[mirror_ubuntu-zesty-kernel.git] / drivers / acpi / acpica / utglobal.c

/******************************************************************************
 *
 * Module Name: utglobal - Global variables for the ACPI subsystem
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2011, 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.
 */

#define DEFINE_ACPI_GLOBALS

#include <acpi/acpi.h>
#include "accommon.h"

#define _COMPONENT          ACPI_UTILITIES
ACPI_MODULE_NAME("utglobal")

/*******************************************************************************
 *
 * Static global variable initialization.
 *
 ******************************************************************************/
/*
 * We want the debug switches statically initialized so they
 * are already set when the debugger is entered.
 */
/* Debug switch - level and trace mask */
u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;

/* Debug switch - layer (component) mask */

u32 acpi_dbg_layer = 0;
u32 acpi_gbl_nesting_level = 0;

/* Debugger globals */

u8 acpi_gbl_db_terminate_threads = FALSE;
u8 acpi_gbl_abort_method = FALSE;
u8 acpi_gbl_method_executing = FALSE;

/* System flags */

u32 acpi_gbl_startup_flags = 0;

/* System starts uninitialized */

u8 acpi_gbl_shutdown = TRUE;

const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
	"\\_S0_",
	"\\_S1_",
	"\\_S2_",
	"\\_S3_",
	"\\_S4_",
	"\\_S5_"
};

const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = {
	"_S0W",
	"_S1W",
	"_S2W",
	"_S3W",
	"_S4W"
};

const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
	"_S1D",
	"_S2D",
	"_S3D",
	"_S4D"
};

/*******************************************************************************
 *
 * Namespace globals
 *
 ******************************************************************************/
/*
 * Predefined ACPI Names (Built-in to the Interpreter)
 *
 * NOTES:
 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
 *    during the initialization sequence.
 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
 *    perform a Notify() operation on it. 09/2010: Changed to type Device.
 *    This still allows notifies, but does not confuse host code that
 *    searches for valid thermal_zone objects.
 */
const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
	{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
	{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
	{"_SB_", ACPI_TYPE_DEVICE, NULL},
	{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
	{"_TZ_", ACPI_TYPE_DEVICE, NULL},
	{"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},
	{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
	{"_GL_", ACPI_TYPE_MUTEX, (char *)1},

#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
	{"_OSI", ACPI_TYPE_METHOD, (char *)1},
#endif

	/* Table terminator */

	{NULL, ACPI_TYPE_ANY, NULL}
};

/******************************************************************************
 *
 * Event and Hardware globals
 *
 ******************************************************************************/

struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
	/* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */

	/* ACPI_BITREG_TIMER_STATUS         */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_TIMER_STATUS,
						ACPI_BITMASK_TIMER_STATUS},
	/* ACPI_BITREG_BUS_MASTER_STATUS    */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_BUS_MASTER_STATUS,
						ACPI_BITMASK_BUS_MASTER_STATUS},
	/* ACPI_BITREG_GLOBAL_LOCK_STATUS   */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
						ACPI_BITMASK_GLOBAL_LOCK_STATUS},
	/* ACPI_BITREG_POWER_BUTTON_STATUS  */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_POWER_BUTTON_STATUS,
						ACPI_BITMASK_POWER_BUTTON_STATUS},
	/* ACPI_BITREG_SLEEP_BUTTON_STATUS  */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
						ACPI_BITMASK_SLEEP_BUTTON_STATUS},
	/* ACPI_BITREG_RT_CLOCK_STATUS      */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_RT_CLOCK_STATUS,
						ACPI_BITMASK_RT_CLOCK_STATUS},
	/* ACPI_BITREG_WAKE_STATUS          */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_WAKE_STATUS,
						ACPI_BITMASK_WAKE_STATUS},
	/* ACPI_BITREG_PCIEXP_WAKE_STATUS   */ {ACPI_REGISTER_PM1_STATUS,
						ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
						ACPI_BITMASK_PCIEXP_WAKE_STATUS},

	/* ACPI_BITREG_TIMER_ENABLE         */ {ACPI_REGISTER_PM1_ENABLE,
						ACPI_BITPOSITION_TIMER_ENABLE,
						ACPI_BITMASK_TIMER_ENABLE},
	/* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */ {ACPI_REGISTER_PM1_ENABLE,
						ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
						ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
	/* ACPI_BITREG_POWER_BUTTON_ENABLE  */ {ACPI_REGISTER_PM1_ENABLE,
						ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
						ACPI_BITMASK_POWER_BUTTON_ENABLE},
	/* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */ {ACPI_REGISTER_PM1_ENABLE,
						ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
						ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
	/* ACPI_BITREG_RT_CLOCK_ENABLE      */ {ACPI_REGISTER_PM1_ENABLE,
						ACPI_BITPOSITION_RT_CLOCK_ENABLE,
						ACPI_BITMASK_RT_CLOCK_ENABLE},
	/* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */ {ACPI_REGISTER_PM1_ENABLE,
						ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
						ACPI_BITMASK_PCIEXP_WAKE_DISABLE},

