acpi.c revision 1.115
1 /* $NetBSD: acpi.c,v 1.115 2008/04/28 20:23:47 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright 2001, 2003 Wasabi Systems, Inc. 34 * All rights reserved. 35 * 36 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed for the NetBSD Project by 49 * Wasabi Systems, Inc. 50 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 51 * or promote products derived from this software without specific prior 52 * written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 56 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 57 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 58 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 59 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 60 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 61 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 62 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 64 * POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 /* 68 * Autoconfiguration support for the Intel ACPI Component Architecture 69 * ACPI reference implementation. 70 */ 71 72 #include <sys/cdefs.h> 73 __KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.115 2008/04/28 20:23:47 martin Exp $"); 74 75 #include "opt_acpi.h" 76 #include "opt_pcifixup.h" 77 78 #include <sys/param.h> 79 #include <sys/systm.h> 80 #include <sys/device.h> 81 #include <sys/malloc.h> 82 #include <sys/mutex.h> 83 #include <sys/kernel.h> 84 #include <sys/proc.h> 85 #include <sys/sysctl.h> 86 87 #include <dev/acpi/acpica.h> 88 #include <dev/acpi/acpireg.h> 89 #include <dev/acpi/acpivar.h> 90 #include <dev/acpi/acpi_osd.h> 91 #include <dev/acpi/acpi_timer.h> 92 #ifdef ACPIVERBOSE 93 #include <dev/acpi/acpidevs_data.h> 94 #endif 95 96 #if defined(ACPI_PCI_FIXUP) 97 #error The option ACPI_PCI_FIXUP has been obsoleted by PCI_INTR_FIXUP_DISABLED. Please adjust your kernel configuration file. 98 #endif 99 100 #ifdef PCI_INTR_FIXUP_DISABLED 101 #include <dev/pci/pcidevs.h> 102 #endif 103 104 MALLOC_DECLARE(M_ACPI); 105 106 #include <machine/acpi_machdep.h> 107 108 #ifdef ACPI_DEBUGGER 109 #define ACPI_DBGR_INIT 0x01 110 #define ACPI_DBGR_TABLES 0x02 111 #define ACPI_DBGR_ENABLE 0x04 112 #define ACPI_DBGR_PROBE 0x08 113 #define ACPI_DBGR_RUNNING 0x10 114 115 static int acpi_dbgr = 0x00; 116 #endif 117 118 static ACPI_TABLE_DESC acpi_initial_tables[128]; 119 120 static int acpi_match(device_t, struct cfdata *, void *); 121 static void acpi_attach(device_t, device_t, void *); 122 static void acpi_childdet(device_t, device_t); 123 124 static int acpi_print(void *aux, const char *); 125 126 static int sysctl_hw_acpi_sleepstate(SYSCTLFN_ARGS); 127 128 extern struct cfdriver acpi_cd; 129 130 CFATTACH_DECL2_NEW(acpi, sizeof(struct acpi_softc), 131 acpi_match, acpi_attach, NULL, NULL, NULL, acpi_childdet); 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 int acpi_force_load; 140 141 /* 142 * Pointer to the ACPI subsystem's state. There can be only 143 * one ACPI instance. 144 */ 145 struct acpi_softc *acpi_softc; 146 147 /* 148 * Locking stuff. 149 */ 150 static kmutex_t acpi_slock; 151 static int acpi_locked; 152 extern kmutex_t acpi_interrupt_list_mtx; 153 154 /* 155 * sysctl-related information 156 */ 157 158 static uint64_t acpi_root_pointer; /* found as hw.acpi.root */ 159 static int acpi_sleepstate = ACPI_STATE_S0; 160 static char acpi_supported_states[3 * 6 + 1] = "";; 161 162 /* 163 * Prototypes. 164 */ 165 static void acpi_build_tree(struct acpi_softc *); 166 static ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **); 167 168 static void acpi_enable_fixed_events(struct acpi_softc *); 169 170 static ACPI_TABLE_HEADER *acpi_map_rsdt(void); 171 static void acpi_unmap_rsdt(ACPI_TABLE_HEADER *); 172 static int is_available_state(struct acpi_softc *, int); 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_TABLE_HEADER *rsdt; 188 ACPI_STATUS rv; 189 190 if (beenhere != 0) 191 panic("acpi_probe: ACPI has already been probed"); 192 beenhere = 1; 193 194 mutex_init(&acpi_slock, MUTEX_DEFAULT, IPL_NONE); 195 mutex_init(&acpi_interrupt_list_mtx, MUTEX_DEFAULT, IPL_NONE); 196 acpi_locked = 0; 197 198 /* 199 * Start up ACPICA. 