| acpi_powerres.c (82084) | acpi_powerres.c (82372) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Michael Smith 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2001 Michael Smith 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/dev/acpica/acpi_powerres.c 82084 2001-08-21 18:22:40Z iwasaki $ | 26 * $FreeBSD: head/sys/dev/acpica/acpi_powerres.c 82372 2001-08-26 22:50:15Z msmith $ |
| 27 */ 28 29#include "opt_acpi.h" /* XXX trim includes */ 30#include <sys/param.h> 31#include <sys/kernel.h> 32#include <sys/proc.h> 33#include <sys/lock.h> 34#include <sys/malloc.h> --- 127 unchanged lines hidden (view full) --- 162 status = AE_NO_MEMORY; 163 goto out; 164 } 165 TAILQ_INIT(&rp->ap_references); 166 rp->ap_resource = res; 167 168 /* get the Power Resource object */ 169 if ((status = acpi_EvaluateIntoBuffer(res, NULL, NULL, &buf)) != AE_OK) { | 27 */ 28 29#include "opt_acpi.h" /* XXX trim includes */ 30#include <sys/param.h> 31#include <sys/kernel.h> 32#include <sys/proc.h> 33#include <sys/lock.h> 34#include <sys/malloc.h> --- 127 unchanged lines hidden (view full) --- 162 status = AE_NO_MEMORY; 163 goto out; 164 } 165 TAILQ_INIT(&rp->ap_references); 166 rp->ap_resource = res; 167 168 /* get the Power Resource object */ 169 if ((status = acpi_EvaluateIntoBuffer(res, NULL, NULL, &buf)) != AE_OK) { |
| 170 DEBUG_PRINT(TRACE_OBJECTS, ("no power resource object\n")); | 170 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "no power resource object\n")); |
| 171 goto out; 172 } 173 obj = buf.Pointer; 174 if (obj->Type != ACPI_TYPE_POWER) { | 171 goto out; 172 } 173 obj = buf.Pointer; 174 if (obj->Type != ACPI_TYPE_POWER) { |
| 175 DEBUG_PRINT(TRACE_OBJECTS, ("questionable power resource object %s\n", acpi_name(res))); | 175 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "questionable power resource object %s\n", acpi_name(res))); |
| 176 status = AE_TYPE; 177 goto out; 178 } 179 rp->ap_systemlevel = obj->PowerResource.SystemLevel; 180 rp->ap_order = obj->PowerResource.ResourceOrder; 181 182 /* sort the resource into the list */ 183 status = AE_OK; --- 5 unchanged lines hidden (view full) --- 189 TAILQ_FOREACH(srp, &acpi_powerresources, ap_link) 190 if (rp->ap_order < srp->ap_order) { 191 TAILQ_INSERT_BEFORE(srp, rp, ap_link); 192 goto done; 193 } 194 TAILQ_INSERT_TAIL(&acpi_powerresources, rp, ap_link); 195 196 done: | 176 status = AE_TYPE; 177 goto out; 178 } 179 rp->ap_systemlevel = obj->PowerResource.SystemLevel; 180 rp->ap_order = obj->PowerResource.ResourceOrder; 181 182 /* sort the resource into the list */ 183 status = AE_OK; --- 5 unchanged lines hidden (view full) --- 189 TAILQ_FOREACH(srp, &acpi_powerresources, ap_link) 190 if (rp->ap_order < srp->ap_order) { 191 TAILQ_INSERT_BEFORE(srp, rp, ap_link); 192 goto done; 193 } 194 TAILQ_INSERT_TAIL(&acpi_powerresources, rp, ap_link); 195 196 done: |
| 197 DEBUG_PRINT(TRACE_OBJECTS, ("registered power resource %s\n", acpi_name(res))); | 197 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "registered power resource %s\n", acpi_name(res))); |