	/* ACPI_BITREG_SCI_ENABLE           */ {ACPI_REGISTER_PM1_CONTROL,
						ACPI_BITPOSITION_SCI_ENABLE,
						ACPI_BITMASK_SCI_ENABLE},
	/* ACPI_BITREG_BUS_MASTER_RLD       */ {ACPI_REGISTER_PM1_CONTROL,
						ACPI_BITPOSITION_BUS_MASTER_RLD,
						ACPI_BITMASK_BUS_MASTER_RLD},
	/* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */ {ACPI_REGISTER_PM1_CONTROL,
						ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
						ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
	/* ACPI_BITREG_SLEEP_TYPE           */ {ACPI_REGISTER_PM1_CONTROL,
						ACPI_BITPOSITION_SLEEP_TYPE,
						ACPI_BITMASK_SLEEP_TYPE},
	/* ACPI_BITREG_SLEEP_ENABLE         */ {ACPI_REGISTER_PM1_CONTROL,
						ACPI_BITPOSITION_SLEEP_ENABLE,
						ACPI_BITMASK_SLEEP_ENABLE},

	/* ACPI_BITREG_ARB_DIS              */ {ACPI_REGISTER_PM2_CONTROL,
						ACPI_BITPOSITION_ARB_DISABLE,
						ACPI_BITMASK_ARB_DISABLE}
};

struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
	/* ACPI_EVENT_PMTIMER       */ {ACPI_BITREG_TIMER_STATUS,
					ACPI_BITREG_TIMER_ENABLE,
					ACPI_BITMASK_TIMER_STATUS,
					ACPI_BITMASK_TIMER_ENABLE},
	/* ACPI_EVENT_GLOBAL        */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
					ACPI_BITREG_GLOBAL_LOCK_ENABLE,
					ACPI_BITMASK_GLOBAL_LOCK_STATUS,
					ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
	/* ACPI_EVENT_POWER_BUTTON  */ {ACPI_BITREG_POWER_BUTTON_STATUS,
					ACPI_BITREG_POWER_BUTTON_ENABLE,
					ACPI_BITMASK_POWER_BUTTON_STATUS,
					ACPI_BITMASK_POWER_BUTTON_ENABLE},
	/* ACPI_EVENT_SLEEP_BUTTON  */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
					ACPI_BITREG_SLEEP_BUTTON_ENABLE,
					ACPI_BITMASK_SLEEP_BUTTON_STATUS,
					ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
	/* ACPI_EVENT_RTC           */ {ACPI_BITREG_RT_CLOCK_STATUS,
					ACPI_BITREG_RT_CLOCK_ENABLE,
					ACPI_BITMASK_RT_CLOCK_STATUS,
					ACPI_BITMASK_RT_CLOCK_ENABLE},
};

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_init_globals
 *
 * PARAMETERS:  None
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Init library globals.  All globals that require specific
 *              initialization should be initialized here!
 *
 ******************************************************************************/

acpi_status acpi_ut_init_globals(void)
{
	acpi_status status;
	u32 i;

	ACPI_FUNCTION_TRACE(ut_init_globals);

	/* Create all memory caches */

	status = acpi_ut_create_caches();
	if (ACPI_FAILURE(status)) {
		return_ACPI_STATUS(status);
	}

	/* Mutex locked flags */

	for (i = 0; i < ACPI_NUM_MUTEX; i++) {
		acpi_gbl_mutex_info[i].mutex = NULL;
		acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
		acpi_gbl_mutex_info[i].use_count = 0;
	}

	for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {
		acpi_gbl_owner_id_mask[i] = 0;
	}

	/* Last owner_iD is never valid */

	acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;

	/* GPE support */

	acpi_gbl_gpe_xrupt_list_head = NULL;
	acpi_gbl_gpe_fadt_blocks[0] = NULL;
	acpi_gbl_gpe_fadt_blocks[1] = NULL;
	acpi_current_gpe_count = 0;
	acpi_gbl_all_gpes_initialized = FALSE;

