acpi.c revision 1.113
1 /* $NetBSD: acpi.c,v 1.113 2008/03/27 02:51:26 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 1.113 2008/03/27 02:51:26 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(device_t, struct cfdata *, void *); 128 static void acpi_attach(device_t, device_t, void *); 129 static void acpi_childdet(device_t, device_t); 130 131 static int acpi_print(void *aux, const char *); 132 133 static int sysctl_hw_acpi_sleepstate(SYSCTLFN_ARGS); 134 135 extern struct cfdriver acpi_cd; 136 137 CFATTACH_DECL2_NEW(acpi, sizeof(struct acpi_softc), 138 acpi_match, acpi_attach, NULL, NULL, NULL, acpi_childdet); 139 140 /* 141 * This is a flag we set when the ACPI subsystem is active. Machine 142 * dependent code may wish to skip other steps (such as attaching 143 * subsystems that ACPI supercedes) when ACPI is active. 144 */ 145 int acpi_active; 146 int acpi_force_load; 147 148 /* 149 * Pointer to the ACPI subsystem's state. There can be only 150 * one ACPI instance. 151 */ 152 struct acpi_softc *acpi_softc; 153 154 /* 155 * Locking stuff. 156 */ 157 static kmutex_t acpi_slock; 158 static int acpi_locked; 159 extern kmutex_t acpi_interrupt_list_mtx; 160 161 /* 162 * sysctl-related information 163 */ 164 165 static uint64_t acpi_root_pointer; /* found as hw.acpi.root */ 166 static int acpi_sleepstate = ACPI_STATE_S0; 167 static char acpi_supported_states[3 * 6 + 1] = "";; 168 169 /* 170 * Prototypes. 171 */ 172 static void acpi_build_tree(struct acpi_softc *); 173 static ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **); 174 175 static void acpi_enable_fixed_events(struct acpi_softc *); 176 177 static ACPI_TABLE_HEADER *acpi_map_rsdt(void); 178 static void acpi_unmap_rsdt(ACPI_TABLE_HEADER *); 179 static int is_available_state(struct acpi_softc *, int); 180 181 /* 182 * acpi_probe: 183 * 184 * Probe for ACPI support. This is called by the 185 * machine-dependent ACPI front-end. All of the 186 * actual work is done by ACPICA. 187 * 188 * NOTE: This is not an autoconfiguration interface function. 189 */ 190 int 191 acpi_probe(void) 192 { 193 static int beenhere; 194 ACPI_TABLE_HEADER *rsdt; 195 ACPI_STATUS rv; 196 197 if (beenhere != 0) 198 panic("acpi_probe: ACPI has already been probed"); 199 beenhere = 1; 200 201 mutex_init(&acpi_slock, MUTEX_DEFAULT, IPL_NONE); 202 mutex_init(&acpi_interrupt_list_mtx, MUTEX_DEFAULT, IPL_NONE); 203 acpi_locked = 0; 204 205 /* 206 * Start up ACPICA. 207 */ 208 #ifdef ACPI_DEBUGGER 209 if (acpi_dbgr & ACPI_DBGR_INIT) 210 acpi_osd_debugger(); 211 #endif 212 213 AcpiGbl_AllMethodsSerialized = FALSE; 214 AcpiGbl_EnableInterpreterSlack = TRUE; 215 216 rv = AcpiInitializeSubsystem(); 217 if (ACPI_FAILURE(rv)) { 218 printf("ACPI: unable to initialize ACPICA: %s\n", 219 AcpiFormatException(rv)); 220 return 0; 221 } 222 223 rv = AcpiInitializeTables(acpi_initial_tables, 128, 0); 224 if (ACPI_FAILURE(rv)) { 225 printf("ACPI: unable to initialize ACPI tables: %s\n", 226 AcpiFormatException(rv)); 227 return 0; 228 } 229 230 rv = AcpiReallocateRootTable(); 231 if (ACPI_FAILURE(rv)) { 232 printf("ACPI: unable to reallocate root table: %s\n", 233 AcpiFormatException(rv)); 234 return 0; 235 } 236 237 #ifdef ACPI_DEBUGGER 238 if (acpi_dbgr & ACPI_DBGR_TABLES) 239 acpi_osd_debugger(); 240 #endif 241 242 rv = AcpiLoadTables(); 243 if (ACPI_FAILURE(rv)) { 244 printf("ACPI: unable to load tables: %s\n", 245 AcpiFormatException(rv)); 246 return 0; 247 } 248 249 rsdt = acpi_map_rsdt(); 250 if (rsdt == NULL) { 251 printf("ACPI: unable to map RSDT\n"); 252 return 0; 253 } 254 255 if (!acpi_force_load && (acpi_find_quirks() & ACPI_QUIRK_BROKEN)) { 256 printf("ACPI: BIOS implementation in listed as broken:\n"); 257 printf("ACPI: X/RSDT: OemId <%6.6s,%8.8s,%08x>, " 258 "AslId <%4.4s,%08x>\n", 259 rsdt->OemId, rsdt->OemTableId, 260 rsdt->OemRevision, 261 rsdt->AslCompilerId, 262 rsdt->AslCompilerRevision); 263 printf("ACPI: not used. set acpi_force_load to use anyway.