| 198 out: 199 if (obj != NULL) 200 AcpiOsFree(obj); 201 if ((status != AE_OK) && (rp != NULL)) 202 free(rp, M_ACPIPWR); 203 return_ACPI_STATUS(status); 204} 205 --- 16 unchanged lines hidden (view full) --- 222 /* check that there are no consumers referencing this resource */ 223 if (TAILQ_FIRST(&rp->ap_references) != NULL) 224 return_ACPI_STATUS(AE_BAD_PARAMETER); 225 226 /* pull it off the list and free it */ 227 TAILQ_REMOVE(&acpi_powerresources, rp, ap_link); 228 free(rp, M_ACPIPWR); 229 | 198 out: 199 if (obj != NULL) 200 AcpiOsFree(obj); 201 if ((status != AE_OK) && (rp != NULL)) 202 free(rp, M_ACPIPWR); 203 return_ACPI_STATUS(status); 204} 205 --- 16 unchanged lines hidden (view full) --- 222 /* check that there are no consumers referencing this resource */ 223 if (TAILQ_FIRST(&rp->ap_references) != NULL) 224 return_ACPI_STATUS(AE_BAD_PARAMETER); 225 226 /* pull it off the list and free it */ 227 TAILQ_REMOVE(&acpi_powerresources, rp, ap_link); 228 free(rp, M_ACPIPWR); 229 |
| 230 DEBUG_PRINT(TRACE_OBJECTS, ("deregistered power resource %s\n", acpi_name(res))); | 230 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "deregistered power resource %s\n", acpi_name(res))); |
| 231 232 return_ACPI_STATUS(AE_OK); 233} 234 235/* 236 * Register a power consumer. 237 * 238 * It's OK to call this if we already know about the consumer. --- 13 unchanged lines hidden (view full) --- 252 if ((pc = malloc(sizeof(*pc), M_ACPIPWR, M_NOWAIT)) == NULL) 253 return_ACPI_STATUS(AE_NO_MEMORY); 254 TAILQ_INSERT_HEAD(&acpi_powerconsumers, pc, ac_link); 255 TAILQ_INIT(&pc->ac_references); 256 pc->ac_consumer = consumer; 257 258 pc->ac_state = ACPI_STATE_UNKNOWN; /* XXX we should try to find its current state */ 259 | 231 232 return_ACPI_STATUS(AE_OK); 233} 234 235/* 236 * Register a power consumer. 237 * 238 * It's OK to call this if we already know about the consumer. --- 13 unchanged lines hidden (view full) --- 252 if ((pc = malloc(sizeof(*pc), M_ACPIPWR, M_NOWAIT)) == NULL) 253 return_ACPI_STATUS(AE_NO_MEMORY); 254 TAILQ_INSERT_HEAD(&acpi_powerconsumers, pc, ac_link); 255 TAILQ_INIT(&pc->ac_references); 256 pc->ac_consumer = consumer; 257 258 pc->ac_state = ACPI_STATE_UNKNOWN; /* XXX we should try to find its current state */ 259 |
| 260 DEBUG_PRINT(TRACE_OBJECTS, ("registered power consumer %s\n", acpi_name(consumer))); | 260 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "registered power consumer %s\n", acpi_name(consumer))); |
| 261 262 return_ACPI_STATUS(AE_OK); 263} 264 265/* 266 * Deregister a power consumer. 267 * 268 * This should only be done once the consumer has been powered off. --- 12 unchanged lines hidden (view full) --- 281 282 /* make sure the consumer's not referencing anything right now */ 283 if (TAILQ_FIRST(&pc->ac_references) != NULL) 284 return_ACPI_STATUS(AE_BAD_PARAMETER); 285 286 /* pull the consumer off the list and free it */ 287 TAILQ_REMOVE(&acpi_powerconsumers, pc, ac_link); 288 | 261 262 return_ACPI_STATUS(AE_OK); 263} 264 265/* 266 * Deregister a power consumer. 267 * 268 * This should only be done once the consumer has been powered off. --- 12 unchanged lines hidden (view full) --- 281 282 /* make sure the consumer's not referencing anything right now */ 283 if (TAILQ_FIRST(&pc->ac_references) != NULL) 284 return_ACPI_STATUS(AE_BAD_PARAMETER); 285 286 /* pull the consumer off the list and free it */ 287 TAILQ_REMOVE(&acpi_powerconsumers, pc, ac_link); 288 |
| 289 DEBUG_PRINT(TRACE_OBJECTS, ("deregistered power consumer %s\n", acpi_name(consumer))); | 289 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "deregistered power consumer %s\n", acpi_name(consumer))); |
