acpi.c revision 1.110
1 /* $NetBSD: acpi.c,v 1.110 2008/03/09 19:09:00 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2003, 2007 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 1.110 2008/03/09 19:09:00 jmcneill 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/mutex.h> 90 #include <sys/kernel.h> 91 #include <sys/proc.h> 92 #include <sys/sysctl.h> 93 94 #include <dev/acpi/acpica.h> 95 #include <dev/acpi/acpireg.h> 96 #include <dev/acpi/acpivar.h> 97 #include <dev/acpi/acpi_osd.h> 98 #include <dev/acpi/acpi_timer.h> 99 #ifdef ACPIVERBOSE 100 #include <dev/acpi/acpidevs_data.h> 101 #endif 102 103 #if defined(ACPI_PCI_FIXUP) 104 #error The option ACPI_PCI_FIXUP has been obsoleted by PCI_INTR_FIXUP_DISABLED. Please adjust your kernel configuration file. 105 #endif 106 107 #ifdef PCI_INTR_FIXUP_DISABLED 108 #include <dev/pci/pcidevs.h> 109 #endif 110 111 MALLOC_DECLARE(M_ACPI); 112 113 #include <machine/acpi_machdep.h> 114 115 #ifdef ACPI_DEBUGGER 116 #define ACPI_DBGR_INIT 0x01 117 #define ACPI_DBGR_TABLES 0x02 118 #define ACPI_DBGR_ENABLE 0x04 119 #define ACPI_DBGR_PROBE 0x08 120 #define ACPI_DBGR_RUNNING 0x10 121 122 static int acpi_dbgr = 0x00; 123 #endif 124 125 static ACPI_TABLE_DESC acpi_initial_tables[128]; 126 127 static int acpi_match(struct device *, struct cfdata *, void *); 128 static void acpi_attach(struct device *, struct device *, void *); 129 130 static int acpi_print(void *aux, const char *); 131 132 static int sysctl_hw_acpi_sleepstate(SYSCTLFN_ARGS); 133 134 extern struct cfdriver acpi_cd; 135 136 CFATTACH_DECL(acpi, sizeof(struct acpi_softc), 137 acpi_match, acpi_attach, NULL, NULL); 138 139 /* 140 * This is a flag we set when the ACPI subsystem is active. Machine 141 * dependent code may wish to skip other steps (such as attaching 142 * subsystems that ACPI supercedes) when ACPI is active. 143 */ 144 int acpi_active; 145 int acpi_force_load; 146 147 /* 148 * Pointer to the ACPI subsystem's state. There can be only 149 * one ACPI instance. 150 */ 151 struct acpi_softc *acpi_softc; 152 153 /* 154 * Locking stuff. 155 */ 156 static kmutex_t acpi_slock; 157 static int acpi_locked; 158 extern kmutex_t acpi_interrupt_list_mtx; 159 160 /* 161 * sysctl-related information 162 */ 163 164 static uint64_t acpi_root_pointer; /* found as hw.acpi.root */ 165 static int acpi_sleepstate = ACPI_STATE_S0; 166 static char acpi_supported_states[3 * 6 + 1] = "";; 167 168 /* 169 * Prototypes. 170 */ 171 static void acpi_build_tree(struct acpi_softc *); 172 static ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **); 173 174 static void acpi_enable_fixed_events(struct acpi_softc *); 175 176 static ACPI_TABLE_HEADER *acpi_map_rsdt(void); 177 static void acpi_unmap_rsdt(ACPI_TABLE_HEADER *); 178 static int is_available_state(struct acpi_softc *, int); 179 180 /* 181 * acpi_probe: 182 * 183 * Probe for ACPI support. This is called by the 184 * machine-dependent ACPI front-end. All of the 185 * actual work is done by ACPICA. 186 * 187 * NOTE: This is not an autoconfiguration interface function. 188 */ 189 int 190 acpi_probe(void) 191 { 192 static int beenhere; 193 ACPI_TABLE_HEADER *rsdt; 194 ACPI_STATUS rv; 195 196 if (beenhere != 0) 197 panic("acpi_probe: ACPI has already been probed"); 198 beenhere = 1; 199 200 mutex_init(&acpi_slock, MUTEX_DEFAULT, IPL_NONE); 201 mutex_init(&acpi_interrupt_list_mtx, MUTEX_DEFAULT, IPL_NONE); 202 acpi_locked = 0; 203 204 /* 205 * Start up ACPICA. 206 */ 207 #ifdef ACPI_DEBUGGER 208 if (acpi_dbgr & ACPI_DBGR_INIT) 209 acpi_osd_debugger(); 210 #endif 211 212 AcpiGbl_AllMethodsSerialized = FALSE; 213 AcpiGbl_EnableInterpreterSlack = TRUE; 214 215 rv = AcpiInitializeSubsystem(); 216 if (ACPI_FAILURE(rv)) { 217 printf("ACPI: unable to initialize ACPICA: %s\n", 218 AcpiFormatException(rv)); 219 return 0; 220 } 221 222 rv = AcpiInitializeTables(acpi_initial_tables, 128, 0); 223 if (ACPI_FAILURE(rv)) { 224 printf("ACPI: unable to initialize ACPI tables: %s\n", 225 AcpiFormatException(rv)); 226 return 0; 227 } 228 229 rv = AcpiReallocateRootTable(); 230 if (ACPI_FAILURE(rv)) { 231 printf("ACPI: unable to reallocate root table: %s\n", 232 AcpiFormatException(rv)); 233 return 0; 234 } 235 236 #ifdef ACPI_DEBUGGER 237 if (acpi_dbgr & ACPI_DBGR_TABLES) 238 acpi_osd_debugger(); 239 #endif 240 241 rv = AcpiLoadTables(); 242 if (ACPI_FAILURE(rv)) { 243 printf("ACPI: unable to load tables: %s\n", 244 AcpiFormatException(rv)); 245 return 0; 246 } 247 248 rsdt = acpi_map_rsdt(); 249 if (rsdt == NULL) { 250 printf("ACPI: unable to map RSDT\n"); 251 return 0; 252 } 253 254 if (!acpi_force_load && (acpi_find_quirks() & ACPI_QUIRK_BROKEN)) { 255 printf("ACPI: BIOS implementation in listed as broken:\n"); 256 printf("ACPI: X/RSDT: OemId <%6.6s,%8.8s,%08x>, " 257 "AslId <%4.4s,%08x>\n", 258 rsdt->OemId, rsdt->OemTableId, 259 rsdt->OemRevision, 260 rsdt->AslCompilerId, 261 rsdt->AslCompilerRevision); 262 printf("ACPI: not used. set acpi_force_load to use anyway.