rv)) { 218 printf("ACPI: unable to load tables: %s\n", 219 AcpiFormatException(rv)); 220 return 0; 221 } 222 223 /* 224 * Looks like we have ACPI! 225 */ 226 227 return 1; 228 } 229 230 ACPI_STATUS 231 acpi_OsGetRootPointer(UINT32 Flags, ACPI_POINTER *PhysicalAddress) 232 { 233 ACPI_STATUS rv; 234 235 /* 236 * IA-32: Use AcpiFindRootPointer() to locate the RSDP. 237 * 238 * IA-64: Use the EFI. 239 * 240 * We let MD code handle this since there are multiple 241 * ways to do it. 242 */ 243 244 rv = acpi_md_OsGetRootPointer(Flags, PhysicalAddress); 245 246 if (acpi_root_pointer == 0 && ACPI_SUCCESS(rv)) 247 acpi_root_pointer = 248 (uint64_t)PhysicalAddress->Pointer.Physical; 249 250 return rv; 251 } 252 253 /* 254 * acpi_match: 255 * 256 * Autoconfiguration `match' routine. 257 */ 258 static int 259 acpi_match(struct device *parent, struct cfdata *match, void *aux) 260 { 261 /* 262 * XXX Check other locators? Hard to know -- machine 263 * dependent code has already checked for the presence 264 * of ACPI by calling acpi_probe(), so I suppose we 265 * don't really have to do anything else. 266 */ 267 return 1; 268 } 269 270 /* 271 * acpi_attach: 272 * 273 * Autoconfiguration `attach' routine. Finish initializing 274 * ACPICA (some initialization was done in acpi_probe(), 275 * which was required to check for the presence of ACPI), 276 * and enable the ACPI subsystem. 277 */ 278 static void 279 acpi_attach(struct device *parent, struct device *self, void *aux) 280 { 281 struct acpi_softc *sc = (void *) self; 282 struct acpibus_attach_args *aa = aux; 283 ACPI_STATUS rv; 284 285 printf("\n"); 286 287 if (acpi_softc != NULL) 288 panic("acpi_attach: ACPI has already been attached"); 289 290 sysmon_power_settype("acpi"); 291 292 printf("%s: using Intel ACPI CA subsystem version %08x\n", 293 sc->sc_dev.dv_xname, ACPI_CA_VERSION); 294 295 printf("%s: X/RSDT: OemId <%6.6s,%8.8s,%08x>, AslId <%4.4s,%08x>\n", 296 sc->sc_dev.dv_xname, 297 AcpiGbl_XSDT->OemId, AcpiGbl_XSDT->OemTableId, 298 AcpiGbl_XSDT->OemRevision, 299 AcpiGbl_XSDT->AslCompilerId, AcpiGbl_XSDT->AslCompilerRevision); 300 301 sc->sc_quirks = acpi_find_quirks(); 302 303 sc->sc_iot = aa->aa_iot; 304 sc->sc_memt = aa->aa_memt; 305 sc->sc_pc = aa->aa_pc; 306 sc->sc_pciflags = aa->aa_pciflags; 307 sc->sc_ic = aa->aa_ic; 308 309 acpi_softc = sc; 310 311 /* 312 * Bring ACPI on-line. 313 */ 314 #ifdef ACPI_DEBUGGER 315 if (acpi_dbgr & ACPI_DBGR_ENABLE) 316 acpi_osd_debugger(); 317 #endif 318 319 rv = AcpiEnableSubsystem(0); 320 if (ACPI_FAILURE(rv)) { 321 printf("%s: unable to enable ACPI: %s\n", 322 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 323 return; 324 } 325 326 /* early EC handler initialization if ECDT table is available */ 327 #if NACPIEC > 0 328 acpiec_early_attach(&sc->sc_dev); 329 #endif 330 331 rv = AcpiInitializeObjects(0); 332 if (ACPI_FAILURE(rv)) { 333 printf("%s: unable to initialize ACPI objects: %s\n", 334 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 335 return; 336 } 337 acpi_active = 1; 338 339 /* Our current state is "awake". */ 340 sc->sc_sleepstate = ACPI_STATE_S0; 341 342 /* Show SCI interrupt. */ 343 if (AcpiGbl_FADT != NULL) 344 printf("%s: SCI interrupting at int %d\n", 345 sc->sc_dev.dv_xname, AcpiGbl_FADT->SciInt); 346 /* 347 * Check for fixed-hardware features. 348 */ 349 acpi_enable_fixed_events(sc); 350 351 /* 352 * Fix up PCI devices. 