\n"); 264 acpi_unmap_rsdt(rsdt); 265 return 0; 266 } 267 268 acpi_unmap_rsdt(rsdt); 269 270 #if notyet 271 /* Install the default address space handlers. */ 272 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 273 ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_DEFAULT_HANDLER, NULL, NULL); 274 if (ACPI_FAILURE(rv)) { 275 printf("ACPI: unable to initialise SystemMemory handler: %s\n", 276 AcpiFormatException(rv)); 277 return 0; 278 } 279 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 280 ACPI_ADR_SPACE_SYSTEM_IO, ACPI_DEFAULT_HANDLER, NULL, NULL); 281 if (ACPI_FAILURE(rv)) { 282 printf("ACPI: unable to initialise SystemIO handler: %s\n", 283 AcpiFormatException(rv)); 284 return 0; 285 } 286 rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, 287 ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); 288 if (ACPI_FAILURE(rv)) { 289 printf("ACPI: unabled to initialise PciConfig handler: %s\n", 290 AcpiFormatException(rv)); 291 return 0; 292 } 293 #endif 294 295 rv = AcpiEnableSubsystem(~(ACPI_NO_HARDWARE_INIT|ACPI_NO_ACPI_ENABLE)); 296 if (ACPI_FAILURE(rv)) { 297 printf("ACPI: unable to enable: %s\n", AcpiFormatException(rv)); 298 return 0; 299 } 300 301 /* 302 * Looks like we have ACPI! 303 */ 304 305 return 1; 306 } 307 308 static int 309 acpi_submatch(device_t parent, cfdata_t cf, const int *locs, void *aux) 310 { 311 struct cfattach *ca; 312 313 ca = config_cfattach_lookup(cf->cf_name, cf->cf_atname); 314 return (ca == &acpi_ca); 315 } 316 317 int 318 acpi_check(device_t parent, const char *ifattr) 319 { 320 return (config_search_ia(acpi_submatch, parent, ifattr, NULL) != NULL); 321 } 322 323 ACPI_PHYSICAL_ADDRESS 324 acpi_OsGetRootPointer(void) 325 { 326 ACPI_PHYSICAL_ADDRESS PhysicalAddress; 327 328 /* 329 * IA-32: Use AcpiFindRootPointer() to locate the RSDP. 330 * 331 * IA-64: Use the EFI. 332 * 333 * We let MD code handle this since there are multiple 334 * ways to do it. 335 */ 336 337 PhysicalAddress = acpi_md_OsGetRootPointer(); 338 339 if (acpi_root_pointer == 0) 340 acpi_root_pointer = PhysicalAddress; 341 342 return PhysicalAddress; 343 } 344 345 /* 346 * acpi_match: 347 * 348 * Autoconfiguration `match' routine. 349 */ 350 static int 351 acpi_match(device_t parent, struct cfdata *match, 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 /* Remove references to child devices. 363 * 364 * XXX Need to reclaim any resources? 365 */ 366 static void 367 acpi_childdet(device_t self, device_t child) 368 { 369 struct acpi_softc *sc = device_private(self); 370 struct acpi_scope *as; 371 struct acpi_devnode *ad; 372 373 TAILQ_FOREACH(as, &sc->sc_scopes, as_list) { 374 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 375 if (ad->ad_device == child) 376 ad->ad_device = NULL; 377 } 378 } 379 } 380 381 /* 382 * acpi_attach: 383 * 384 * Autoconfiguration `attach' routine. Finish initializing 385 * ACPICA (some initialization was done in acpi_probe(), 386 * which was required to check for the presence of ACPI), 387 * and enable the ACPI subsystem. 388 */ 389 static void 390 acpi_attach(device_t parent, device_t self, void *aux) 391 { 392 struct acpi_softc *sc = device_private(self); 393 struct acpibus_attach_args *aa = aux; 394 ACPI_STATUS rv; 395 ACPI_TABLE_HEADER *rsdt; 396 397 aprint_naive(": Advanced Configuration and Power Interface\n"); 398 aprint_normal(": Advanced Configuration and Power Interface\n"); 399 400 if (acpi_softc != NULL) 401 panic("acpi_attach: ACPI has already been attached"); 402 403 sysmon_power_settype("acpi"); 404 405 aprint_verbose_dev(self, 406 "using Intel ACPI CA subsystem version %08x\n", ACPI_CA_VERSION); 407 408 rsdt = acpi_map_rsdt(); 409 if (rsdt) { 410 aprint_verbose_dev( 411 self, 412 "X/RSDT: OemId <%6.6s,%8.8s,%08x>, AslId <%4.4s,%08x>\n", 413 rsdt->OemId, rsdt->OemTableId, 414 rsdt->OemRevision, 415 rsdt->AslCompilerId, rsdt->AslCompilerRevision); 416 } else 417 aprint_error_dev(self, "X/RSDT: Not found\n"); 418 acpi_unmap_rsdt(rsdt); 419 420 sc->sc_dev = self; 421 sc->sc_quirks = acpi_find_quirks(); 422 423 sc->sc_iot = aa->aa_iot; 424 sc->sc_memt = aa->aa_memt; 425 sc->sc_pc = aa->aa_pc; 426 sc->sc_pciflags = aa->aa_pciflags; 427 sc->sc_ic = aa->aa_ic; 428 429 acpi_softc = sc; 430 431 /* 432 * Register null power management handler 433 */ 434 if (!pmf_device_register(self, NULL, NULL)) 435 aprint_error_dev(self, "couldn't establish power handler\n"); 436 437 /* 438 * Bring ACPI on-line. 439 */ 440 #ifdef ACPI_DEBUGGER 441 if (acpi_dbgr & ACPI_DBGR_ENABLE) 442 acpi_osd_debugger(); 443 #endif 444 445 #define ACPI_ENABLE_PHASE1 \ 446 (ACPI_NO_HANDLER_INIT | ACPI_NO_EVENT_INIT) 447 #define ACPI_ENABLE_PHASE2 \ 448 (ACPI_NO_HARDWARE_INIT | ACPI_NO_ACPI_ENABLE | \ 449 ACPI_NO_ADDRESS_SPACE_INIT) 450 451 rv = AcpiEnableSubsystem(ACPI_ENABLE_PHASE1); 452 if (ACPI_FAILURE(rv)) { 453 aprint_error_dev(self, "unable to enable ACPI: %s\n", 454 