200 */ 201 #ifdef ACPI_DEBUGGER 202 if (acpi_dbgr & ACPI_DBGR_INIT) 203 acpi_osd_debugger(); 204 #endif 205 206 AcpiGbl_AllMethodsSerialized = FALSE; 207 AcpiGbl_EnableInterpreterSlack = TRUE; 208 209 rv = AcpiInitializeSubsystem(); 210 if (ACPI_FAILURE(rv)) { 211 printf("ACPI: unable to initialize ACPICA: %s\n", 212 AcpiFormatException(rv)); 213 return 0; 214 } 215 216 rv = AcpiInitializeTables(acpi_initial_tables, 128, 0); 217 if (ACPI_FAILURE(rv)) { 218 printf("ACPI: unable to initialize ACPI tables: %s\n", 219 AcpiFormatException(rv)); 220 return 0; 221 } 222 223 rv = AcpiReallocateRootTable(); 224 if (ACPI_FAILURE(rv)) { 225 printf("ACPI: unable to reallocate root table: %s\n", 226 AcpiFormatException(rv)); 227 return 0; 228 } 229 230 #ifdef ACPI_DEBUGGER 231 if (acpi_dbgr & ACPI_DBGR_TABLES) 232 acpi_osd_debugger(); 233 #endif 234 235 rv = AcpiLoadTables(); 236 if (ACPI_FAILURE(rv)) { 237 printf("ACPI: unable to load tables: %s\n", 238 AcpiFormatException(rv)); 239 return 0; 240 } 241 242 rsdt = acpi_map_rsdt(); 243 if (rsdt == NULL) { 244 printf("ACPI: unable to map RSDT\n"); 245 return 0; 246 } 247 248 if (!acpi_force_load && (acpi_find_quirks() & ACPI_QUIRK_BROKEN)) { 249 printf("ACPI: BIOS implementation in listed as broken:\n"); 250 printf("ACPI: X/RSDT: OemId <%6.6s,%8.8s,%08x>, " 251 "AslId <%4.4s,%08x>\n", 252 rsdt->OemId, rsdt->OemTableId, 253 rsdt->OemRevision, 254 rsdt->AslCompilerId, 255 rsdt->AslCompilerRevision); 256 printf("ACPI: not used. set acpi_force_load to use anyway.\n"); 257 acpi_unmap_rsdt(rsdt); 258 return 0; 259 } 260 261 acpi_unmap_rsdt(rsdt); 262 263 #if notyet 264 /* Install the default address space handlers. */ 265 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 266 ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_DEFAULT_HANDLER, NULL, NULL); 267 if (ACPI_FAILURE(rv)) { 268 printf("ACPI: unable to initialise SystemMemory handler: %s\n", 269 AcpiFormatException(rv)); 270 return 0; 271 } 272 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 273 ACPI_ADR_SPACE_SYSTEM_IO, ACPI_DEFAULT_HANDLER, NULL, NULL); 274 if (ACPI_FAILURE(rv)) { 275 printf("ACPI: unable to initialise SystemIO handler: %s\n", 276 AcpiFormatException(rv)); 277 return 0; 278 } 279 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 280 ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); 281 if (ACPI_FAILURE(rv)) { 282 printf("ACPI: unabled to initialise PciConfig handler: %s\n", 283 AcpiFormatException(rv)); 284 return 0; 285 } 286 #endif 287 288 rv = AcpiEnableSubsystem(~(ACPI_NO_HARDWARE_INIT|ACPI_NO_ACPI_ENABLE)); 289 if (ACPI_FAILURE(rv)) { 290 printf("ACPI: unable to enable: %s\n", AcpiFormatException(rv)); 291 return 0; 292 } 293 294 /* 295 * Looks like we have ACPI! 296 */ 297 298 return 1; 299 } 300 301 static int 302 acpi_submatch(device_t parent, cfdata_t cf, const int *locs, void *aux) 303 { 304 struct cfattach *ca; 305 306 ca = config_cfattach_lookup(cf->cf_name, cf->cf_atname); 307 return (ca == &acpi_ca); 308 } 309 310 int 311 acpi_check(device_t parent, const char *ifattr) 312 { 313 return (config_search_ia(acpi_submatch, parent, ifattr, NULL) != NULL); 314 } 315 316 ACPI_PHYSICAL_ADDRESS 317 acpi_OsGetRootPointer(void) 318 { 319 ACPI_PHYSICAL_ADDRESS PhysicalAddress; 320 321 /* 322 * IA-32: Use AcpiFindRootPointer() to locate the RSDP. 323 * 324 * IA-64: Use the EFI. 325 * 326 * We let MD code handle this since there are multiple 327 * ways to do it. 328 */ 329 330 PhysicalAddress = acpi_md_OsGetRootPointer(); 331 332 if (acpi_root_pointer == 0) 333 acpi_root_pointer = PhysicalAddress; 334 335 return PhysicalAddress; 336 } 337 338 /* 339 * acpi_match: 340 * 341 * Autoconfiguration `match' routine. 342 */ 343 static int 344 acpi_match(device_t parent, struct cfdata *match, void *aux) 345 { 346 /* 347 * XXX Check other locators? Hard to know -- machine 348 * dependent code has already checked for the presence 349 * of ACPI by calling acpi_probe(), so I suppose we 350 * don't really have to do anything else. 351 */ 352 return 1; 353 } 354 355 /* Remove references to child devices. 356 * 357 * XXX Need to reclaim any resources? 358 */ 359 static void 360 acpi_childdet(device_t self, device_t child) 361 { 362 struct acpi_softc *sc = device_private(self); 363 struct acpi_scope *as; 364 struct acpi_devnode *ad; 365 366 TAILQ_FOREACH(as, &sc->sc_scopes, as_list) { 367 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 368 if (ad->ad_device == child) 369 ad->ad_device = NULL; 370 } 371 } 372 } 373 374 /* 375 * acpi_attach: 376 * 377 * Autoconfiguration `attach' routine. Finish initializing 378 * ACPICA (some initialization was done in acpi_probe(), 379 * which was required to check for the presence of ACPI), 380 * and enable the ACPI subsystem. 