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-rw-r--r--drivers/acpi/executer/exsystem.c378
1 files changed, 0 insertions, 378 deletions
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
deleted file mode 100644
index cafa702108d..00000000000
--- a/drivers/acpi/executer/exsystem.c
+++ /dev/null
@@ -1,378 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: exsystem - Interface to OS services
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- * substantially similar to the "NO WARRANTY" disclaimer below
- * ("Disclaimer") and any redistribution must be conditioned upon
- * including a substantially similar Disclaimer requirement for further
- * binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- * of any contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-
-#include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/acevents.h>
-
-#define _COMPONENT ACPI_EXECUTER
- ACPI_MODULE_NAME ("exsystem")
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_wait_semaphore
- *
- * PARAMETERS: Semaphore - Semaphore to wait on
- * Timeout - Max time to wait
- *
- * RETURN: Status
- *
- * DESCRIPTION: Implements a semaphore wait with a check to see if the
- * semaphore is available immediately. If it is not, the
- * interpreter is released.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_wait_semaphore (
- acpi_handle semaphore,
- u16 timeout)
-{
- acpi_status status;
- acpi_status status2;
-
-
- ACPI_FUNCTION_TRACE ("ex_system_wait_semaphore");
-
-
- status = acpi_os_wait_semaphore (semaphore, 1, 0);
- if (ACPI_SUCCESS (status)) {
- return_ACPI_STATUS (status);
- }
-
- if (status == AE_TIME) {
- /* We must wait, so unlock the interpreter */
-
- acpi_ex_exit_interpreter ();
-
- status = acpi_os_wait_semaphore (semaphore, 1, timeout);
-
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "*** Thread awake after blocking, %s\n",
- acpi_format_exception (status)));
-
- /* Reacquire the interpreter */
-
- status2 = acpi_ex_enter_interpreter ();
- if (ACPI_FAILURE (status2)) {
- /* Report fatal error, could not acquire interpreter */
-
- return_ACPI_STATUS (status2);
- }
- }
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_do_stall
- *
- * PARAMETERS: how_long - The amount of time to stall,
- * in microseconds
- *
- * RETURN: Status
- *
- * DESCRIPTION: Suspend running thread for specified amount of time.
- * Note: ACPI specification requires that Stall() does not
- * relinquish the processor, and delays longer than 100 usec
- * should use Sleep() instead. We allow stalls up to 255 usec
- * for compatibility with other interpreters and existing BIOSs.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_do_stall (
- u32 how_long)
-{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- if (how_long > 255) /* 255 microseconds */ {
- /*
- * Longer than 255 usec, this is an error
- *
- * (ACPI specifies 100 usec as max, but this gives some slack in
- * order to support existing BIOSs)
- */
- ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n",
- how_long));
- status = AE_AML_OPERAND_VALUE;
- }
- else {
- acpi_os_stall (how_long);
- }
-
- return (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_do_suspend
- *
- * PARAMETERS: how_long - The amount of time to suspend,
- * in milliseconds
- *
- * RETURN: None
- *
- * DESCRIPTION: Suspend running thread for specified amount of time.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_do_suspend (
- acpi_integer how_long)
-{
- acpi_status status;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- /* Since this thread will sleep, we must release the interpreter */
-
- acpi_ex_exit_interpreter ();
-
- acpi_os_sleep (how_long);
-
- /* And now we must get the interpreter again */
-
- status = acpi_ex_enter_interpreter ();
- return (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_acquire_mutex
- *
- * PARAMETERS: time_desc - The 'time to delay' object descriptor
- * obj_desc - The object descriptor for this op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Provides an access point to perform synchronization operations
- * within the AML. This function will cause a lock to be generated
- * for the Mutex pointed to by obj_desc.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_acquire_mutex (
- union acpi_operand_object *time_desc,
- union acpi_operand_object *obj_desc)
-{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ex_system_acquire_mutex", obj_desc);
-
-
- if (!obj_desc) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- /* Support for the _GL_ Mutex object -- go get the global lock */
-
- if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
- status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value);
- return_ACPI_STATUS (status);
- }
-
- status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore,
- (u16) time_desc->integer.value);
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_release_mutex
- *
- * PARAMETERS: obj_desc - The object descriptor for this op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Provides an access point to perform synchronization operations
- * within the AML. This operation is a request to release a
- * previously acquired Mutex. If the Mutex variable is set then
- * it will be decremented.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_release_mutex (
- union acpi_operand_object *obj_desc)
-{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("ex_system_release_mutex");
-
-
- if (!obj_desc) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- /* Support for the _GL_ Mutex object -- release the global lock */
-
- if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
- status = acpi_ev_release_global_lock ();
- return_ACPI_STATUS (status);
- }
-
- status = acpi_os_signal_semaphore (obj_desc->mutex.semaphore, 1);
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_signal_event
- *
- * PARAMETERS: obj_desc - The object descriptor for this op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Provides an access point to perform synchronization operations
- * within the AML.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_signal_event (
- union acpi_operand_object *obj_desc)
-{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("ex_system_signal_event");
-
-
- if (obj_desc) {
- status = acpi_os_signal_semaphore (obj_desc->event.semaphore, 1);
- }
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_wait_event
- *
- * PARAMETERS: time_desc - The 'time to delay' object descriptor
- * obj_desc - The object descriptor for this op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Provides an access point to perform synchronization operations
- * within the AML. This operation is a request to wait for an
- * event.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_wait_event (
- union acpi_operand_object *time_desc,
- union acpi_operand_object *obj_desc)
-{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("ex_system_wait_event");
-
-
- if (obj_desc) {
- status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore,
- (u16) time_desc->integer.value);
- }
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_system_reset_event
- *
- * PARAMETERS: obj_desc - The object descriptor for this op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Reset an event to a known state.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_system_reset_event (
- union acpi_operand_object *obj_desc)
-{
- acpi_status status = AE_OK;
- void *temp_semaphore;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- /*
- * We are going to simply delete the existing semaphore and
- * create a new one!
- */
- status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
- if (ACPI_SUCCESS (status)) {
- (void) acpi_os_delete_semaphore (obj_desc->event.semaphore);
- obj_desc->event.semaphore = temp_semaphore;
- }
-
- return (status);
-}
-
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