AcpiFormatException(rv)); 455 return; 456 } 457 458 acpi_md_callback(); 459 460 rv = AcpiEnableSubsystem(ACPI_ENABLE_PHASE2); 461 if (ACPI_FAILURE(rv)) { 462 aprint_error_dev(self, "unable to enable ACPI: %s\n", 463 AcpiFormatException(rv)); 464 return; 465 } 466 467 /* early EC handler initialization if ECDT table is available */ 468 config_found_ia(self, "acpiecdtbus", NULL, NULL); 469 470 rv = AcpiInitializeObjects(ACPI_FULL_INITIALIZATION); 471 if (ACPI_FAILURE(rv)) { 472 aprint_error_dev(self, 473 "unable to initialize ACPI objects: %s\n", 474 AcpiFormatException(rv)); 475 return; 476 } 477 acpi_active = 1; 478 479 /* Our current state is "awake". */ 480 sc->sc_sleepstate = ACPI_STATE_S0; 481 482 /* Show SCI interrupt. */ 483 aprint_verbose_dev(self, "SCI interrupting at int %d\n", 484 AcpiGbl_FADT.SciInterrupt); 485 486 /* 487 * Check for fixed-hardware features. 488 */ 489 acpi_enable_fixed_events(sc); 490 acpitimer_init(); 491 492 /* 493 * Scan the namespace and build our device tree. 494 */ 495 #ifdef ACPI_DEBUGGER 496 if (acpi_dbgr & ACPI_DBGR_PROBE) 497 acpi_osd_debugger(); 498 #endif 499 acpi_build_tree(sc); 500 501 sprintf(acpi_supported_states, "%s%s%s%s%s%s", 502 is_available_state(sc, ACPI_STATE_S0) ? "S0 " : "", 503 is_available_state(sc, ACPI_STATE_S1) ? "S1 " : "", 504 is_available_state(sc, ACPI_STATE_S2) ? "S2 " : "", 505 is_available_state(sc, ACPI_STATE_S3) ? "S3 " : "", 506 is_available_state(sc, ACPI_STATE_S4) ? "S4 " : "", 507 is_available_state(sc, ACPI_STATE_S5) ? "S5 " : ""); 508 509 #ifdef ACPI_DEBUGGER 510 if (acpi_dbgr & ACPI_DBGR_RUNNING) 511 acpi_osd_debugger(); 512 #endif 513 } 514 515 #if 0 516 /* 517 * acpi_disable: 518 * 519 * Disable ACPI. 520 */ 521 static ACPI_STATUS 522 acpi_disable(struct acpi_softc *sc) 523 { 524 ACPI_STATUS rv = AE_OK; 525 526 if (acpi_active) { 527 rv = AcpiDisable(); 528 if (ACPI_SUCCESS(rv)) 529 acpi_active = 0; 530 } 531 return rv; 532 } 533 #endif 534 535 struct acpi_make_devnode_state { 536 struct acpi_softc *softc; 537 struct acpi_scope *scope; 538 }; 539 540 /* 541 * acpi_build_tree: 542 * 543 * Scan relevant portions of the ACPI namespace and attach 544 * child devices. 545 */ 546 static void 547 acpi_build_tree(struct acpi_softc *sc) 548 { 549 static const char *scopes[] = { 550 "\\_PR_", /* ACPI 1.0 processor namespace */ 551 "\\_SB_", /* system bus namespace */ 552 "\\_SI_", /* system indicator namespace */ 553 "\\_TZ_", /* ACPI 1.0 thermal zone namespace */ 554 NULL, 555 }; 556 struct acpi_attach_args aa; 557 struct acpi_make_devnode_state state; 558 struct acpi_scope *as; 559 struct acpi_devnode *ad; 560 ACPI_HANDLE parent; 561 ACPI_STATUS rv; 562 int i; 563 564 TAILQ_INIT(&sc->sc_scopes); 565 566 state.softc = sc; 567 568 /* 569 * Scan the namespace and build our tree. 570 */ 571 for (i = 0; scopes[i] != NULL; i++) { 572 as = malloc(sizeof(*as), M_ACPI, M_WAITOK); 573 as->as_name = scopes[i]; 574 TAILQ_INIT(&as->as_devnodes); 575 576 TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list); 577 578 state.scope = as; 579 580 rv = AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], 581 &parent); 582 if (ACPI_SUCCESS(rv)) { 583 AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, 584 acpi_make_devnode, &state, NULL); 585 } 586 587 /* Now, for this namespace, try and attach the devices. */ 588 TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) { 589 aa.aa_node = ad; 590 aa.aa_iot = sc->sc_iot; 591 aa.aa_memt = sc->sc_memt; 592 aa.aa_pc = sc->sc_pc; 593 aa.aa_pciflags = sc->sc_pciflags; 594 aa.aa_ic = sc->sc_ic; 595 596 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE) { 597 /* 598 * XXX We only attach devices which are: 599 * 600 * - present 601 * - enabled 602 * - functioning properly 603 * 604 * However, if enabled, it's decoding resources, 605 * so we should claim them, if possible. 606 * Requires changes to bus_space(9). 607 */ 608 if ((ad->ad_devinfo->Valid & ACPI_VALID_STA) == 609 ACPI_VALID_STA && 610 (ad->ad_devinfo->CurrentStatus & 611 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 612 ACPI_STA_DEV_OK)) != 613 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED| 614 ACPI_STA_DEV_OK)) 615 continue; 616 } 617 618 /* 619 * XXX Same problem as above... 