1 /* $NetBSD: acpi.c,v 1.85 2006/02/26 18:46:04 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 1.85 2006/02/26 18:46:04 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 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 aprint_naive(": Advanced Configuration and Power Interface\n"); 286 aprint_normal(": Advanced Configuration and Power Interface\n"); 287 288 if (acpi_softc != NULL) 289 panic("acpi_attach: ACPI has already been attached"); 290 291 sysmon_power_settype("acpi"); 292 293 aprint_verbose("%s: using Intel ACPI CA subsystem version %08x\n", 294 sc->sc_dev.dv_xname, ACPI_CA_VERSION); 295 296 aprint_verbose("%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 aprint_error("%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 aprint_error("%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 aprint_verbose("%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 aprint_error("%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 /* nothing */ 403 } 404 405 #if 0 406 /* 407 * acpi_disable: 408 * 409 * Disable ACPI. 410 */ 411 static ACPI_STATUS 412 acpi_disable(struct acpi_softc *sc) 413 { 414 ACPI_STATUS rv = AE_OK; 415 416 if (acpi_active) { 417 rv = AcpiDisable(); 418 if (ACPI_SUCCESS(rv)) 419 acpi_active = 0; 420 } 421 return rv; 422 } 423 #endif 424 425 struct acpi_make_devnode_state { 426 struct acpi_softc *softc; 427 struct acpi_scope *scope; 428 }; 429 430 /* 431 * acpi_build_tree: 432 * 433 * Scan relevant portions of the ACPI namespace and attach 434 * child devices. 435 */ 436 static void 437 acpi_build_tree(struct acpi_softc *sc) 438 { 439 static const char *scopes[] = { 440 "\\_PR_", /* ACPI 1.0 processor namespace */ 441 "\\_SB_", /* system bus namespace */ 442 "\\_SI_", /* system idicator namespace */ 443 "\\_TZ_", /* ACPI 1.0 thermal zone namespace */ 444 NULL, 445 }; 446 struct acpi_attach_args aa; 447 struct acpi_make_devnode_state state; 448 struct acpi_scope *as; 449 struct acpi_devnode *ad; 450 ACPI_HANDLE parent; 451 ACPI_STATUS rv; 452 int i; 453 454 TAILQ_INIT(&sc->sc_scopes); 455 456 state.softc = sc; 457 458 /* 459 * Scan the namespace and build our tree. 460 */ 461 for (i = 0; scopes[i] != NULL; i++) { 462 as = malloc(sizeof(*as), M_ACPI, M_WAITOK); 463 as->as_name = scopes[i]; 464 TAILQ_INIT(&as->as_devnodes); 465 466 TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list); 467 468 state.scope = as; 469 470 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], 471 &parent); 472 if (ACPI_SUCCESS(rv)) { 473 AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, 474 acpi_make_devnode, &state, NULL); 475 } 476 477 /* Now, for this namespace, try and attach the devices. */ 478 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 479 aa.aa_node = ad; 480 aa.aa_iot = sc->sc_iot; 481 aa.aa_memt = sc->sc_memt; 482 aa.aa_pc = sc->sc_pc; 483 aa.aa_pciflags = sc->sc_pciflags; 484 aa.aa_ic = sc->sc_ic; 485 486 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE) { 487 /* 488 * XXX We only attach devices which are: 489 * 490 * - present 491 * - enabled 492 * - functioning properly 493 * 494 * However, if enabled, it's decoding resources, 495 * so we should claim them, if possible. 496 * Requires changes to bus_space(9). 