\n"); 263 acpi_unmap_rsdt(rsdt); 264 return 0; 265 } 266 267 acpi_unmap_rsdt(rsdt); 268 269 #if notyet 270 /* Install the default address space handlers. */ 271 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 272 ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_DEFAULT_HANDLER, NULL, NULL); 273 if (ACPI_FAILURE(rv)) { 274 printf("ACPI: unable to initialise SystemMemory handler: %s\n", 275 AcpiFormatException(rv)); 276 return 0; 277 } 278 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 279 ACPI_ADR_SPACE_SYSTEM_IO, ACPI_DEFAULT_HANDLER, NULL, NULL); 280 if (ACPI_FAILURE(rv)) { 281 printf("ACPI: unable to initialise SystemIO handler: %s\n", 282 AcpiFormatException(rv)); 283 return 0; 284 } 285 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 286 ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); 287 if (ACPI_FAILURE(rv)) { 288 printf("ACPI: unabled to initialise PciConfig handler: %s\n", 289 AcpiFormatException(rv)); 290 return 0; 291 } 292 #endif 293 294 rv = AcpiEnableSubsystem(~(ACPI_NO_HARDWARE_INIT|ACPI_NO_ACPI_ENABLE)); 295 if (ACPI_FAILURE(rv)) { 296 printf("ACPI: unable to enable: %s\n", AcpiFormatException(rv)); 297 return 0; 298 } 299 300 /* 301 * Looks like we have ACPI! 302 */ 303 304 return 1; 305 } 306 307 static int 308 acpi_submatch(device_t parent, cfdata_t cf, const int *locs, void *aux) 309 { 310 struct cfattach *ca; 311 312 ca = config_cfattach_lookup(cf->cf_name, cf->cf_atname); 313 return (ca == &acpi_ca); 314 } 315 316 int 317 acpi_check(device_t parent, const char *ifattr) 318 { 319 return (config_search_ia(acpi_submatch, parent, ifattr, NULL) != NULL); 320 } 321 322 ACPI_PHYSICAL_ADDRESS 323 acpi_OsGetRootPointer(void) 324 { 325 ACPI_PHYSICAL_ADDRESS PhysicalAddress; 326 327 /* 328 * IA-32: Use AcpiFindRootPointer() to locate the RSDP. 329 * 330 * IA-64: Use the EFI. 331 * 332 * We let MD code handle this since there are multiple 333 * ways to do it. 334 */ 335 336 PhysicalAddress = acpi_md_OsGetRootPointer(); 337 338 if (acpi_root_pointer == 0) 339 acpi_root_pointer = PhysicalAddress; 340 341 return PhysicalAddress; 342 } 343 344 /* 345 * acpi_match: 346 * 347 * Autoconfiguration `match' routine. 348 */ 349 static int 350 acpi_match(struct device *parent, struct cfdata *match, 351 void *aux) 352 { 353 /* 354 * XXX Check other locators? Hard to know -- machine 355 * dependent code has already checked for the presence 356 * of ACPI by calling acpi_probe(), so I suppose we 357 * don't really have to do anything else. 358 */ 359 return 1; 360 } 361 362 /* 363 * acpi_attach: 364 * 365 * Autoconfiguration `attach' routine. Finish initializing 366 * ACPICA (some initialization was done in acpi_probe(), 367 * which was required to check for the presence of ACPI), 368 * and enable the ACPI subsystem. 369 */ 370 static void 371 acpi_attach(struct device *parent, struct device *self, void *aux) 372 { 373 struct acpi_softc *sc = (void *) self; 374 struct acpibus_attach_args *aa = aux; 375 ACPI_STATUS rv; 376 ACPI_TABLE_HEADER *rsdt; 377 378 aprint_naive(": Advanced Configuration and Power Interface\n"); 379 aprint_normal(": Advanced Configuration and Power Interface\n"); 380 381 if (acpi_softc != NULL) 382 panic("acpi_attach: ACPI has already been attached"); 383 384 sysmon_power_settype("acpi"); 385 386 aprint_verbose("%s: using Intel ACPI CA subsystem version %08x\n", 387 sc->sc_dev.dv_xname, ACPI_CA_VERSION); 388 389 rsdt = acpi_map_rsdt(); 390 if (rsdt) { 391 aprint_verbose("%s: X/RSDT: OemId <%6.6s,%8.8s,%08x>, AslId <%4.4s,%08x>\n", 392 sc->sc_dev.dv_xname, 393 rsdt->OemId, rsdt->OemTableId, 394 rsdt->OemRevision, 395 rsdt->AslCompilerId, rsdt->AslCompilerRevision); 396 } else 397 aprint_error("%s: X/RSDT: Not found\n", sc->sc_dev.dv_xname); 398 acpi_unmap_rsdt(rsdt); 399 400 sc->sc_quirks = acpi_find_quirks(); 401 402 sc->sc_iot = aa->aa_iot; 403 sc->sc_memt = aa->aa_memt; 404 sc->sc_pc = aa->aa_pc; 405 sc->sc_pciflags = aa->aa_pciflags; 406 sc->sc_ic = aa->aa_ic; 407 408 acpi_softc = sc; 409 410 /* 411 * Register null power management handler 412 */ 413 if (!pmf_device_register(self, NULL, NULL)) 