620 * 621 * Do this check only for devices, as e.g. 622 * a Thermal Zone doesn't have a HID. 623 */ 624 if (ad->ad_devinfo->Type == ACPI_TYPE_DEVICE && 625 (ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 626 continue; 627 628 ad->ad_device = config_found_ia(sc->sc_dev, 629 "acpinodebus", &aa, acpi_print); 630 } 631 } 632 config_found_ia(sc->sc_dev, "acpiapmbus", NULL, NULL); 633 } 634 635 #ifdef ACPI_ACTIVATE_DEV 636 static void 637 acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO **di) 638 { 639 ACPI_STATUS rv; 640 ACPI_BUFFER buf; 641 642 buf.Pointer = NULL; 643 buf.Length = ACPI_ALLOCATE_BUFFER; 644 645 #ifdef ACPI_DEBUG 646 aprint_normal("acpi_activate_device: %s, old status=%x\n", 647 (*di)->HardwareId.Value, (*di)->CurrentStatus); 648 #endif 649 650 rv = acpi_allocate_resources(handle); 651 if (ACPI_FAILURE(rv)) { 652 aprint_error("acpi: activate failed for %s\n", 653 (*di)->HardwareId.Value); 654 } else { 655 aprint_verbose("acpi: activated %s\n", 656 (*di)->HardwareId.Value); 657 } 658 659 (void)AcpiGetObjectInfo(handle, &buf); 660 AcpiOsFree(*di); 661 *di = buf.Pointer; 662 663 #ifdef ACPI_DEBUG 664 aprint_normal("acpi_activate_device: %s, new status=%x\n", 665 (*di)->HardwareId.Value, (*di)->CurrentStatus); 666 #endif 667 } 668 #endif /* ACPI_ACTIVATE_DEV */ 669 670 /* 671 * acpi_make_devnode: 672 * 673 * Make an ACPI devnode. 674 */ 675 static ACPI_STATUS 676 acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context, 677 void **status) 678 { 679 struct acpi_make_devnode_state *state = context; 680 #if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG) 681 struct acpi_softc *sc = state->softc; 682 #endif 683 struct acpi_scope *as = state->scope; 684 struct acpi_devnode *ad; 685 ACPI_OBJECT_TYPE type; 686 ACPI_BUFFER buf; 687 ACPI_DEVICE_INFO *devinfo; 688 ACPI_STATUS rv; 689 ACPI_NAME_UNION *anu; 690 int i, clear = 0; 691 692 rv = AcpiGetType(handle, &type); 693 if (ACPI_SUCCESS(rv)) { 694 buf.Pointer = NULL; 695 buf.Length = ACPI_ALLOCATE_BUFFER; 696 rv = AcpiGetObjectInfo(handle, &buf); 697 if (ACPI_FAILURE(rv)) { 698 #ifdef ACPI_DEBUG 699 aprint_normal_dev(sc->sc_dev, 700 "AcpiGetObjectInfo failed: %s\n", 701 AcpiFormatException(rv)); 702 #endif 703 goto out; /* XXX why return OK */ 704 } 705 706 devinfo = buf.Pointer; 707 708 switch (type) { 709 case ACPI_TYPE_DEVICE: 710 #ifdef ACPI_ACTIVATE_DEV 711 if ((devinfo->Valid & (ACPI_VALID_STA|ACPI_VALID_HID)) == 712 (ACPI_VALID_STA|ACPI_VALID_HID) && 713 (devinfo->CurrentStatus & 714 (ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) == 715 ACPI_STA_DEV_PRESENT) 716 acpi_activate_device(handle, &devinfo); 717 718 /* FALLTHROUGH */ 719 #endif 720 721 case ACPI_TYPE_PROCESSOR: 722 case ACPI_TYPE_THERMAL: 723 case ACPI_TYPE_POWER: 724 ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO); 725 if (ad == NULL) 726 return AE_NO_MEMORY; 727 728 ad->ad_devinfo = devinfo; 729 ad->ad_handle = handle; 730 ad->ad_level = level; 731 ad->ad_scope = as; 732 ad->ad_type = type; 733 734 anu = (ACPI_NAME_UNION *)&devinfo->Name; 735 ad->ad_name[4] = '\0'; 736 for (i = 3, clear = 0; i >= 0; i--) { 737 if (!clear && anu->Ascii[i] == '_') 738 ad->ad_name[i] = '\0'; 739 else { 740 ad->ad_name[i] = anu->Ascii[i]; 741 clear = 1; 742 } 743 } 744 if (ad->ad_name[0] == '\0') 745 ad->ad_name[0] = '_'; 746 747 TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list); 748 749 if (type == ACPI_TYPE_DEVICE && 750 (ad->ad_devinfo->Valid & ACPI_VALID_HID) == 0) 751 goto out; 752 753 #ifdef ACPI_EXTRA_DEBUG 754 aprint_normal_dev(sc->sc_dev, 755 "HID %s found in scope %s level %d\n", 756 ad->ad_devinfo->HardwareId.Value, 757 as->as_name, ad->ad_level); 758 if (ad->ad_devinfo->Valid & ACPI_VALID_UID) 759 aprint_normal(" UID %s\n", 760 ad->ad_devinfo->UniqueId.Value); 761 if (ad->ad_devinfo->Valid & ACPI_VALID_ADR) 762 aprint_normal(" ADR 0x%016qx\n", 763 ad->ad_devinfo->Address); 764 if (ad->ad_devinfo->Valid & ACPI_VALID_STA) 765 aprint_normal(" STA 0x%08x\n", 766 ad->ad_devinfo->CurrentStatus); 767 #endif 768 } 769 } 770 out: 771 return AE_OK; 772 } 773 774 /* 775 * acpi_print: 776 * 777 * Autoconfiguration print routine for ACPI node bus. 778 */ 779 static int 780 acpi_print(void *aux, const char *pnp) 781 { 782 struct acpi_attach_args *aa = aux; 783 ACPI_STATUS rv; 784 785 if (pnp) { 786 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 787 char *pnpstr = 788 aa->aa_node->ad_devinfo->HardwareId.Value; 789 char *str; 790 791 aprint_normal("%s (%s) ", aa->aa_node->ad_name, 792 pnpstr); 793 rv = acpi_eval_string(aa->aa_node->ad_handle, 794 "_STR", &str); 795 if (ACPI_SUCCESS(rv)) { 