353 */ 354 #ifdef PCI_INTR_FIXUP 355 if ((sc->sc_quirks & (ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ)) == 0) 356 acpi_pci_fixup(sc); 357 #endif 358 359 /* 360 * Scan the namespace and build our device tree. 361 */ 362 #ifdef ACPI_DEBUGGER 363 if (acpi_dbgr & ACPI_DBGR_PROBE) 364 acpi_osd_debugger(); 365 #endif 366 acpi_md_callback((struct device *)sc); 367 acpi_build_tree(sc); 368 369 if (acpi_root_pointer != 0 && acpi_node != CTL_EOL) 370 (void)sysctl_createv(NULL, 0, NULL, NULL, 371 CTLFLAG_IMMEDIATE, 372 CTLTYPE_QUAD, "root", NULL, NULL, 373 acpi_root_pointer, NULL, 0, 374 CTL_HW, acpi_node, CTL_CREATE, CTL_EOL); 375 376 /* 377 * Register a shutdown hook that disables certain ACPI 378 * events that might happen and confuse us while we're 379 * trying to shut down. 380 */ 381 sc->sc_sdhook = shutdownhook_establish(acpi_shutdown, sc); 382 if (sc->sc_sdhook == NULL) 383 printf("%s: WARNING: unable to register shutdown hook\n", 384 sc->sc_dev.dv_xname); 385 386 #ifdef ACPI_DEBUGGER 387 if (acpi_dbgr & ACPI_DBGR_RUNNING) 388 acpi_osd_debugger(); 389 #endif 390 } 391 392 /* 393 * acpi_shutdown: 394 * 395 * Shutdown hook for ACPI -- disable some events that 396 * might confuse us. 397 */ 398 static void 399 acpi_shutdown(void *arg) 400 { 401 /* nothing */ 402 } 403 404 #if 0 405 /* 406 * acpi_disable: 407 * 408 * Disable ACPI. 409 */ 410 static ACPI_STATUS 411 acpi_disable(struct acpi_softc *sc) 412 { 413 ACPI_STATUS rv = AE_OK; 414 415 if (acpi_active) { 416 rv = AcpiDisable(); 417 if (ACPI_SUCCESS(rv)) 418 acpi_active = 0; 419 } 420 return rv; 421 } 422 #endif 423 424 struct acpi_make_devnode_state { 425 struct acpi_softc *softc; 426 struct acpi_scope *scope; 427 }; 428 429 /* 430 * acpi_build_tree: 431 * 432 * Scan relevant portions of the ACPI namespace and attach 433 * child devices. 434 */ 435 static void 436 acpi_build_tree(struct acpi_softc *sc) 437 { 438 static const char *scopes[] = { 439 "\\_PR_", /* ACPI 1.0 processor namespace */ 440 "\\_SB_", /* system bus namespace */ 441 "\\_SI_", /* system idicator namespace */ 442 "\\_TZ_", /* ACPI 1.0 thermal zone namespace */ 443 NULL, 444 }; 445 struct acpi_attach_args aa; 446 struct acpi_make_devnode_state state; 447 struct acpi_scope *as; 448 struct acpi_devnode *ad; 449 ACPI_HANDLE parent; 450 ACPI_STATUS rv; 451 int i; 452 453 TAILQ_INIT(&sc->sc_scopes); 454 455 state.softc = sc; 456 457 /* 458 * Scan the namespace and build our tree. 459 */ 460 for (i = 0; scopes[i] != NULL; i++) { 461 as = malloc(sizeof(*as), M_ACPI, M_WAITOK); 462 as->as_name = scopes[i]; 463 TAILQ_INIT(&as->as_devnodes); 464 465 TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list); 466 467 state.scope = as; 468 469 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], 470 &parent); 471 if (ACPI_SUCCESS(rv)) { 472 AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, 473 acpi_make_devnode, &state, NULL); 474 } 475 476 /* Now, for this namespace, try and attach the devices. */ 477 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 478 aa.aa_node = ad; 479 aa.aa_iot = sc->sc_iot; 480 aa.aa_memt = sc->sc_memt; 481 aa.aa_pc = sc->sc_pc; 482 aa.aa_pciflags = sc->sc_pciflags; 483 aa.aa_ic = sc->sc_ic; 484 485 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE) { 486 /* 487 * XXX We only attach devices which are: 488 * 489 * - present 490 * - enabled 491 * - functioning properly 492 * 493 * However, if enabled, it's decoding resources, 494 * so we should claim them, if possible. 495 * Requires changes to bus_space(9). 496 */ 497 if ((ad->ad_devinfo->Valid & ACPI_VALID_STA) == 498 ACPI_VALID_STA && 499 (ad->ad_devinfo->CurrentStatus & 500 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 501 ACPI_STA_DEV_OK)) != 502 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 503 ACPI_STA_DEV_OK)) 504 continue; 505 506 /* 507 * XXX Same problem as above... 