414 aprint_error_dev(self, "couldn't establish power handler\n"); 415 416 /* 417 * Bring ACPI on-line. 418 */ 419 #ifdef ACPI_DEBUGGER 420 if (acpi_dbgr & ACPI_DBGR_ENABLE) 421 acpi_osd_debugger(); 422 #endif 423 424 #define ACPI_ENABLE_PHASE1 \ 425 (ACPI_NO_HANDLER_INIT | ACPI_NO_EVENT_INIT) 426 #define ACPI_ENABLE_PHASE2 \ 427 (ACPI_NO_HARDWARE_INIT | ACPI_NO_ACPI_ENABLE | \ 428 ACPI_NO_ADDRESS_SPACE_INIT) 429 430 rv = AcpiEnableSubsystem(ACPI_ENABLE_PHASE1); 431 if (ACPI_FAILURE(rv)) { 432 aprint_error("%s: unable to enable ACPI: %s\n", 433 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 434 return; 435 } 436 437 acpi_md_callback(); 438 439 rv = AcpiEnableSubsystem(ACPI_ENABLE_PHASE2); 440 if (ACPI_FAILURE(rv)) { 441 aprint_error("%s: unable to enable ACPI: %s\n", 442 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 443 return; 444 } 445 446 /* early EC handler initialization if ECDT table is available */ 447 config_found_ia(&sc->sc_dev, "acpiecdtbus", NULL, NULL); 448 449 rv = AcpiInitializeObjects(ACPI_FULL_INITIALIZATION); 450 if (ACPI_FAILURE(rv)) { 451 aprint_error("%s: unable to initialize ACPI objects: %s\n", 452 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 453 return; 454 } 455 acpi_active = 1; 456 457 /* Our current state is "awake". */ 458 sc->sc_sleepstate = ACPI_STATE_S0; 459 460 /* Show SCI interrupt. */ 461 aprint_verbose("%s: SCI interrupting at int %d\n", 462 sc->sc_dev.dv_xname, AcpiGbl_FADT.SciInterrupt); 463 464 /* 465 * Check for fixed-hardware features. 466 */ 467 acpi_enable_fixed_events(sc); 468 acpitimer_init(); 469 470 /* 471 * Scan the namespace and build our device tree. 472 */ 473 #ifdef ACPI_DEBUGGER 474 if (acpi_dbgr & ACPI_DBGR_PROBE) 475 acpi_osd_debugger(); 476 #endif 477 acpi_build_tree(sc); 478 479 sprintf(acpi_supported_states, "%s%s%s%s%s%s", 480 is_available_state(sc, ACPI_STATE_S0) ? "S0 " : "", 481 is_available_state(sc, ACPI_STATE_S1) ? "S1 " : "", 482 is_available_state(sc, ACPI_STATE_S2) ? "S2 " : "", 483 is_available_state(sc, ACPI_STATE_S3) ? "S3 " : "", 484 is_available_state(sc, ACPI_STATE_S4) ? "S4 " : "", 485 is_available_state(sc, ACPI_STATE_S5) ? "S5 " : ""); 486 487 #ifdef ACPI_DEBUGGER 488 if (acpi_dbgr & ACPI_DBGR_RUNNING) 489 acpi_osd_debugger(); 490 #endif 491 } 492 493 #if 0 494 /* 495 * acpi_disable: 496 * 497 * Disable ACPI. 498 */ 499 static ACPI_STATUS 500 acpi_disable(struct acpi_softc *sc) 501 { 502 ACPI_STATUS rv = AE_OK; 503 504 if (acpi_active) { 505 rv = AcpiDisable(); 506 if (ACPI_SUCCESS(rv)) 507 acpi_active = 0; 508 } 509 return rv; 510 } 511 #endif 512 513 struct acpi_make_devnode_state { 514 struct acpi_softc *softc; 515 struct acpi_scope *scope; 516 }; 517 518 /* 519 * acpi_build_tree: 520 * 521 * Scan relevant portions of the ACPI namespace and attach 522 * child devices. 523 */ 524 static void 525 acpi_build_tree(struct acpi_softc *sc) 526 { 527 static const char *scopes[] = { 528 "\\_PR_", /* ACPI 1.0 processor namespace */ 529 "\\_SB_", /* system bus namespace */ 530 "\\_SI_", /* system indicator namespace */ 531 "\\_TZ_", /* ACPI 1.0 thermal zone namespace */ 532 NULL, 533 }; 534 struct acpi_attach_args aa; 535 struct acpi_make_devnode_state state; 536 struct acpi_scope *as; 537 struct acpi_devnode *ad; 538 ACPI_HANDLE parent; 539 ACPI_STATUS rv; 540 int i; 541 542 TAILQ_INIT(&sc->sc_scopes); 543 544 state.softc = sc; 545 546 /* 547 * Scan the namespace and build our tree. 548 */ 549 for (i = 0; scopes[i] != NULL; i++) { 550 as = malloc(sizeof(*as), M_ACPI, M_WAITOK); 551 as->as_name = scopes[i]; 552 TAILQ_INIT(&as->as_devnodes); 553 554 TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list); 555 556 state.scope = as; 557 558 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], 559 &parent); 560 if (ACPI_SUCCESS(rv)) { 561 AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, 562 acpi_make_devnode, &state, NULL); 563 } 564 565 /* Now, for this namespace, try and attach the devices. */ 566 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 567 aa.aa_node = ad; 568 aa.aa_iot = sc->sc_iot; 569 aa.aa_memt = sc->sc_memt; 570 aa.aa_pc = sc->sc_pc; 571 aa.aa_pciflags = sc->sc_pciflags; 572 aa.aa_ic = sc->sc_ic; 573 574 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE) { 575 /* 576 * XXX We only attach devices which are: 577 * 578 * - present 579 * - enabled 580 * - functioning properly 581 * 582 * However, if enabled, it's decoding resources, 583 * so we should claim them, if possible. 584 * Requires changes to bus_space(9). 