796 aprint_normal("[%s] ", str); 797 AcpiOsFree(str); 798 } 799 #ifdef ACPIVERBOSE 800 else { 801 int i; 802 803 for (i = 0; i < sizeof(acpi_knowndevs) / 804 sizeof(acpi_knowndevs[0]); i++) { 805 if (strcmp(acpi_knowndevs[i].pnp, 806 pnpstr) == 0) { 807 aprint_normal("[%s] ", 808 acpi_knowndevs[i].str); 809 } 810 } 811 } 812 813 #endif 814 aprint_normal("at %s", pnp); 815 } else if (aa->aa_node->ad_devinfo->Type != ACPI_TYPE_DEVICE) { 816 aprint_normal("%s (ACPI Object Type '%s' " 817 "[0x%02x]) ", aa->aa_node->ad_name, 818 AcpiUtGetTypeName(aa->aa_node->ad_devinfo->Type), 819 aa->aa_node->ad_devinfo->Type); 820 aprint_normal("at %s", pnp); 821 } else 822 return 0; 823 } else { 824 aprint_normal(" (%s", aa->aa_node->ad_name); 825 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) { 826 aprint_normal(", %s", aa->aa_node->ad_devinfo->HardwareId.Value); 827 if (aa->aa_node->ad_devinfo->Valid & ACPI_VALID_UID) { 828 const char *uid; 829 830 uid = aa->aa_node->ad_devinfo->UniqueId.Value; 831 if (uid[0] == '\0') 832 uid = "<null>"; 833 aprint_normal("-%s", uid); 834 } 835 } 836 aprint_normal(")"); 837 } 838 839 return UNCONF; 840 } 841 842 /***************************************************************************** 843 * ACPI fixed-hardware feature handlers 844 *****************************************************************************/ 845 846 static UINT32 acpi_fixed_button_handler(void *); 847 static void acpi_fixed_button_pressed(void *); 848 849 /* 850 * acpi_enable_fixed_events: 851 * 852 * Enable any fixed-hardware feature handlers. 853 */ 854 static void 855 acpi_enable_fixed_events(struct acpi_softc *sc) 856 { 857 static int beenhere; 858 ACPI_STATUS rv; 859 860 KASSERT(beenhere == 0); 861 beenhere = 1; 862 863 /* 864 * Check for fixed-hardware buttons. 865 */ 866 867 if ((AcpiGbl_FADT.Flags & ACPI_FADT_POWER_BUTTON) == 0) { 868 aprint_verbose_dev(sc->sc_dev, 869 "fixed-feature power button present\n"); 870 sc->sc_smpsw_power.smpsw_name = device_xname(sc->sc_dev); 871 sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER; 872 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 873 aprint_error_dev(sc->sc_dev, 874 "unable to register fixed power " 875 "button with sysmon\n"); 876 } else { 877 rv = AcpiInstallFixedEventHandler( 878 ACPI_EVENT_POWER_BUTTON, 879 acpi_fixed_button_handler, &sc->sc_smpsw_power); 880 if (ACPI_FAILURE(rv)) { 881 aprint_error_dev(sc->sc_dev, 882 "unable to install handler " 883 "for fixed power button: %s\n", 884 AcpiFormatException(rv)); 885 } 886 } 887 } 888 889 if ((AcpiGbl_FADT.Flags & ACPI_FADT_SLEEP_BUTTON) == 0) { 890 aprint_verbose_dev(sc->sc_dev, 891 "fixed-feature sleep button present\n"); 892 sc->sc_smpsw_sleep.smpsw_name = device_xname(sc->sc_dev); 893 sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP; 894 if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) { 895 aprint_error_dev(sc->sc_dev, 896 "unable to register fixed sleep " 897 "button with sysmon\n"); 898 } else { 899 rv = AcpiInstallFixedEventHandler( 900 ACPI_EVENT_SLEEP_BUTTON, 901 acpi_fixed_button_handler, &sc->sc_smpsw_sleep); 902 if (ACPI_FAILURE(rv)) { 903 aprint_error_dev(sc->sc_dev, 904 "unable to install handler " 905 "for fixed sleep button: %s\n", 906 AcpiFormatException(rv)); 907 } 908 } 909 } 910 } 911 912 /* 913 * acpi_fixed_button_handler: 914 * 915 * Event handler for the fixed buttons. 916 */ 917 static UINT32 918 acpi_fixed_button_handler(void *context) 919 { 920 struct sysmon_pswitch *smpsw = context; 921 int rv; 922 923 #ifdef ACPI_BUT_DEBUG 924 printf("%s: fixed button handler\n", smpsw->smpsw_name); 925 #endif 926 927 rv = AcpiOsExecute(OSL_NOTIFY_HANDLER, 928 acpi_fixed_button_pressed, smpsw); 929 if (ACPI_FAILURE(rv)) 930 printf("%s: WARNING: unable to queue fixed button pressed " 931 "callback: %s\n", smpsw->smpsw_name, 932 AcpiFormatException(rv)); 933 934 return ACPI_INTERRUPT_HANDLED; 935 } 936 937 /* 938 * acpi_fixed_button_pressed: 939 * 940 * Deal with a fixed button being pressed. 941 */ 942 static void 943 acpi_fixed_button_pressed(void *context) 944 { 945 struct sysmon_pswitch *smpsw = context; 946 947 #ifdef ACPI_BUT_DEBUG 948 printf("%s: fixed button pressed, calling sysmon\n", 949 smpsw->smpsw_name); 950 #endif 951 952 sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED); 953 } 954 955 /***************************************************************************** 956 * ACPI utility routines. 