497 */ 498 if ((ad->ad_devinfo->Valid & ACPI_VALID_STA) == 499 ACPI_VALID_STA && 500 (ad->ad_devinfo->CurrentStatus & 501 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 502 ACPI_STA_DEV_OK)) != 503 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 504 ACPI_STA_DEV_OK)) 505 continue; 506 507 /* 508 * XXX Same problem as above... 509 */ 510 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) 511 == 0) 512 continue; 513 } 514 515 ad->ad_device = config_found(&sc->sc_dev, 516 &aa, acpi_print); 517 } 518 } 519 } 520 521 #ifdef ACPI_ACTIVATE_DEV 522 static void 523 acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO **di) 524 { 525 ACPI_STATUS rv; 526 ACPI_BUFFER buf; 527 528 buf.Pointer = NULL; 529 buf.Length = ACPI_ALLOCATE_BUFFER; 530 531 #ifdef ACPI_DEBUG 532 aprint_normal("acpi_activate_device: %s, old status=%x\n", 533 (*di)->HardwareId.Value, (*di)->CurrentStatus); 534 #endif 535 536 rv = acpi_allocate_resources(handle); 537 if (ACPI_FAILURE(rv)) { 538 aprint_error("acpi: activate failed for %s\n", 539 (*di)->HardwareId.Value); 540 } else { 541 aprint_normal("acpi: activated %s\n", (*di)->HardwareId.Value); 542 } 543 544 (void)AcpiGetObjectInfo(handle, &buf); 545 AcpiOsFree(*di); 546 *di = buf.Pointer; 547 548 #ifdef ACPI_DEBUG 549 aprint_normal("acpi_activate_device: %s, new status=%x\n", 550 (*di)->HardwareId.Value, (*di)->CurrentStatus); 551 #endif 552 } 553 #endif /* ACPI_ACTIVATE_DEV */ 554 555 /* 556 * acpi_make_devnode: 557 * 558 * Make an ACPI devnode. 559 */ 560 static ACPI_STATUS 561 acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context, 562 void **status) 563 { 564 struct acpi_make_devnode_state *state = context; 565 #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG) 566 struct acpi_softc *sc = state->softc; 567 #endif 568 struct acpi_scope *as = state->scope; 569 struct acpi_devnode *ad; 570 ACPI_OBJECT_TYPE type; 571 ACPI_BUFFER buf; 572 ACPI_DEVICE_INFO *devinfo; 573 ACPI_STATUS rv; 574 575 rv = AcpiGetType(handle, &type); 576 if (ACPI_SUCCESS(rv)) { 577 buf.Pointer = NULL; 578 buf.Length = ACPI_ALLOCATE_BUFFER; 579 rv = AcpiGetObjectInfo(handle, &buf); 580 if (ACPI_FAILURE(rv)) { 581 #ifdef ACPI_DEBUG 582 aprint_normal("%s: AcpiGetObjectInfo failed: %s\n", 583 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 584 #endif 585 goto out; /* XXX why return OK */ 586 } 587 588 devinfo = buf.Pointer; 589 590 switch (type) { 591 case ACPI_TYPE_DEVICE: 592 #ifdef ACPI_ACTIVATE_DEV 593 if ((devinfo->Valid & (ACPI_VALID_STA|ACPI_VALID_HID)) == 594 (ACPI_VALID_STA|ACPI_VALID_HID) && 595 (devinfo->CurrentStatus & 596 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) == 597 ACPI_STA_DEV_PRESENT) 598 acpi_activate_device(handle, &devinfo); 599 600 /* FALLTHROUGH */ 601 #endif 602 603 case ACPI_TYPE_PROCESSOR: 604 case ACPI_TYPE_THERMAL: 605 case ACPI_TYPE_POWER: 606 ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO); 607 if (ad == NULL) 608 return AE_NO_MEMORY; 609 610 ad->ad_devinfo = devinfo; 611 ad->ad_handle = handle; 612 ad->ad_level = level; 613 ad->ad_scope = as; 614 ad->ad_type = type; 615 616 TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list); 617 618 if ((ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 619 goto out; 620 621 #ifdef ACPI_EXTRA_DEBUG 622 aprint_normal("%s: HID %s found in scope %s level %d\n", 623 sc->sc_dev.dv_xname, 624 ad->ad_devinfo->HardwareId.Value, 625 as->as_name, ad->ad_level); 626 if (ad->ad_devinfo->Valid & ACPI_VALID_UID) 627 aprint_normal(" UID %s\n", 628 ad->ad_devinfo->UniqueId.Value); 629 if (ad->ad_devinfo->Valid & ACPI_VALID_ADR) 630 aprint_normal(" ADR 0x%016qx\n", 631 ad->ad_devinfo->Address); 632 if (ad->ad_devinfo->Valid & ACPI_VALID_STA) 633 aprint_normal(" STA 0x%08x\n", 634 ad->ad_devinfo->CurrentStatus); 635 #endif 636 } 637 } 638 out: 639 return AE_OK; 640 } 641 642 /* 643 * acpi_print: 644 * 645 * Autoconfiguration print routine. 