| 290 291 return_ACPI_STATUS(AE_OK); 292} 293 294/* 295 * Set a power consumer to a particular power state. 296 */ 297ACPI_STATUS --- 39 unchanged lines hidden (view full) --- 337 break; 338 case ACPI_STATE_D3: 339 method_name = "_PS3"; 340 reslist_name = "_PR3"; 341 break; 342 default: 343 return_ACPI_STATUS(AE_BAD_PARAMETER); 344 } | 290 291 return_ACPI_STATUS(AE_OK); 292} 293 294/* 295 * Set a power consumer to a particular power state. 296 */ 297ACPI_STATUS --- 39 unchanged lines hidden (view full) --- 337 break; 338 case ACPI_STATE_D3: 339 method_name = "_PS3"; 340 reslist_name = "_PR3"; 341 break; 342 default: 343 return_ACPI_STATUS(AE_BAD_PARAMETER); 344 } |
| 345 DEBUG_PRINT(TRACE_OBJECTS, ("setup to switch %s D%d -> D%d\n", 346 acpi_name(consumer), pc->ac_state, state)); | 345 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "setup to switch %s D%d -> D%d\n", 346 acpi_name(consumer), pc->ac_state, state)); |
| 347 348 /* 349 * Verify that this state is supported, ie. one of method or 350 * reslist must be present. We need to do this before we go 351 * dereferencing resources (since we might be trying to go to 352 * a state we don't support). 353 * 354 * Note that if any states are supported, the device has to --- 30 unchanged lines hidden (view full) --- 385 AcpiOsFree(reslist_object); 386 } 387 388 /* 389 * Check that we can actually fetch the list of power resources 390 */ 391 if (reslist_handle != NULL) { 392 if ((status = acpi_EvaluateIntoBuffer(reslist_handle, NULL, NULL, &reslist_buffer)) != AE_OK) { | 347 348 /* 349 * Verify that this state is supported, ie. one of method or 350 * reslist must be present. We need to do this before we go 351 * dereferencing resources (since we might be trying to go to 352 * a state we don't support). 353 * 354 * Note that if any states are supported, the device has to --- 30 unchanged lines hidden (view full) --- 385 AcpiOsFree(reslist_object); 386 } 387 388 /* 389 * Check that we can actually fetch the list of power resources 390 */ 391 if (reslist_handle != NULL) { 392 if ((status = acpi_EvaluateIntoBuffer(reslist_handle, NULL, NULL, &reslist_buffer)) != AE_OK) { |
| 393 DEBUG_PRINT(TRACE_OBJECTS, ("can't evaluate resource list %s\n", 394 acpi_name(reslist_handle))); | 393 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "can't evaluate resource list %s\n", 394 acpi_name(reslist_handle))); |
| 395 return_ACPI_STATUS(status); 396 } 397 reslist_object = (ACPI_OBJECT *)reslist_buffer.Pointer; 398 if (reslist_object->Type != ACPI_TYPE_PACKAGE) { | 395 return_ACPI_STATUS(status); 396 } 397 reslist_object = (ACPI_OBJECT *)reslist_buffer.Pointer; 398 if (reslist_object->Type != ACPI_TYPE_PACKAGE) { |
| 399 DEBUG_PRINT(TRACE_OBJECTS, ("resource list is not ACPI_TYPE_PACKAGE (%d)\n", 400 reslist_object->Type)); | 399 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "resource list is not ACPI_TYPE_PACKAGE (%d)\n", 400 reslist_object->Type)); |
| 401 return_ACPI_STATUS(AE_TYPE); 402 } 403 } else { 404 reslist_object = NULL; 405 } 406 407 /* 408 * Now we are ready to switch, so kill off any current power resource references. 409 */ 410 res_changed = 0; 411 while((pr = TAILQ_FIRST(&pc->ac_references)) != NULL) { 412 res_changed = 1; | 401 return_ACPI_STATUS(AE_TYPE); 402 } 403 } else { 404 reslist_object = NULL; 405 } 406 407 /* 408 * Now we are ready to switch, so kill off any current power resource references. 409 */ 410 res_changed = 0; 411 while((pr = TAILQ_FIRST(&pc->ac_references)) != NULL) { 412 res_changed = 1; |
