1 /* $NetBSD: acpi.c,v 1.79 2005/12/13 23:27:31 cube 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 1.79 2005/12/13 23:27:31 cube 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 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 ACPI_STATUS acpi_disable(struct acpi_softc *sc); 164 static void acpi_build_tree(struct acpi_softc *); 165 static ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **); 166 167 static void acpi_enable_fixed_events(struct acpi_softc *); 168 #ifdef PCI_INTR_FIXUP 169 void acpi_pci_fixup(struct acpi_softc *); 170 #endif 171 #if defined(PCI_INTR_FIXUP) || defined(ACPI_ACTIVATE_DEV) 172 static ACPI_STATUS acpi_allocate_resources(ACPI_HANDLE handle); 173 #endif 174 175 /* 176 * acpi_probe: 177 * 178 * Probe for ACPI support. This is called by the 179 * machine-dependent ACPI front-end. All of the 180 * actual work is done by ACPICA. 181 * 182 * NOTE: This is not an autoconfiguration interface function. 183 */ 184 int 185 acpi_probe(void) 186 { 187 static int beenhere; 188 ACPI_STATUS rv; 189 190 if (beenhere != 0) 191 panic("acpi_probe: ACPI has already been probed"); 192 beenhere = 1; 193 194 simple_lock_init(&acpi_slock); 195 acpi_locked = 0; 196 197 /* 198 * Start up ACPICA. 199 */ 200 #ifdef ACPI_DEBUGGER 201 if (acpi_dbgr & ACPI_DBGR_INIT) 202 acpi_osd_debugger(); 203 #endif 204 205 rv = AcpiInitializeSubsystem(); 206 if (ACPI_FAILURE(rv)) { 207 printf("ACPI: unable to initialize ACPICA: %s\n", 208 AcpiFormatException(rv)); 209 return 0; 210 } 211 212 #ifdef ACPI_DEBUGGER 213 if (acpi_dbgr & ACPI_DBGR_TABLES) 214 acpi_osd_debugger(); 215 #endif 216 217 rv = AcpiLoadTables(); 218 if (ACPI_FAILURE(rv)) { 219 printf("ACPI: unable to load tables: %s\n", 220 AcpiFormatException(rv)); 221 return 0; 222 } 223 224 /* 225 * Looks like we have ACPI! 226 */ 227 228 return 1; 229 } 230 231 ACPI_STATUS 232 acpi_OsGetRootPointer(UINT32 Flags, ACPI_POINTER *PhysicalAddress) 233 { 234 ACPI_STATUS rv; 235 236 /* 237 * IA-32: Use AcpiFindRootPointer() to locate the RSDP. 238 * 239 * IA-64: Use the EFI. 240 * 241 * We let MD code handle this since there are multiple 242 * ways to do it. 243 */ 244 245 rv = acpi_md_OsGetRootPointer(Flags, PhysicalAddress); 246 247 if (acpi_root_pointer == 0 && ACPI_SUCCESS(rv)) 248 acpi_root_pointer = 249 (uint64_t)PhysicalAddress->Pointer.Physical; 250 251 return rv; 252 } 253 254 /* 255 * acpi_match: 256 * 257 * Autoconfiguration `match' routine. 258 */ 259 static int 260 acpi_match(struct device *parent, struct cfdata *match, void *aux) 261 { 262 /* 263 * XXX Check other locators? Hard to know -- machine 264 * dependent code has already checked for the presence 265 * of ACPI by calling acpi_probe(), so I suppose we 266 * don't really have to do anything else. 267 */ 268 return 1; 269 } 270 271 /* 272 * acpi_attach: 273 * 274 * Autoconfiguration `attach' routine. Finish initializing 275 * ACPICA (some initialization was done in acpi_probe(), 276 * which was required to check for the presence of ACPI), 277 * and enable the ACPI subsystem. 278 */ 279 static void 280 acpi_attach(struct device *parent, struct device *self, void *aux) 281 { 282 struct acpi_softc *sc = (void *) self; 283 struct acpibus_attach_args *aa = aux; 284 ACPI_STATUS rv; 285 286 printf("\n"); 287 288 if (acpi_softc != NULL) 289 panic("acpi_attach: ACPI has already been attached"); 290 291 sysmon_power_settype("acpi"); 292 293 printf("%s: using Intel ACPI CA subsystem version %08x\n", 294 sc->sc_dev.dv_xname, ACPI_CA_VERSION); 295 296 printf("%s: X/RSDT: OemId <%6.6s,%8.8s,%08x>, AslId <%4.4s,%08x>\n", 297 sc->sc_dev.dv_xname, 298 AcpiGbl_XSDT->OemId, AcpiGbl_XSDT->OemTableId, 299 AcpiGbl_XSDT->OemRevision, 300 AcpiGbl_XSDT->AslCompilerId, AcpiGbl_XSDT->AslCompilerRevision); 301 302 sc->sc_quirks = acpi_find_quirks(); 303 304 sc->sc_iot = aa->aa_iot; 305 sc->sc_memt = aa->aa_memt; 306 sc->sc_pc = aa->aa_pc; 307 sc->sc_pciflags = aa->aa_pciflags; 308 sc->sc_ic = aa->aa_ic; 309 310 acpi_softc = sc; 311 312 /* 313 * Bring ACPI on-line. 314 */ 315 #ifdef