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-rw-r--r--drivers/acpi/executer/exutils.c352
1 files changed, 0 insertions, 352 deletions
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
deleted file mode 100644
index 1ee79d8c8f8..00000000000
--- a/drivers/acpi/executer/exutils.c
+++ /dev/null
@@ -1,352 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: exutils - interpreter/scanner utilities
- *
- *****************************************************************************/
-
-/*
- * 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.
- */
-
-/*
- * DEFINE_AML_GLOBALS is tested in amlcode.h
- * to determine whether certain global names should be "defined" or only
- * "declared" in the current compilation. This enhances maintainability
- * by enabling a single header file to embody all knowledge of the names
- * in question.
- *
- * Exactly one module of any executable should #define DEFINE_GLOBALS
- * before #including the header files which use this convention. The
- * names in question will be defined and initialized in that module,
- * and declared as extern in all other modules which #include those
- * header files.
- */
-
-#define DEFINE_AML_GLOBALS
-
-#include <acpi/acpi.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acevents.h>
-
-#define _COMPONENT ACPI_EXECUTER
-ACPI_MODULE_NAME("exutils")
-
-/* Local prototypes */
-static u32 acpi_ex_digits_needed(acpi_integer value, u32 base);
-
-#ifndef ACPI_NO_METHOD_EXECUTION
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_enter_interpreter
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enter the interpreter execution region. Failure to enter
- * the interpreter region is a fatal system error
- *
- ******************************************************************************/
-
-acpi_status acpi_ex_enter_interpreter(void)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("ex_enter_interpreter");
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_EXECUTE);
- if (ACPI_FAILURE(status)) {
- ACPI_REPORT_ERROR(("Could not acquire interpreter mutex\n"));
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_exit_interpreter
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Exit the interpreter execution region
- *
- * Cases where the interpreter is unlocked:
- * 1) Completion of the execution of a control method
- * 2) Method blocked on a Sleep() AML opcode
- * 3) Method blocked on an Acquire() AML opcode
- * 4) Method blocked on a Wait() AML opcode
- * 5) Method blocked to acquire the global lock
- * 6) Method blocked to execute a serialized control method that is
- * already executing
- * 7) About to invoke a user-installed opregion handler
- *
- ******************************************************************************/
-
-void acpi_ex_exit_interpreter(void)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("ex_exit_interpreter");
-
- status = acpi_ut_release_mutex(ACPI_MTX_EXECUTE);
- if (ACPI_FAILURE(status)) {
- ACPI_REPORT_ERROR(("Could not release interpreter mutex\n"));
- }
-
- return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_truncate_for32bit_table
- *
- * PARAMETERS: obj_desc - Object to be truncated
- *
- * RETURN: none
- *
- * DESCRIPTION: Truncate a number to 32-bits if the currently executing method
- * belongs to a 32-bit ACPI table.
- *
- ******************************************************************************/
-
-void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc)
-{
-
- ACPI_FUNCTION_ENTRY();
-
- /*
- * Object must be a valid number and we must be executing
- * a control method
- */
- if ((!obj_desc) ||
- (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) {
- return;
- }
-
- if (acpi_gbl_integer_byte_width == 4) {
- /*
- * We are running a method that exists in a 32-bit ACPI table.
- * Truncate the value to 32 bits by zeroing out the upper 32-bit field
- */
- obj_desc->integer.value &= (acpi_integer) ACPI_UINT32_MAX;
- }
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_acquire_global_lock
- *
- * PARAMETERS: field_flags - Flags with Lock rule:
- * always_lock or never_lock
- *
- * RETURN: TRUE/FALSE indicating whether the lock was actually acquired
- *
- * DESCRIPTION: Obtain the global lock and keep track of this fact via two
- * methods. A global variable keeps the state of the lock, and
- * the state is returned to the caller.