381 */ 382 static void 383 acpi_attach(device_t parent, device_t self, void *aux) 384 { 385 struct acpi_softc *sc = device_private(self); 386 struct acpibus_attach_args *aa = aux; 387 ACPI_STATUS rv; 388 ACPI_TABLE_HEADER *rsdt; 389 390 aprint_naive(": Advanced Configuration and Power Interface\n"); 391 aprint_normal(": Advanced Configuration and Power Interface\n"); 392 393 if (acpi_softc != NULL) 394 panic("acpi_attach: ACPI has already been attached"); 395 396 sysmon_power_settype("acpi"); 397 398 aprint_verbose_dev(self, 399 "using Intel ACPI CA subsystem version %08x\n", ACPI_CA_VERSION); 400 401 rsdt = acpi_map_rsdt(); 402 if (rsdt) { 403 aprint_verbose_dev( 404 self, 405 "X/RSDT: OemId <%6.6s,%8.8s,%08x>, AslId <%4.4s,%08x>\n", 406 rsdt->OemId, rsdt->OemTableId, 407 rsdt->OemRevision, 408 rsdt->AslCompilerId, rsdt->AslCompilerRevision); 409 } else 410 aprint_error_dev(self, "X/RSDT: Not found\n"); 411 acpi_unmap_rsdt(rsdt); 412 413 sc->sc_dev = self; 414 sc->sc_quirks = acpi_find_quirks(); 415 416 sc->sc_iot = aa->aa_iot; 417 sc->sc_memt = aa->aa_memt; 418 sc->sc_pc = aa->aa_pc; 419 sc->sc_pciflags = aa->aa_pciflags; 420 sc->sc_ic = aa->aa_ic; 421 422 acpi_softc = sc; 423 424 /* 425 * Register null power management handler 426 */ 427 if (!pmf_device_register(self, NULL, NULL)) 428 aprint_error_dev(self, "couldn't establish power handler\n"); 429 430 /* 431 * Bring ACPI on-line. 432 */ 433 #ifdef ACPI_DEBUGGER 434 if (acpi_dbgr & ACPI_DBGR_ENABLE) 435 acpi_osd_debugger(); 436 #endif 437 438 #define ACPI_ENABLE_PHASE1 \ 439 (ACPI_NO_HANDLER_INIT | ACPI_NO_EVENT_INIT) 440 #define ACPI_ENABLE_PHASE2 \ 441 (ACPI_NO_HARDWARE_INIT | ACPI_NO_ACPI_ENABLE | \ 442 ACPI_NO_ADDRESS_SPACE_INIT) 443 444 rv = AcpiEnableSubsystem(ACPI_ENABLE_PHASE1); 445 if (ACPI_FAILURE(rv)) { 446 aprint_error_dev(self, "unable to enable ACPI: %s\n", 447 AcpiFormatException(rv)); 448 return; 449 } 450 451 acpi_md_callback(); 452 453 rv = AcpiEnableSubsystem(ACPI_ENABLE_PHASE2); 454 if (ACPI_FAILURE(rv)) { 455 aprint_error_dev(self, "unable to enable ACPI: %s\n", 456 AcpiFormatException(rv)); 457 return; 458 } 459 460 /* early EC handler initialization if ECDT table is available */ 461 config_found_ia(self, "acpiecdtbus", NULL, NULL); 462 463 rv = AcpiInitializeObjects(ACPI_FULL_INITIALIZATION); 464 if (ACPI_FAILURE(rv)) { 465 aprint_error_dev(self, 466 "unable to initialize ACPI objects: %s\n", 467 AcpiFormatException(rv)); 468 return; 469 } 470 acpi_active = 1; 471 472 /* Our current state is "awake". */ 473 sc->sc_sleepstate = ACPI_STATE_S0; 474 475 /* Show SCI interrupt. */ 476 aprint_verbose_dev(self, "SCI interrupting at int %d\n", 477 AcpiGbl_FADT.SciInterrupt); 478 479 /* 480 * Check for fixed-hardware features. 481 */ 482 acpi_enable_fixed_events(sc); 483 acpitimer_init(); 484 485 /* 486 * Scan the namespace and build our device tree. 487 */ 488 #ifdef ACPI_DEBUGGER 489 if (acpi_dbgr & ACPI_DBGR_PROBE) 490 acpi_osd_debugger(); 491 #endif 492 acpi_build_tree(sc); 493 494 sprintf(acpi_supported_states, "%s%s%s%s%s%s", 495 is_available_state(sc, ACPI_STATE_S0) ? "S0 " : "", 496 is_available_state(sc, ACPI_STATE_S1) ? "S1 " : "", 497 is_available_state(sc, ACPI_STATE_S2) ? "S2 " : "", 498 is_available_state(sc, ACPI_STATE_S3) ? "S3 " : "", 499 is_available_state(sc, ACPI_STATE_S4) ? "S4 " : "", 500 is_available_state(sc, ACPI_STATE_S5) ? "S5 " : ""); 501 502 #ifdef ACPI_DEBUGGER 503 if (acpi_dbgr & ACPI_DBGR_RUNNING) 504 acpi_osd_debugger(); 505 #endif 506 } 507 508 #if 0 509 /* 510 * acpi_disable: 511 * 512 * Disable ACPI. 513 */ 514 static ACPI_STATUS 515 acpi_disable(struct acpi_softc *sc) 516 { 517 ACPI_STATUS rv = AE_OK; 518 519 if (acpi_active) { 520 rv = AcpiDisable(); 521 if (ACPI_SUCCESS(rv)) 522 acpi_active = 0; 523 } 524 return rv; 525 } 526 #endif 527 528 struct acpi_make_devnode_state { 529 struct acpi_softc *softc; 530 struct acpi_scope *scope; 531 }; 532 533 /* 534 * acpi_build_tree: 535 * 536 * Scan relevant portions of the ACPI namespace and attach 537 * child devices. 538 */ 539 static void 540 acpi_build_tree(struct acpi_softc *sc) 541 { 542 static const char *scopes[] = { 543 "\\_PR_", /* ACPI 1.0 processor namespace */ 544 "\\_SB_", /* system bus namespace */ 545 "\\_SI_", /* system indicator namespace */ 546 "\\_TZ_", /* ACPI 1.0 thermal zone namespace */ 547 NULL, 548 }; 549 struct acpi_attach_args aa; 550 struct acpi_make_devnode_state state; 551 struct acpi_scope *as; 552 struct acpi_devnode *ad; 553 ACPI_HANDLE parent; 554 ACPI_STATUS rv; 555 int i; 556 557 TAILQ_INIT(&sc->sc_scopes); 558 559 state.softc = sc; 560 561 /* 562 * Scan the namespace and build our tree. 563 */ 564 for (i = 0; scopes[i] != NULL; i++) { 565 as = malloc(sizeof(*as), M_ACPI, M_WAITOK); 566 as->as_name = scopes[i]; 567 TAILQ_INIT(&as->as_devnodes); 568 569 TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list); 570 571 state.scope = as; 572 573 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], 574 &parent); 575 if (ACPI_SUCCESS(rv)) { 576 AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, 577 acpi_make_devnode, &state, NULL); 578 } 579 580 /* Now, for this namespace, try and attach the devices. */ 581 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 582 aa.aa_node = ad; 583 aa.aa_iot = sc->sc_iot; 584 aa.aa_memt = sc->sc_memt; 585 aa.aa_pc = sc->sc_pc; 586 aa.aa_pciflags = sc->sc_pciflags; 587 aa.aa_ic = sc->sc_ic; 588 589 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE) { 590 /* 591 * XXX We only attach devices which are: 592 * 593 * - present 594 * - enabled 595 * - functioning properly 596 * 597 * However, if enabled, it's decoding resources, 598 * so we should claim them, if possible. 