585 */ 586 if ((ad->ad_devinfo->Valid & ACPI_VALID_STA) == 587 ACPI_VALID_STA && 588 (ad->ad_devinfo->CurrentStatus & 589 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 590 ACPI_STA_DEV_OK)) != 591 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 592 ACPI_STA_DEV_OK)) 593 continue; 594 } 595 596 /* 597 * XXX Same problem as above... 598 * 599 * Do this check only for devices, as e.g. 600 * a Thermal Zone doesn't have a HID. 601 */ 602 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE && 603 (ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 604 continue; 605 606 ad->ad_device = config_found_ia(&sc->sc_dev, 607 "acpinodebus", &aa, acpi_print); 608 } 609 } 610 config_found_ia(&sc->sc_dev, "acpiapmbus", NULL, NULL); 611 } 612 613 #ifdef ACPI_ACTIVATE_DEV 614 static void 615 acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO **di) 616 { 617 ACPI_STATUS rv; 618 ACPI_BUFFER buf; 619 620 buf.Pointer = NULL; 621 buf.Length = ACPI_ALLOCATE_BUFFER; 622 623 #ifdef ACPI_DEBUG 624 aprint_normal("acpi_activate_device: %s, old status=%x\n", 625 (*di)->HardwareId.Value, (*di)->CurrentStatus); 626 #endif 627 628 rv = acpi_allocate_resources(handle); 629 if (ACPI_FAILURE(rv)) { 630 aprint_error("acpi: activate failed for %s\n", 631 (*di)->HardwareId.Value); 632 } else { 633 aprint_verbose("acpi: activated %s\n", 634 (*di)->HardwareId.Value); 635 } 636 637 (void)AcpiGetObjectInfo(handle, &buf); 638 AcpiOsFree(*di); 639 *di = buf.Pointer; 640 641 #ifdef ACPI_DEBUG 642 aprint_normal("acpi_activate_device: %s, new status=%x\n", 643 (*di)->HardwareId.Value, (*di)->CurrentStatus); 644 #endif 645 } 646 #endif /* ACPI_ACTIVATE_DEV */ 647 648 /* 649 * acpi_make_devnode: 650 * 651 * Make an ACPI devnode. 652 */ 653 static ACPI_STATUS 654 acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context, 655 void **status) 656 { 657 struct acpi_make_devnode_state *state = context; 658 #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG) 659 struct acpi_softc *sc = state->softc; 660 #endif 661 struct acpi_scope *as = state->scope; 662 struct acpi_devnode *ad; 663 ACPI_OBJECT_TYPE type; 664 ACPI_BUFFER buf; 665 ACPI_DEVICE_INFO *devinfo; 666 ACPI_STATUS rv; 667 ACPI_NAME_UNION *anu; 668 int i, clear = 0; 669 670 rv = AcpiGetType(handle, &type); 671 if (ACPI_SUCCESS(rv)) { 672 buf.Pointer = NULL; 673 buf.Length = ACPI_ALLOCATE_BUFFER; 674 rv = AcpiGetObjectInfo(handle, &buf); 675 if (ACPI_FAILURE(rv)) { 676 #ifdef ACPI_DEBUG 677 aprint_normal("%s: AcpiGetObjectInfo failed: %s\n", 678 sc->sc_dev.dv_xname, AcpiFormatException(rv)); 679 #endif 680 goto out; /* XXX why return OK */ 681 } 682 683 devinfo = buf.Pointer; 684 685 switch (type) { 686 case ACPI_TYPE_DEVICE: 687 #ifdef ACPI_ACTIVATE_DEV 688 if ((devinfo->Valid & (ACPI_VALID_STA|ACPI_VALID_HID)) == 689 (ACPI_VALID_STA|ACPI_VALID_HID) && 690 (devinfo->CurrentStatus & 691 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) == 692 ACPI_STA_DEV_PRESENT) 693 acpi_activate_device(handle, &devinfo); 694 695 /* FALLTHROUGH */ 696 #endif 697 698 case ACPI_TYPE_PROCESSOR: 699 case ACPI_TYPE_THERMAL: 700 case ACPI_TYPE_POWER: 701 ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO); 702 if (ad == NULL) 703 return AE_NO_MEMORY; 704 705 ad->ad_devinfo = devinfo; 706 ad->ad_handle = handle; 707 ad->ad_level = level; 708 ad->ad_scope = as; 709 ad->ad_type = type; 710 711 anu = (ACPI_NAME_UNION *)&devinfo->Name; 712 ad->ad_name[4] = '\0'; 713 for (i = 3, clear = 0; i >= 0; i--) { 714 if (!clear && anu->Ascii[i] == '_') 715 ad->ad_name[i] = '\0'; 716 else { 717 ad->ad_name[i] = anu->Ascii[i]; 718 clear = 1; 719 } 720 } 721 if (ad->ad_name[0] == '\0') 722 ad->ad_name[0] = '_'; 723 724 TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list); 725 726 if (type == ACPI_TYPE_DEVICE && 727 (ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 728 goto out; 729 730 #ifdef ACPI_EXTRA_DEBUG 731 aprint_normal("%s: HID %s found in scope %s level %d\n", 732 sc->sc_dev.dv_xname, 733 ad->ad_devinfo->HardwareId.Value, 734 as->as_name, ad->ad_level); 735 if (ad->ad_devinfo->Valid & ACPI_VALID_UID) 736 aprint_normal(" UID %s\n", 737 ad->ad_devinfo->UniqueId.Value); 738 if (ad->ad_devinfo->Valid & ACPI_VALID_ADR) 739 aprint_normal(" ADR 0x%016qx\n", 740 ad->ad_devinfo->Address); 741 if (ad->ad_devinfo->Valid & ACPI_VALID_STA) 742 aprint_normal(" STA 0x%08x\n", 743 ad->ad_devinfo->CurrentStatus); 744 #endif 745 } 746 } 747 out: 748 return AE_OK; 749 } 750 751 /* 752 * acpi_print: 753 * 754 * Autoconfiguration print routine for ACPI node bus. 755 */ 756 static