ACPI_DEBUGGER 316 if (acpi_dbgr & ACPI_DBGR_ENABLE) 317 acpi_osd_debugger(); 318 #endif 319 320 rv = AcpiEnableSubsystem(0); 321 if (ACPI_FAILURE(rv)) { 322 printf("%s: unable to enable ACPI: %s\n", 323 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 324 return; 325 } 326 327 /* early EC handler initialization if ECDT table is available */ 328 #if NACPIEC > 0 329 acpiec_early_attach(&sc->sc_dev); 330 #endif 331 332 rv = AcpiInitializeObjects(0); 333 if (ACPI_FAILURE(rv)) { 334 printf("%s: unable to initialize ACPI objects: %s\n", 335 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 336 return; 337 } 338 acpi_active = 1; 339 340 /* Our current state is "awake". */ 341 sc->sc_sleepstate = ACPI_STATE_S0; 342 343 /* Show SCI interrupt. */ 344 if (AcpiGbl_FADT != NULL) 345 printf("%s: SCI interrupting at int %d\n", 346 sc->sc_dev.dv_xname, AcpiGbl_FADT->SciInt); 347 /* 348 * Check for fixed-hardware features. 349 */ 350 acpi_enable_fixed_events(sc); 351 352 /* 353 * Fix up PCI devices. 354 */ 355 #ifdef PCI_INTR_FIXUP 356 if ((sc->sc_quirks & (ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ)) == 0) 357 acpi_pci_fixup(sc); 358 #endif 359 360 /* 361 * Scan the namespace and build our device tree. 362 */ 363 #ifdef ACPI_DEBUGGER 364 if (acpi_dbgr & ACPI_DBGR_PROBE) 365 acpi_osd_debugger(); 366 #endif 367 acpi_md_callback((struct device *)sc); 368 acpi_build_tree(sc); 369 370 if (acpi_root_pointer != 0 && acpi_node != CTL_EOL) 371 (void)sysctl_createv(NULL, 0, NULL, NULL, 372 CTLFLAG_IMMEDIATE, 373 CTLTYPE_QUAD, "root", NULL, NULL, 374 acpi_root_pointer, NULL, 0, 375 CTL_HW, acpi_node, CTL_CREATE, CTL_EOL); 376 377 /* 378 * Register a shutdown hook that disables certain ACPI 379 * events that might happen and confuse us while we're 380 * trying to shut down. 381 */ 382 sc->sc_sdhook = shutdownhook_establish(acpi_shutdown, sc); 383 if (sc->sc_sdhook == NULL) 384 printf("%s: WARNING: unable to register shutdown hook\n", 385 sc->sc_dev.dv_xname); 386 387 #ifdef ACPI_DEBUGGER 388 if (acpi_dbgr & ACPI_DBGR_RUNNING) 389 acpi_osd_debugger(); 390 #endif 391 } 392 393 /* 394 * acpi_shutdown: 395 * 396 * Shutdown hook for ACPI -- disable some events that 397 * might confuse us. 398 */ 399 static void 400 acpi_shutdown(void *arg) 401 { 402 struct acpi_softc *sc = arg; 403 ACPI_STATUS rv; 404 405 rv = acpi_disable(sc); 406 if (ACPI_FAILURE(rv)) 407 printf("%s: WARNING: unable to disable ACPI: %s\n", 408 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 409 } 410 411 /* 412 * acpi_disable: 413 * 414 * Disable ACPI. 415 */ 416 static ACPI_STATUS 417 acpi_disable(struct acpi_softc *sc) 418 { 419 ACPI_STATUS rv = AE_OK; 420 421 #ifdef ACPI_DISABLE_ON_POWEROFF 422 if (acpi_active) { 423 rv = AcpiDisable(); 424 if (ACPI_SUCCESS(rv)) 425 acpi_active = 0; 426 } 427 #endif 428 return rv; 429 } 430 431 struct acpi_make_devnode_state { 432 struct acpi_softc *softc; 433 struct acpi_scope *scope; 434 }; 435 436 /* 437 * acpi_build_tree: 438 * 439 * Scan relevant portions of the ACPI namespace and attach 440 * child devices. 441 */ 442 static void 443 acpi_build_tree(struct acpi_softc *sc) 444 { 445 static const char *scopes[] = { 446 "\\_PR_", /* ACPI 1.0 processor namespace */ 447 "\\_SB_", /* system bus namespace */ 448 "\\_SI_", /* system idicator namespace */ 449 "\\_TZ_", /* ACPI 1.0 thermal zone namespace */ 450 NULL, 451 }; 452 struct acpi_attach_args aa; 453 struct acpi_make_devnode_state state; 454 struct acpi_scope *as; 455 struct acpi_devnode *ad; 456 ACPI_HANDLE parent; 457 ACPI_STATUS rv; 458 int i; 459 460 TAILQ_INIT(&sc->sc_scopes); 461 462 state.softc = sc; 463 464 /* 465 * Scan the namespace and build our tree. 466 */ 467 for (i = 0; scopes[i] != NULL; i++) { 468 as = malloc(sizeof(*as), M_ACPI, M_WAITOK); 469 as->as_name = scopes[i]; 470 TAILQ_INIT(&as->as_devnodes); 471 472 TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list); 473 474 state.scope = as; 475 476 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], 477 &parent); 478 if (ACPI_SUCCESS(rv)) { 479 AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, 480 acpi_make_devnode, &state, NULL); 481 } 482 483 /* Now, for this namespace, try and attach the devices. */ 484 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 485 aa.aa_node = ad; 486 aa.aa_iot = sc->sc_iot; 487 aa.aa_memt = sc->sc_memt; 488 aa.aa_pc = sc->sc_pc; 489 aa.aa_pciflags = sc->sc_pciflags; 490 aa.aa_ic = sc->sc_ic; 491 492 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE) { 493 /* 494 * XXX We only attach devices which are: 495 * 496 * - present 497 * - enabled 498 * - functioning properly 499 * 500 * However, if enabled, it's decoding resources, 501 * so we should claim them, if possible. 502 * Requires changes to bus_space(9). 503 */ 504 if ((ad->ad_devinfo->Valid & ACPI_VALID_STA) == 505 ACPI_VALID_STA && 506 (ad->ad_devinfo->CurrentStatus & 507 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 508 ACPI_STA_DEV_OK)) != 509 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 510 ACPI_STA_DEV_OK)) 511 continue; 512 513 /* 514 * XXX Same problem as above... 515 */ 516 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) 517 == 0) 518 continue; 519 } 520 521 ad->ad_device = config_found(&sc->sc_dev, 522 &aa, acpi_print); 523 } 524 } 525 } 526 527 #ifdef ACPI_ACTIVATE_DEV 528 static void 529 acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO **di) 530 { 531 ACPI_STATUS rv; 532 ACPI_BUFFER buf; 533 534 buf.Pointer = NULL; 535 buf.Length = ACPI_ALLOCATE_BUFFER; 536 537 #ifdef ACPI_DEBUG 538 printf("acpi_activate_device: %s, old status=%x\n", 539 (*di)->HardwareId.Value, (*di)->CurrentStatus); 540 #endif 541 542 rv = acpi_allocate_resources(handle); 543 if (ACPI_FAILURE(rv)) { 544 printf("acpi: activate failed for %s\n", 545 (*di)->HardwareId.Value); 546 } else { 547 printf("acpi: activated %s\n", (*di)->HardwareId.Value); 548 } 549 550 (void)AcpiGetObjectInfo(handle, &buf); 551 AcpiOsFree(*di); 552 *di = buf.Pointer; 553 554 #ifdef ACPI_DEBUG 555 printf("acpi_activate_device: %s, new status=%x\n", 556 (*di)->HardwareId.Value, (*di)->CurrentStatus); 557 #endif 558 } 559 #endif /* ACPI_ACTIVATE_DEV */ 560 561 /* 562 * acpi_make_devnode: 563 * 564 * Make an ACPI devnode. 565 */ 566 static ACPI_STATUS 567 acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context, 568 void **status) 569 { 570 struct acpi_make_devnode_state *state = context; 571 #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG) 572 struct acpi_softc *sc = state->softc; 573 #endif 574 struct acpi_scope *as = state->scope; 575 struct acpi_devnode *ad; 576 ACPI_OBJECT_TYPE type; 577 ACPI_BUFFER buf; 578 ACPI_DEVICE_INFO *devinfo; 579 ACPI_STATUS rv; 580 581 rv = AcpiGetType(handle, &type); 582 if (ACPI_SUCCESS(rv)) { 583 buf.Pointer = NULL; 584 buf.Length = ACPI_ALLOCATE_BUFFER; 585 rv = AcpiGetObjectInfo(handle, &buf); 586 if (ACPI_FAILURE(rv)) { 587 #ifdef ACPI_DEBUG 588 printf("%s: AcpiGetObjectInfo failed: %s\n", 589 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 590 #endif 591 goto out; /* XXX why return OK */ 592 } 593 594 devinfo = buf.Pointer; 595 596 switch (type) { 597 case ACPI_TYPE_DEVICE: 598 #ifdef ACPI_ACTIVATE_DEV 599 if ((devinfo->Valid & (ACPI_VALID_STA|ACPI_VALID_HID)) == 600 (ACPI_VALID_STA|ACPI_VALID_HID) && 601 (devinfo->CurrentStatus & 602 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) == 603 ACPI_STA_DEV_PRESENT) 604 acpi_activate_device(handle, &devinfo); 605 606 /* FALLTHROUGH */ 607 #endif 608 609 case ACPI_TYPE_PROCESSOR: 610 case ACPI_TYPE_THERMAL: 611 case ACPI_TYPE_POWER: 612 ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO); 613 if (ad == NULL) 614 return AE_NO_MEMORY; 615 616 ad->ad_devinfo = devinfo; 617 ad->ad_handle = handle; 618 ad->ad_level = level; 619 ad->ad_scope = as; 620 ad->ad_type = type; 621 622 TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list); 623 624 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 625 goto out; 626 627 #ifdef ACPI_EXTRA_DEBUG 628 printf("%s: HID %s found in scope %s level %d\n", 629 sc->sc_dev.dv_xname, 630 ad->ad_devinfo->HardwareId.Value, 631 as->as_name, ad->ad_level); 632 if (ad->ad_devinfo->Valid & ACPI_VALID_UID) 633 printf(" UID %s\n", 634 ad->ad_devinfo->UniqueId.Value); 635 if (ad->ad_devinfo->Valid & ACPI_VALID_ADR) 636 printf(" ADR 0x%016qx\n", 637 ad->ad_devinfo->Address); 638 if (ad->ad_devinfo->Valid & ACPI_VALID_STA) 639 printf(" STA 0x%08x\n", 640 ad->ad_devinfo->CurrentStatus); 641 #endif 642 } 643 } 644 out: 645 return AE_OK; 646 } 647 648 /* 649 * acpi_print: 650 * 651 * Autoconfiguration print routine. 