599 * Requires changes to bus_space(9). 600 */ 601 if ((ad->ad_devinfo->Valid & ACPI_VALID_STA) == 602 ACPI_VALID_STA && 603 (ad->ad_devinfo->CurrentStatus & 604 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 605 ACPI_STA_DEV_OK)) != 606 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 607 ACPI_STA_DEV_OK)) 608 continue; 609 } 610 611 /* 612 * XXX Same problem as above... 613 * 614 * Do this check only for devices, as e.g. 615 * a Thermal Zone doesn't have a HID. 616 */ 617 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE && 618 (ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 619 continue; 620 621 ad->ad_device = config_found_ia(sc->sc_dev, 622 "acpinodebus", &aa, acpi_print); 623 } 624 } 625 config_found_ia(sc->sc_dev, "acpiapmbus", NULL, NULL); 626 } 627 628 #ifdef ACPI_ACTIVATE_DEV 629 static void 630 acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO **di) 631 { 632 ACPI_STATUS rv; 633 ACPI_BUFFER buf; 634 635 buf.Pointer = NULL; 636 buf.Length = ACPI_ALLOCATE_BUFFER; 637 638 #ifdef ACPI_DEBUG 639 aprint_normal("acpi_activate_device: %s, old status=%x\n", 640 (*di)->HardwareId.Value, (*di)->CurrentStatus); 641 #endif 642 643 rv = acpi_allocate_resources(handle); 644 if (ACPI_FAILURE(rv)) { 645 aprint_error("acpi: activate failed for %s\n", 646 (*di)->HardwareId.Value); 647 } else { 648 aprint_verbose("acpi: activated %s\n", 649 (*di)->HardwareId.Value); 650 } 651 652 (void)AcpiGetObjectInfo(handle, &buf); 653 AcpiOsFree(*di); 654 *di = buf.Pointer; 655 656 #ifdef ACPI_DEBUG 657 aprint_normal("acpi_activate_device: %s, new status=%x\n", 658 (*di)->HardwareId.Value, (*di)->CurrentStatus); 659 #endif 660 } 661 #endif /* ACPI_ACTIVATE_DEV */ 662 663 /* 664 * acpi_make_devnode: 665 * 666 * Make an ACPI devnode. 667 */ 668 static ACPI_STATUS 669 acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context, 670 void **status) 671 { 672 struct acpi_make_devnode_state *state = context; 673 #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG) 674 struct acpi_softc *sc = state->softc; 675 #endif 676 struct acpi_scope *as = state->scope; 677 struct acpi_devnode *ad; 678 ACPI_OBJECT_TYPE type; 679 ACPI_BUFFER buf; 680 ACPI_DEVICE_INFO *devinfo; 681 ACPI_STATUS rv; 682 ACPI_NAME_UNION *anu; 683 int i, clear = 0; 684 685 rv = AcpiGetType(handle, &type); 686 if (ACPI_SUCCESS(rv)) { 687 buf.Pointer = NULL; 688 buf.Length = ACPI_ALLOCATE_BUFFER; 689 rv = AcpiGetObjectInfo(handle, &buf); 690 if (ACPI_FAILURE(rv)) { 691 #ifdef ACPI_DEBUG 692 aprint_normal_dev(sc->sc_dev, 693 "AcpiGetObjectInfo failed: %s\n", 694 AcpiFormatException(rv)); 695 #endif 696 goto out; /* XXX why return OK */ 697 } 698 699 devinfo = buf.Pointer; 700 701 switch (type) { 702 case ACPI_TYPE_DEVICE: 703 #ifdef ACPI_ACTIVATE_DEV 704 if ((devinfo->Valid & (ACPI_VALID_STA|ACPI_VALID_HID)) == 705 (ACPI_VALID_STA|ACPI_VALID_HID) && 706 (devinfo->CurrentStatus & 707 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) == 708 ACPI_STA_DEV_PRESENT) 709 acpi_activate_device(handle, &devinfo); 710 711 /* FALLTHROUGH */ 712 #endif 713 714 case ACPI_TYPE_PROCESSOR: 715 case ACPI_TYPE_THERMAL: 716 case ACPI_TYPE_POWER: 717 ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO); 718 if (ad == NULL) 719 return AE_NO_MEMORY; 720 721 ad->ad_devinfo = devinfo; 722 ad->ad_handle = handle; 723 ad->ad_level = level; 724 ad->ad_scope = as; 725 ad->ad_type = type; 726 727 anu = (ACPI_NAME_UNION *)&devinfo->Name; 728 ad->ad_name[4] = '\0'; 729 for (i = 3, clear = 0; i >= 0; i--) { 730 if (!clear && anu->Ascii[i] == '_') 731 ad->ad_name[i] = '\0'; 732 else { 733 ad->ad_name[i] = anu->Ascii[i]; 734 clear = 1; 735 } 736 } 737 if (ad->ad_name[0] == '\0') 738 ad->ad_name[0] = '_'; 739 740 TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list); 741 742 if (type == ACPI_TYPE_DEVICE && 743 (ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 744 goto out; 745 746 #ifdef ACPI_EXTRA_DEBUG 747 aprint_normal_dev(sc->sc_dev, 748 "HID %s found in scope %s level %d\n", 749 ad->ad_devinfo->HardwareId.Value, 750 as->as_name, ad->ad_level); 751 if (ad->ad_devinfo->Valid & ACPI_VALID_UID) 752 