int 757 acpi_print(void *aux, const char *pnp) 758 { 759 struct acpi_attach_args *aa = aux; 760 ACPI_STATUS rv; 761 762 if (pnp) { 763 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 764 char *pnpstr = 765 aa->aa_node->ad_devinfo->HardwareId.Value; 766 char *str; 767 768 aprint_normal("%s (%s) ", aa->aa_node->ad_name, 769 pnpstr); 770 rv = acpi_eval_string(aa->aa_node->ad_handle, 771 "_STR", &str); 772 if (ACPI_SUCCESS(rv)) { 773 aprint_normal("[%s] ", str); 774 AcpiOsFree(str); 775 } 776 #ifdef ACPIVERBOSE 777 else { 778 int i; 779 780 for (i = 0; i < sizeof(acpi_knowndevs) / 781 sizeof(acpi_knowndevs[0]); i++) { 782 if (strcmp(acpi_knowndevs[i].pnp, 783 pnpstr) == 0) { 784 aprint_normal("[%s] ", 785 acpi_knowndevs[i].str); 786 } 787 } 788 } 789 790 #endif 791 aprint_normal("at %s", pnp); 792 } else if (aa->aa_node->ad_devinfo->Type != ACPI_TYPE_DEVICE) { 793 aprint_normal("%s (ACPI Object Type '%s' " 794 "[0x%02x]) ", aa->aa_node->ad_name, 795 AcpiUtGetTypeName(aa->aa_node->ad_devinfo->Type), 796 aa->aa_node->ad_devinfo->Type); 797 aprint_normal("at %s", pnp); 798 } else 799 return 0; 800 } else { 801 aprint_normal(" (%s", aa->aa_node->ad_name); 802 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 803 aprint_normal(", %s", aa->aa_node->ad_devinfo->HardwareId.Value); 804 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_UID) { 805 const char *uid; 806 807 uid = aa->aa_node->ad_devinfo->UniqueId.Value; 808 if (uid[0] == '\0') 809 uid = "<null>"; 810 aprint_normal("-%s", uid); 811 } 812 } 813 aprint_normal(")"); 814 } 815 816 return UNCONF; 817 } 818 819 /***************************************************************************** 820 * ACPI fixed-hardware feature handlers 821 *****************************************************************************/ 822 823 static UINT32 acpi_fixed_button_handler(void *); 824 static void acpi_fixed_button_pressed(void *); 825 826 /* 827 * acpi_enable_fixed_events: 828 * 829 * Enable any fixed-hardware feature handlers. 830 */ 831 static void 832 acpi_enable_fixed_events(struct acpi_softc *sc) 833 { 834 static int beenhere; 835 ACPI_STATUS rv; 836 837 KASSERT(beenhere == 0); 838 beenhere = 1; 839 840 /* 841 * Check for fixed-hardware buttons. 842 */ 843 844 if ((AcpiGbl_FADT.Flags & ACPI_FADT_POWER_BUTTON) == 0) { 845 aprint_verbose("%s: fixed-feature power button present\n", 846 sc->sc_dev.dv_xname); 847 sc->sc_smpsw_power.smpsw_name = sc->sc_dev.dv_xname; 848 sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER; 849 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 850 aprint_error("%s: unable to register fixed power " 851 "button with sysmon\n", sc->sc_dev.dv_xname); 852 } else { 853 rv = AcpiInstallFixedEventHandler( 854 ACPI_EVENT_POWER_BUTTON, 855 acpi_fixed_button_handler, &sc->sc_smpsw_power); 856 if (ACPI_FAILURE(rv)) { 857 aprint_error("%s: unable to install handler " 858 "for fixed power button: %s\n", 859 sc->sc_dev.dv_xname, 860 AcpiFormatException(rv)); 861 } 862 } 863 } 864 865 if ((AcpiGbl_FADT.Flags & ACPI_FADT_SLEEP_BUTTON) == 0) { 866 aprint_verbose("%s: fixed-feature sleep button present\n", 867 sc->sc_dev.dv_xname); 868 sc->sc_smpsw_sleep.smpsw_name = sc->sc_dev.dv_xname; 869 sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP; 870 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 871 aprint_error("%s: unable to register fixed sleep " 872 "button with sysmon\n", sc->sc_dev.dv_xname); 873 } else { 874 rv = AcpiInstallFixedEventHandler( 875 ACPI_EVENT_SLEEP_BUTTON, 876 acpi_fixed_button_handler, &sc->sc_smpsw_sleep); 877 if (ACPI_FAILURE(rv)) { 878 aprint_error("%s: unable to install handler " 879 "for fixed sleep button: %s\n", 880 sc->sc_dev.dv_xname, 881 AcpiFormatException(rv)); 882 } 883 } 884 } 885 } 886 887 /* 888 * acpi_fixed_button_handler: 889 * 890 * Event handler for the fixed buttons. 891 */ 892 static UINT32 893 acpi_fixed_button_handler(void *context) 894 { 895 struct sysmon_pswitch *smpsw = context; 896 int rv; 897 898 #ifdef ACPI_BUT_DEBUG 899 printf("%s: fixed button handler\n", smpsw->smpsw_name); 900 #endif 901 902 rv = AcpiOsExecute(OSL_NOTIFY_HANDLER, 903 acpi_fixed_button_pressed, smpsw); 904 if (ACPI_FAILURE(rv)) 905 printf("%s: WARNING: unable to queue fixed button pressed " 906 "callback: %s\n", smpsw->smpsw_name, 907 AcpiFormatException(rv)); 908 909 return ACPI_INTERRUPT_HANDLED; 910 } 911 912 /* 913 * acpi_fixed_button_pressed: 914 * 915 * Deal with a fixed button being pressed. 