	/* Global handlers */

	acpi_gbl_system_notify.handler = NULL;
	acpi_gbl_device_notify.handler = NULL;
	acpi_gbl_exception_handler = NULL;
	acpi_gbl_init_handler = NULL;
	acpi_gbl_table_handler = NULL;
	acpi_gbl_interface_handler = NULL;
	acpi_gbl_global_event_handler = NULL;

	/* Global Lock support */

	acpi_gbl_global_lock_semaphore = NULL;
	acpi_gbl_global_lock_mutex = NULL;
	acpi_gbl_global_lock_acquired = FALSE;
	acpi_gbl_global_lock_handle = 0;
	acpi_gbl_global_lock_present = FALSE;

	/* Miscellaneous variables */

	acpi_gbl_DSDT = NULL;
	acpi_gbl_cm_single_step = FALSE;
	acpi_gbl_db_terminate_threads = FALSE;
	acpi_gbl_shutdown = FALSE;
	acpi_gbl_ns_lookup_count = 0;
	acpi_gbl_ps_find_count = 0;
	acpi_gbl_acpi_hardware_present = TRUE;
	acpi_gbl_last_owner_id_index = 0;
	acpi_gbl_next_owner_id_offset = 0;
	acpi_gbl_trace_method_name = 0;
	acpi_gbl_trace_dbg_level = 0;
	acpi_gbl_trace_dbg_layer = 0;
	acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
	acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
	acpi_gbl_osi_data = 0;
	acpi_gbl_osi_mutex = NULL;
	acpi_gbl_reg_methods_executed = FALSE;

	/* Hardware oriented */

	acpi_gbl_events_initialized = FALSE;
	acpi_gbl_system_awake_and_running = TRUE;

	/* Namespace */

	acpi_gbl_module_code_list = NULL;
	acpi_gbl_root_node = NULL;
	acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
	acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
	acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
	acpi_gbl_root_node_struct.parent = NULL;
	acpi_gbl_root_node_struct.child = NULL;
	acpi_gbl_root_node_struct.peer = NULL;
	acpi_gbl_root_node_struct.object = NULL;

#ifdef ACPI_DEBUG_OUTPUT
	acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
#endif

#ifdef ACPI_DBG_TRACK_ALLOCATIONS
	acpi_gbl_display_final_mem_stats = FALSE;
#endif