aprint_normal(" UID %s\n", 753 ad->ad_devinfo->UniqueId.Value); 754 if (ad->ad_devinfo->Valid & ACPI_VALID_ADR) 755 aprint_normal(" ADR 0x%016qx\n", 756 ad->ad_devinfo->Address); 757 if (ad->ad_devinfo->Valid & ACPI_VALID_STA) 758 aprint_normal(" STA 0x%08x\n", 759 ad->ad_devinfo->CurrentStatus); 760 #endif 761 } 762 } 763 out: 764 return AE_OK; 765 } 766 767 /* 768 * acpi_print: 769 * 770 * Autoconfiguration print routine for ACPI node bus. 771 */ 772 static int 773 acpi_print(void *aux, const char *pnp) 774 { 775 struct acpi_attach_args *aa = aux; 776 ACPI_STATUS rv; 777 778 if (pnp) { 779 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 780 char *pnpstr = 781 aa->aa_node->ad_devinfo->HardwareId.Value; 782 char *str; 783 784 aprint_normal("%s (%s) ", aa->aa_node->ad_name, 785 pnpstr); 786 rv = acpi_eval_string(aa->aa_node->ad_handle, 787 "_STR", &str); 788 if (ACPI_SUCCESS(rv)) { 789 aprint_normal("[%s] ", str); 790 AcpiOsFree(str); 791 } 792 #ifdef ACPIVERBOSE 793 else { 794 int i; 795 796 for (i = 0; i < sizeof(acpi_knowndevs) / 797 sizeof(acpi_knowndevs[0]); i++) { 798 if (strcmp(acpi_knowndevs[i].pnp, 799 pnpstr) == 0) { 800 aprint_normal("[%s] ", 801 acpi_knowndevs[i].str); 802 } 803 } 804 } 805 806 #endif 807 aprint_normal("at %s", pnp); 808 } else if (aa->aa_node->ad_devinfo->Type != ACPI_TYPE_DEVICE) { 809 aprint_normal("%s (ACPI Object Type '%s' " 810 "[0x%02x]) ", aa->aa_node->ad_name, 811 AcpiUtGetTypeName(aa->aa_node->ad_devinfo->Type), 812 aa->aa_node->ad_devinfo->Type); 813 aprint_normal("at %s", pnp); 814 } else 815 return 0; 816 } else { 817 aprint_normal(" (%s", aa->aa_node->ad_name); 818 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 819 aprint_normal(", %s", aa->aa_node->ad_devinfo->HardwareId.Value); 820 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_UID) { 821 const char *uid; 822 823 uid = aa->aa_node->ad_devinfo->UniqueId.Value; 824 if (uid[0] == '\0') 825 uid = "<null>"; 826 aprint_normal("-%s", uid); 827 } 828 } 829 aprint_normal(")"); 830 } 831 832 return UNCONF; 833 } 834 835 /***************************************************************************** 836 * ACPI fixed-hardware feature handlers 837 *****************************************************************************/ 838 839 static UINT32 acpi_fixed_button_handler(void *); 840 static void acpi_fixed_button_pressed(void *); 841 842 /* 843 * acpi_enable_fixed_events: 844 * 845 * Enable any fixed-hardware feature handlers. 846 */ 847 static void 848 acpi_enable_fixed_events(struct acpi_softc *sc) 849 { 850 static int beenhere; 851 ACPI_STATUS rv; 852 853 KASSERT(beenhere == 0); 854 beenhere = 1; 855 856 /* 857 * Check for fixed-hardware buttons. 858 */ 859 860 if ((AcpiGbl_FADT.Flags & ACPI_FADT_POWER_BUTTON) == 0) { 861 aprint_verbose_dev(sc->sc_dev, 862 "fixed-feature power button present\n"); 863 sc->sc_smpsw_power.smpsw_name = device_xname(sc->sc_dev); 864 sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER; 865 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 866 aprint_error_dev(sc->sc_dev, 867 "unable to register fixed power " 868 "button with sysmon\n"); 869 } else { 870 rv = AcpiInstallFixedEventHandler( 871 ACPI_EVENT_POWER_BUTTON, 872 acpi_fixed_button_handler, &sc->sc_smpsw_power); 873 if (ACPI_FAILURE(rv)) { 874 aprint_error_dev(sc->sc_dev, 875 "unable to install handler " 876 "for fixed power button: %s\n", 877 AcpiFormatException(rv)); 878 } 879 } 880 } 881 882 if ((AcpiGbl_FADT.Flags & ACPI_FADT_SLEEP_BUTTON) == 0) { 883 aprint_verbose_dev(sc->sc_dev, 884 "fixed-feature sleep button present\n"); 885 sc->sc_smpsw_sleep.smpsw_name = device_xname(sc->sc_dev); 886 sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP; 887 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 888 aprint_error_dev(sc->sc_dev, 889 "unable to register fixed sleep " 890 "button with sysmon\n"); 891 } else { 892 rv = AcpiInstallFixedEventHandler( 893 ACPI_EVENT_SLEEP_BUTTON, 894 acpi_fixed_button_handler, &sc->sc_smpsw_sleep); 895 if (ACPI_FAILURE(rv)) { 896 aprint_error_dev(sc->sc_dev, 897 "unable to install handler " 898 "for fixed sleep button: %s\n", 899 AcpiFormatException(rv)); 900 } 901 } 902 } 903 } 904 905 /* 906 * acpi_fixed_button_handler: 907 * 908 * Event handler for the fixed buttons. 909 */ 910 static UINT32 911 acpi_fixed_button_handler(void *context) 912 { 913 struct sysmon_pswitch *smpsw = context; 914 int rv; 915 916 #ifdef ACPI_BUT_DEBUG 917 printf("%s: fixed button handler\n", smpsw->smpsw_name); 918 #endif 919 920 rv = AcpiOsExecute(OSL_NOTIFY_HANDLER, 921 acpi_fixed_button_pressed, smpsw); 922 if (ACPI_FAILURE(rv)) 923 printf("%s: WARNING: unable to queue fixed button pressed " 924 "callback: %s\n", smpsw->smpsw_name, 925 AcpiFormatException(rv)); 926 927 return ACPI_INTERRUPT_HANDLED; 928 } 929 930 /* 931 * acpi_fixed_button_pressed: 932 * 933 * Deal with a fixed button being pressed. 