646 */ 647 static int 648 acpi_print(void *aux, const char *pnp) 649 { 650 struct acpi_attach_args *aa = aux; 651 ACPI_STATUS rv; 652 653 if (pnp) { 654 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 655 char *pnpstr = 656 aa->aa_node->ad_devinfo->HardwareId.Value; 657 char *str; 658 659 aprint_normal("%s ", pnpstr); 660 rv = acpi_eval_string(aa->aa_node->ad_handle, 661 "_STR", &str); 662 if (ACPI_SUCCESS(rv)) { 663 aprint_normal("[%s] ", str); 664 AcpiOsFree(str); 665 } 666 #ifdef ACPIVERBOSE 667 else { 668 int i; 669 670 for (i = 0; i < sizeof(acpi_knowndevs) / 671 sizeof(acpi_knowndevs[0]); i++) { 672 if (strcmp(acpi_knowndevs[i].pnp, 673 pnpstr) == 0) { 674 aprint_normal("[%s] ", 675 acpi_knowndevs[i].str); 676 } 677 } 678 } 679 680 #endif 681 } else { 682 aprint_normal("ACPI Object Type '%s' (0x%02x) ", 683 AcpiUtGetTypeName(aa->aa_node->ad_devinfo->Type), 684 aa->aa_node->ad_devinfo->Type); 685 } 686 aprint_normal("at %s", pnp); 687 } else { 688 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 689 aprint_normal(" (%s", aa->aa_node->ad_devinfo->HardwareId.Value); 690 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_UID) { 691 const char *uid; 692 693 uid = aa->aa_node->ad_devinfo->UniqueId.Value; 694 if (uid[0] == '\0') 695 uid = "<null>"; 696 aprint_normal("-%s", uid); 697 } 698 aprint_normal(")"); 699 } 700 } 701 702 return UNCONF; 703 } 704 705 /***************************************************************************** 706 * ACPI fixed-hardware feature handlers 707 *****************************************************************************/ 708 709 static UINT32 acpi_fixed_button_handler(void *); 710 static void acpi_fixed_button_pressed(void *); 711 712 /* 713 * acpi_enable_fixed_events: 714 * 715 * Enable any fixed-hardware feature handlers. 716 */ 717 static void 718 acpi_enable_fixed_events(struct acpi_softc *sc) 719 { 720 static int beenhere; 721 ACPI_STATUS rv; 722 723 KASSERT(beenhere == 0); 724 beenhere = 1; 725 726 /* 727 * Check for fixed-hardware buttons. 728 */ 729 730 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->PwrButton == 0) { 731 aprint_normal("%s: fixed-feature power button present\n", 732 sc->sc_dev.dv_xname); 733 sc->sc_smpsw_power.smpsw_name = sc->sc_dev.dv_xname; 734 sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER; 735 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 736 aprint_error("%s: unable to register fixed power " 737 "button with sysmon\n", sc->sc_dev.dv_xname); 738 } else { 739 rv = AcpiInstallFixedEventHandler( 740 ACPI_EVENT_POWER_BUTTON, 741 acpi_fixed_button_handler, &sc->sc_smpsw_power); 742 if (ACPI_FAILURE(rv)) { 743 aprint_error("%s: unable to install handler " 744 "for fixed power button: %s\n", 745 sc->sc_dev.dv_xname, 746 AcpiFormatException(rv)); 747 } 748 } 749 } 750 751 if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->SleepButton == 0) { 752 aprint_normal("%s: fixed-feature sleep button present\n", 753 sc->sc_dev.dv_xname); 754 