375 lines
12 KiB
C
375 lines
12 KiB
C
/******************************************************************************
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*
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* Module Name: utglobal - Global variables for the ACPI subsystem
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2012, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#define DEFINE_ACPI_GLOBALS
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#include <linux/export.h>
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#include <acpi/acpi.h>
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#include "accommon.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME("utglobal")
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/*******************************************************************************
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*
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* Static global variable initialization.
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*
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******************************************************************************/
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/*
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* We want the debug switches statically initialized so they
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* are already set when the debugger is entered.
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*/
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/* Debug switch - level and trace mask */
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u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
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/* Debug switch - layer (component) mask */
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u32 acpi_dbg_layer = 0;
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u32 acpi_gbl_nesting_level = 0;
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/* Debugger globals */
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u8 acpi_gbl_db_terminate_threads = FALSE;
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u8 acpi_gbl_abort_method = FALSE;
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u8 acpi_gbl_method_executing = FALSE;
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/* System flags */
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u32 acpi_gbl_startup_flags = 0;
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/* System starts uninitialized */
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u8 acpi_gbl_shutdown = TRUE;
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const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
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"\\_S0_",
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"\\_S1_",
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"\\_S2_",
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"\\_S3_",
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"\\_S4_",
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"\\_S5_"
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};
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const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = {
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"_S0W",
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"_S1W",
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"_S2W",
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"_S3W",
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"_S4W"
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};
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const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
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"_S1D",
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"_S2D",
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"_S3D",
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"_S4D"
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};
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/*******************************************************************************
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*
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* Namespace globals
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*
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******************************************************************************/
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/*
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* Predefined ACPI Names (Built-in to the Interpreter)
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*
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* NOTES:
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* 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
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* during the initialization sequence.
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* 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
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* perform a Notify() operation on it. 09/2010: Changed to type Device.
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* This still allows notifies, but does not confuse host code that
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* searches for valid thermal_zone objects.
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*/
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const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
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{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_SB_", ACPI_TYPE_DEVICE, NULL},
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{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
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{"_TZ_", ACPI_TYPE_DEVICE, NULL},
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{"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},
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{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
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{"_GL_", ACPI_TYPE_MUTEX, (char *)1},
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#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
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{"_OSI", ACPI_TYPE_METHOD, (char *)1},
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#endif
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/* Table terminator */
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{NULL, ACPI_TYPE_ANY, NULL}
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};
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#if (!ACPI_REDUCED_HARDWARE)
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/******************************************************************************
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*
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* Event and Hardware globals
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*
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******************************************************************************/
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struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
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/* Name Parent Register Register Bit Position Register Bit Mask */
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/* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_TIMER_STATUS,
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ACPI_BITMASK_TIMER_STATUS},
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/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_BUS_MASTER_STATUS,
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ACPI_BITMASK_BUS_MASTER_STATUS},
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/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
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ACPI_BITMASK_GLOBAL_LOCK_STATUS},
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/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_POWER_BUTTON_STATUS,
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ACPI_BITMASK_POWER_BUTTON_STATUS},
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/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
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ACPI_BITMASK_SLEEP_BUTTON_STATUS},
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/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_RT_CLOCK_STATUS,
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ACPI_BITMASK_RT_CLOCK_STATUS},
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/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_WAKE_STATUS,
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ACPI_BITMASK_WAKE_STATUS},
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/* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
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ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
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ACPI_BITMASK_PCIEXP_WAKE_STATUS},
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/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_TIMER_ENABLE,
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ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
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ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
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ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
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ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_RT_CLOCK_ENABLE,
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ACPI_BITMASK_RT_CLOCK_ENABLE},
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/* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE,
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ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
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ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
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/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_SCI_ENABLE,
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ACPI_BITMASK_SCI_ENABLE},
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/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_BUS_MASTER_RLD,
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ACPI_BITMASK_BUS_MASTER_RLD},
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/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
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ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
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/* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_SLEEP_TYPE,
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ACPI_BITMASK_SLEEP_TYPE},
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/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
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ACPI_BITPOSITION_SLEEP_ENABLE,
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ACPI_BITMASK_SLEEP_ENABLE},
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/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL,
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ACPI_BITPOSITION_ARB_DISABLE,
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ACPI_BITMASK_ARB_DISABLE}
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};
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struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
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/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS,
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ACPI_BITREG_TIMER_ENABLE,
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ACPI_BITMASK_TIMER_STATUS,
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ACPI_BITMASK_TIMER_ENABLE},
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/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
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ACPI_BITREG_GLOBAL_LOCK_ENABLE,
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ACPI_BITMASK_GLOBAL_LOCK_STATUS,
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ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
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/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS,
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ACPI_BITREG_POWER_BUTTON_ENABLE,
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ACPI_BITMASK_POWER_BUTTON_STATUS,
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ACPI_BITMASK_POWER_BUTTON_ENABLE},
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/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
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ACPI_BITREG_SLEEP_BUTTON_ENABLE,
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ACPI_BITMASK_SLEEP_BUTTON_STATUS,
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ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
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/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS,
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ACPI_BITREG_RT_CLOCK_ENABLE,
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ACPI_BITMASK_RT_CLOCK_STATUS,
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ACPI_BITMASK_RT_CLOCK_ENABLE},
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};
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#endif /* !ACPI_REDUCED_HARDWARE */
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_init_globals
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Initialize ACPICA globals. All globals that require specific
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* initialization should be initialized here. This allows for
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* a warm restart.