934 */ 935 static void 936 acpi_fixed_button_pressed(void *context) 937 { 938 struct sysmon_pswitch *smpsw = context; 939 940 #ifdef ACPI_BUT_DEBUG 941 printf("%s: fixed button pressed, calling sysmon\n", 942 smpsw->smpsw_name); 943 #endif 944 945 sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED); 946 } 947 948 /***************************************************************************** 949 * ACPI utility routines. 950 *****************************************************************************/ 951 952 /* 953 * acpi_eval_integer: 954 * 955 * Evaluate an integer object. 956 */ 957 ACPI_STATUS 958 acpi_eval_integer(ACPI_HANDLE handle, const char *path, ACPI_INTEGER *valp) 959 { 960 ACPI_STATUS rv; 961 ACPI_BUFFER buf; 962 ACPI_OBJECT param; 963 964 if (handle == NULL) 965 handle = ACPI_ROOT_OBJECT; 966 967 buf.Pointer = ¶m; 968 buf.Length = sizeof(param); 969 970 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_INTEGER); 971 if (ACPI_SUCCESS(rv)) 972 *valp = param.Integer.Value; 973 974 return rv; 975 } 976 977 /* 978 * acpi_eval_string: 979 * 980 * Evaluate a (Unicode) string object. 981 */ 982 ACPI_STATUS 983 acpi_eval_string(ACPI_HANDLE handle, const char *path, char **stringp) 984 { 985 ACPI_STATUS rv; 986 ACPI_BUFFER buf; 987 988 if (handle == NULL) 989 handle = ACPI_ROOT_OBJECT; 990 991 buf.Pointer = NULL; 992 buf.Length = ACPI_ALLOCATE_BUFFER; 993 994 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_STRING); 995 if (ACPI_SUCCESS(rv)) { 996 ACPI_OBJECT *param = buf.Pointer; 997 const char *ptr = param->String.Pointer; 998 size_t len = param->String.Length; 999 if ((*stringp = AcpiOsAllocate(len)) == NULL) 1000 rv = AE_NO_MEMORY; 1001 else 1002 (void)memcpy(*stringp, ptr, len); 1003 AcpiOsFree(param); 1004 } 1005 1006 return rv; 1007 } 1008 1009 1010 /* 1011 * acpi_eval_struct: 1012 * 1013 * Evaluate a more complex structure. 1014 * Caller must free buf.Pointer by AcpiOsFree(). 1015 */ 1016 ACPI_STATUS 1017 acpi_eval_struct(ACPI_HANDLE handle, const char *path, ACPI_BUFFER *bufp) 1018 { 1019 ACPI_STATUS rv; 1020 1021 if (handle == NULL) 1022 handle = ACPI_ROOT_OBJECT; 1023 1024 bufp->Pointer = NULL; 1025 bufp->Length = ACPI_ALLOCATE_BUFFER; 1026 1027 rv = AcpiEvaluateObject(handle, path, NULL, bufp); 1028 1029 return rv; 1030 } 1031 1032 /* 1033 * acpi_foreach_package_object: 1034 * 1035 * Iterate over all objects in a in a packages and pass then all 1036 * to a function. If the called function returns non AE_OK, the 1037 * iteration is stopped and that value is returned. 1038 */ 1039 1040 ACPI_STATUS 1041 acpi_foreach_package_object(ACPI_OBJECT *pkg, 1042 ACPI_STATUS (*func)(ACPI_OBJECT *, void *), 1043 void *arg) 1044 { 1045 ACPI_STATUS rv = AE_OK; 1046 int i; 1047 1048 if (pkg == NULL || pkg->Type != ACPI_TYPE_PACKAGE) 1049 return AE_BAD_PARAMETER; 1050 1051 for (i = 0; i < pkg->Package.Count; i++) { 1052 rv = (*func)(&pkg->Package.Elements[i], arg); 1053 if (ACPI_FAILURE(rv)) 1054 break; 1055 } 1056 1057 return rv; 1058 } 1059 1060 const char * 1061 acpi_name(ACPI_HANDLE handle) 1062 { 1063 static char buffer[80]; 1064 ACPI_BUFFER buf; 1065 ACPI_STATUS rv; 1066 1067 buf.Length = sizeof(buffer); 1068 buf.Pointer = buffer; 1069 1070 rv = AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf); 1071 if (ACPI_FAILURE(rv)) 1072 return "(unknown acpi path)"; 1073 return buffer; 1074 } 1075 1076 /* 1077 * acpi_get: 1078 * 1079 * Fetch data info the specified (empty) ACPI buffer. 1080 * Caller must free buf.Pointer by AcpiOsFree(). 1081 */ 1082 ACPI_STATUS 1083 acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf, 1084 ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *)) 1085 { 1086 buf->Pointer = NULL; 1087 buf->Length = ACPI_ALLOCATE_BUFFER; 1088 1089 return (*getit)(handle, buf); 1090 } 1091 1092 1093 /* 1094 * acpi_match_hid 1095 * 1096 * Match given ids against _HID and _CIDs 1097 */ 1098 int 1099 acpi_match_hid(ACPI_DEVICE_INFO *ad, const char * const *ids) 1100 { 1101 int i; 1102 1103 while (*ids) { 1104 if (ad->Valid & ACPI_VALID_HID) { 1105 if (pmatch(ad->HardwareId.Value, *ids, NULL) == 2) 1106 return 1; 1107 } 1108 1109 if (ad->Valid & ACPI_VALID_CID) { 1110 for (i = 0; i < ad->CompatibilityId.Count; i++) { 1111 if (pmatch(ad->CompatibilityId.Id[i].Value, *ids, NULL) == 2) 1112 return 1; 1113 } 1114 } 1115 ids++; 1116 } 1117 1118 return 0; 1119 } 1120 1121 /* 1122 * acpi_set_wake_gpe 1123 * 1124 * Set GPE as both Runtime and Wake 1125 */ 1126 void 1127 