916 */ 917 static void 918 acpi_fixed_button_pressed(void *context) 919 { 920 struct sysmon_pswitch *smpsw = context; 921 922 #ifdef ACPI_BUT_DEBUG 923 printf("%s: fixed button pressed, calling sysmon\n", 924 smpsw->smpsw_name); 925 #endif 926 927 sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED); 928 } 929 930 /***************************************************************************** 931 * ACPI utility routines. 932 *****************************************************************************/ 933 934 /* 935 * acpi_eval_integer: 936 * 937 * Evaluate an integer object. 938 */ 939 ACPI_STATUS 940 acpi_eval_integer(ACPI_HANDLE handle, const char *path, ACPI_INTEGER *valp) 941 { 942 ACPI_STATUS rv; 943 ACPI_BUFFER buf; 944 ACPI_OBJECT param; 945 946 if (handle == NULL) 947 handle = ACPI_ROOT_OBJECT; 948 949 buf.Pointer = ¶m; 950 buf.Length = sizeof(param); 951 952 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_INTEGER); 953 if (ACPI_SUCCESS(rv)) 954 *valp = param.Integer.Value; 955 956 return rv; 957 } 958 959 /* 960 * acpi_eval_string: 961 * 962 * Evaluate a (Unicode) string object. 963 */ 964 ACPI_STATUS 965 acpi_eval_string(ACPI_HANDLE handle, const char *path, char **stringp) 966 { 967 ACPI_STATUS rv; 968 ACPI_BUFFER buf; 969 970 if (handle == NULL) 971 handle = ACPI_ROOT_OBJECT; 972 973 buf.Pointer = NULL; 974 buf.Length = ACPI_ALLOCATE_BUFFER; 975 976 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_STRING); 977 if (ACPI_SUCCESS(rv)) { 978 ACPI_OBJECT *param = buf.Pointer; 979 const char *ptr = param->String.Pointer; 980 size_t len = param->String.Length; 981 if ((*stringp = AcpiOsAllocate(len)) == NULL) 982 rv = AE_NO_MEMORY; 983 else 984 (void)memcpy(*stringp, ptr, len); 985 AcpiOsFree(param); 986 } 987 988 return rv; 989 } 990 991 992 /* 993 * acpi_eval_struct: 994 * 995 * Evaluate a more complex structure. 996 * Caller must free buf.Pointer by AcpiOsFree(). 997 */ 998 ACPI_STATUS 999 acpi_eval_struct(ACPI_HANDLE handle, const char *path, ACPI_BUFFER *bufp) 1000 { 1001 ACPI_STATUS rv; 1002 1003 if (handle == NULL) 1004 handle = ACPI_ROOT_OBJECT; 1005 1006 bufp->Pointer = NULL; 1007 bufp->Length = ACPI_ALLOCATE_BUFFER; 1008 1009 rv = AcpiEvaluateObject(handle, path, NULL, bufp); 1010 1011 return rv; 1012 } 1013 1014 /* 1015 * acpi_foreach_package_object: 1016 * 1017 * Iterate over all objects in a in a packages and pass then all 1018 * to a function. If the called function returns non AE_OK, the 1019 * iteration is stopped and that value is returned. 1020 */ 1021 1022 ACPI_STATUS 1023 acpi_foreach_package_object(ACPI_OBJECT *pkg, 1024 ACPI_STATUS (*func)(ACPI_OBJECT *, void *), 1025 void *arg) 1026 { 1027 ACPI_STATUS rv = AE_OK; 1028 int i; 1029 1030 if (pkg == NULL || pkg->Type != ACPI_TYPE_PACKAGE) 1031 return AE_BAD_PARAMETER; 1032 1033 for (i = 0; i < pkg->Package.Count; i++) { 1034 rv = (*func)(&pkg->Package.Elements[i], arg); 1035 if (ACPI_FAILURE(rv)) 1036 break; 1037 } 1038 1039 return rv; 1040 } 1041 1042 const char * 1043 acpi_name(ACPI_HANDLE handle) 1044 { 1045 static char buffer[80]; 1046 ACPI_BUFFER buf; 1047 ACPI_STATUS rv; 1048 1049 buf.Length = sizeof(buffer); 1050 buf.Pointer = buffer; 1051 1052 rv = AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf); 1053 if (ACPI_FAILURE(rv)) 1054 return "(unknown acpi path)"; 1055 return buffer; 1056 } 1057 1058 /* 1059 * acpi_get: 1060 * 1061 * Fetch data info the specified (empty) ACPI buffer. 1062 * Caller must free buf.Pointer by AcpiOsFree(). 1063 */ 1064 ACPI_STATUS 1065 acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf, 1066 ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *)) 1067 { 1068 buf->Pointer = NULL; 1069 buf->Length = ACPI_ALLOCATE_BUFFER; 1070 1071 return (*getit)(handle, buf); 1072 } 1073 1074 1075 /* 1076 * acpi_match_hid 1077 * 1078 * Match given ids against _HID and _CIDs 1079 */ 1080 int 1081 acpi_match_hid(ACPI_DEVICE_INFO *ad, const char * const *ids) 1082 { 1083 int i; 1084 1085 while (*ids) { 1086 if (ad->Valid & ACPI_VALID_HID) { 1087 if (pmatch(ad->HardwareId.Value, *ids, NULL) == 2) 1088 return 1; 1089 } 1090 1091 if (ad->Valid & ACPI_VALID_CID) { 1092 for (i = 0; i < ad->CompatibilityId.Count; i++) { 1093 if (pmatch(ad->CompatibilityId.Id[i].Value, *ids, NULL) == 2) 1094 return 1; 1095 } 1096 } 1097 ids++; 1098 } 1099 1100 return 0; 1101 } 1102 1103 /* 1104 * acpi_set_wake_gpe 1105 * 1106 * Set GPE as both Runtime and Wake 1107 */ 1108 void 1109 acpi_set_wake_gpe(ACPI_HANDLE handle) 1110 { 1111 ACPI_BUFFER buf; 1112 ACPI_STATUS rv; 1113 ACPI_OBJECT *p, *elt; 1114 1115 rv = acpi_eval_struct(handle, METHOD_NAME__PRW, &buf); 1116 if (ACPI_FAILURE(rv)) 1117 return; /* just ignore */ 1118 1119 p = buf.Pointer; 1120 if (p->Type != ACPI_TYPE_PACKAGE || p->Package.Count < 2) 1121 goto out; /* just ignore */ 1122 1123 elt = p->Package.Elements; 1124 1125 /* TBD: package support */ 1126 AcpiSetGpeType(NULL, elt[0].Integer.Value, ACPI_GPE_TYPE_WAKE_RUN); 1127 AcpiEnableGpe(NULL, elt[0].Integer.Value, ACPI_NOT_ISR); 1128 1129 out: 1130 AcpiOsFree(buf.Pointer); 1131 } 1132 1133 1134 /***************************************************************************** 1135 * ACPI sleep support. 