508 */ 509 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) 510 == 0) 511 continue; 512 } 513 514 ad->ad_device = config_found(&sc->sc_dev, 515 &aa, acpi_print); 516 } 517 } 518 } 519 520 #ifdef ACPI_ACTIVATE_DEV 521 static void 522 acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO **di) 523 { 524 ACPI_STATUS rv; 525 ACPI_BUFFER buf; 526 527 buf.Pointer = NULL; 528 buf.Length = ACPI_ALLOCATE_BUFFER; 529 530 #ifdef ACPI_DEBUG 531 printf("acpi_activate_device: %s, old status=%x\n", 532 (*di)->HardwareId.Value, (*di)->CurrentStatus); 533 #endif 534 535 rv = acpi_allocate_resources(handle); 536 if (ACPI_FAILURE(rv)) { 537 printf("acpi: activate failed for %s\n", 538 (*di)->HardwareId.Value); 539 } else { 540 printf("acpi: activated %s\n", (*di)->HardwareId.Value); 541 } 542 543 (void)AcpiGetObjectInfo(handle, &buf); 544 AcpiOsFree(*di); 545 *di = buf.Pointer; 546 547 #ifdef ACPI_DEBUG 548 printf("acpi_activate_device: %s, new status=%x\n", 549 (*di)->HardwareId.Value, (*di)->CurrentStatus); 550 #endif 551 } 552 #endif /* ACPI_ACTIVATE_DEV */ 553 554 /* 555 * acpi_make_devnode: 556 * 557 * Make an ACPI devnode. 558 */ 559 static ACPI_STATUS 560 acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context, 561 void **status) 562 { 563 struct acpi_make_devnode_state *state = context; 564 #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG) 565 struct acpi_softc *sc = state->softc; 566 #endif 567 struct acpi_scope *as = state->scope; 568 struct acpi_devnode *ad; 569 ACPI_OBJECT_TYPE type; 570 ACPI_BUFFER buf; 571 ACPI_DEVICE_INFO *devinfo; 572 ACPI_STATUS rv; 573 574 rv = AcpiGetType(handle, &type); 575 if (ACPI_SUCCESS(rv)) { 576 buf.Pointer = NULL; 577 buf.Length = ACPI_ALLOCATE_BUFFER; 578 rv = AcpiGetObjectInfo(handle, &buf); 579 if (ACPI_FAILURE(rv)) { 580 #ifdef ACPI_DEBUG 581 printf("%s: AcpiGetObjectInfo failed: %s\n", 582 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 583 #endif 584 goto out; /* XXX why return OK */ 585 } 586 587 devinfo = buf.Pointer; 588 589 switch (type) { 590 case ACPI_TYPE_DEVICE: 591 #ifdef ACPI_ACTIVATE_DEV 592 if ((devinfo->Valid & (ACPI_VALID_STA|ACPI_VALID_HID)) == 593 (ACPI_VALID_STA|ACPI_VALID_HID) && 594 (devinfo->CurrentStatus & 595 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) == 596 ACPI_STA_DEV_PRESENT) 597 acpi_activate_device(handle, &devinfo); 598 599 /* FALLTHROUGH */ 600 #endif 601 602 case ACPI_TYPE_PROCESSOR: 603 case ACPI_TYPE_THERMAL: 604 case ACPI_TYPE_POWER: 605 ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO); 606 if (ad == NULL) 607 return AE_NO_MEMORY; 608 609 ad->ad_devinfo = devinfo; 610 ad->ad_handle = handle; 611 ad->ad_level = level; 612 ad->ad_scope = as; 613 ad->ad_type = type; 614 615 TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list); 616 617 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 618 goto out; 619 620 #ifdef ACPI_EXTRA_DEBUG 621 printf("%s: HID %s found in scope %s level %d\n", 622 sc->sc_dev.dv_xname, 623 ad->ad_devinfo->HardwareId.Value, 624 as->as_name, ad->ad_level); 625 if (ad->ad_devinfo->Valid & ACPI_VALID_UID) 626 printf(" UID %s\n", 627 ad->ad_devinfo->UniqueId.Value); 628 if (ad->ad_devinfo->Valid & ACPI_VALID_ADR) 629 printf(" ADR 0x%016qx\n", 630 ad->ad_devinfo->Address); 631 if (ad->ad_devinfo->Valid & ACPI_VALID_STA) 632 printf(" STA 0x%08x\n", 633 ad->ad_devinfo->CurrentStatus); 634 #endif 635 } 636 } 637 out: 638 return AE_OK; 639 } 640 641 /* 642 * acpi_print: 643 * 644 * Autoconfiguration print routine. 645 */ 646 static int 647 acpi_print(void *aux, const char *pnp) 648 { 649 struct acpi_attach_args *aa = aux; 650 ACPI_STATUS rv; 651 652 if (pnp) { 653 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 654 char *pnpstr = 655 aa->aa_node->ad_devinfo->HardwareId.Value; 656 char *str; 657 658 aprint_normal("%s ", pnpstr); 659 rv = acpi_eval_string(aa->aa_node->ad_handle, 660 "_STR", &str); 661 if (ACPI_SUCCESS(rv)) { 662 aprint_normal("[%s] ", str); 663 AcpiOsFree(str); 664 } 665 #ifdef ACPIVERBOSE 666 else { 667 int i; 668 669 for (i = 0; i < sizeof(acpi_knowndevs) / 670 sizeof(acpi_knowndevs[0]); i++) { 671 if (strcmp(acpi_knowndevs[i].pnp, 672 pnpstr) == 0) { 673 printf("[%s] ", 674 acpi_knowndevs[i].str); 675 } 676 } 677 } 678 679 #endif 680 } else { 681 aprint_normal("ACPI Object Type '%s' (0x%02x) ", 682 AcpiUtGetTypeName(aa->aa_node->ad_devinfo->Type), 683 aa->aa_node->ad_devinfo->Type); 684 } 685 aprint_normal("at %s", pnp); 686 } else { 687 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 688 aprint_normal(" (%s", aa->aa_node->ad_devinfo->HardwareId.Value); 689 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_UID) { 690 const char *uid; 691 692 uid = aa->aa_node->ad_devinfo->UniqueId.Value; 693 if (uid[0] == '\0') 694 uid = "<null>"; 695 aprint_normal("-%s", uid); 696 } 697 aprint_normal(")"); 698 } 699 } 700 701 return UNCONF; 702 } 703 704 /***************************************************************************** 705 * ACPI fixed-hardware feature handlers 706 *****************************************************************************/ 707 708 static UINT32 acpi_fixed_button_handler(void *); 709 static void acpi_fixed_button_pressed(void *); 710 711 /* 712 * acpi_enable_fixed_events: 713 * 714 * Enable any fixed-hardware feature handlers. 715 */ 716 static void 717 acpi_enable_fixed_events(struct acpi_softc *sc) 718 { 719 static int beenhere; 720 ACPI_STATUS rv; 721 722 KASSERT(beenhere == 0); 723 beenhere = 1; 724 725 /* 726 * Check for fixed-hardware buttons. 727 */ 728 729 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->PwrButton == 0) { 730 printf("%s: fixed-feature power button present\n", 731 sc->sc_dev.dv_xname); 732 sc->sc_smpsw_power.smpsw_name = sc->sc_dev.dv_xname; 733 sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER; 734 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 735 printf("%s: unable to register fixed power button " 736 "with sysmon\n", sc->sc_dev.dv_xname); 737 } else { 738 rv = AcpiInstallFixedEventHandler( 739 ACPI_EVENT_POWER_BUTTON, 740 acpi_fixed_button_handler, &sc->sc_smpsw_power); 741 if (ACPI_FAILURE(rv)) { 742 printf("%s: unable to install handler for " 743 "fixed power button: %s\n", 744 sc->sc_dev.dv_xname, 745 AcpiFormatException(rv)); 746 } 747 } 748 } 749 750 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->SleepButton == 0) { 751 printf("%s: fixed-feature sleep button present\n", 752 sc->sc_dev.dv_xname); 753 sc->sc_smpsw_sleep.smpsw_name = sc->sc_dev.dv_xname; 754 sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP; 755 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 756 printf("%s: unable to register fixed sleep button " 757 "with sysmon\n", sc->sc_dev.dv_xname); 758 } else { 759 rv = AcpiInstallFixedEventHandler( 760 ACPI_EVENT_SLEEP_BUTTON, 761 acpi_fixed_button_handler, &sc->sc_smpsw_sleep); 762 if (ACPI_FAILURE(rv)) { 763 printf("%s: unable to install handler for " 764 "fixed sleep button: %s\n", 765 sc->sc_dev.dv_xname, 766 AcpiFormatException(rv)); 767 } 768 } 769 } 770 } 771 772 /* 773 * acpi_fixed_button_handler: 774 * 775 * Event handler for the fixed buttons. 776 */ 777 static UINT32 778 acpi_fixed_button_handler(void *context) 779 { 780 struct sysmon_pswitch *smpsw = context; 781 int rv; 782 783 #ifdef ACPI_BUT_DEBUG 784 printf("%s: fixed button handler\n", smpsw->smpsw_name); 785 #endif 786 787 rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO, 788 acpi_fixed_button_pressed, smpsw); 789 if (ACPI_FAILURE(rv)) 790 printf("%s: WARNING: unable to queue fixed button pressed " 791 "callback: %s\n", smpsw->smpsw_name, 792 AcpiFormatException(rv)); 793 794 return ACPI_INTERRUPT_HANDLED; 795 } 796 797 /* 798 * acpi_fixed_button_pressed: 799 * 800 * Deal with a fixed button being pressed. 801 */ 802 static void 803 acpi_fixed_button_pressed(void *context) 804 { 805 struct sysmon_pswitch *smpsw = context; 806 807 #ifdef ACPI_BUT_DEBUG 808 printf("%s: fixed button pressed, calling sysmon\n", 809 smpsw->smpsw_name); 810 #endif 811 812 sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED); 813 } 814 815 /***************************************************************************** 816 * ACPI utility routines. 