acpi_set_wake_gpe(ACPI_HANDLE handle) 1128 { 1129 ACPI_BUFFER buf; 1130 ACPI_STATUS rv; 1131 ACPI_OBJECT *p, *elt; 1132 1133 rv = acpi_eval_struct(handle, METHOD_NAME__PRW, &buf); 1134 if (ACPI_FAILURE(rv)) 1135 return; /* just ignore */ 1136 1137 p = buf.Pointer; 1138 if (p->Type != ACPI_TYPE_PACKAGE || p->Package.Count < 2) 1139 goto out; /* just ignore */ 1140 1141 elt = p->Package.Elements; 1142 1143 /* TBD: package support */ 1144 AcpiSetGpeType(NULL, elt[0].Integer.Value, ACPI_GPE_TYPE_WAKE_RUN); 1145 AcpiEnableGpe(NULL, elt[0].Integer.Value, ACPI_NOT_ISR); 1146 1147 out: 1148 AcpiOsFree(buf.Pointer); 1149 } 1150 1151 1152 /***************************************************************************** 1153 * ACPI sleep support. 1154 *****************************************************************************/ 1155 1156 static int 1157 is_available_state(struct acpi_softc *sc, int state) 1158 { 1159 UINT8 type_a, type_b; 1160 1161 return ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state, 1162 &type_a, &type_b)); 1163 } 1164 1165 /* 1166 * acpi_enter_sleep_state: 1167 * 1168 * enter to the specified sleep state. 1169 */ 1170 1171 ACPI_STATUS 1172 acpi_enter_sleep_state(struct acpi_softc *sc, int state) 1173 { 1174 int err; 1175 ACPI_STATUS ret = AE_OK; 1176 1177 if (state == acpi_sleepstate) 1178 return AE_OK; 1179 1180 aprint_normal_dev(sc->sc_dev, "entering state %d\n", state); 1181 1182 switch (state) { 1183 case ACPI_STATE_S0: 1184 break; 1185 case ACPI_STATE_S1: 1186 case ACPI_STATE_S2: 1187 case ACPI_STATE_S3: 1188 case ACPI_STATE_S4: 1189 if (!is_available_state(sc, state)) { 1190 aprint_error_dev(sc->sc_dev, 1191 "ACPI S%d not available on this platform\n", state); 1192 break; 1193 } 1194 1195 if (state != ACPI_STATE_S1 && !pmf_system_suspend(PMF_F_NONE)) { 1196 aprint_error_dev(sc->sc_dev, "aborting suspend\n"); 1197 break; 1198 } 1199 1200 ret = AcpiEnterSleepStatePrep(state); 1201 if (ACPI_FAILURE(ret)) { 1202 aprint_error_dev(sc->sc_dev, 1203 "failed preparing to sleep (%s)\n", 1204 AcpiFormatException(ret)); 1205 break; 1206 } 1207 1208 acpi_sleepstate = state; 1209 if (state == ACPI_STATE_S1) { 1210 /* just enter the state */ 1211 acpi_md_OsDisableInterrupt(); 1212 ret = AcpiEnterSleepState((UINT8)state); 1213 if (ACPI_FAILURE(ret)) 1214 aprint_error_dev(sc->sc_dev, 1215 "failed to enter sleep state S1: %s\n", 1216 AcpiFormatException(ret)); 1217 AcpiLeaveSleepState((UINT8)state); 1218 } else { 1219 err = acpi_md_sleep(state); 1220 if (state == ACPI_STATE_S4) 1221 AcpiEnable(); 1222 pmf_system_bus_resume(PMF_F_NONE); 1223 AcpiLeaveSleepState((UINT8)state); 1224 pmf_system_resume(PMF_F_NONE); 1225 } 1226 1227 break; 1228 case ACPI_STATE_S5: 1229 ret = AcpiEnterSleepStatePrep(ACPI_STATE_S5); 1230 if (ACPI_FAILURE(ret)) { 1231 aprint_error_dev(sc->sc_dev, 1232 "failed preparing to sleep (%s)\n", 1233 AcpiFormatException(ret)); 1234 break; 1235 } 1236 DELAY(1000000); 1237 acpi_sleepstate = state; 1238 acpi_md_OsDisableInterrupt(); 1239 AcpiEnterSleepState(ACPI_STATE_S5); 1240 aprint_error_dev(sc->sc_dev, "WARNING powerdown failed!\n"); 1241 break; 1242 } 1243 1244 acpi_sleepstate = ACPI_STATE_S0; 1245 return ret; 1246 } 1247 1248 #if defined(ACPI_ACTIVATE_DEV) 1249 /* XXX This very incomplete */ 1250 ACPI_STATUS 1251 acpi_allocate_resources(ACPI_HANDLE handle) 1252 { 1253 ACPI_BUFFER bufp, bufc, bufn; 1254 ACPI_RESOURCE *resp, *resc, *resn; 1255 ACPI_RESOURCE_IRQ *irq; 1256 ACPI_RESOURCE_EXTENDED_IRQ *xirq; 1257 ACPI_STATUS rv; 1258 uint delta; 1259 1260 rv = acpi_get(handle, &bufp, AcpiGetPossibleResources); 1261 if (ACPI_FAILURE(rv)) 1262 goto out; 1263 rv = acpi_get(handle, &bufc, AcpiGetCurrentResources); 1264 if (ACPI_FAILURE(rv)) { 1265 goto out1; 1266 } 1267 1268 bufn.Length = 1000; 1269 bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK); 1270 resp = bufp.Pointer; 1271 resc = bufc.Pointer; 1272 while (resc->Type != ACPI_RESOURCE_TYPE_END_TAG && 1273 resp->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1274 while (resc->Type != resp->Type && resp->Type != ACPI_RESOURCE_TYPE_END_TAG) 1275 resp = ACPI_NEXT_RESOURCE(resp); 1276 if (resp->Type == ACPI_RESOURCE_TYPE_END_TAG) 1277 break; 1278 /* Found identical Id */ 1279 resn->Type = resc->Type; 1280 switch (resc->Type) { 1281 case ACPI_RESOURCE_TYPE_IRQ: 1282 memcpy(&resn->Data, &resp->Data, 1283 sizeof(ACPI_RESOURCE_IRQ)); 1284 irq = (ACPI_RESOURCE_IRQ *)&resn->Data; 1285 irq->Interrupts[0] = 1286 ((ACPI_RESOURCE_IRQ *)&resp->Data)-> 1287 Interrupts[irq->InterruptCount-1]; 1288 irq->InterruptCount = 1; 1289 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_IRQ); 1290 break; 1291 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: 1292 memcpy(&resn->Data, &resp->Data, 1293 sizeof(ACPI_RESOURCE_EXTENDED_IRQ)); 1294 xirq = (ACPI_RESOURCE_EXTENDED_IRQ *)&resn->Data; 1295 #if 0 1296 /* 1297 * XXX not duplicating the interrupt logic above 1298 * because its not clear what it accomplishes. 