sc->sc_smpsw_sleep.smpsw_name = sc->sc_dev.dv_xname; 755 sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP; 756 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 757 aprint_error("%s: unable to register fixed sleep " 758 "button with sysmon\n", sc->sc_dev.dv_xname); 759 } else { 760 rv = AcpiInstallFixedEventHandler( 761 ACPI_EVENT_SLEEP_BUTTON, 762 acpi_fixed_button_handler, &sc->sc_smpsw_sleep); 763 if (ACPI_FAILURE(rv)) { 764 aprint_error("%s: unable to install handler " 765 "for fixed sleep button: %s\n", 766 sc->sc_dev.dv_xname, 767 AcpiFormatException(rv)); 768 } 769 } 770 } 771 } 772 773 /* 774 * acpi_fixed_button_handler: 775 * 776 * Event handler for the fixed buttons. 777 */ 778 static UINT32 779 acpi_fixed_button_handler(void *context) 780 { 781 struct sysmon_pswitch *smpsw = context; 782 int rv; 783 784 #ifdef ACPI_BUT_DEBUG 785 printf("%s: fixed button handler\n", smpsw->smpsw_name); 786 #endif 787 788 rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO, 789 acpi_fixed_button_pressed, smpsw); 790 if (ACPI_FAILURE(rv)) 791 printf("%s: WARNING: unable to queue fixed button pressed " 792 "callback: %s\n", smpsw->smpsw_name, 793 AcpiFormatException(rv)); 794 795 return ACPI_INTERRUPT_HANDLED; 796 } 797 798 /* 799 * acpi_fixed_button_pressed: 800 * 801 * Deal with a fixed button being pressed. 802 */ 803 static void 804 acpi_fixed_button_pressed(void *context) 805 { 806 struct sysmon_pswitch *smpsw = context; 807 808 #ifdef ACPI_BUT_DEBUG 809 printf("%s: fixed button pressed, calling sysmon\n", 810 smpsw->smpsw_name); 811 #endif 812 813 sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED); 814 } 815 816 /***************************************************************************** 817 * ACPI utility routines. 818 *****************************************************************************/ 819 820 /* 821 * acpi_eval_integer: 822 * 823 * Evaluate an integer object. 824 */ 825 ACPI_STATUS 826 acpi_eval_integer(ACPI_HANDLE handle, const char *path, ACPI_INTEGER *valp) 827 { 828 ACPI_STATUS rv; 829 ACPI_BUFFER buf; 830 ACPI_OBJECT param; 831 832 if (handle == NULL) 833 handle = ACPI_ROOT_OBJECT; 834 835 buf.Pointer = ¶m; 836 buf.Length = sizeof(param); 837 838 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_INTEGER); 839 if (ACPI_SUCCESS(rv)) 840 *valp = param.Integer.Value; 841 842 return rv; 843 } 844 845 /* 846 * acpi_eval_string: 847 * 848 * Evaluate a (Unicode) string object. 849 */ 850 ACPI_STATUS 851 acpi_eval_string(ACPI_HANDLE handle, const char *path, char **stringp) 852 { 853 ACPI_STATUS rv; 854 ACPI_BUFFER buf; 855 856 if (handle == NULL) 857 handle = ACPI_ROOT_OBJECT; 858 859 buf.Pointer = NULL; 860 buf.Length = ACPI_ALLOCATE_BUFFER; 861 862 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_STRING); 863 if (ACPI_SUCCESS(rv)) { 864 ACPI_OBJECT *param = buf.Pointer; 865 const char *ptr = param->String.Pointer; 866 size_t len = param->String.Length; 867 if ((*stringp = AcpiOsAllocate(len)) == NULL) 868 rv = AE_NO_MEMORY; 869 else 870 (void)memcpy(*stringp, ptr, len); 871 AcpiOsFree(param); 872 } 873 874 return rv; 875 } 876 877 878 /* 879 * acpi_eval_struct: 880 * 881 * Evaluate a more complex structure. 882 * Caller must free buf.Pointer by AcpiOsFree(). 