817 *****************************************************************************/ 818 819 /* 820 * acpi_eval_integer: 821 * 822 * Evaluate an integer object. 823 */ 824 ACPI_STATUS 825 acpi_eval_integer(ACPI_HANDLE handle, const char *path, ACPI_INTEGER *valp) 826 { 827 ACPI_STATUS rv; 828 ACPI_BUFFER buf; 829 ACPI_OBJECT param; 830 831 if (handle == NULL) 832 handle = ACPI_ROOT_OBJECT; 833 834 buf.Pointer = ¶m; 835 buf.Length = sizeof(param); 836 837 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_INTEGER); 838 if (ACPI_SUCCESS(rv)) 839 *valp = param.Integer.Value; 840 841 return rv; 842 } 843 844 /* 845 * acpi_eval_string: 846 * 847 * Evaluate a (Unicode) string object. 848 */ 849 ACPI_STATUS 850 acpi_eval_string(ACPI_HANDLE handle, const char *path, char **stringp) 851 { 852 ACPI_STATUS rv; 853 ACPI_BUFFER buf; 854 855 if (handle == NULL) 856 handle = ACPI_ROOT_OBJECT; 857 858 buf.Pointer = NULL; 859 buf.Length = ACPI_ALLOCATE_BUFFER; 860 861 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_STRING); 862 if (ACPI_SUCCESS(rv)) { 863 ACPI_OBJECT *param = buf.Pointer; 864 const char *ptr = param->String.Pointer; 865 size_t len = param->String.Length; 866 if ((*stringp = AcpiOsAllocate(len)) == NULL) 867 rv = AE_NO_MEMORY; 868 else 869 (void)memcpy(*stringp, ptr, len); 870 AcpiOsFree(param); 871 } 872 873 return rv; 874 } 875 876 877 /* 878 * acpi_eval_struct: 879 * 880 * Evaluate a more complex structure. 881 * Caller must free buf.Pointer by AcpiOsFree(). 882 */ 883 ACPI_STATUS 884 acpi_eval_struct(ACPI_HANDLE handle, const char *path, ACPI_BUFFER *bufp) 885 { 886 ACPI_STATUS rv; 887 888 if (handle == NULL) 889 handle = ACPI_ROOT_OBJECT; 890 891 bufp->Pointer = NULL; 892 bufp->Length = ACPI_ALLOCATE_BUFFER; 893 894 rv = AcpiEvaluateObject(handle, path, NULL, bufp); 895 896 return rv; 897 } 898 899 /* 900 * acpi_foreach_package_object: 901 * 902 * Iterate over all objects in a in a packages and pass then all 903 * to a function. If the called function returns non AE_OK, the 904 * iteration is stopped and that value is returned. 905 */ 906 907 ACPI_STATUS 908 acpi_foreach_package_object(ACPI_OBJECT *pkg, 909 ACPI_STATUS (*func)(ACPI_OBJECT *, void *), 910 void *arg) 911 { 912 ACPI_STATUS rv = AE_OK; 913 int i; 914 915 if (pkg == NULL || pkg->Type != ACPI_TYPE_PACKAGE) 916 return AE_BAD_PARAMETER; 917 918 for (i = 0; i < pkg->Package.Count; i++) { 919 rv = (*func)(&pkg->Package.Elements[i], arg); 920 if (ACPI_FAILURE(rv)) 921 break; 922 } 923 924 return rv; 925 } 926 927 const char * 928 acpi_name(ACPI_HANDLE handle) 929 { 930 static char buffer[80]; 931 ACPI_BUFFER buf; 932 ACPI_STATUS rv; 933 934 buf.Length = sizeof(buffer); 935 buf.Pointer = buffer; 936 937 rv = AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf); 938 if (ACPI_FAILURE(rv)) 939 return "(unknown acpi path)"; 940 return buffer; 941 } 942 943 /* 944 * acpi_get: 945 * 946 * Fetch data info the specified (empty) ACPI buffer. 947 * Caller must free buf.Pointer by AcpiOsFree(). 948 */ 949 ACPI_STATUS 950 acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf, 951 ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *)) 952 { 953 buf->Pointer = NULL; 954 buf->Length = ACPI_ALLOCATE_BUFFER; 955 956 return (*getit)(handle, buf); 957 } 958 959 960 /* 961 * acpi_match_hid 962 * 963 * Match given ids against _HID and _CIDs 964 */ 965 int 966 acpi_match_hid(ACPI_DEVICE_INFO *ad, const char * const *ids) 967 { 968 int i; 969 970 while (*ids) { 971 if (ad->Valid & ACPI_VALID_HID) { 972 if (pmatch(ad->HardwareId.Value, *ids, NULL) == 2) 973 return 1; 974 } 975 976 if (ad->Valid & ACPI_VALID_CID) { 977 for (i = 0; i < ad->CompatibilityId.Count; i++) { 978 if (pmatch(ad->CompatibilityId.Id[i].Value, *ids, NULL) == 