1299 */ 1300 xirq->Interrupts[0] = 1301 ((ACPI_RESOURCE_EXT_IRQ *)&resp->Data)-> 1302 Interrupts[irq->NumberOfInterrupts-1]; 1303 xirq->NumberOfInterrupts = 1; 1304 #endif 1305 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_EXTENDED_IRQ); 1306 break; 1307 case ACPI_RESOURCE_TYPE_IO: 1308 memcpy(&resn->Data, &resp->Data, 1309 sizeof(ACPI_RESOURCE_IO)); 1310 resn->Length = resp->Length; 1311 break; 1312 default: 1313 printf("acpi_allocate_resources: res=%d\n", resc->Type); 1314 rv = AE_BAD_DATA; 1315 goto out2; 1316 } 1317 resc = ACPI_NEXT_RESOURCE(resc); 1318 resn = ACPI_NEXT_RESOURCE(resn); 1319 resp = ACPI_NEXT_RESOURCE(resp); 1320 delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer; 1321 if (delta >= 1322 bufn.Length-ACPI_RS_SIZE(ACPI_RESOURCE_DATA)) { 1323 bufn.Length *= 2; 1324 bufn.Pointer = realloc(bufn.Pointer, bufn.Length, 1325 M_ACPI, M_WAITOK); 1326 resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta); 1327 } 1328 } 1329 if (resc->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1330 printf("acpi_allocate_resources: resc not exhausted\n"); 1331 rv = AE_BAD_DATA; 1332 goto out3; 1333 } 1334 1335 resn->Type = ACPI_RESOURCE_TYPE_END_TAG; 1336 rv = AcpiSetCurrentResources(handle, &bufn); 1337 if (ACPI_FAILURE(rv)) { 1338 printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n", 1339 AcpiFormatException(rv)); 1340 } 1341 1342 out3: 1343 free(bufn.Pointer, M_ACPI); 1344 out2: 1345 AcpiOsFree(bufc.Pointer); 1346 out1: 1347 AcpiOsFree(bufp.Pointer); 1348 out: 1349 return rv; 1350 } 1351 #endif /* ACPI_ACTIVATE_DEV */ 1352 1353 SYSCTL_SETUP(sysctl_acpi_setup, "sysctl hw.acpi subtree setup") 1354 { 1355 const struct sysctlnode *node; 1356 const struct sysctlnode *ssnode; 1357 1358 if (sysctl_createv(clog, 0, NULL, NULL, 1359 CTLFLAG_PERMANENT, 1360 CTLTYPE_NODE, "hw", NULL, 1361 NULL, 0, NULL, 0, 1362 CTL_HW, CTL_EOL) != 0) 1363 return; 1364 1365 if (sysctl_createv(clog, 0, NULL, &node, 1366 CTLFLAG_PERMANENT, 1367 CTLTYPE_NODE, "acpi", NULL, 1368 NULL, 0, NULL, 0, 1369 CTL_HW, CTL_CREATE, CTL_EOL) != 0) 1370 return; 1371 1372 sysctl_createv(NULL, 0, NULL, NULL, CTLFLAG_READONLY, 1373 CTLTYPE_QUAD, "root", 1374 SYSCTL_DESCR("ACPI root pointer"), 1375 NULL, 0, &acpi_root_pointer, sizeof(acpi_root_pointer), 1376 CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL); 1377 sysctl_createv(NULL, 0, NULL, NULL, CTLFLAG_READONLY, 1378 CTLTYPE_STRING, "supported_states", 1379 SYSCTL_DESCR("Supported ACPI system states"), 1380 NULL, 0, acpi_supported_states, 0, 1381 CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL); 1382 1383 /* ACPI sleepstate sysctl */ 1384 if (sysctl_createv(NULL, 0, NULL, &node, 1385 CTLFLAG_PERMANENT, 1386 CTLTYPE_NODE, "machdep", NULL, 1387 NULL, 0, NULL, 0, CTL_MACHDEP, CTL_EOL) != 0) 1388 return; 1389 if (sysctl_createv(NULL, 0, &node, &ssnode, 1390 CTLFLAG_READWRITE, CTLTYPE_INT, "sleep_state", 1391 NULL, sysctl_hw_acpi_sleepstate, 0, NULL, 0, CTL_CREATE, 1392 CTL_EOL) != 0) 1393 return; 1394 } 1395 1396 static int 1397 sysctl_hw_acpi_sleepstate(SYSCTLFN_ARGS) 1398 { 1399 int error, t; 1400 struct sysctlnode node; 1401 1402 node = *rnode; 1403 t = acpi_sleepstate; 1404 node.sysctl_data = &t; 1405 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1406 if (error || newp == NULL) 1407 return error; 1408 1409 if (acpi_softc == NULL) 1410 return ENOSYS; 1411 1412 acpi_enter_sleep_state(acpi_softc, t); 1413 1414 return 0; 1415 } 1416 1417 static ACPI_TABLE_HEADER * 1418 acpi_map_rsdt(void) 1419 { 1420 ACPI_PHYSICAL_ADDRESS paddr; 1421 ACPI_TABLE_RSDP *rsdp; 1422 1423 paddr = AcpiOsGetRootPointer(); 1424 if (paddr == 0) { 1425 printf("ACPI: couldn't get root pointer\n"); 1426 return NULL; 1427 } 1428 rsdp = AcpiOsMapMemory(paddr, sizeof(ACPI_TABLE_RSDP)); 1429 if (rsdp == NULL) { 1430 printf("ACPI: couldn't map RSDP\n"); 1431 return NULL; 1432 } 1433 if (rsdp->Revision > 1 && rsdp->XsdtPhysicalAddress) 1434 paddr = (ACPI_PHYSICAL_ADDRESS)rsdp->XsdtPhysicalAddress; 1435 else 1436 paddr = (ACPI_PHYSICAL_ADDRESS)rsdp->RsdtPhysicalAddress; 1437 AcpiOsUnmapMemory(rsdp, sizeof(ACPI_TABLE_RSDP)); 1438 1439 return AcpiOsMapMemory(paddr, sizeof(ACPI_TABLE_HEADER)); 1440 } 1441 1442 static void 1443 acpi_unmap_rsdt(ACPI_TABLE_HEADER *rsdt) 1444 { 1445 if (rsdt == NULL) 1446 return; 1447 1448 AcpiOsUnmapMemory(rsdt, sizeof(ACPI_TABLE_HEADER)); 1449 } 1450
Indexes created Wed Oct 01 19:09:53 GMT 2025