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*
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******************************************************************************/
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acpi_status acpi_ut_init_globals(void)
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{
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acpi_status status;
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u32 i;
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ACPI_FUNCTION_TRACE(ut_init_globals);
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/* Create all memory caches */
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status = acpi_ut_create_caches();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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/* Address Range lists */
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for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) {
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acpi_gbl_address_range_list[i] = NULL;
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}
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/* Mutex locked flags */
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for (i = 0; i < ACPI_NUM_MUTEX; i++) {
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acpi_gbl_mutex_info[i].mutex = NULL;
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acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
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acpi_gbl_mutex_info[i].use_count = 0;
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}
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for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {
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acpi_gbl_owner_id_mask[i] = 0;
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}
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/* Last owner_ID is never valid */
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acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
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#if (!ACPI_REDUCED_HARDWARE)
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/* GPE support */
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acpi_gbl_gpe_xrupt_list_head = NULL;
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acpi_gbl_gpe_fadt_blocks[0] = NULL;
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acpi_gbl_gpe_fadt_blocks[1] = NULL;
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acpi_current_gpe_count = 0;
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acpi_gbl_all_gpes_initialized = FALSE;
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acpi_gbl_global_event_handler = NULL;
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#endif /* !ACPI_REDUCED_HARDWARE */
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/* Global handlers */
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acpi_gbl_global_notify[0].handler = NULL;
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acpi_gbl_global_notify[1].handler = NULL;
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acpi_gbl_exception_handler = NULL;
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acpi_gbl_init_handler = NULL;
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acpi_gbl_table_handler = NULL;
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acpi_gbl_interface_handler = NULL;
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/* Global Lock support */
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acpi_gbl_global_lock_semaphore = NULL;
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acpi_gbl_global_lock_mutex = NULL;
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acpi_gbl_global_lock_acquired = FALSE;
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acpi_gbl_global_lock_handle = 0;
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acpi_gbl_global_lock_present = FALSE;
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/* Miscellaneous variables */
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acpi_gbl_DSDT = NULL;
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acpi_gbl_cm_single_step = FALSE;
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acpi_gbl_db_terminate_threads = FALSE;
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acpi_gbl_shutdown = FALSE;
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acpi_gbl_ns_lookup_count = 0;
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acpi_gbl_ps_find_count = 0;
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acpi_gbl_acpi_hardware_present = TRUE;
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acpi_gbl_last_owner_id_index = 0;
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acpi_gbl_next_owner_id_offset = 0;
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acpi_gbl_trace_method_name = 0;
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acpi_gbl_trace_dbg_level = 0;
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acpi_gbl_trace_dbg_layer = 0;
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acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
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acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
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acpi_gbl_osi_data = 0;
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acpi_gbl_osi_mutex = NULL;
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acpi_gbl_reg_methods_executed = FALSE;
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/* Hardware oriented */
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acpi_gbl_events_initialized = FALSE;
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acpi_gbl_system_awake_and_running = TRUE;
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/* Namespace */
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acpi_gbl_module_code_list = NULL;
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acpi_gbl_root_node = NULL;
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acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
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acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
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acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
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acpi_gbl_root_node_struct.parent = NULL;
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acpi_gbl_root_node_struct.child = NULL;
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acpi_gbl_root_node_struct.peer = NULL;
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acpi_gbl_root_node_struct.object = NULL;
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#ifdef ACPI_DEBUG_OUTPUT
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acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
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#endif
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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acpi_gbl_display_final_mem_stats = FALSE;
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#endif
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return_ACPI_STATUS(AE_OK);
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}
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ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
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ACPI_EXPORT_SYMBOL(acpi_dbg_level)
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ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
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ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)
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