2) 979 return 1; 980 } 981 } 982 ids++; 983 } 984 985 return 0; 986 } 987 988 /* 989 * acpi_set_wake_gpe 990 * 991 * Set GPE as both Runtime and Wake 992 */ 993 void 994 acpi_set_wake_gpe(ACPI_HANDLE handle) 995 { 996 ACPI_BUFFER buf; 997 ACPI_STATUS rv; 998 ACPI_OBJECT *p, *elt; 999 1000 rv = acpi_eval_struct(handle, METHOD_NAME__PRW, &buf); 1001 if (ACPI_FAILURE(rv)) 1002 return; /* just ignore */ 1003 1004 p = buf.Pointer; 1005 if (p->Type != ACPI_TYPE_PACKAGE || p->Package.Count < 2) 1006 goto out; /* just ignore */ 1007 1008 elt = p->Package.Elements; 1009 1010 /* TBD: package support */ 1011 AcpiSetGpeType(NULL, elt[0].Integer.Value, ACPI_GPE_TYPE_WAKE_RUN); 1012 AcpiEnableGpe(NULL, elt[0].Integer.Value, ACPI_NOT_ISR); 1013 1014 out: 1015 AcpiOsFree(buf.Pointer); 1016 } 1017 1018 1019 /***************************************************************************** 1020 * ACPI sleep support. 1021 *****************************************************************************/ 1022 1023 static int 1024 is_available_state(struct acpi_softc *sc, int state) 1025 { 1026 UINT8 type_a, type_b; 1027 1028 return ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state, 1029 &type_a, &type_b)); 1030 } 1031 1032 /* 1033 * acpi_enter_sleep_state: 1034 * 1035 * enter to the specified sleep state. 1036 */ 1037 1038 ACPI_STATUS 1039 acpi_enter_sleep_state(struct acpi_softc *sc, int state) 1040 { 1041 int s; 1042 ACPI_STATUS ret = AE_OK; 1043 1044 switch (state) { 1045 case ACPI_STATE_S0: 1046 break; 1047 case ACPI_STATE_S1: 1048 case ACPI_STATE_S2: 1049 case ACPI_STATE_S3: 1050 case ACPI_STATE_S4: 1051 if (!is_available_state(sc, state)) { 1052 printf("acpi: cannot enter the sleep state (%d).\n", 1053 state); 1054 break; 1055 } 1056 ret = AcpiEnterSleepStatePrep(state); 1057 if (ACPI_FAILURE(ret)) { 1058 printf("acpi: failed preparing to sleep (%s)\n", 1059 AcpiFormatException(ret)); 1060 break; 1061 } 1062 if (state==ACPI_STATE_S1) { 1063 /* just enter the state */ 1064 acpi_md_OsDisableInterrupt(); 1065 AcpiEnterSleepState((UINT8)state); 1066 AcpiUtReleaseMutex(ACPI_MTX_HARDWARE); 1067 } else { 1068 /* XXX: powerhooks(9) framework is too poor to 1069 * support ACPI sleep state... 1070 */ 1071 dopowerhooks(PWR_SOFTSUSPEND); 1072 s = splhigh(); 1073 dopowerhooks(PWR_SUSPEND); 1074 acpi_md_sleep(state); 1075 dopowerhooks(PWR_RESUME); 1076 splx(s); 1077 dopowerhooks(PWR_SOFTRESUME); 1078 if (state==ACPI_STATE_S4) 1079 AcpiEnable(); 1080 } 1081 AcpiLeaveSleepState((UINT8)state); 1082 break; 1083 case ACPI_STATE_S5: 1084 ret = AcpiEnterSleepStatePrep(ACPI_STATE_S5); 1085 if (ACPI_FAILURE(ret)) { 1086 printf("acpi: failed preparing to sleep (%s)\n", 1087 AcpiFormatException(ret)); 1088 break; 1089 } 1090 acpi_md_OsDisableInterrupt(); 1091 AcpiEnterSleepState(ACPI_STATE_S5); 1092 printf("WARNING: powerdown failed!\n"); 1093 break; 1094 } 1095 1096 return ret; 1097 } 1098 1099 #ifdef PCI_INTR_FIXUP 1100 ACPI_STATUS acpi_pci_fixup_bus(ACPI_HANDLE, UINT32, void *, void **); 1101 /* 1102 * acpi_pci_fixup: 1103 * 1104 * Set up PCI devices that BIOS didn't handle right. 1105 * Iterate through all devices and try to get the _PTR 1106 * (PCI Routing Table). If it exists then make sure all 1107 * interrupt links that it uses are working. 