652 */ 653 static int 654 acpi_print(void *aux, const char *pnp) 655 { 656 struct acpi_attach_args *aa = aux; 657 ACPI_STATUS rv; 658 659 if (pnp) { 660 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 661 char *pnpstr = 662 aa->aa_node->ad_devinfo->HardwareId.Value; 663 char *str; 664 665 aprint_normal("%s ", pnpstr); 666 rv = acpi_eval_string(aa->aa_node->ad_handle, 667 "_STR", &str); 668 if (ACPI_SUCCESS(rv)) { 669 aprint_normal("[%s] ", str); 670 AcpiOsFree(str); 671 } 672 #ifdef ACPIVERBOSE 673 else { 674 int i; 675 676 for (i = 0; i < sizeof(acpi_knowndevs) / 677 sizeof(acpi_knowndevs[0]); i++) { 678 if (strcmp(acpi_knowndevs[i].pnp, 679 pnpstr) == 0) { 680 printf("[%s] ", 681 acpi_knowndevs[i].str); 682 } 683 } 684 } 685 686 #endif 687 } else { 688 aprint_normal("ACPI Object Type '%s' (0x%02x) ", 689 AcpiUtGetTypeName(aa->aa_node->ad_devinfo->Type), 690 aa->aa_node->ad_devinfo->Type); 691 } 692 aprint_normal("at %s", pnp); 693 } else { 694 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 695 aprint_normal(" (%s", aa->aa_node->ad_devinfo->HardwareId.Value); 696 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_UID) { 697 const char *uid; 698 699 uid = aa->aa_node->ad_devinfo->UniqueId.Value; 700 if (uid[0] == '\0') 701 uid = "<null>"; 702 aprint_normal("-%s", uid); 703 } 704 aprint_normal(")"); 705 } 706 } 707 708 return UNCONF; 709 } 710 711 /***************************************************************************** 712 * ACPI fixed-hardware feature handlers 713 *****************************************************************************/ 714 715 static UINT32 acpi_fixed_button_handler(void *); 716 static void acpi_fixed_button_pressed(void *); 717 718 /* 719 * acpi_enable_fixed_events: 720 * 721 * Enable any fixed-hardware feature handlers. 722 */ 723 static void 724 acpi_enable_fixed_events(struct acpi_softc *sc) 725 { 726 static int beenhere; 727 ACPI_STATUS rv; 728 729 KASSERT(beenhere == 0); 730 beenhere = 1; 731 732 /* 733 * Check for fixed-hardware buttons. 734 */ 735 736 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->PwrButton == 0) { 737 printf("%s: fixed-feature power button present\n", 738 sc->sc_dev.dv_xname); 739 sc->sc_smpsw_power.smpsw_name = sc->sc_dev.dv_xname; 740 sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER; 741 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 742 printf("%s: unable to register fixed power button " 743 "with sysmon\n", sc->sc_dev.dv_xname); 744 } else { 745 rv = AcpiInstallFixedEventHandler( 746 ACPI_EVENT_POWER_BUTTON, 747 acpi_fixed_button_handler, &sc->sc_smpsw_power); 748 if (ACPI_FAILURE(rv)) { 749 printf("%s: unable to install handler for " 750 "fixed power button: %s\n", 751 sc->sc_dev.dv_xname, 752 AcpiFormatException(rv)); 753 } 754 } 755 } 756 757 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->SleepButton == 0) { 758 printf("%s: fixed-feature sleep button present\n", 759 sc->sc_dev.dv_xname); 760 sc->sc_smpsw_sleep.smpsw_name = sc->sc_dev.dv_xname; 761 sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP; 762 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 763 printf("%s: unable to register fixed sleep button " 764 "with sysmon\n", sc->sc_dev.dv_xname); 765 } else { 766 rv = AcpiInstallFixedEventHandler( 767 ACPI_EVENT_SLEEP_BUTTON, 768 acpi_fixed_button_handler, &sc->sc_smpsw_sleep); 769 if (ACPI_FAILURE(rv)) { 770 printf("%s: unable to install handler for " 771 "fixed sleep button: %s\n", 772 sc->sc_dev.dv_xname, 773 AcpiFormatException(rv)); 774 } 775 } 776 } 777 } 778 779 /* 780 * acpi_fixed_button_handler: 781 * 782 * Event handler for the fixed buttons. 