883 */ 884 ACPI_STATUS 885 acpi_eval_struct(ACPI_HANDLE handle, const char *path, ACPI_BUFFER *bufp) 886 { 887 ACPI_STATUS rv; 888 889 if (handle == NULL) 890 handle = ACPI_ROOT_OBJECT; 891 892 bufp->Pointer = NULL; 893 bufp->Length = ACPI_ALLOCATE_BUFFER; 894 895 rv = AcpiEvaluateObject(handle, path, NULL, bufp); 896 897 return rv; 898 } 899 900 /* 901 * acpi_foreach_package_object: 902 * 903 * Iterate over all objects in a in a packages and pass then all 904 * to a function. If the called function returns non AE_OK, the 905 * iteration is stopped and that value is returned. 906 */ 907 908 ACPI_STATUS 909 acpi_foreach_package_object(ACPI_OBJECT *pkg, 910 ACPI_STATUS (*func)(ACPI_OBJECT *, void *), 911 void *arg) 912 { 913 ACPI_STATUS rv = AE_OK; 914 int i; 915 916 if (pkg == NULL || pkg->Type != ACPI_TYPE_PACKAGE) 917 return AE_BAD_PARAMETER; 918 919 for (i = 0; i < pkg->Package.Count; i++) { 920 rv = (*func)(&pkg->Package.Elements[i], arg); 921 if (ACPI_FAILURE(rv)) 922 break; 923 } 924 925 return rv; 926 } 927 928 const char * 929 acpi_name(ACPI_HANDLE handle) 930 { 931 static char buffer[80]; 932 ACPI_BUFFER buf; 933 ACPI_STATUS rv; 934 935 buf.Length = sizeof(buffer); 936 buf.Pointer = buffer; 937 938 rv = AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf); 939 if (ACPI_FAILURE(rv)) 940 return "(unknown acpi path)"; 941 return buffer; 942 } 943 944 /* 945 * acpi_get: 946 * 947 * Fetch data info the specified (empty) ACPI buffer. 948 * Caller must free buf.Pointer by AcpiOsFree(). 949 */ 950 ACPI_STATUS 951 acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf, 952 ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *)) 953 { 954 buf->Pointer = NULL; 955 buf->Length = ACPI_ALLOCATE_BUFFER; 956 957 return (*getit)(handle, buf); 958 } 959 960 961 /* 962 * acpi_match_hid 963 * 964 * Match given ids against _HID and _CIDs 965 */ 966 int 967 acpi_match_hid(ACPI_DEVICE_INFO *ad, const char * const *ids) 968 { 969 int i; 970 971 while (*ids) { 972 if (ad->Valid & ACPI_VALID_HID) { 973 if (pmatch(ad->HardwareId.Value, *ids, NULL) == 2) 974 return 1; 975 } 976 977 if (ad->Valid & ACPI_VALID_CID) { 978 for (i = 0; i < ad->CompatibilityId.Count; i++) { 979 if (pmatch(ad->CompatibilityId.Id[i].Value, *ids, NULL) == 2) 980 return 1; 981 } 982 } 983 ids++; 984 } 985 986 return 0; 987 } 988 989 /* 990 * acpi_set_wake_gpe 991 * 992 * Set GPE as both Runtime and Wake 993 */ 994 void 995 acpi_set_wake_gpe(ACPI_HANDLE handle) 996 { 997 ACPI_BUFFER buf; 998 ACPI_STATUS rv; 999 ACPI_OBJECT *p, *elt; 1000 1001 rv = acpi_eval_struct(handle, METHOD_NAME__PRW, &buf); 1002 if (ACPI_FAILURE(rv)) 1003 return; /* just ignore */ 1004 1005 p = buf.Pointer; 1006 if (p->Type != ACPI_TYPE_PACKAGE || p->Package.Count < 2) 1007 goto out; /* just ignore */ 1008 1009 elt = p->Package.Elements; 1010 1011 /* TBD: package support */ 1012 AcpiSetGpeType(NULL, elt[0].Integer.Value, ACPI_GPE_TYPE_WAKE_RUN); 1013 AcpiEnableGpe(NULL, elt[0].Integer.Value, ACPI_NOT_ISR); 1014 1015 out: 1016 AcpiOsFree(buf.Pointer); 1017 } 1018 1019 1020 /***************************************************************************** 1021 * ACPI sleep support. 1022 *****************************************************************************/ 1023 1024 static int 1025 is_available_state(struct acpi_softc *sc, int state) 1026 { 1027 UINT8 type_a, type_b; 1028 1029 return ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state, 1030 &type_a, &type_b)); 1031 } 1032 1033 /* 1034 * acpi_enter_sleep_state: 1035 * 1036 * enter to the specified sleep state. 