957 *****************************************************************************/ 958 959 /* 960 * acpi_eval_integer: 961 * 962 * Evaluate an integer object. 963 */ 964 ACPI_STATUS 965 acpi_eval_integer(ACPI_HANDLE handle, const char *path, ACPI_INTEGER *valp) 966 { 967 ACPI_STATUS rv; 968 ACPI_BUFFER buf; 969 ACPI_OBJECT param; 970 971 if (handle == NULL) 972 handle = ACPI_ROOT_OBJECT; 973 974 buf.Pointer = ¶m; 975 buf.Length = sizeof(param); 976 977 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_INTEGER); 978 if (ACPI_SUCCESS(rv)) 979 *valp = param.Integer.Value; 980 981 return rv; 982 } 983 984 /* 985 * acpi_eval_string: 986 * 987 * Evaluate a (Unicode) string object. 988 */ 989 ACPI_STATUS 990 acpi_eval_string(ACPI_HANDLE handle, const char *path, char **stringp) 991 { 992 ACPI_STATUS rv; 993 ACPI_BUFFER buf; 994 995 if (handle == NULL) 996 handle = ACPI_ROOT_OBJECT; 997 998 buf.Pointer = NULL; 999 buf.Length = ACPI_ALLOCATE_BUFFER; 1000 1001 rv = AcpiEvaluateObjectTyped(handle, path, NULL, &buf, ACPI_TYPE_STRING); 1002 if (ACPI_SUCCESS(rv)) { 1003 ACPI_OBJECT *param = buf.Pointer; 1004 const char *ptr = param->String.Pointer; 1005 size_t len = param->String.Length; 1006 if ((*stringp = AcpiOsAllocate(len)) == NULL) 1007 rv = AE_NO_MEMORY; 1008 else 1009 (void)memcpy(*stringp, ptr, len); 1010 AcpiOsFree(param); 1011 } 1012 1013 return rv; 1014 } 1015 1016 1017 /* 1018 * acpi_eval_struct: 1019 * 1020 * Evaluate a more complex structure. 1021 * Caller must free buf.Pointer by AcpiOsFree(). 1022 */ 1023 ACPI_STATUS 1024 acpi_eval_struct(ACPI_HANDLE handle, const char *path, ACPI_BUFFER *bufp) 1025 { 1026 ACPI_STATUS rv; 1027 1028 if (handle == NULL) 1029 handle = ACPI_ROOT_OBJECT; 1030 1031 bufp->Pointer = NULL; 1032 bufp->Length = ACPI_ALLOCATE_BUFFER; 1033 1034 rv = AcpiEvaluateObject(handle, path, NULL, bufp); 1035 1036 return rv; 1037 } 1038 1039 /* 1040 * acpi_foreach_package_object: 1041 * 1042 * Iterate over all objects in a in a packages and pass then all 1043 * to a function. If the called function returns non AE_OK, the 1044 * iteration is stopped and that value is returned. 1045 */ 1046 1047 ACPI_STATUS 1048 acpi_foreach_package_object(ACPI_OBJECT *pkg, 1049 ACPI_STATUS (*func)(ACPI_OBJECT *, void *), 1050 void *arg) 1051 { 1052 ACPI_STATUS rv = AE_OK; 1053 int i; 1054 1055 if (pkg == NULL || pkg->Type != ACPI_TYPE_PACKAGE) 1056 return AE_BAD_PARAMETER; 1057 1058 for (i = 0; i < pkg->Package.Count; i++) { 1059 rv = (*func)(&pkg->Package.Elements[i], arg); 1060 if (ACPI_FAILURE(rv)) 1061 break; 1062 } 1063 1064 return rv; 1065 } 1066 1067 const char * 1068 acpi_name(ACPI_HANDLE handle) 1069 { 1070 static char buffer[80]; 1071 ACPI_BUFFER buf; 1072 ACPI_STATUS rv; 1073 1074 buf.Length = sizeof(buffer); 1075 buf.Pointer = buffer; 1076 1077 rv = AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf); 1078 if (ACPI_FAILURE(rv)) 1079 return "(unknown acpi path)"; 1080 return buffer; 1081 } 1082 1083 /* 1084 * acpi_get: 1085 * 1086 * Fetch data info the specified (empty) ACPI buffer. 1087 * Caller must free buf.Pointer by AcpiOsFree(). 1088 */ 1089 ACPI_STATUS 1090 acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf, 1091 ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *)) 1092 { 1093 buf->Pointer = NULL; 1094 buf->Length = ACPI_ALLOCATE_BUFFER; 1095 1096 return (*getit)(handle, buf); 1097 } 1098 1099 1100 /* 1101 * acpi_match_hid 1102 * 1103 * Match given ids against _HID and _CIDs 1104 */ 1105 int 1106 acpi_match_hid(ACPI_DEVICE_INFO *ad, const char * const *ids) 1107 { 1108 int i; 1109 1110 while (*ids) { 1111 if (ad->Valid & ACPI_VALID_HID) { 1112 if (pmatch(ad->HardwareId.Value, *ids, NULL) == 2) 1113 return 1; 1114 } 1115 1116 if (ad->Valid & ACPI_VALID_CID) { 1117 for (i = 0; i < ad->CompatibilityId.Count; i++) { 1118 if (pmatch(ad->CompatibilityId.Id[i].Value, *ids, NULL) == 2) 1119 return 1; 1120 } 1121 } 1122 ids++; 1123 } 1124 1125 return 0; 1126 } 1127 1128 /* 1129 * acpi_set_wake_gpe 1130 * 1131 * Set GPE as both Runtime and Wake 1132 */ 1133 void 1134 acpi_set_wake_gpe(ACPI_HANDLE handle) 1135 { 1136 ACPI_BUFFER buf; 1137 ACPI_STATUS rv; 1138 ACPI_OBJECT *p, *elt; 1139 1140 rv = acpi_eval_struct(handle, METHOD_NAME__PRW, &buf); 1141 if (ACPI_FAILURE(rv)) 1142 return; /* just ignore */ 1143 1144 p = buf.Pointer; 1145 if (p->Type != ACPI_TYPE_PACKAGE || p->Package.Count < 2) 1146 goto out; /* just ignore */ 1147 1148 elt = p->Package.Elements; 1149 1150 /* TBD: package support */ 1151 AcpiSetGpeType(NULL, elt[0].Integer.Value, ACPI_GPE_TYPE_WAKE_RUN); 1152 AcpiEnableGpe(NULL, elt[0].Integer.Value, ACPI_NOT_ISR); 1153 1154 out: 1155 AcpiOsFree(buf.Pointer); 1156 } 1157 1158 1159 /***************************************************************************** 1160 * ACPI sleep support. 