| acpi_powerres.c (91125) | acpi_powerres.c (96926) |
|---|---|
| 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 91125 2002-02-23 05:28:22Z msmith $ | 26 * $FreeBSD: head/sys/dev/acpica/acpi_powerres.c 96926 2002-05-19 06:16:47Z peter $ |
| 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> --- 108 unchanged lines hidden (view full) --- 143static ACPI_STATUS 144acpi_pwr_register_resource(ACPI_HANDLE res) 145{ 146 ACPI_STATUS status; 147 ACPI_BUFFER buf; 148 ACPI_OBJECT *obj; 149 struct acpi_powerresource *rp, *srp; 150 | 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> --- 108 unchanged lines hidden (view full) --- 143static ACPI_STATUS 144acpi_pwr_register_resource(ACPI_HANDLE res) 145{ 146 ACPI_STATUS status; 147 ACPI_BUFFER buf; 148 ACPI_OBJECT *obj; 149 struct acpi_powerresource *rp, *srp; 150 |
| 151 ACPI_FUNCTION_TRACE(__func__); | 151 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 152 153 rp = NULL; 154 buf.Pointer = NULL; 155 156 /* look to see if we know about this resource */ 157 if (acpi_pwr_find_resource(res) != NULL) 158 return_ACPI_STATUS(AE_OK); /* already know about it */ 159 --- 47 unchanged lines hidden (view full) --- 207/* 208 * Deregister a power resource. 209 */ 210static ACPI_STATUS 211acpi_pwr_deregister_resource(ACPI_HANDLE res) 212{ 213 struct acpi_powerresource *rp; 214 | 152 153 rp = NULL; 154 buf.Pointer = NULL; 155 156 /* look to see if we know about this resource */ 157 if (acpi_pwr_find_resource(res) != NULL) 158 return_ACPI_STATUS(AE_OK); /* already know about it */ 159 --- 47 unchanged lines hidden (view full) --- 207/* 208 * Deregister a power resource. 209 */ 210static ACPI_STATUS 211acpi_pwr_deregister_resource(ACPI_HANDLE res) 212{ 213 struct acpi_powerresource *rp; 214 |
| 215 ACPI_FUNCTION_TRACE(__func__); | 215 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 216 217 rp = NULL; 218 219 /* find the resource */ 220 if ((rp = acpi_pwr_find_resource(res)) == NULL) 221 return_ACPI_STATUS(AE_BAD_PARAMETER); 222 223 /* check that there are no consumers referencing this resource */ --- 14 unchanged lines hidden (view full) --- 238 * 239 * It's OK to call this if we already know about the consumer. 240 */ 241static ACPI_STATUS 242acpi_pwr_register_consumer(ACPI_HANDLE consumer) 243{ 244 struct acpi_powerconsumer *pc; 245 | 216 217 rp = NULL; 218 219 /* find the resource */ 220 if ((rp = acpi_pwr_find_resource(res)) == NULL) 221 return_ACPI_STATUS(AE_BAD_PARAMETER); 222 223 /* check that there are no consumers referencing this resource */ --- 14 unchanged lines hidden (view full) --- 238 * 239 * It's OK to call this if we already know about the consumer. 240 */ 241static ACPI_STATUS 242acpi_pwr_register_consumer(ACPI_HANDLE consumer) 243{ 244 struct acpi_powerconsumer *pc; 245 |
| 246 ACPI_FUNCTION_TRACE(__func__); | 246 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 247 248 /* check to see whether we know about this consumer already */ 249 if ((pc = acpi_pwr_find_consumer(consumer)) != NULL) 250 return_ACPI_STATUS(AE_OK); 251 252 /* allocate a new power consumer */ 253 if ((pc = malloc(sizeof(*pc), M_ACPIPWR, M_NOWAIT)) == NULL) 254 return_ACPI_STATUS(AE_NO_MEMORY); --- 14 unchanged lines hidden (view full) --- 269 * This should only be done once the consumer has been powered off. 270 * (XXX is