1037 */ 1038 1039 ACPI_STATUS 1040 acpi_enter_sleep_state(struct acpi_softc *sc, int state) 1041 { 1042 int s; 1043 ACPI_STATUS ret = AE_OK; 1044 1045 switch (state) { 1046 case ACPI_STATE_S0: 1047 break; 1048 case ACPI_STATE_S1: 1049 case ACPI_STATE_S2: 1050 case ACPI_STATE_S3: 1051 case ACPI_STATE_S4: 1052 if (!is_available_state(sc, state)) { 1053 printf("acpi: cannot enter the sleep state (%d).\n", 1054 state); 1055 break; 1056 } 1057 ret = AcpiEnterSleepStatePrep(state); 1058 if (ACPI_FAILURE(ret)) { 1059 printf("acpi: failed preparing to sleep (%s)\n", 1060 AcpiFormatException(ret)); 1061 break; 1062 } 1063 if (state==ACPI_STATE_S1) { 1064 /* just enter the state */ 1065 acpi_md_OsDisableInterrupt(); 1066 AcpiEnterSleepState((UINT8)state); 1067 AcpiUtReleaseMutex(ACPI_MTX_HARDWARE); 1068 } else { 1069 /* XXX: powerhooks(9) framework is too poor to 1070 * support ACPI sleep state... 1071 */ 1072 dopowerhooks(PWR_SOFTSUSPEND); 1073 s = splhigh(); 1074 dopowerhooks(PWR_SUSPEND); 1075 acpi_md_sleep(state); 1076 dopowerhooks(PWR_RESUME); 1077 splx(s); 1078 dopowerhooks(PWR_SOFTRESUME); 1079 if (state==ACPI_STATE_S4) 1080 AcpiEnable(); 1081 } 1082 AcpiLeaveSleepState((UINT8)state); 1083 break; 1084 case ACPI_STATE_S5: 1085 ret = AcpiEnterSleepStatePrep(ACPI_STATE_S5); 1086 if (ACPI_FAILURE(ret)) { 1087 printf("acpi: failed preparing to sleep (%s)\n", 1088 AcpiFormatException(ret)); 1089 break; 1090 } 1091 acpi_md_OsDisableInterrupt(); 1092 AcpiEnterSleepState(ACPI_STATE_S5); 1093 printf("WARNING: powerdown failed!\n"); 1094 break; 1095 } 1096 1097 return ret; 1098 } 1099 1100 #ifdef PCI_INTR_FIXUP 1101 ACPI_STATUS acpi_pci_fixup_bus(ACPI_HANDLE, UINT32, void *, void **); 1102 /* 1103 * acpi_pci_fixup: 1104 * 1105 * Set up PCI devices that BIOS didn't handle right. 1106 * Iterate through all devices and try to get the _PTR 1107 * (PCI Routing Table). If it exists then make sure all 1108 * interrupt links that it uses are working. 1109 */ 1110 void 1111 acpi_pci_fixup(struct acpi_softc *sc) 1112 { 1113 ACPI_HANDLE parent; 1114 ACPI_STATUS rv; 1115 1116 #ifdef ACPI_DEBUG 1117 printf("acpi_pci_fixup starts:\n"); 1118 #endif 1119 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent); 1120 if (ACPI_FAILURE(rv)) 1121 return; 1122 sc->sc_pci_bus = 0; 1123 AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100, 1124 acpi_pci_fixup_bus, sc, NULL); 1125 } 1126 1127 static uint 1128 acpi_get_intr(ACPI_HANDLE handle) 1129 { 1130 ACPI_BUFFER ret; 1131 ACPI_STATUS rv; 1132 ACPI_RESOURCE *res; 1133 ACPI_RESOURCE_IRQ *irq; 1134 uint intr; 1135 1136 intr = -1; 1137 rv = acpi_get(handle, &ret, AcpiGetCurrentResources); 1138 if (ACPI_FAILURE(rv)) 1139 return intr; 1140 for (res = ret.Pointer; res->Type != ACPI_RESOURCE_TYPE_END_TAG; 1141 res = ACPI_NEXT_RESOURCE(res)) { 1142 if (res->Type == ACPI_RESOURCE_TYPE_IRQ) { 1143 irq = (ACPI_RESOURCE_IRQ *)&res->Data; 1144 if (irq->InterruptCount == 1) 1145 intr = irq->Interrupts[0]; 1146 break; 1147 } 1148 } 1149 AcpiOsFree(ret.Pointer); 1150 return intr; 1151 } 1152 1153 static void 1154 acpi_pci_set_line(int bus, int dev, int pin, int line) 1155 { 1156 ACPI_STATUS err; 1157 ACPI_PCI_ID pid; 1158 UINT32 intr, id, bhlc; 1159 int func, nfunc; 1160 1161 pid.Bus = bus; 1162 pid.Device = dev; 1163 pid.Function = 0; 1164 1165 