| 413 DEBUG_PRINT(TRACE_OBJECTS, ("removing reference to %s\n", acpi_name(pr->ar_resource->ap_resource))); | 413 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "removing reference to %s\n", acpi_name(pr->ar_resource->ap_resource))); |
| 414 TAILQ_REMOVE(&pr->ar_resource->ap_references, pr, ar_rlink); 415 TAILQ_REMOVE(&pc->ac_references, pr, ar_clink); 416 free(pr, M_ACPIPWR); 417 } 418 419 /* 420 * Add new power resource references, if we have any. Traverse the 421 * package that we got from evaluating reslist_handle, and look up each 422 * of the resources that are referenced. 423 */ 424 if (reslist_object != NULL) { | 414 TAILQ_REMOVE(&pr->ar_resource->ap_references, pr, ar_rlink); 415 TAILQ_REMOVE(&pc->ac_references, pr, ar_clink); 416 free(pr, M_ACPIPWR); 417 } 418 419 /* 420 * Add new power resource references, if we have any. Traverse the 421 * package that we got from evaluating reslist_handle, and look up each 422 * of the resources that are referenced. 423 */ 424 if (reslist_object != NULL) { |
| 425 DEBUG_PRINT(TRACE_OBJECTS, ("referencing %d new resources\n", 426 reslist_object->Package.Count)); | 425 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "referencing %d new resources\n", 426 reslist_object->Package.Count)); |
| 427 acpi_ForeachPackageObject(reslist_object, acpi_pwr_reference_resource, pc); 428 res_changed = 1; 429 } 430 431 /* 432 * If we changed anything in the resource list, we need to run a switch 433 * pass now. 434 */ 435 if ((status = acpi_pwr_switch_power()) != AE_OK) { | 427 acpi_ForeachPackageObject(reslist_object, acpi_pwr_reference_resource, pc); 428 res_changed = 1; 429 } 430 431 /* 432 * If we changed anything in the resource list, we need to run a switch 433 * pass now. 434 */ 435 if ((status = acpi_pwr_switch_power()) != AE_OK) { |
| 436 DEBUG_PRINT(TRACE_OBJECTS, ("failed to correctly switch resources to move %s to D%d\n", 437 acpi_name(consumer), state)); | 436 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "failed to correctly switch resources to move %s to D%d\n", 437 acpi_name(consumer), state)); |
| 438 return_ACPI_STATUS(status); /* XXX is this appropriate? Should we return to previous state? */ 439 } 440 441 /* invoke power state switch method (if present) */ 442 if (method_handle != NULL) { | 438 return_ACPI_STATUS(status); /* XXX is this appropriate? Should we return to previous state? */ 439 } 440 441 /* invoke power state switch method (if present) */ 442 if (method_handle != NULL) { |
| 443 DEBUG_PRINT(TRACE_OBJECTS, ("invoking state transition method %s\n", 444 acpi_name(method_handle))); | 443 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "invoking state transition method %s\n", 444 acpi_name(method_handle))); |
| 445 if ((status = AcpiEvaluateObject(method_handle, NULL, NULL, NULL)) != AE_OK) 446 pc->ac_state = ACPI_STATE_UNKNOWN; 447 return_ACPI_STATUS(status); /* XXX is this appropriate? Should we return to previous state? */ 448 } 449 450 /* transition was successful */ 451 pc->ac_state = state; 452 return_ACPI_STATUS(AE_OK); 453 454 bad: | 445 if ((status = AcpiEvaluateObject(method_handle, NULL, NULL, NULL)) != AE_OK) 446 pc->ac_state = ACPI_STATE_UNKNOWN; 447 return_ACPI_STATUS(status); /* XXX is this appropriate? Should we return to previous state? */ 448 } 449 450 /* transition was successful */ 451 pc->ac_state = state; 452 return_ACPI_STATUS(AE_OK); 453 454 bad: |