1161 *****************************************************************************/ 1162 1163 static int 1164 is_available_state(struct acpi_softc *sc, int state) 1165 { 1166 UINT8 type_a, type_b; 1167 1168 return ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state, 1169 &type_a, &type_b)); 1170 } 1171 1172 /* 1173 * acpi_enter_sleep_state: 1174 * 1175 * enter to the specified sleep state. 1176 */ 1177 1178 ACPI_STATUS 1179 acpi_enter_sleep_state(struct acpi_softc *sc, int state) 1180 { 1181 int err; 1182 ACPI_STATUS ret = AE_OK; 1183 1184 if (state == acpi_sleepstate) 1185 return AE_OK; 1186 1187 aprint_normal_dev(sc->sc_dev, "entering state %d\n", state); 1188 1189 switch (state) { 1190 case ACPI_STATE_S0: 1191 break; 1192 case ACPI_STATE_S1: 1193 case ACPI_STATE_S2: 1194 case ACPI_STATE_S3: 1195 case ACPI_STATE_S4: 1196 if (!is_available_state(sc, state)) { 1197 aprint_error_dev(sc->sc_dev, 1198 "cannot enter the sleep state (%d)\n", state); 1199 break; 1200 } 1201 1202 if (state != ACPI_STATE_S1 && !pmf_system_suspend(PMF_F_NONE)) { 1203 aprint_error_dev(sc->sc_dev, "aborting suspend\n"); 1204 break; 1205 } 1206 1207 ret = AcpiEnterSleepStatePrep(state); 1208 if (ACPI_FAILURE(ret)) { 1209 aprint_error_dev(sc->sc_dev, 1210 "failed preparing to sleep (%s)\n", 1211 AcpiFormatException(ret)); 1212 break; 1213 } 1214 1215 acpi_sleepstate = state; 1216 if (state == ACPI_STATE_S1) { 1217 /* just enter the state */ 1218 acpi_md_OsDisableInterrupt(); 1219 AcpiEnterSleepState((UINT8)state); 1220 AcpiLeaveSleepState((UINT8)state); 1221 } else { 1222 err = acpi_md_sleep(state); 1223 if (state == ACPI_STATE_S4) 1224 AcpiEnable(); 1225 pmf_system_bus_resume(PMF_F_NONE); 1226 AcpiLeaveSleepState((UINT8)state); 1227 pmf_system_resume(PMF_F_NONE); 1228 } 1229 1230 break; 1231 case ACPI_STATE_S5: 1232 ret = AcpiEnterSleepStatePrep(ACPI_STATE_S5); 1233 if (ACPI_FAILURE(ret)) { 1234 aprint_error_dev(sc->sc_dev, 1235 "failed preparing to sleep (%s)\n", 1236 AcpiFormatException(ret)); 1237 break; 1238 } 1239 DELAY(1000000); 1240 acpi_sleepstate = state; 1241 acpi_md_OsDisableInterrupt(); 1242 AcpiEnterSleepState(ACPI_STATE_S5); 1243 aprint_error_dev(sc->sc_dev, "WARNING powerdown failed!\n"); 1244 break; 1245 } 1246 1247 acpi_sleepstate = ACPI_STATE_S0; 1248 return ret; 1249 } 1250 1251 #if defined(ACPI_ACTIVATE_DEV) 1252 /* XXX This very incomplete */ 1253 ACPI_STATUS 1254 acpi_allocate_resources(ACPI_HANDLE handle) 1255 { 1256 ACPI_BUFFER bufp, bufc, bufn; 1257 ACPI_RESOURCE *resp, *resc, *resn; 1258 ACPI_RESOURCE_IRQ *irq; 1259 ACPI_RESOURCE_EXTENDED_IRQ *xirq; 1260 ACPI_STATUS rv; 1261 uint delta; 1262 1263 rv = acpi_get(handle, &bufp, AcpiGetPossibleResources); 1264 if (ACPI_FAILURE(rv)) 1265 goto out; 1266 rv = acpi_get(handle, &bufc, AcpiGetCurrentResources); 1267 if (ACPI_FAILURE(rv)) { 1268 goto out1; 1269 } 1270 1271 bufn.Length = 1000; 1272 bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK); 1273 resp = bufp.Pointer; 1274 resc = bufc.Pointer; 1275 while (resc->Type != ACPI_RESOURCE_TYPE_END_TAG && 1276 resp->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1277 while (resc->Type != resp->Type && resp->Type != ACPI_RESOURCE_TYPE_END_TAG) 1278 resp = ACPI_NEXT_RESOURCE(resp); 1279 if (resp->Type == ACPI_RESOURCE_TYPE_END_TAG) 1280 break; 1281 /* Found identical Id */ 1282 resn->Type = resc->Type; 1283 switch (resc->Type) { 1284 case ACPI_RESOURCE_TYPE_IRQ: 1285 memcpy(&resn->Data, &resp->Data, 1286 sizeof(ACPI_RESOURCE_IRQ)); 1287 irq = (ACPI_RESOURCE_IRQ *)&resn->Data; 1288 irq->Interrupts[0] = 1289 ((ACPI_RESOURCE_IRQ *)&resp->Data)-> 1290 Interrupts[irq->InterruptCount-1]; 1291 irq->InterruptCount = 1; 1292 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_IRQ); 1293 break; 1294 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: 1295 memcpy(&resn->Data, &resp->Data, 1296 sizeof(ACPI_RESOURCE_EXTENDED_IRQ)); 1297 xirq = (ACPI_RESOURCE_EXTENDED_IRQ *)&resn->Data; 1298 #if 0 1299 /* 1300 * XXX not duplicating the interrupt logic above 1301 * because its not clear what it accomplishes. 