1136 *****************************************************************************/ 1137 1138 static int 1139 is_available_state(struct acpi_softc *sc, int state) 1140 { 1141 UINT8 type_a, type_b; 1142 1143 return ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state, 1144 &type_a, &type_b)); 1145 } 1146 1147 /* 1148 * acpi_enter_sleep_state: 1149 * 1150 * enter to the specified sleep state. 1151 */ 1152 1153 ACPI_STATUS 1154 acpi_enter_sleep_state(struct acpi_softc *sc, int state) 1155 { 1156 int err; 1157 ACPI_STATUS ret = AE_OK; 1158 1159 if (state == acpi_sleepstate) 1160 return AE_OK; 1161 1162 aprint_normal("%s: entering state %d\n", sc->sc_dev.dv_xname, state); 1163 1164 switch (state) { 1165 case ACPI_STATE_S0: 1166 break; 1167 case ACPI_STATE_S1: 1168 case ACPI_STATE_S2: 1169 case ACPI_STATE_S3: 1170 case ACPI_STATE_S4: 1171 if (!is_available_state(sc, state)) { 1172 aprint_error("%s: cannot enter the sleep state (%d)\n", 1173 sc->sc_dev.dv_xname, state); 1174 break; 1175 } 1176 1177 if (state != ACPI_STATE_S1 && !pmf_system_suspend()) { 1178 aprint_error_dev(&sc->sc_dev, "aborting suspend\n"); 1179 break; 1180 } 1181 1182 ret = AcpiEnterSleepStatePrep(state); 1183 if (ACPI_FAILURE(ret)) { 1184 aprint_error("%s: failed preparing to sleep (%s)\n", 1185 sc->sc_dev.dv_xname, AcpiFormatException(ret)); 1186 break; 1187 } 1188 1189 acpi_sleepstate = state; 1190 if (state == ACPI_STATE_S1) { 1191 /* just enter the state */ 1192 acpi_md_OsDisableInterrupt(); 1193 AcpiEnterSleepState((UINT8)state); 1194 AcpiLeaveSleepState((UINT8)state); 1195 } else { 1196 err = acpi_md_sleep(state); 1197 if (state == ACPI_STATE_S4) 1198 AcpiEnable(); 1199 pmf_system_bus_resume(); 1200 AcpiLeaveSleepState((UINT8)state); 1201 pmf_system_resume(); 1202 } 1203 1204 break; 1205 case ACPI_STATE_S5: 1206 ret = AcpiEnterSleepStatePrep(ACPI_STATE_S5); 1207 if (ACPI_FAILURE(ret)) { 1208 aprint_error("%s: failed preparing to sleep (%s)\n", 1209 sc->sc_dev.dv_xname, AcpiFormatException(ret)); 1210 break; 1211 } 1212 DELAY(1000000); 1213 acpi_sleepstate = state; 1214 acpi_md_OsDisableInterrupt(); 1215 AcpiEnterSleepState(ACPI_STATE_S5); 1216 aprint_error("%s: WARNING powerdown failed!\n", 1217 sc->sc_dev.dv_xname); 1218 break; 1219 } 1220 1221 acpi_sleepstate = ACPI_STATE_S0; 1222 return ret; 1223 } 1224 1225 #if defined(ACPI_ACTIVATE_DEV) 1226 /* XXX This very incomplete */ 1227 ACPI_STATUS 1228 acpi_allocate_resources(ACPI_HANDLE handle) 1229 { 1230 ACPI_BUFFER bufp, bufc, bufn; 1231 ACPI_RESOURCE *resp, *resc, *resn; 1232 ACPI_RESOURCE_IRQ *irq; 1233 ACPI_RESOURCE_EXTENDED_IRQ *xirq; 1234 ACPI_STATUS rv; 1235 uint delta; 1236 1237 rv = acpi_get(handle, &bufp, AcpiGetPossibleResources); 1238 if (ACPI_FAILURE(rv)) 1239 goto out; 1240 rv = acpi_get(handle, &bufc, AcpiGetCurrentResources); 1241 if (ACPI_FAILURE(rv)) { 1242 goto out1; 1243 } 1244 1245 bufn.Length = 1000; 1246 bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK); 1247 resp = bufp.Pointer; 1248 resc = bufc.Pointer; 1249 while (resc->Type != ACPI_RESOURCE_TYPE_END_TAG && 1250 resp->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1251 while (resc->Type != resp->Type && resp->Type != ACPI_RESOURCE_TYPE_END_TAG) 1252 resp = ACPI_NEXT_RESOURCE(resp); 1253 if (resp->Type == ACPI_RESOURCE_TYPE_END_TAG) 1254 break; 1255 /* Found identical Id */ 1256 resn->Type = resc->Type; 1257 switch (resc->Type) { 1258 case ACPI_RESOURCE_TYPE_IRQ: 1259 memcpy(&resn->Data, &resp->Data, 1260 sizeof(ACPI_RESOURCE_IRQ)); 1261 irq = (ACPI_RESOURCE_IRQ *)&resn->Data; 1262 irq->Interrupts[0] = 1263 ((ACPI_RESOURCE_IRQ *)&resp->Data)-> 1264 Interrupts[irq->InterruptCount-1]; 1265 irq->InterruptCount = 1; 1266 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_IRQ); 1267 break; 1268 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: 1269 memcpy(&resn->Data, &resp->Data, 1270 sizeof(ACPI_RESOURCE_EXTENDED_IRQ)); 1271 xirq = (ACPI_RESOURCE_EXTENDED_IRQ *)&resn->Data; 1272 #if 0 1273 /* 1274 * XXX not duplicating the interrupt logic above 1275 * because its not clear what it accomplishes. 