| 455 DEBUG_PRINT(TRACE_OBJECTS, ("attempt to set unsupported state D%d\n", 456 state)); | 455 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "attempt to set unsupported state D%d\n", 456 state)); |
| 457 if (reslist_object) 458 AcpiOsFree(reslist_object); 459 return_ACPI_STATUS(AE_BAD_PARAMETER); 460} 461 462/* 463 * Called to create a reference between a power consumer and a power resource 464 * identified in the object. --- 6 unchanged lines hidden (view full) --- 471 struct acpi_powerresource *rp; 472 ACPI_HANDLE res; 473 ACPI_STATUS status; 474 475 FUNCTION_TRACE(__func__); 476 477 /* check the object type */ 478 if (obj->Type != ACPI_TYPE_STRING) { | 457 if (reslist_object) 458 AcpiOsFree(reslist_object); 459 return_ACPI_STATUS(AE_BAD_PARAMETER); 460} 461 462/* 463 * Called to create a reference between a power consumer and a power resource 464 * identified in the object. --- 6 unchanged lines hidden (view full) --- 471 struct acpi_powerresource *rp; 472 ACPI_HANDLE res; 473 ACPI_STATUS status; 474 475 FUNCTION_TRACE(__func__); 476 477 /* check the object type */ 478 if (obj->Type != ACPI_TYPE_STRING) { |
| 479 DEBUG_PRINT(TRACE_OBJECTS, ("don't know how to create a power reference to object type %d\n", 480 obj->Type)); | 479 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "don't know how to create a power reference to object type %d\n", 480 obj->Type)); |
| 481 return_VOID; 482 } 483 | 481 return_VOID; 482 } 483 |
| 484 DEBUG_PRINT(TRACE_OBJECTS, ("building reference from %s to %s\n", 485 acpi_name(pc->ac_consumer), obj->String.Pointer)); | 484 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "building reference from %s to %s\n", 485 acpi_name(pc->ac_consumer), obj->String.Pointer)); |
| 486 487 /* get the handle of the resource */ 488 if (ACPI_FAILURE(status = AcpiGetHandle(NULL, obj->String.Pointer, &res))) { | 486 487 /* get the handle of the resource */ 488 if (ACPI_FAILURE(status = AcpiGetHandle(NULL, obj->String.Pointer, &res))) { |
| 489 DEBUG_PRINT(TRACE_OBJECTS, ("couldn't find power resource %s\n", 490 obj->String.Pointer)); | 489 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "couldn't find power resource %s\n", 490 obj->String.Pointer)); |
| 491 return_VOID; 492 } 493 494 /* create/look up the resource */ 495 if (ACPI_FAILURE(status = acpi_pwr_register_resource(res))) { | 491 return_VOID; 492 } 493 494 /* create/look up the resource */ 495 if (ACPI_FAILURE(status = acpi_pwr_register_resource(res))) { |
| 496 DEBUG_PRINT(TRACE_OBJECTS, ("couldn't register power resource %s - %s\n", 497 obj->String.Pointer, AcpiFormatException(status))); | 496 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "couldn't register power resource %s - %s\n", 497 obj->String.Pointer, AcpiFormatException(status))); |
| 498 return_VOID; 499 } 500 if ((rp = acpi_pwr_find_resource(res)) == NULL) { | 498 return_VOID; 499 } 500 if ((rp = acpi_pwr_find_resource(res)) == NULL) { |
| 501 DEBUG_PRINT(TRACE_OBJECTS, ("power resource list corrupted\n")); | 501 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "power resource list corrupted\n")); |
| 502 return_VOID; 503 } | 502 return_VOID; 503 } |
| 504 DEBUG_PRINT(TRACE_OBJECTS, ("found power resource %s\n", acpi_name(rp->ap_resource))); | 504 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "found power resource %s\n", acpi_name(rp->ap_resource))); |