783 */ 784 static UINT32 785 acpi_fixed_button_handler(void *context) 786 { 787 struct sysmon_pswitch *smpsw = context; 788 int rv; 789 790 #ifdef ACPI_BUT_DEBUG 791 printf("%s: fixed button handler\n", smpsw->smpsw_name); 792 #endif 793 794 rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO, 795 acpi_fixed_button_pressed, smpsw); 796 if (ACPI_FAILURE(rv)) 797 printf("%s: WARNING: unable to queue fixed button pressed " 798 "callback: %s\n", smpsw->smpsw_name, 799 AcpiFormatException(rv)); 800 801 return ACPI_INTERRUPT_HANDLED; 802 } 803 804 /* 805 * acpi_fixed_button_pressed: 806 * 807 * Deal with a fixed button being pressed. 808 */ 809 static void 810 acpi_fixed_button_pressed(void *context) 811 { 812 struct sysmon_pswitch *smpsw = context; 813 814 #ifdef ACPI_BUT_DEBUG 815 printf("%s: fixed button pressed, calling sysmon\n", 816 smpsw->smpsw_name); 817 #endif 818 819 sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED); 820 } 821 822 /***************************************************************************** 823 * ACPI utility routines. 824 *****************************************************************************/ 825 826 /* 827 * acpi_eval_integer: 828 * 829 * Evaluate an integer object. 830 */ 831 ACPI_STATUS 832 acpi_eval_integer(ACPI_HANDLE handle, const char *path, ACPI_INTEGER *valp) 833 { 834 ACPI_STATUS rv; 835 ACPI_BUFFER buf; 836 ACPI_OBJECT param; 837 838 if (handle == NULL) 839 handle = ACPI_ROOT_OBJECT; 840 841 buf.Pointer = ¶m; 842 buf.Length = sizeof(param); 843 844 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_INTEGER); 845 if (ACPI_SUCCESS(rv)) 846 *valp = param.Integer.Value; 847 848 return rv; 849 } 850 851 /* 852 * acpi_eval_string: 853 * 854 * Evaluate a (Unicode) string object. 855 */ 856 ACPI_STATUS 857 acpi_eval_string(ACPI_HANDLE handle, const char *path, char **stringp) 858 { 859 ACPI_STATUS rv; 860 ACPI_BUFFER buf; 861 862 if (handle == NULL) 863 handle = ACPI_ROOT_OBJECT; 864 865 buf.Pointer = NULL; 866 buf.Length = ACPI_ALLOCATE_BUFFER; 867 868 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_STRING); 869 if (ACPI_SUCCESS(rv)) { 870 ACPI_OBJECT *param = buf.Pointer; 871 const char *ptr = param->String.Pointer; 872 size_t len = param->String.Length; 873 if ((*stringp = AcpiOsAllocate(len)) == NULL) 874 rv = AE_NO_MEMORY; 875 else 876 (void)memcpy(*stringp, ptr, len); 877 AcpiOsFree(param); 878 } 879 880 return rv; 881 } 882 883 884 /* 885 * acpi_eval_struct: 886 * 887 * Evaluate a more complex structure. 888 * Caller must free buf.Pointer by AcpiOsFree(). 889 */ 890 ACPI_STATUS 891 acpi_eval_struct(ACPI_HANDLE handle, const char *path, ACPI_BUFFER *bufp) 892 { 893 ACPI_STATUS rv; 894 895 if (handle == NULL) 896 handle = ACPI_ROOT_OBJECT; 897 898 bufp->Pointer = NULL; 899 bufp->Length = ACPI_ALLOCATE_BUFFER; 900 901 rv = AcpiEvaluateObject(handle, path, NULL, bufp); 902 903 return rv; 904 } 905 906 /* 907 * acpi_foreach_package_object: 908 * 909 * Iterate over all objects in a in a packages and pass then all 910 * to a function. If the called function returns non AE_OK, the 911 * iteration is stopped and that value is returned. 912 */ 913 914 ACPI_STATUS 915 acpi_foreach_package_object(ACPI_OBJECT *pkg, 916 ACPI_STATUS (*func)(ACPI_OBJECT *, void *), 917 void *arg) 918 { 919 ACPI_STATUS rv = AE_OK; 920 int i; 921 922 if (pkg == NULL || pkg->Type != ACPI_TYPE_PACKAGE) 923 return AE_BAD_PARAMETER; 924 925 for (i = 0; i < pkg->Package.Count; i++) { 926 rv = (*func)(&pkg->Package.Elements[i], arg); 927 if (ACPI_FAILURE(rv)) 928 break; 929 } 930 931 return rv; 932 } 933 934 const char * 935 acpi_name(ACPI_HANDLE handle) 936 { 937 static char buffer[80]; 938 ACPI_BUFFER buf; 939 ACPI_STATUS rv; 940 941 buf.Length = sizeof(buffer); 942 buf.Pointer = buffer; 943 944 rv = AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf); 945 if (ACPI_FAILURE(rv)) 946 return "(unknown acpi path)"; 947 return buffer; 948 } 949 950 /* 951 * acpi_get: 952 * 953 * Fetch data info the specified (empty) ACPI buffer. 