1108 */ 1109 void 1110 acpi_pci_fixup(struct acpi_softc *sc) 1111 { 1112 ACPI_HANDLE parent; 1113 ACPI_STATUS rv; 1114 1115 #ifdef ACPI_DEBUG 1116 printf("acpi_pci_fixup starts:\n"); 1117 #endif 1118 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent); 1119 if (ACPI_FAILURE(rv)) 1120 return; 1121 sc->sc_pci_bus = 0; 1122 AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100, 1123 acpi_pci_fixup_bus, sc, NULL); 1124 } 1125 1126 static uint 1127 acpi_get_intr(ACPI_HANDLE handle) 1128 { 1129 ACPI_BUFFER ret; 1130 ACPI_STATUS rv; 1131 ACPI_RESOURCE *res; 1132 ACPI_RESOURCE_IRQ *irq; 1133 uint intr; 1134 1135 intr = -1; 1136 rv = acpi_get(handle, &ret, AcpiGetCurrentResources); 1137 if (ACPI_FAILURE(rv)) 1138 return intr; 1139 for (res = ret.Pointer; res->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT; 1140 res = ACPI_NEXT_RESOURCE(res)) { 1141 if (res->Type == ACPI_RESOURCE_TYPE_IRQ) { 1142 irq = (ACPI_RESOURCE_IRQ *)&res->Data; 1143 if (irq->InterruptCount == 1) 1144 intr = irq->Interrupts[0]; 1145 break; 1146 } 1147 } 1148 AcpiOsFree(ret.Pointer); 1149 return intr; 1150 } 1151 1152 static void 1153 acpi_pci_set_line(int bus, int dev, int pin, int line) 1154 { 1155 ACPI_STATUS err; 1156 ACPI_PCI_ID pid; 1157 UINT32 intr, id, bhlc; 1158 int func, nfunc; 1159 1160 pid.Bus = bus; 1161 pid.Device = dev; 1162 pid.Function = 0; 1163 1164 err = AcpiOsReadPciConfiguration(&pid, PCI_BHLC_REG, &bhlc, 32); 1165 if (err) 1166 return; 1167 if (PCI_HDRTYPE_MULTIFN(bhlc)) 1168 nfunc = 8; 1169 else 1170 nfunc = 1; 1171 1172 for (func = 0; func < nfunc; func++) { 1173 pid.Function = func; 1174 1175 err = AcpiOsReadPciConfiguration(&pid, PCI_ID_REG, &id, 32); 1176 if (err || PCI_VENDOR(id) == PCI_VENDOR_INVALID || 1177 PCI_VENDOR(id) == 0) 1178 continue; 1179 1180 err = AcpiOsReadPciConfiguration(&pid, PCI_INTERRUPT_REG, 1181 &intr, 32); 1182 if (err) { 1183 printf("AcpiOsReadPciConfiguration failed %d\n", err); 1184 return; 1185 } 1186 if (pin == PCI_INTERRUPT_PIN(intr) && 1187 line != PCI_INTERRUPT_LINE(intr)) { 1188 #ifdef ACPI_DEBUG 1189 printf("acpi fixup pci intr: %d:%d:%d %c: %d -> %d\n", 1190 bus, dev, func, 1191 pin + '@', PCI_INTERRUPT_LINE(intr), 1192 line); 1193 #endif 1194 intr &= ~(PCI_INTERRUPT_LINE_MASK << 1195 PCI_INTERRUPT_LINE_SHIFT); 1196 intr |= line << PCI_INTERRUPT_LINE_SHIFT; 1197 err = AcpiOsWritePciConfiguration(&pid, 1198 PCI_INTERRUPT_REG, intr, 32); 1199 if (err) { 1200 printf("AcpiOsWritePciConfiguration failed" 1201 " %d\n", err); 1202 return; 1203 } 1204 } 1205 } 1206 } 1207 1208 ACPI_STATUS 1209 acpi_pci_fixup_bus(ACPI_HANDLE handle, UINT32 level, void *context, 1210 void **status) 1211 { 1212 struct acpi_softc *sc = context; 1213 ACPI_STATUS rv; 1214 ACPI_BUFFER buf; 1215 UINT8 *Buffer; 1216 ACPI_PCI_ROUTING_TABLE *PrtElement; 1217 ACPI_HANDLE link; 1218 uint line; 1219 ACPI_INTEGER val; 1220 1221 rv = acpi_get(handle, &buf, AcpiGetIrqRoutingTable); 1222 if (ACPI_FAILURE(rv)) 1223 return AE_OK; 1224 1225 /* 1226 * If at level 1, this is a PCI root bus. Try the _BBN method 1227 * to get the right PCI bus numbering for the following 1228 * busses (this is a depth-first walk). It may fail, 1229 * for example if there's only one root bus, but that 1230 * case should be ok, so we'll ignore that. 1231 */ 1232 if (level == 1) { 1233 rv = acpi_eval_integer(handle, METHOD_NAME__BBN, &val); 1234 if (!ACPI_FAILURE(rv)) { 1235 #ifdef ACPI_DEBUG 1236 printf("%s: fixup: _BBN success, bus # was %d now %d\n", 1237 sc->sc_dev.dv_xname, sc->sc_pci_bus, 1238 ACPI_LOWORD(val)); 1239 #endif 1240 sc->sc_pci_bus = ACPI_LOWORD(val); 1241 } 1242 } 1243 1244 1245 #ifdef ACPI_DEBUG 1246 printf("%s: fixing up PCI bus %d at level %u\n", sc->sc_dev.dv_xname, 1247 sc->sc_pci_bus, level); 1248 #endif 1249 1250 for (Buffer = buf.Pointer; ; Buffer += PrtElement->Length) { 1251 PrtElement = (ACPI_PCI_ROUTING_TABLE *)Buffer; 1252 if (PrtElement->Length == 0) 1253 break; 1254 if (PrtElement->Source[0] == 0) 1255 continue; 1256 1257 rv = AcpiGetHandle(NULL, PrtElement->Source, &link); 1258 if (ACPI_FAILURE(rv)) 1259 continue; 1260 line = acpi_get_intr(link); 1261 if (line == (uint)-1 || line == 0) { 1262 printf("%s: fixing up intr link %s\n", 1263 sc->sc_dev.dv_xname, PrtElement->Source); 1264 rv = acpi_allocate_resources(link); 1265 if (ACPI_FAILURE(rv)) { 1266 printf("%s: interrupt allocation failed %s\n", 