| 505 506 /* create a reference between the consumer and resource */ 507 if ((pr = malloc(sizeof(*pr), M_ACPIPWR, M_NOWAIT | M_ZERO)) == NULL) { | 505 506 /* create a reference between the consumer and resource */ 507 if ((pr = malloc(sizeof(*pr), M_ACPIPWR, M_NOWAIT | M_ZERO)) == NULL) { |
| 508 DEBUG_PRINT(TRACE_OBJECTS, ("couldn't allocate memory for a power consumer reference\n")); | 508 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "couldn't allocate memory for a power consumer reference\n")); |
| 509 return_VOID; 510 } 511 pr->ar_consumer = pc; 512 pr->ar_resource = rp; 513 TAILQ_INSERT_TAIL(&pc->ac_references, pr, ar_clink); 514 TAILQ_INSERT_TAIL(&rp->ap_references, pr, ar_rlink); 515 516 return_VOID; --- 15 unchanged lines hidden (view full) --- 532 533 FUNCTION_TRACE(__func__); 534 535 /* 536 * Sweep the list forwards turning things on. 537 */ 538 TAILQ_FOREACH(rp, &acpi_powerresources, ap_link) { 539 if (TAILQ_FIRST(&rp->ap_references) == NULL) { | 509 return_VOID; 510 } 511 pr->ar_consumer = pc; 512 pr->ar_resource = rp; 513 TAILQ_INSERT_TAIL(&pc->ac_references, pr, ar_clink); 514 TAILQ_INSERT_TAIL(&rp->ap_references, pr, ar_rlink); 515 516 return_VOID; --- 15 unchanged lines hidden (view full) --- 532 533 FUNCTION_TRACE(__func__); 534 535 /* 536 * Sweep the list forwards turning things on. 537 */ 538 TAILQ_FOREACH(rp, &acpi_powerresources, ap_link) { 539 if (TAILQ_FIRST(&rp->ap_references) == NULL) { |
| 540 DEBUG_PRINT(TRACE_OBJECTS, ("%s has no references, not turning on\n", 541 acpi_name(rp->ap_resource))); | 540 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "%s has no references, not turning on\n", 541 acpi_name(rp->ap_resource))); |
| 542 continue; 543 } 544 545 /* we could cache this if we trusted it not to change under us */ 546 if ((status = acpi_EvaluateInteger(rp->ap_resource, "_STA", &cur)) != AE_OK) { | 542 continue; 543 } 544 545 /* we could cache this if we trusted it not to change under us */ 546 if ((status = acpi_EvaluateInteger(rp->ap_resource, "_STA", &cur)) != AE_OK) { |
| 547 DEBUG_PRINT(TRACE_OBJECTS, ("can't get status of %s - %d\n", 548 acpi_name(rp->ap_resource), status)); | 547 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "can't get status of %s - %d\n", 548 acpi_name(rp->ap_resource), status)); |
| 549 continue; /* XXX is this correct? Always switch if in doubt? */ 550 } 551 552 /* 553 * Switch if required. Note that we ignore the result of the switch 554 * effort; we don't know what to do if it fails, so checking wouldn't 555 * help much. 556 */ 557 if (cur != ACPI_PWR_ON) { 558 if (ACPI_FAILURE(status = AcpiEvaluateObject(rp->ap_resource, "_ON", NULL, NULL))) { | 549 continue; /* XXX is this correct? Always switch if in doubt? */ 550 } 551 552 /* 553 * Switch if required. Note that we ignore the result of the switch 554 * effort; we don't know what to do if it fails, so checking wouldn't 555 * help much. 556 */ 557 if (cur != ACPI_PWR_ON) { 558 if (ACPI_FAILURE(status = AcpiEvaluateObject(rp->ap_resource, "_ON", NULL, NULL))) { |
| 559 DEBUG_PRINT(TRACE_OBJECTS, ("failed to switch %s on - %s\n", 560 acpi_name(rp->ap_resource), AcpiFormatException(status))); | 559 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "failed to switch %s on - %s\n", 560 acpi_name(rp->ap_resource), AcpiFormatException(status))); |
| 561 } else { | 561 } else { |
| 562 DEBUG_PRINT(TRACE_OBJECTS, ("switched %s on\n", acpi_name(rp->ap_resource))); | 562 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "switched %s on\n", acpi_name(rp->ap_resource))); |