err = AcpiOsReadPciConfiguration(&pid, PCI_BHLC_REG, &bhlc, 32); 1166 if (err) 1167 return; 1168 if (PCI_HDRTYPE_MULTIFN(bhlc)) 1169 nfunc = 8; 1170 else 1171 nfunc = 1; 1172 1173 for (func = 0; func < nfunc; func++) { 1174 pid.Function = func; 1175 1176 err = AcpiOsReadPciConfiguration(&pid, PCI_ID_REG, &id, 32); 1177 if (err || PCI_VENDOR(id) == PCI_VENDOR_INVALID || 1178 PCI_VENDOR(id) == 0) 1179 continue; 1180 1181 err = AcpiOsReadPciConfiguration(&pid, PCI_INTERRUPT_REG, 1182 &intr, 32); 1183 if (err) { 1184 printf("AcpiOsReadPciConfiguration failed %d\n", err); 1185 return; 1186 } 1187 if (pin == PCI_INTERRUPT_PIN(intr) && 1188 line != PCI_INTERRUPT_LINE(intr)) { 1189 #ifdef ACPI_DEBUG 1190 printf("acpi fixup pci intr: %d:%d:%d %c: %d -> %d\n", 1191 bus, dev, func, 1192 pin + '@', PCI_INTERRUPT_LINE(intr), 1193 line); 1194 #endif 1195 intr &= ~(PCI_INTERRUPT_LINE_MASK << 1196 PCI_INTERRUPT_LINE_SHIFT); 1197 intr |= line << PCI_INTERRUPT_LINE_SHIFT; 1198 err = AcpiOsWritePciConfiguration(&pid, 1199 PCI_INTERRUPT_REG, intr, 32); 1200 if (err) { 1201 printf("AcpiOsWritePciConfiguration failed" 1202 " %d\n", err); 1203 return; 1204 } 1205 } 1206 } 1207 } 1208 1209 ACPI_STATUS 1210 acpi_pci_fixup_bus(ACPI_HANDLE handle, UINT32 level, void *context, 1211 void **status) 1212 { 1213 struct acpi_softc *sc = context; 1214 ACPI_STATUS rv; 1215 ACPI_BUFFER buf; 1216 UINT8 *Buffer; 1217 ACPI_PCI_ROUTING_TABLE *PrtElement; 1218 ACPI_HANDLE link; 1219 uint line; 1220 ACPI_INTEGER val; 1221 1222 rv = acpi_get(handle, &buf, AcpiGetIrqRoutingTable); 1223 if (ACPI_FAILURE(rv)) 1224 return AE_OK; 1225 1226 /* 1227 * If at level 1, this is a PCI root bus. Try the _BBN method 1228 * to get the right PCI bus numbering for the following 1229 * busses (this is a depth-first walk). It may fail, 1230 * for example if there's only one root bus, but that 1231 * case should be ok, so we'll ignore that. 1232 */ 1233 if (level == 1) { 1234 rv = acpi_eval_integer(handle, METHOD_NAME__BBN, &val); 1235 if (!ACPI_FAILURE(rv)) { 1236 #ifdef ACPI_DEBUG 1237 printf("%s: fixup: _BBN success, bus # was %d now %d\n", 1238 sc->sc_dev.dv_xname, sc->sc_pci_bus, 1239 ACPI_LOWORD(val)); 1240 #endif 1241 sc->sc_pci_bus = ACPI_LOWORD(val); 1242 } 1243 } 1244 1245 1246 #ifdef ACPI_DEBUG 1247 printf("%s: fixing up PCI bus %d at level %u\n", sc->sc_dev.dv_xname, 1248 sc->sc_pci_bus, level); 1249 #endif 1250 1251 for (Buffer = buf.Pointer; ; Buffer += PrtElement->Length) { 1252 PrtElement = (ACPI_PCI_ROUTING_TABLE *)Buffer; 1253 if (PrtElement->Length == 0) 1254 break; 1255 if (PrtElement->Source[0] == 0) 1256 continue; 1257 1258 rv = AcpiGetHandle(NULL, PrtElement->Source, &link); 1259 if (ACPI_FAILURE(rv)) 1260 continue; 1261 line = acpi_get_intr(link); 1262 if (line == (uint)-1 || line == 0) { 1263 printf("%s: fixing up intr link %s\n", 1264 sc->sc_dev.dv_xname, PrtElement->Source); 1265 rv = acpi_allocate_resources(link); 1266 if (ACPI_FAILURE(rv)) { 1267 printf("%s: interrupt allocation failed %s\n", 1268 sc->sc_dev.dv_xname, PrtElement->Source); 1269 continue; 1270 } 1271 line = acpi_get_intr(link); 1272 if (line == (uint)-1) { 1273 printf("%s: get intr failed %s\n", 1274 sc->sc_dev.dv_xname, PrtElement->Source); 1275 continue; 1276 } 1277 } 1278 1279 acpi_pci_set_line(sc->sc_pci_bus, PrtElement->Address >> 16, 1280 PrtElement->Pin + 1, line); 1281 } 1282 