1276 */ 1277 xirq->Interrupts[0] = 1278 ((ACPI_RESOURCE_EXT_IRQ *)&resp->Data)-> 1279 Interrupts[irq->NumberOfInterrupts-1]; 1280 xirq->NumberOfInterrupts = 1; 1281 #endif 1282 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_EXTENDED_IRQ); 1283 break; 1284 case ACPI_RESOURCE_TYPE_IO: 1285 memcpy(&resn->Data, &resp->Data, 1286 sizeof(ACPI_RESOURCE_IO)); 1287 resn->Length = resp->Length; 1288 break; 1289 default: 1290 printf("acpi_allocate_resources: res=%d\n", resc->Type); 1291 rv = AE_BAD_DATA; 1292 goto out2; 1293 } 1294 resc = ACPI_NEXT_RESOURCE(resc); 1295 resn = ACPI_NEXT_RESOURCE(resn); 1296 resp = ACPI_NEXT_RESOURCE(resp); 1297 delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer; 1298 if (delta >= 1299 bufn.Length-ACPI_RS_SIZE(ACPI_RESOURCE_DATA)) { 1300 bufn.Length *= 2; 1301 bufn.Pointer = realloc(bufn.Pointer, bufn.Length, 1302 M_ACPI, M_WAITOK); 1303 resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta); 1304 } 1305 } 1306 if (resc->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1307 printf("acpi_allocate_resources: resc not exhausted\n"); 1308 rv = AE_BAD_DATA; 1309 goto out3; 1310 } 1311 1312 resn->Type = ACPI_RESOURCE_TYPE_END_TAG; 1313 rv = AcpiSetCurrentResources(handle, &bufn); 1314 if (ACPI_FAILURE(rv)) { 1315 printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n", 1316 AcpiFormatException(rv)); 1317 } 1318 1319 out3: 1320 free(bufn.Pointer, M_ACPI); 1321 out2: 1322 AcpiOsFree(bufc.Pointer); 1323 out1: 1324 AcpiOsFree(bufp.Pointer); 1325 out: 1326 return rv; 1327 } 1328 #endif /* ACPI_ACTIVATE_DEV */ 1329 1330 SYSCTL_SETUP(sysctl_acpi_setup, "sysctl hw.acpi subtree setup") 1331 { 1332 const struct sysctlnode *node; 1333 const struct sysctlnode *ssnode; 1334 1335 if (sysctl_createv(clog, 0, NULL, NULL, 1336 CTLFLAG_PERMANENT, 1337 CTLTYPE_NODE, "hw", NULL, 1338 NULL, 0, NULL, 0, 1339 CTL_HW, CTL_EOL) != 0) 1340 return; 1341 1342 if (sysctl_createv(clog, 0, NULL, &node, 1343 CTLFLAG_PERMANENT, 1344 CTLTYPE_NODE, "acpi", NULL, 1345 NULL, 0, NULL, 0, 1346 CTL_HW, CTL_CREATE, CTL_EOL) != 0) 1347 return; 1348 1349 sysctl_createv(NULL, 0, NULL, NULL, CTLFLAG_READONLY, 1350 CTLTYPE_QUAD, "root", 1351 SYSCTL_DESCR("ACPI root pointer"), 1352 NULL, 0, &acpi_root_pointer, sizeof(acpi_root_pointer), 1353 CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL); 1354 sysctl_createv(NULL, 0, NULL, NULL, CTLFLAG_READONLY, 1355 CTLTYPE_STRING, "supported_states", 1356 SYSCTL_DESCR("Supported ACPI system states"), 1357 NULL, 0, acpi_supported_states, 0, 1358 CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL); 1359 1360 /* ACPI sleepstate sysctl */ 1361 if (sysctl_createv(NULL, 0, NULL, &node, 1362 CTLFLAG_PERMANENT, 1363 CTLTYPE_NODE, "machdep", NULL, 1364 NULL, 0, NULL, 0, CTL_MACHDEP, CTL_EOL) != 0) 1365 return; 1366 if (sysctl_createv(NULL, 0, &node, &ssnode, 1367 CTLFLAG_READWRITE, CTLTYPE_INT, "sleep_state", 1368 NULL, sysctl_hw_acpi_sleepstate, 0, NULL, 0, CTL_CREATE, 1369 CTL_EOL) != 0) 1370 return; 1371 } 1372 1373 static int 1374 sysctl_hw_acpi_sleepstate(SYSCTLFN_ARGS) 1375 { 1376 int error, t; 1377 struct sysctlnode node; 1378 1379 node = *rnode; 1380 t = acpi_sleepstate; 1381 node.sysctl_data = &t; 1382 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1383 if (error || newp == NULL) 1384 return error; 1385 1386 if (acpi_softc == NULL) 1387 return ENOSYS; 1388 1389 acpi_enter_sleep_state(acpi_softc, t); 1390 1391 return 0; 1392 } 1393 1394 static ACPI_TABLE_HEADER * 1395 acpi_map_rsdt(void) 1396 { 1397 ACPI_PHYSICAL_ADDRESS paddr; 1398 ACPI_TABLE_RSDP *rsdp; 1399 1400 paddr = AcpiOsGetRootPointer(); 1401 if (paddr == 0) { 1402 printf("ACPI: couldn't get root pointer\n"); 1403 return NULL; 1404 } 1405 rsdp = AcpiOsMapMemory(paddr, sizeof(ACPI_TABLE_RSDP)); 1406 if (rsdp == NULL) { 1407 printf("ACPI: couldn't map RSDP\n"); 1408 return NULL; 1409 } 1410 if (rsdp->Revision > 1 && rsdp->XsdtPhysicalAddress) 1411 paddr = (ACPI_PHYSICAL_ADDRESS)rsdp->XsdtPhysicalAddress; 1412 else 1413 paddr = (ACPI_PHYSICAL_ADDRESS)rsdp->RsdtPhysicalAddress; 1414 AcpiOsUnmapMemory(rsdp, sizeof(ACPI_TABLE_RSDP)); 1415 1416 return AcpiOsMapMemory(paddr, sizeof(ACPI_TABLE_HEADER)); 1417 } 1418 1419 static void 1420 acpi_unmap_rsdt(ACPI_TABLE_HEADER *rsdt) 1421 { 1422 if (rsdt == NULL) 1423 return; 1424 1425 AcpiOsUnmapMemory(rsdt, sizeof(ACPI_TABLE_HEADER)); 1426 } 1427
Indexes created Wed Oct 01 19:09:53 GMT 2025