| 563 } 564 } else { | 563 } 564 } else { |
| 565 DEBUG_PRINT(TRACE_OBJECTS, ("%s is already on\n", acpi_name(rp->ap_resource))); | 565 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "%s is already on\n", acpi_name(rp->ap_resource))); |
| 566 } 567 } 568 569 /* 570 * Sweep the list backwards turning things off. 571 */ 572 TAILQ_FOREACH_REVERSE(rp, &acpi_powerresources, acpi_powerresource_list, ap_link) { 573 if (TAILQ_FIRST(&rp->ap_references) != NULL) { | 566 } 567 } 568 569 /* 570 * Sweep the list backwards turning things off. 571 */ 572 TAILQ_FOREACH_REVERSE(rp, &acpi_powerresources, acpi_powerresource_list, ap_link) { 573 if (TAILQ_FIRST(&rp->ap_references) != NULL) { |
| 574 DEBUG_PRINT(TRACE_OBJECTS, ("%s has references, not turning off\n", 575 acpi_name(rp->ap_resource))); | 574 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "%s has references, not turning off\n", 575 acpi_name(rp->ap_resource))); |
| 576 continue; 577 } 578 579 /* we could cache this if we trusted it not to change under us */ 580 if ((status = acpi_EvaluateInteger(rp->ap_resource, "_STA", &cur)) != AE_OK) { | 576 continue; 577 } 578 579 /* we could cache this if we trusted it not to change under us */ 580 if ((status = acpi_EvaluateInteger(rp->ap_resource, "_STA", &cur)) != AE_OK) { |
| 581 DEBUG_PRINT(TRACE_OBJECTS, ("can't get status of %s - %d\n", 582 acpi_name(rp->ap_resource), status)); | 581 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "can't get status of %s - %d\n", 582 acpi_name(rp->ap_resource), status)); |
| 583 continue; /* XXX is this correct? Always switch if in doubt? */ 584 } 585 586 /* 587 * Switch if required. Note that we ignore the result of the switch 588 * effort; we don't know what to do if it fails, so checking wouldn't 589 * help much. 590 */ 591 if (cur != ACPI_PWR_OFF) { 592 if (ACPI_FAILURE(status = AcpiEvaluateObject(rp->ap_resource, "_OFF", NULL, NULL))) { | 583 continue; /* XXX is this correct? Always switch if in doubt? */ 584 } 585 586 /* 587 * Switch if required. Note that we ignore the result of the switch 588 * effort; we don't know what to do if it fails, so checking wouldn't 589 * help much. 590 */ 591 if (cur != ACPI_PWR_OFF) { 592 if (ACPI_FAILURE(status = AcpiEvaluateObject(rp->ap_resource, "_OFF", NULL, NULL))) { |
| 593 DEBUG_PRINT(TRACE_OBJECTS, ("failed to switch %s off - %s\n", 594 acpi_name(rp->ap_resource), AcpiFormatException(status))); | 593 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "failed to switch %s off - %s\n", 594 acpi_name(rp->ap_resource), AcpiFormatException(status))); |
| 595 } else { | 595 } else { |
| 596 DEBUG_PRINT(TRACE_OBJECTS, ("switched %s off\n", acpi_name(rp->ap_resource))); | 596 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "switched %s off\n", acpi_name(rp->ap_resource))); |
| 597 } 598 } else { | 597 } 598 } else { |
| 599 DEBUG_PRINT(TRACE_OBJECTS, ("%s is already off\n", acpi_name(rp->ap_resource))); | 599 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "%s is already off\n", acpi_name(rp->ap_resource))); |
| 600 } 601 } 602 return_ACPI_STATUS(AE_OK); 603} 604 605/* 606 * Find a power resource's control structure. 607 */ --- 29 unchanged lines hidden --- | 600 } 601 } 602 return_ACPI_STATUS(AE_OK); 603} 604 605/* 606 * Find a power resource's control structure. 607 */ --- 29 unchanged lines hidden --- |