- *
- ******************************************************************************/
-
-u8 acpi_ex_acquire_global_lock(u32 field_flags)
-{
- u8 locked = FALSE;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("ex_acquire_global_lock");
-
- /* Only attempt lock if the always_lock bit is set */
-
- if (field_flags & AML_FIELD_LOCK_RULE_MASK) {
- /* We should attempt to get the lock, wait forever */
-
- status = acpi_ev_acquire_global_lock(ACPI_WAIT_FOREVER);
- if (ACPI_SUCCESS(status)) {
- locked = TRUE;
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Could not acquire Global Lock, %s\n",
- acpi_format_exception(status)));
- }
- }
-
- return_VALUE(locked);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_release_global_lock
- *
- * PARAMETERS: locked_by_me - Return value from corresponding call to
- * acquire_global_lock.
- *
- * RETURN: None
- *
- * DESCRIPTION: Release the global lock if it is locked.
- *
- ******************************************************************************/
-
-void acpi_ex_release_global_lock(u8 locked_by_me)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE("ex_release_global_lock");
-
- /* Only attempt unlock if the caller locked it */
-
- if (locked_by_me) {
- /* OK, now release the lock */
-
- status = acpi_ev_release_global_lock();
- if (ACPI_FAILURE(status)) {
- /* Report the error, but there isn't much else we can do */
-
- ACPI_REPORT_ERROR(("Could not release ACPI Global Lock, %s\n", acpi_format_exception(status)));
- }
- }
-
- return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_digits_needed
- *
- * PARAMETERS: Value - Value to be represented
- * Base - Base of representation
- *
- * RETURN: The number of digits.
- *
- * DESCRIPTION: Calculate the number of digits needed to represent the Value
- * in the given Base (Radix)
- *
- ******************************************************************************/
-
-static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
-{
- u32 num_digits;
- acpi_integer current_value;
-
- ACPI_FUNCTION_TRACE("ex_digits_needed");
-
- /* acpi_integer is unsigned, so we don't worry about a '-' prefix */
-
- if (value == 0) {
- return_VALUE(1);
- }
-
- current_value = value;
- num_digits = 0;
-
- /* Count the digits in the requested base */
-
- while (current_value) {
- (void)acpi_ut_short_divide(current_value, base, &current_value,
- NULL);
- num_digits++;
- }
-
- return_VALUE(num_digits);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_eisa_id_to_string
- *
- * PARAMETERS: numeric_id - EISA ID to be converted
- * out_string - Where to put the converted string (8 bytes)
- *
- * RETURN: None
- *
- * DESCRIPTION: Convert a numeric EISA ID to string representation
- *
- ******************************************************************************/
-
-void acpi_ex_eisa_id_to_string(u32 numeric_id, char *out_string)
-{
- u32 eisa_id;
-
- ACPI_FUNCTION_ENTRY();
-
- /* Swap ID to big-endian to get contiguous bits */
-
- eisa_id = acpi_ut_dword_byte_swap(numeric_id);
-
- out_string[0] = (char)('@' + (((unsigned long)eisa_id >> 26) & 0x1f));
- out_string[1] = (char)('@' + ((eisa_id >> 21) & 0x1f));
- out_string[2] = (char)('@' + ((eisa_id >> 16) & 0x1f));
- out_string[3] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 12);
- out_string[4] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 8);
- out_string[5] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 4);
- out_string[6] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 0);
- out_string[7] = 0;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ex_unsigned_integer_to_string
- *
- * PARAMETERS: Value - Value to be converted
- * out_string - Where to put the converted string (8 bytes)
- *
- * RETURN: None, string
- *
- * DESCRIPTION: Convert a number to string representation. Assumes string
- * buffer is large enough to hold the string.
- *
- ******************************************************************************/
-
-void acpi_ex_unsigned_integer_to_string(acpi_integer value, char *out_string)
-{
- u32 count;
- u32 digits_needed;
- u32 remainder;
-
- ACPI_FUNCTION_ENTRY();
-
- digits_needed = acpi_ex_digits_needed(value, 10);
- out_string[digits_needed] = 0;
-
- for (count = digits_needed; count > 0; count--) {
- (void)acpi_ut_short_divide(value, 10, &value, &remainder);
- out_string[count - 1] = (char)('0' + remainder);
- }
-}
-
-#endif
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