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Diffstat (limited to 'drivers/acpi/utilities/utstate.c')
| -rw-r--r-- | drivers/acpi/utilities/utstate.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c deleted file mode 100644 index 63a6d3d77d88..000000000000 --- a/drivers/acpi/utilities/utstate.c +++ /dev/null @@ -1,346 +0,0 @@ -/******************************************************************************* - * - * Module Name: utstate - state object support procedures - * - ******************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * 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> - -#define _COMPONENT ACPI_UTILITIES -ACPI_MODULE_NAME("utstate") - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_pkg_state_and_push - * - * PARAMETERS: Object - Object to be added to the new state - * Action - Increment/Decrement - * state_list - List the state will be added to - * - * RETURN: Status - * - * DESCRIPTION: Create a new state and push it - * - ******************************************************************************/ -acpi_status -acpi_ut_create_pkg_state_and_push(void *internal_object, - void *external_object, - u16 index, - union acpi_generic_state **state_list) -{ - union acpi_generic_state *state; - - ACPI_FUNCTION_ENTRY(); - - state = - acpi_ut_create_pkg_state(internal_object, external_object, index); - if (!state) { - return (AE_NO_MEMORY); - } - - acpi_ut_push_generic_state(state_list, state); - return (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_push_generic_state - * - * PARAMETERS: list_head - Head of the state stack - * State - State object to push - * - * RETURN: None - * - * DESCRIPTION: Push a state object onto a state stack - * - ******************************************************************************/ - -void -acpi_ut_push_generic_state(union acpi_generic_state **list_head, - union acpi_generic_state *state) -{ - ACPI_FUNCTION_TRACE(ut_push_generic_state); - - /* Push the state object onto the front of the list (stack) */ - - state->common.next = *list_head; - *list_head = state; - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_pop_generic_state - * - * PARAMETERS: list_head - Head of the state stack - * - * RETURN: The popped state object - * - * DESCRIPTION: Pop a state object from a state stack - * - ******************************************************************************/ - -union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state - **list_head) -{ - union acpi_generic_state *state; - - ACPI_FUNCTION_TRACE(ut_pop_generic_state); - - /* Remove the state object at the head of the list (stack) */ - - state = *list_head; - if (state) { - - /* Update the list head */ - - *list_head = state->common.next; - } - - return_PTR(state); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_generic_state - * - * PARAMETERS: None - * - * RETURN: The new state object. NULL on failure. - * - * DESCRIPTION: Create a generic state object. Attempt to obtain one from - * the global state cache; If none available, create a new one. - * - ******************************************************************************/ - -union acpi_generic_state *acpi_ut_create_generic_state(void) -{ - union acpi_generic_state *state; - - ACPI_FUNCTION_ENTRY(); - - state = acpi_os_acquire_object(acpi_gbl_state_cache); - if (state) { - - /* Initialize */ - memset(state, 0, sizeof(union acpi_generic_state)); - state->common.descriptor_type = ACPI_DESC_TYPE_STATE; - } - - return (state); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_thread_state - * - * PARAMETERS: None - * - * RETURN: New Thread State. NULL on failure - * - * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used - * to track per-thread info during method execution - * - ******************************************************************************/ - -struct acpi_thread_state *acpi_ut_create_thread_state(void) -{ - union acpi_generic_state *state; - - ACPI_FUNCTION_TRACE(ut_create_thread_state); - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state(); - if (!state) { - return_PTR(NULL); - } - - /* Init fields specific to the update struct */ - - state->common.descriptor_type = ACPI_DESC_TYPE_STATE_THREAD; - state->thread.thread_id = acpi_os_get_thread_id(); - - /* Check for invalid thread ID - zero is very bad, it will break things */ - - if (!state->thread.thread_id) { - ACPI_ERROR((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId")); - state->thread.thread_id = (acpi_thread_id) 1; - } - - return_PTR((struct acpi_thread_state *)state); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_update_state - * - * PARAMETERS: Object - Initial Object to be installed in the state - * Action - Update action to be performed - * - * RETURN: New state object, null on failure - * - * DESCRIPTION: Create an "Update State" - a flavor of the generic state used - * to update reference counts and delete complex objects such - * as packages. - * - ******************************************************************************/ - -union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object - *object, u16 action) -{ - union acpi_generic_state *state; - - ACPI_FUNCTION_TRACE_PTR(ut_create_update_state, object); - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state(); - if (!state) { - return_PTR(NULL); - } - - /* Init fields specific to the update struct */ - - state->common.descriptor_type = ACPI_DESC_TYPE_STATE_UPDATE; - state->update.object = object; - state->update.value = action; - - return_PTR(state); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_pkg_state - * - * PARAMETERS: Object - Initial Object to be installed in the state - * Action - Update action to be performed - * - * RETURN: New state object, null on failure - * - * DESCRIPTION: Create a "Package State" - * - ******************************************************************************/ - -union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object, - void *external_object, - u16 index) -{ - union acpi_generic_state *state; - - ACPI_FUNCTION_TRACE_PTR(ut_create_pkg_state, internal_object); - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state(); - if (!state) { - return_PTR(NULL); - } - - /* Init fields specific to the update struct */ - - state->common.descriptor_type = ACPI_DESC_TYPE_STATE_PACKAGE; - state->pkg.source_object = (union acpi_operand_object *)internal_object; - state->pkg.dest_object = external_object; - state->pkg.index = index; - state->pkg.num_packages = 1; - - return_PTR(state); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_control_state - * - * PARAMETERS: None - * - * RETURN: New state object, null on failure - * - * DESCRIPTION: Create a "Control State" - a flavor of the generic state used - * to support nested IF/WHILE constructs in the AML. - * - ******************************************************************************/ - -union acpi_generic_state *acpi_ut_create_control_state(void) -{ - union acpi_generic_state *state; - - ACPI_FUNCTION_TRACE(ut_create_control_state); - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state(); - if (!state) { - return_PTR(NULL); - } - - /* Init fields specific to the control struct */ - - state->common.descriptor_type = ACPI_DESC_TYPE_STATE_CONTROL; - state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING; - - return_PTR(state); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_delete_generic_state - * - * PARAMETERS: State - The state object to be deleted - * - * RETURN: None - * - * DESCRIPTION: Release a state object to the state cache. NULL state objects - * are ignored. - * - ******************************************************************************/ - -void acpi_ut_delete_generic_state(union acpi_generic_state *state) -{ - ACPI_FUNCTION_TRACE(ut_delete_generic_state); - - /* Ignore null state */ - - if (state) { - (void)acpi_os_release_object(acpi_gbl_state_cache, state); - } - return_VOID; -} |