954 * Caller must free buf.Pointer by AcpiOsFree(). 955 */ 956 ACPI_STATUS 957 acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf, 958 ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *)) 959 { 960 buf->Pointer = NULL; 961 buf->Length = ACPI_ALLOCATE_BUFFER; 962 963 return (*getit)(handle, buf); 964 } 965 966 967 /* 968 * acpi_match_hid 969 * 970 * Match given ids against _HID and _CIDs 971 */ 972 int 973 acpi_match_hid(ACPI_DEVICE_INFO *ad, const char * const *ids) 974 { 975 int i; 976 977 while (*ids) { 978 if (ad->Valid & ACPI_VALID_HID) { 979 if (pmatch(ad->HardwareId.Value, *ids, NULL) == 2) 980 return 1; 981 } 982 983 if (ad->Valid & ACPI_VALID_CID) { 984 for (i = 0; i < ad->CompatibilityId.Count; i++) { 985 if (pmatch(ad->CompatibilityId.Id[i].Value, *ids, NULL) == 2) 986 return 1; 987 } 988 } 989 ids++; 990 } 991 992 return 0; 993 } 994 995 /* 996 * acpi_set_wake_gpe 997 * 998 * Set GPE as both Runtime and Wake 999 */ 1000 void 1001 acpi_set_wake_gpe(ACPI_HANDLE handle) 1002 { 1003 ACPI_BUFFER buf; 1004 ACPI_STATUS rv; 1005 ACPI_OBJECT *p, *elt; 1006 1007 rv = acpi_eval_struct(handle, METHOD_NAME__PRW, &buf); 1008 if (ACPI_FAILURE(rv)) 1009 return; /* just ignore */ 1010 1011 p = buf.Pointer; 1012 if (p->Type != ACPI_TYPE_PACKAGE || p->Package.Count < 2) 1013 goto out; /* just ignore */ 1014 1015 elt = p->Package.Elements; 1016 1017 /* TBD: package support */ 1018 AcpiSetGpeType(NULL, elt[0].Integer.Value, ACPI_GPE_TYPE_WAKE_RUN); 1019 AcpiEnableGpe(NULL, elt[0].Integer.Value, ACPI_NOT_ISR); 1020 1021 out: 1022 AcpiOsFree(buf.Pointer); 1023 } 1024 1025 1026 /***************************************************************************** 1027 * ACPI sleep support. 1028 *****************************************************************************/ 1029 1030 static int 1031 is_available_state(struct acpi_softc *sc, int state) 1032 { 1033 UINT8 type_a, type_b; 1034 1035 return ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state, 1036 &type_a, &type_b)); 1037 } 1038 1039 /* 1040 * acpi_enter_sleep_state: 1041 * 1042 * enter to the specified sleep state. 1043 */ 1044 1045 ACPI_STATUS 1046 acpi_enter_sleep_state(struct acpi_softc *sc, int state) 1047 { 1048 int s; 1049 ACPI_STATUS ret = AE_OK; 1050 1051 switch (state) { 1052 case ACPI_STATE_S0: 1053 break; 1054 case ACPI_STATE_S1: 1055 case ACPI_STATE_S2: 1056 case ACPI_STATE_S3: 1057 case ACPI_STATE_S4: 1058 if (!is_available_state(sc, state)) { 1059 printf("acpi: cannot enter the sleep state (%d).\n", 1060 state); 1061 break; 1062 } 1063 ret = AcpiEnterSleepStatePrep(state); 1064 if (ACPI_FAILURE(ret)) { 1065 printf("acpi: failed preparing to sleep (%s)\n", 1066 AcpiFormatException(ret)); 1067 break; 1068 } 1069 if (state==ACPI_STATE_S1) { 1070 /* just enter the state */ 1071 acpi_md_OsDisableInterrupt(); 1072 AcpiEnterSleepState((UINT8)state); 1073 AcpiUtReleaseMutex(ACPI_MTX_HARDWARE); 1074 } else { 1075 /* XXX: powerhooks(9) framework is too poor to 1076 * support ACPI sleep state... 1077 */ 1078 dopowerhooks(PWR_SOFTSUSPEND); 1079 s = splhigh(); 1080 dopowerhooks(PWR_SUSPEND); 1081 acpi_md_sleep(state); 1082 dopowerhooks(PWR_RESUME); 1083 splx(s); 1084 dopowerhooks(PWR_SOFTRESUME); 1085 if (state==ACPI_STATE_S4) 1086 AcpiEnable(); 1087 } 1088 AcpiLeaveSleepState((UINT8)state); 1089 break; 1090 case ACPI_STATE_S5: 1091 ret = AcpiEnterSleepStatePrep(ACPI_STATE_S5); 1092 if (ACPI_FAILURE(ret)) { 1093 printf("acpi: failed preparing to sleep (%s)\n", 1094 AcpiFormatException(ret)); 1095 break; 1096 } 1097 acpi_md_OsDisableInterrupt(); 1098 AcpiEnterSleepState(ACPI_STATE_S5); 1099 printf("WARNING: powerdown failed!\n"); 1100 break; 1101 } 1102 1103 return ret; 1104 } 1105 1106 #ifdef PCI_INTR_FIXUP 1107 ACPI_STATUS acpi_pci_fixup_bus(ACPI_HANDLE, UINT32, void *, void **); 1108 /* 1109 * acpi_pci_fixup: 1110 * 1111 * Set up PCI devices that BIOS didn't handle right. 1112 * Iterate through all devices and try to get the _PTR 1113 * (PCI Routing Table). If it exists then make sure all 1114 * interrupt links that it uses are working. 