this correct? Check once implemented) 271 */ 272static ACPI_STATUS 273acpi_pwr_deregister_consumer(ACPI_HANDLE consumer) 274{ 275 struct acpi_powerconsumer *pc; 276 | 247 248 /* check to see whether we know about this consumer already */ 249 if ((pc = acpi_pwr_find_consumer(consumer)) != NULL) 250 return_ACPI_STATUS(AE_OK); 251 252 /* allocate a new power consumer */ 253 if ((pc = malloc(sizeof(*pc), M_ACPIPWR, M_NOWAIT)) == NULL) 254 return_ACPI_STATUS(AE_NO_MEMORY); --- 14 unchanged lines hidden (view full) --- 269 * This should only be done once the consumer has been powered off. 270 * (XXX is this correct? Check once implemented) 271 */ 272static ACPI_STATUS 273acpi_pwr_deregister_consumer(ACPI_HANDLE consumer) 274{ 275 struct acpi_powerconsumer *pc; 276 |
| 277 ACPI_FUNCTION_TRACE(__func__); | 277 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 278 279 /* find the consumer */ 280 if ((pc = acpi_pwr_find_consumer(consumer)) == NULL) 281 return_ACPI_STATUS(AE_BAD_PARAMETER); 282 283 /* make sure the consumer's not referencing anything right now */ 284 if (TAILQ_FIRST(&pc->ac_references) != NULL) 285 return_ACPI_STATUS(AE_BAD_PARAMETER); --- 16 unchanged lines hidden (view full) --- 302 struct acpi_powerreference *pr; 303 ACPI_HANDLE method_handle, reslist_handle, pr0_handle; 304 ACPI_BUFFER reslist_buffer; 305 ACPI_OBJECT *reslist_object; 306 ACPI_STATUS status; 307 char *method_name, *reslist_name; 308 int res_changed; 309 | 278 279 /* find the consumer */ 280 if ((pc = acpi_pwr_find_consumer(consumer)) == NULL) 281 return_ACPI_STATUS(AE_BAD_PARAMETER); 282 283 /* make sure the consumer's not referencing anything right now */ 284 if (TAILQ_FIRST(&pc->ac_references) != NULL) 285 return_ACPI_STATUS(AE_BAD_PARAMETER); --- 16 unchanged lines hidden (view full) --- 302 struct acpi_powerreference *pr; 303 ACPI_HANDLE method_handle, reslist_handle, pr0_handle; 304 ACPI_BUFFER reslist_buffer; 305 ACPI_OBJECT *reslist_object; 306 ACPI_STATUS status; 307 char *method_name, *reslist_name; 308 int res_changed; 309 |
| 310 ACPI_FUNCTION_TRACE(__func__); | 310 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 311 312 /* find the consumer */ 313 if ((pc = acpi_pwr_find_consumer(consumer)) == NULL) { 314 if (ACPI_FAILURE(status = acpi_pwr_register_consumer(consumer))) 315 return_ACPI_STATUS(status); 316 if ((pc = acpi_pwr_find_consumer(consumer)) == NULL) { 317 return_ACPI_STATUS(AE_ERROR); /* something very wrong */ 318 } --- 158 unchanged lines hidden (view full) --- 477acpi_pwr_reference_resource(ACPI_OBJECT *obj, void *arg) 478{ 479 struct acpi_powerconsumer *pc = (struct acpi_powerconsumer *)arg; 480 struct acpi_powerreference *pr; 481 struct acpi_powerresource *rp; 482 ACPI_HANDLE res; 483 ACPI_STATUS status; 484 | 311 312 /* find the consumer */ 313 if ((pc = acpi_pwr_find_consumer(consumer)) == NULL) { 314 if (ACPI_FAILURE(status = acpi_pwr_register_consumer(consumer))) 315 return_ACPI_STATUS(status); 316 if ((pc = acpi_pwr_find_consumer(consumer)) == NULL) { 317 return_ACPI_STATUS(AE_ERROR); /* something very wrong */ 318 } --- 158 unchanged lines hidden (view full) --- 477acpi_pwr_reference_resource(ACPI_OBJECT *obj, void *arg) 478{ 479 struct acpi_powerconsumer *pc = (struct acpi_powerconsumer *)arg; 480 struct acpi_powerreference *pr; 481 struct acpi_powerresource *rp; 482 ACPI_HANDLE res; 483 ACPI_STATUS status; 484 |