1283 sc->sc_pci_bus++; 1284 1285 AcpiOsFree(buf.Pointer); 1286 return AE_OK; 1287 } 1288 #endif /* PCI_INTR_FIXUP */ 1289 1290 #if defined(PCI_INTR_FIXUP) || defined(ACPI_ACTIVATE_DEV) 1291 /* XXX This very incomplete */ 1292 static ACPI_STATUS 1293 acpi_allocate_resources(ACPI_HANDLE handle) 1294 { 1295 ACPI_BUFFER bufp, bufc, bufn; 1296 ACPI_RESOURCE *resp, *resc, *resn; 1297 ACPI_RESOURCE_IRQ *irq; 1298 ACPI_STATUS rv; 1299 uint delta; 1300 1301 rv = acpi_get(handle, &bufp, AcpiGetPossibleResources); 1302 if (ACPI_FAILURE(rv)) 1303 goto out; 1304 rv = acpi_get(handle, &bufc, AcpiGetCurrentResources); 1305 if (ACPI_FAILURE(rv)) { 1306 goto out1; 1307 } 1308 1309 bufn.Length = 1000; 1310 bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK); 1311 resp = bufp.Pointer; 1312 resc = bufc.Pointer; 1313 while (resc->Type != ACPI_RESOURCE_TYPE_END_TAG && 1314 resp->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1315 while (resc->Type != resp->Type && resp->Type != ACPI_RESOURCE_TYPE_END_TAG) 1316 resp = ACPI_NEXT_RESOURCE(resp); 1317 if (resp->Type == ACPI_RESOURCE_TYPE_END_TAG) 1318 break; 1319 /* Found identical Id */ 1320 resn->Type = resc->Type; 1321 switch (resc->Type) { 1322 case ACPI_RESOURCE_TYPE_IRQ: 1323 memcpy(&resn->Data, &resp->Data, 1324 sizeof(ACPI_RESOURCE_IRQ)); 1325 irq = (ACPI_RESOURCE_IRQ *)&resn->Data; 1326 irq->Interrupts[0] = 1327 ((ACPI_RESOURCE_IRQ *)&resp->Data)-> 1328 Interrupts[irq->InterruptCount-1]; 1329 irq->InterruptCount = 1; 1330 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_IRQ); 1331 break; 1332 case ACPI_RESOURCE_TYPE_IO: 1333 memcpy(&resn->Data, &resp->Data, 1334 sizeof(ACPI_RESOURCE_IO)); 1335 resn->Length = resp->Length; 1336 break; 1337 default: 1338 printf("acpi_allocate_resources: res=%d\n", resc->Type); 1339 rv = AE_BAD_DATA; 1340 goto out2; 1341 } 1342 resc = ACPI_NEXT_RESOURCE(resc); 1343 resn = ACPI_NEXT_RESOURCE(resn); 1344 delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer; 1345 if (delta >= 1346 bufn.Length-ACPI_RS_SIZE(ACPI_RESOURCE_DATA)) { 1347 bufn.Length *= 2; 1348 bufn.Pointer = realloc(bufn.Pointer, bufn.Length, 1349 M_ACPI, M_WAITOK); 1350 resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta); 1351 } 1352 } 1353 if (resc->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1354 printf("acpi_allocate_resources: resc not exhausted\n"); 1355 rv = AE_BAD_DATA; 1356 goto out3; 1357 } 1358 1359 resn->Type = ACPI_RESOURCE_TYPE_END_TAG; 1360 rv = AcpiSetCurrentResources(handle, &bufn); 1361 if (ACPI_FAILURE(rv)) { 1362 printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n", 1363 AcpiFormatException(rv)); 1364 } 1365 1366 out3: 1367 free(bufn.Pointer, M_ACPI); 1368 out2: 1369 AcpiOsFree(bufc.Pointer); 1370 out1: 1371 AcpiOsFree(bufp.Pointer); 1372 out: 1373 return rv; 1374 } 1375 #endif /* PCI_INTR_FIXUP || ACPI_ACTIVATE_DEV */ 1376 1377 SYSCTL_SETUP(sysctl_acpi_setup, "sysctl hw.acpi subtree setup") 1378 { 1379 const struct sysctlnode *node; 1380 1381 if (sysctl_createv(clog, 0, NULL, NULL, 1382 CTLFLAG_PERMANENT, 1383 CTLTYPE_NODE, "hw", NULL, 1384 NULL, 0, NULL, 0, 1385 CTL_HW, CTL_EOL) != 0) 1386 return; 1387 1388 if (sysctl_createv(clog, 0, NULL, &node, 1389 CTLFLAG_PERMANENT, 1390 CTLTYPE_NODE, "acpi", NULL, 1391 NULL, 0, NULL, 0, 1392 CTL_HW, CTL_CREATE, CTL_EOL) != 0) 1393 return; 1394 1395 acpi_node = node->sysctl_num; 1396 } 1397