1115 */ 1116 void 1117 acpi_pci_fixup(struct acpi_softc *sc) 1118 { 1119 ACPI_HANDLE parent; 1120 ACPI_STATUS rv; 1121 1122 #ifdef ACPI_DEBUG 1123 printf("acpi_pci_fixup starts:\n"); 1124 #endif 1125 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent); 1126 if (ACPI_FAILURE(rv)) 1127 return; 1128 sc->sc_pci_bus = 0; 1129 AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100, 1130 acpi_pci_fixup_bus, sc, NULL); 1131 } 1132 1133 static uint 1134 acpi_get_intr(ACPI_HANDLE handle) 1135 { 1136 ACPI_BUFFER ret; 1137 ACPI_STATUS rv; 1138 ACPI_RESOURCE *res; 1139 ACPI_RESOURCE_IRQ *irq; 1140 uint intr; 1141 1142 intr = -1; 1143 rv = acpi_get(handle, &ret, AcpiGetCurrentResources); 1144 if (ACPI_FAILURE(rv)) 1145 return intr; 1146 for (res = ret.Pointer; res->Id != ACPI_RSTYPE_END_TAG; 1147 res = ACPI_NEXT_RESOURCE(res)) { 1148 if (res->Id == ACPI_RSTYPE_IRQ) { 1149 irq = (ACPI_RESOURCE_IRQ *)&res->Data; 1150 if (irq->NumberOfInterrupts == 1) 1151 intr = irq->Interrupts[0]; 1152 break; 1153 } 1154 } 1155 AcpiOsFree(ret.Pointer); 1156 return intr; 1157 } 1158 1159 static void 1160 acpi_pci_set_line(int bus, int dev, int pin, int line) 1161 { 1162 ACPI_STATUS err; 1163 ACPI_PCI_ID pid; 1164 UINT32 intr, id, bhlc; 1165 int func, nfunc; 1166 1167 pid.Bus = bus; 1168 pid.Device = dev; 1169 pid.Function = 0; 1170 1171 err = AcpiOsReadPciConfiguration(&pid, PCI_BHLC_REG, &bhlc, 32); 1172 if (err) 1173 return; 1174 if (PCI_HDRTYPE_MULTIFN(bhlc)) 1175 nfunc = 8; 1176 else 1177 nfunc = 1; 1178 1179 for (func = 0; func < nfunc; func++) { 1180 pid.Function = func; 1181 1182 err = AcpiOsReadPciConfiguration(&pid, PCI_ID_REG, &id, 32); 1183 if (err || PCI_VENDOR(id) == PCI_VENDOR_INVALID || 1184 PCI_VENDOR(id) == 0) 1185 continue; 1186 1187 err = AcpiOsReadPciConfiguration(&pid, PCI_INTERRUPT_REG, 1188 &intr, 32); 1189 if (err) { 1190 printf("AcpiOsReadPciConfiguration failed %d\n", err); 1191 return; 1192 } 1193 if (pin == PCI_INTERRUPT_PIN(intr) && 1194 line != PCI_INTERRUPT_LINE(intr)) { 1195 #ifdef ACPI_DEBUG 1196 printf("acpi fixup pci intr: %d:%d:%d %c: %d -> %d\n", 1197 bus, dev, func, 1198 pin + '@', PCI_INTERRUPT_LINE(intr), 1199 line); 1200 #endif 1201 intr &= ~(PCI_INTERRUPT_LINE_MASK << 1202 PCI_INTERRUPT_LINE_SHIFT); 1203 intr |= line << PCI_INTERRUPT_LINE_SHIFT; 1204 err = AcpiOsWritePciConfiguration(&pid, 1205 PCI_INTERRUPT_REG, intr, 32); 1206 if (err) { 1207 printf("AcpiOsWritePciConfiguration failed" 1208 " %d\n", err); 1209 return; 1210 } 1211 } 1212 } 1213 } 1214 1215 ACPI_STATUS 1216 acpi_pci_fixup_bus(ACPI_HANDLE handle, UINT32 level, void *context, 1217 void **status) 1218 { 1219 struct acpi_softc *sc = context; 1220 ACPI_STATUS rv; 1221 ACPI_BUFFER buf; 1222 UINT8 *Buffer; 1223 ACPI_PCI_ROUTING_TABLE *PrtElement; 1224 ACPI_HANDLE link; 1225 uint line; 1226 ACPI_INTEGER val; 1227 1228 rv = acpi_get(handle, &buf, AcpiGetIrqRoutingTable); 1229 if (ACPI_FAILURE(rv)) 1230 return AE_OK; 1231 1232 /* 1233 * If at level 1, this is a PCI root bus. Try the _BBN method 1234 * to get the right PCI bus numbering for the following 1235 * busses (this is a depth-first walk). It may fail, 1236 * for example if there's only one root bus, but that 1237 * case should be ok, so we'll ignore that. 1238 */ 1239 if (level == 1) { 1240 rv = acpi_eval_integer(handle, METHOD_NAME__BBN, &val); 1241 if (!ACPI_FAILURE(rv)) { 1242 #ifdef ACPI_DEBUG 1243 printf("%s: fixup: _BBN success, bus # was %d now %d\n", 1244 sc->sc_dev.dv_xname, sc->sc_pci_bus, 1245 ACPI_LOWORD(val)); 1246 #endif 1247 sc->sc_pci_bus = ACPI_LOWORD(val); 1248 } 1249 } 1250 1251 1252 #ifdef ACPI_DEBUG 1253 printf("%s: fixing up PCI bus %d at level %u\n", sc->sc_dev.dv_xname, 1254 sc->sc_pci_bus, level); 1255 #endif 1256 1257 for (Buffer = buf.Pointer; ; Buffer += PrtElement->Length) { 1258 PrtElement = (ACPI_PCI_ROUTING_TABLE *)Buffer; 1259 if (PrtElement->Length == 0) 1260 break; 1261 if (PrtElement->Source[0] == 0) 1262 continue; 1263 1264 rv = AcpiGetHandle(NULL, PrtElement->Source, &link); 1265 if (ACPI_FAILURE(rv)) 1266 continue; 1267 line = acpi_get_intr(link); 1268 if (line == (uint)-1 || line == 0) { 1269 printf("%s: fixing up intr link %s\n", 1270 sc->sc_dev.dv_xname, PrtElement->Source); 1271 rv = acpi_allocate_resources(link); 1272 if (ACPI_FAILURE(rv)) { 1273 printf("%s: interrupt allocation failed %s\n", 1274 sc->sc_dev.dv_xname, PrtElement->Source); 1275 continue; 1276 } 1277 line = acpi_get_intr(link); 1278 if (line == (uint)-1) { 1279 printf("%s: get intr failed %s\n", 1280 sc->sc_dev.dv_xname, PrtElement->Source); 1281 continue; 1282 } 1283 } 1284 1285 acpi_pci_set_line(sc->sc_pci_bus, PrtElement->Address >> 16, 1286 PrtElement->Pin + 1, line); 1287 } 1288 1289 sc->sc_pci_bus++; 1290 1291 AcpiOsFree(buf.Pointer); 1292 return AE_OK; 1293 } 1294 #endif /* PCI_INTR_FIXUP */ 1295 1296 #if defined(PCI_INTR_FIXUP) || defined(ACPI_ACTIVATE_DEV) 1297 /* XXX This very incomplete */ 1298 static ACPI_STATUS 1299 acpi_allocate_resources(ACPI_HANDLE handle) 1300 { 1301 ACPI_BUFFER bufp, bufc, bufn; 1302 ACPI_RESOURCE *resp, *resc, *resn; 1303 ACPI_RESOURCE_IRQ *irq; 1304 ACPI_STATUS rv; 1305 uint delta; 1306 1307 rv = acpi_get(handle, &bufp, AcpiGetPossibleResources); 1308 if (ACPI_FAILURE(rv)) 1309 goto out; 1310 rv = acpi_get(handle, &bufc, AcpiGetCurrentResources); 1311 if (ACPI_FAILURE(rv)) { 1312 goto out1; 1313 } 1314 1315 bufn.Length = 1000; 1316 bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK); 1317 resp = bufp.Pointer; 1318 resc = bufc.Pointer; 1319 while (resc->Id != ACPI_RSTYPE_END_TAG && 1320 resp->Id != ACPI_RSTYPE_END_TAG) { 1321 while (resc->Id != resp->Id && resp->Id != ACPI_RSTYPE_END_TAG) 1322 resp = ACPI_NEXT_RESOURCE(resp); 1323 if (resp->Id == ACPI_RSTYPE_END_TAG) 1324 break; 1325 /* Found identical Id */ 1326 resn->Id = resc->Id; 1327 switch (resc->Id) { 1328 case ACPI_RSTYPE_IRQ: 1329 memcpy(&resn->Data, &resp->Data, 1330 sizeof(ACPI_RESOURCE_IRQ)); 1331 irq = (ACPI_RESOURCE_IRQ *)&resn->Data; 1332 irq->Interrupts[0] = 1333 ((ACPI_RESOURCE_IRQ *)&resp->Data)-> 1334 Interrupts[irq->NumberOfInterrupts-1]; 1335 irq->NumberOfInterrupts = 1; 1336 resn->Length = ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_IRQ); 1337 break; 1338 case ACPI_RSTYPE_IO: 1339 memcpy(&resn->Data, &resp->Data, 1340 sizeof(ACPI_RESOURCE_IO)); 1341 resn->Length = resp->Length; 1342 break; 1343 default: 1344 printf("acpi_allocate_resources: res=%d\n", resc->Id); 1345 rv = AE_BAD_DATA; 1346 goto out2; 1347 } 1348 resc = ACPI_NEXT_RESOURCE(resc); 1349 resn = ACPI_NEXT_RESOURCE(resn); 1350 delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer; 1351 if (delta >= 1352 bufn.Length-ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_DATA)) { 1353 bufn.Length *= 2; 1354 bufn.Pointer = realloc(bufn.Pointer, bufn.Length, 1355 M_ACPI, M_WAITOK); 1356 resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta); 1357 } 1358 } 1359 if (resc->Id != ACPI_RSTYPE_END_TAG) { 1360 printf("acpi_allocate_resources: resc not exhausted\n"); 1361 rv = AE_BAD_DATA; 1362 goto out3; 1363 } 1364 1365 resn->Id = ACPI_RSTYPE_END_TAG; 1366 rv = AcpiSetCurrentResources(handle, &bufn); 1367 if (ACPI_FAILURE(rv)) { 1368 printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n", 1369 AcpiFormatException(rv)); 1370 } 1371 1372 out3: 1373 free(bufn.Pointer, M_ACPI); 1374 out2: 1375 AcpiOsFree(bufc.Pointer); 1376 out1: 1377 AcpiOsFree(bufp.Pointer); 1378 out: 1379 return rv; 1380 } 1381 #endif /* PCI_INTR_FIXUP || ACPI_ACTIVATE_DEV */ 1382 1383 SYSCTL_SETUP(sysctl_acpi_setup, "sysctl hw.acpi subtree setup") 1384 { 1385 const struct sysctlnode *node; 1386 1387 if (sysctl_createv(clog, 0, NULL, NULL, 1388 CTLFLAG_PERMANENT, 1389 CTLTYPE_NODE, "hw", NULL, 1390 NULL, 0, NULL, 0, 1391 CTL_HW, CTL_EOL) != 0) 1392 return; 1393 1394 if (sysctl_createv(clog, 0, NULL, &node, 1395 CTLFLAG_PERMANENT, 1396 CTLTYPE_NODE, "acpi", NULL, 1397 NULL, 0, NULL, 0, 1398 CTL_HW, CTL_CREATE, CTL_EOL) != 0) 1399 return; 1400 1401 acpi_node = node->sysctl_num; 1402 } 1403