| 485 ACPI_FUNCTION_TRACE(__func__); | 485 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 486 487 /* check the object type */ 488 if (obj->Type != ACPI_TYPE_STRING) { 489 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "don't know how to create a power reference to object type %d\n", 490 obj->Type)); 491 return_VOID; 492 } 493 --- 41 unchanged lines hidden (view full) --- 535 */ 536static ACPI_STATUS 537acpi_pwr_switch_power(void) 538{ 539 struct acpi_powerresource *rp; 540 ACPI_STATUS status; 541 int cur; 542 | 486 487 /* check the object type */ 488 if (obj->Type != ACPI_TYPE_STRING) { 489 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "don't know how to create a power reference to object type %d\n", 490 obj->Type)); 491 return_VOID; 492 } 493 --- 41 unchanged lines hidden (view full) --- 535 */ 536static ACPI_STATUS 537acpi_pwr_switch_power(void) 538{ 539 struct acpi_powerresource *rp; 540 ACPI_STATUS status; 541 int cur; 542 |
| 543 ACPI_FUNCTION_TRACE(__func__); | 543 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 544 545 /* 546 * Sweep the list forwards turning things on. 547 */ 548 TAILQ_FOREACH(rp, &acpi_powerresources, ap_link) { 549 if (TAILQ_FIRST(&rp->ap_references) == NULL) { 550 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "%s has no references, not turning on\n", 551 acpi_name(rp->ap_resource))); --- 63 unchanged lines hidden (view full) --- 615/* 616 * Find a power resource's control structure. 617 */ 618static struct acpi_powerresource * 619acpi_pwr_find_resource(ACPI_HANDLE res) 620{ 621 struct acpi_powerresource *rp; 622 | 544 545 /* 546 * Sweep the list forwards turning things on. 547 */ 548 TAILQ_FOREACH(rp, &acpi_powerresources, ap_link) { 549 if (TAILQ_FIRST(&rp->ap_references) == NULL) { 550 ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "%s has no references, not turning on\n", 551 acpi_name(rp->ap_resource))); --- 63 unchanged lines hidden (view full) --- 615/* 616 * Find a power resource's control structure. 617 */ 618static struct acpi_powerresource * 619acpi_pwr_find_resource(ACPI_HANDLE res) 620{ 621 struct acpi_powerresource *rp; 622 |
| 623 ACPI_FUNCTION_TRACE(__func__); | 623 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 624 625 TAILQ_FOREACH(rp, &acpi_powerresources, ap_link) 626 if (rp->ap_resource == res) 627 break; 628 return_PTR(rp); 629} 630 631/* 632 * Find a power consumer's control structure. 633 */ 634static struct acpi_powerconsumer * 635acpi_pwr_find_consumer(ACPI_HANDLE consumer) 636{ 637 struct acpi_powerconsumer *pc; 638 | 624 625 TAILQ_FOREACH(rp, &acpi_powerresources, ap_link) 626 if (rp->ap_resource == res) 627 break; 628 return_PTR(rp); 629} 630 631/* 632 * Find a power consumer's control structure. 633 */ 634static struct acpi_powerconsumer * 635acpi_pwr_find_consumer(ACPI_HANDLE consumer) 636{ 637 struct acpi_powerconsumer *pc; 638 |
| 639 ACPI_FUNCTION_TRACE(__func__); | 639 ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); |
| 640 641 TAILQ_FOREACH(pc, &acpi_powerconsumers, ac_link) 642 if (pc->ac_consumer == consumer) 643 break; 644 return_PTR(pc); 645} 646 | 640 641 TAILQ_FOREACH(pc, &acpi_powerconsumers, ac_link) 642 if (pc->ac_consumer == consumer) 643 break; 644 return_PTR(pc); 645} 646 |