1267 sc->sc_dev.dv_xname, PrtElement->Source); 1268 continue; 1269 } 1270 line = acpi_get_intr(link); 1271 if (line == (uint)-1) { 1272 printf("%s: get intr failed %s\n", 1273 sc->sc_dev.dv_xname, PrtElement->Source); 1274 continue; 1275 } 1276 } 1277 1278 acpi_pci_set_line(sc->sc_pci_bus, PrtElement->Address >> 16, 1279 PrtElement->Pin + 1, line); 1280 } 1281 1282 sc->sc_pci_bus++; 1283 1284 AcpiOsFree(buf.Pointer); 1285 return AE_OK; 1286 } 1287 #endif /* PCI_INTR_FIXUP */ 1288 1289 #if defined(PCI_INTR_FIXUP) || defined(ACPI_ACTIVATE_DEV) 1290 /* XXX This very incomplete */ 1291 static ACPI_STATUS 1292 acpi_allocate_resources(ACPI_HANDLE handle) 1293 { 1294 ACPI_BUFFER bufp, bufc, bufn; 1295 ACPI_RESOURCE *resp, *resc, *resn; 1296 ACPI_RESOURCE_IRQ *irq; 1297 ACPI_STATUS rv; 1298 uint delta; 1299 1300 rv = acpi_get(handle, &bufp, AcpiGetPossibleResources); 1301 if (ACPI_FAILURE(rv)) 1302 goto out; 1303 rv = acpi_get(handle, &bufc, AcpiGetCurrentResources); 1304 if (ACPI_FAILURE(rv)) { 1305 goto out1; 1306 } 1307 1308 bufn.Length = 1000; 1309 bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK); 1310 resp = bufp.Pointer; 1311 resc = bufc.Pointer; 1312 while (resc->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT && 1313 resp->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT) { 1314 while (resc->Type != resp->Type && resp->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT) 1315 resp = ACPI_NEXT_RESOURCE(resp); 1316 if (resp->Type == ACPI_RESOURCE_TYPE_END_DEPENDENT) 1317 break; 1318 /* Found identical Id */ 1319 resn->Type = resc->Type; 1320 switch (resc->Type) { 1321 case ACPI_RESOURCE_TYPE_IRQ: 1322 memcpy(&resn->Data, &resp->Data, 1323 sizeof(ACPI_RESOURCE_IRQ)); 1324 irq = (ACPI_RESOURCE_IRQ *)&resn->Data; 1325 irq->Interrupts[0] = 1326 ((ACPI_RESOURCE_IRQ *)&resp->Data)-> 1327 Interrupts[irq->InterruptCount-1]; 1328 irq->InterruptCount = 1; 1329 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_IRQ); 1330 break; 1331 case ACPI_RESOURCE_TYPE_IO: 1332 memcpy(&resn->Data, &resp->Data, 1333 sizeof(ACPI_RESOURCE_IO)); 1334 resn->Length = resp->Length; 1335 break; 1336 default: 1337 printf("acpi_allocate_resources: res=%d\n", resc->Type); 1338 rv = AE_BAD_DATA; 1339 goto out2; 1340 } 1341 resc = ACPI_NEXT_RESOURCE(resc); 1342 resn = ACPI_NEXT_RESOURCE(resn); 1343 delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer; 1344 if (delta >= 1345 bufn.Length-ACPI_RS_SIZE(ACPI_RESOURCE_DATA)) { 1346 bufn.Length *= 2; 1347 bufn.Pointer = realloc(bufn.Pointer, bufn.Length, 1348 M_ACPI, M_WAITOK); 1349 resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta); 1350 } 1351 } 1352 if (resc->Type != ACPI_RESOURCE_TYPE_END_DEPENDENT) { 1353 printf("acpi_allocate_resources: resc not exhausted\n"); 1354 rv = AE_BAD_DATA; 1355 goto out3; 1356 } 1357 1358 resn->Type = ACPI_RESOURCE_TYPE_END_DEPENDENT; 1359 rv = AcpiSetCurrentResources(handle, &bufn); 1360 if (ACPI_FAILURE(rv)) { 1361 printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n", 1362 AcpiFormatException(rv)); 1363 } 1364 1365 out3: 1366 free(bufn.Pointer, M_ACPI); 1367 out2: 1368 AcpiOsFree(bufc.Pointer); 1369 out1: 1370 AcpiOsFree(bufp.Pointer); 1371 out: 1372 return rv; 1373 } 1374 #endif /* PCI_INTR_FIXUP || ACPI_ACTIVATE_DEV */ 1375 1376 SYSCTL_SETUP(sysctl_acpi_setup, "sysctl hw.acpi subtree setup") 1377 { 1378 const struct sysctlnode *node; 1379 1380 if (sysctl_createv(clog, 0, NULL, NULL, 1381 CTLFLAG_PERMANENT, 1382 CTLTYPE_NODE, "hw", NULL, 1383 NULL, 0, NULL, 0, 1384 CTL_HW, CTL_EOL) != 0) 1385 return; 1386 1387 if (sysctl_createv(clog, 0, NULL, &node, 1388 CTLFLAG_PERMANENT, 1389 CTLTYPE_NODE, "acpi", NULL, 1390 NULL, 0, NULL, 0, 1391 CTL_HW, CTL_CREATE, CTL_EOL) != 0) 1392 return; 1393 1394 acpi_node = node->sysctl_num; 1395 } 1396
Indexes created Mon Sep 22 13:09:51 GMT 2025