1302 */ 1303 xirq->Interrupts[0] = 1304 ((ACPI_RESOURCE_EXT_IRQ *)&resp->Data)-> 1305 Interrupts[irq->NumberOfInterrupts-1]; 1306 xirq->NumberOfInterrupts = 1; 1307 #endif 1308 resn->Length = ACPI_RS_SIZE(ACPI_RESOURCE_EXTENDED_IRQ); 1309 break; 1310 case ACPI_RESOURCE_TYPE_IO: 1311 memcpy(&resn->Data, &resp->Data, 1312 sizeof(ACPI_RESOURCE_IO)); 1313 resn->Length = resp->Length; 1314 break; 1315 default: 1316 printf("acpi_allocate_resources: res=%d\n", resc->Type); 1317 rv = AE_BAD_DATA; 1318 goto out2; 1319 } 1320 resc = ACPI_NEXT_RESOURCE(resc); 1321 resn = ACPI_NEXT_RESOURCE(resn); 1322 resp = ACPI_NEXT_RESOURCE(resp); 1323 delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer; 1324 if (delta >= 1325 bufn.Length-ACPI_RS_SIZE(ACPI_RESOURCE_DATA)) { 1326 bufn.Length *= 2; 1327 bufn.Pointer = realloc(bufn.Pointer, bufn.Length, 1328 M_ACPI, M_WAITOK); 1329 resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta); 1330 } 1331 } 1332 if (resc->Type != ACPI_RESOURCE_TYPE_END_TAG) { 1333 printf("acpi_allocate_resources: resc not exhausted\n"); 1334 rv = AE_BAD_DATA; 1335 goto out3; 1336 } 1337 1338 resn->Type = ACPI_RESOURCE_TYPE_END_TAG; 1339 rv = AcpiSetCurrentResources(handle, &bufn); 1340 if (ACPI_FAILURE(rv)) { 1341 printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n", 1342 AcpiFormatException(rv)); 1343 } 1344 1345 out3: 1346 free(bufn.Pointer, M_ACPI); 1347 out2: 1348 AcpiOsFree(bufc.Pointer); 1349 out1: 1350 AcpiOsFree(bufp.Pointer); 1351 out: 1352 return rv; 1353 } 1354 #endif /* ACPI_ACTIVATE_DEV */ 1355 1356 SYSCTL_SETUP(sysctl_acpi_setup, "sysctl hw.acpi subtree setup") 1357 { 1358 const struct sysctlnode *node; 1359 const struct sysctlnode *ssnode; 1360 1361 if (sysctl_createv(clog, 0, NULL, NULL, 1362 CTLFLAG_PERMANENT, 1363 CTLTYPE_NODE, "hw", NULL, 1364 NULL, 0, NULL, 0, 1365 CTL_HW, CTL_EOL) != 0) 1366 return; 1367 1368 if (sysctl_createv(clog, 0, NULL, &node, 1369 CTLFLAG_PERMANENT, 1370 CTLTYPE_NODE, "acpi", NULL, 1371 NULL, 0, NULL, 0, 1372 CTL_HW, CTL_CREATE, CTL_EOL) != 0) 1373 return; 1374 1375 sysctl_createv(NULL, 0, NULL, NULL, CTLFLAG_READONLY, 1376 CTLTYPE_QUAD, "root", 1377 SYSCTL_DESCR("ACPI root pointer"), 1378 NULL, 0, &acpi_root_pointer, sizeof(acpi_root_pointer), 1379 CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL); 1380 sysctl_createv(NULL, 0, NULL, NULL, CTLFLAG_READONLY, 1381 CTLTYPE_STRING, "supported_states", 1382 SYSCTL_DESCR("Supported ACPI system states"), 1383 NULL, 0, acpi_supported_states, 0, 1384 CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL); 1385 1386 /* ACPI sleepstate sysctl */ 1387 if (sysctl_createv(NULL, 0, NULL, &node, 1388 CTLFLAG_PERMANENT, 1389 CTLTYPE_NODE, "machdep", NULL, 1390 NULL, 0, NULL, 0, CTL_MACHDEP, CTL_EOL) != 0) 1391 return; 1392 if (sysctl_createv(NULL, 0, &node, &ssnode, 1393 CTLFLAG_READWRITE, CTLTYPE_INT, "sleep_state", 1394 NULL, sysctl_hw_acpi_sleepstate, 0, NULL, 0, CTL_CREATE, 1395 CTL_EOL) != 0) 1396 return; 1397 } 1398 1399 static int 1400 sysctl_hw_acpi_sleepstate(SYSCTLFN_ARGS) 1401 { 1402 int error, t; 1403 struct sysctlnode node; 1404 1405 node = *rnode; 1406 t = acpi_sleepstate; 1407 node.sysctl_data = &t; 1408 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1409 if (error || newp == NULL) 1410 return error; 1411 1412 if (acpi_softc == NULL) 1413 return ENOSYS; 1414 1415 acpi_enter_sleep_state(acpi_softc, t); 1416 1417 return 0; 1418 } 1419 1420 static ACPI_TABLE_HEADER * 1421 acpi_map_rsdt(void) 1422 { 1423 ACPI_PHYSICAL_ADDRESS paddr; 1424 ACPI_TABLE_RSDP *rsdp; 1425 1426 paddr = AcpiOsGetRootPointer(); 1427 if (paddr == 0) { 1428 printf("ACPI: couldn't get root pointer\n"); 1429 return NULL; 1430 } 1431 rsdp = AcpiOsMapMemory(paddr, sizeof(ACPI_TABLE_RSDP)); 1432 if (rsdp == NULL) { 1433 printf("ACPI: couldn't map RSDP\n"); 1434 return NULL; 1435 } 1436 if (rsdp->Revision > 1 && rsdp->XsdtPhysicalAddress) 1437 paddr = (ACPI_PHYSICAL_ADDRESS)rsdp->XsdtPhysicalAddress; 1438 else 1439 paddr = (ACPI_PHYSICAL_ADDRESS)rsdp->RsdtPhysicalAddress; 1440 AcpiOsUnmapMemory(rsdp, sizeof(ACPI_TABLE_RSDP)); 1441 1442 return AcpiOsMapMemory(paddr, sizeof(ACPI_TABLE_HEADER)); 1443 } 1444 1445 static void 1446 acpi_unmap_rsdt(ACPI_TABLE_HEADER *rsdt) 1447 { 1448 if (rsdt == NULL) 1449 return; 1450 1451 AcpiOsUnmapMemory(rsdt, sizeof(ACPI_TABLE_HEADER)); 1452 } 1453
Indexes created Wed Sep 24 05:09:52 GMT 2025