	return_ACPI_STATUS(AE_OK);
}

ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
ACPI_EXPORT_SYMBOL(acpi_dbg_level)
ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)
Commit	Line	Data
1da177e4 LT	1	/******************************************************************************
	2	*
	3	* Module Name: utglobal - Global variables for the ACPI subsystem
	4	*
	5	*****************************************************************************/
	6
	7	/*
b4e104ea	8	* Copyright (C) 2000 - 2011, Intel Corp.
1da177e4 LT	9	* All rights reserved.
	10	*
	11	* Redistribution and use in source and binary forms, with or without
	12	* modification, are permitted provided that the following conditions
	13	* are met:
	14	* 1. Redistributions of source code must retain the above copyright
	15	* notice, this list of conditions, and the following disclaimer,
	16	* without modification.
	17	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	18	* substantially similar to the "NO WARRANTY" disclaimer below
	19	* ("Disclaimer") and any redistribution must be conditioned upon
	20	* including a substantially similar Disclaimer requirement for further
	21	* binary redistribution.
	22	* 3. Neither the names of the above-listed copyright holders nor the names
	23	* of any contributors may be used to endorse or promote products derived
	24	* from this software without specific prior written permission.
	25	*
	26	* Alternatively, this software may be distributed under the terms of the
	27	* GNU General Public License ("GPL") version 2 as published by the Free
	28	* Software Foundation.
	29	*
	30	* NO WARRANTY
	31	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	32	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	33	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	34	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	35	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	36	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	37	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	38	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	39	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	40	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	41	* POSSIBILITY OF SUCH DAMAGES.
	42	*/
	43
	44	#define DEFINE_ACPI_GLOBALS
	45
1da177e4	46	#include <acpi/acpi.h>
e2f7a777	47	#include "accommon.h"
1da177e4 LT	48
1da177e4 LT	49	#define _COMPONENT ACPI_UTILITIES
e97d6bf1	50	ACPI_MODULE_NAME("utglobal")
1da177e4	51
44f6c012	52	/*******************************************************************************
1da177e4 LT	53	*
	54	* Static global variable initialization.
	55	*
	56	******************************************************************************/
1da177e4 LT	57	/*
	58	* We want the debug switches statically initialized so they
	59	* are already set when the debugger is entered.
	60	*/
1da177e4	61	/* Debug switch - level and trace mask */
4be44fcd	62	u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
1da177e4 LT	63
	64	/* Debug switch - layer (component) mask */
	65
e76f4276	66	u32 acpi_dbg_layer = 0;
4be44fcd	67	u32 acpi_gbl_nesting_level = 0;
1da177e4 LT	68
	69	/* Debugger globals */
	70
4be44fcd LB	71	u8 acpi_gbl_db_terminate_threads = FALSE;
	72	u8 acpi_gbl_abort_method = FALSE;
	73	u8 acpi_gbl_method_executing = FALSE;
1da177e4 LT	74
	75	/* System flags */
	76
4be44fcd	77	u32 acpi_gbl_startup_flags = 0;
1da177e4 LT	78
	79	/* System starts uninitialized */
	80
4be44fcd	81	u8 acpi_gbl_shutdown = TRUE;
1da177e4	82
4be44fcd	83	const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
1da177e4 LT	84	"\\_S0_",
	85	"\\_S1_",
	86	"\\_S2_",
	87	"\\_S3_",
	88	"\\_S4_",
	89	"\\_S5_"
	90	};
	91
15b8dd53 BM	92	const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = {
	93	"_S0W",
	94	"_S1W",
	95	"_S2W",
	96	"_S3W",
	97	"_S4W"
	98	};
	99
	100	const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
1da177e4 LT	101	"_S1D",
	102	"_S2D",
	103	"_S3D",
	104	"_S4D"
	105	};
	106
84fb2c97 BM	107	/*******************************************************************************
	108	*
	109	* Namespace globals
	110	*
	111	******************************************************************************/
1da177e4 LT	112	/*
	113	* Predefined ACPI Names (Built-in to the Interpreter)
	114	*
	115	* NOTES:
	116	* 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
	117	* during the initialization sequence.
	118	* 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
81256669 BM	119	* perform a Notify() operation on it. 09/2010: Changed to type Device.
	120	* This still allows notifies, but does not confuse host code that
	121	* searches for valid thermal_zone objects.
1da177e4	122	*/
0897831b BM	123	const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
	124	{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
	125	{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
	126	{"_SB_", ACPI_TYPE_DEVICE, NULL},
	127	{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
81256669	128	{"_TZ_", ACPI_TYPE_DEVICE, NULL},
0897831b BM	129	{"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL},
	130	{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
	131	{"_GL_", ACPI_TYPE_MUTEX, (char *)1},
1da177e4 LT	132
1da177e4 LT	133	#if !defined (ACPI_NO_METHOD_EXECUTION) \|\| defined (ACPI_CONSTANT_EVAL_ONLY)
0897831b	134	{"_OSI", ACPI_TYPE_METHOD, (char *)1},
1da177e4	135	#endif
1da177e4	136
44f6c012 RM	137	/* Table terminator */
44f6c012 RM	138
0897831b	139	{NULL, ACPI_TYPE_ANY, NULL}
44f6c012	140	};
1da177e4	141
1da177e4 LT	142	/******************************************************************************
	143	*
	144	* Event and Hardware globals
	145	*
	146	******************************************************************************/
	147
4be44fcd	148	struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
1da177e4 LT	149	/* Name Parent Register Register Bit Position Register Bit Mask */
1da177e4 LT	150
4be44fcd LB	151	/* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	152	ACPI_BITPOSITION_TIMER_STATUS,
	153	ACPI_BITMASK_TIMER_STATUS},
	154	/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	155	ACPI_BITPOSITION_BUS_MASTER_STATUS,
	156	ACPI_BITMASK_BUS_MASTER_STATUS},
	157	/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	158	ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
	159	ACPI_BITMASK_GLOBAL_LOCK_STATUS},
	160	/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	161	ACPI_BITPOSITION_POWER_BUTTON_STATUS,
	162	ACPI_BITMASK_POWER_BUTTON_STATUS},
	163	/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	164	ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
	165	ACPI_BITMASK_SLEEP_BUTTON_STATUS},
	166	/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	167	ACPI_BITPOSITION_RT_CLOCK_STATUS,
	168	ACPI_BITMASK_RT_CLOCK_STATUS},
	169	/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	170	ACPI_BITPOSITION_WAKE_STATUS,
	171	ACPI_BITMASK_WAKE_STATUS},
	172	/* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
	173	ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
	174	ACPI_BITMASK_PCIEXP_WAKE_STATUS},
	175
	176	/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
	177	ACPI_BITPOSITION_TIMER_ENABLE,
	178	ACPI_BITMASK_TIMER_ENABLE},
	179	/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
	180	ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
	181	ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
	182	/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
	183	ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
	184	ACPI_BITMASK_POWER_BUTTON_ENABLE},
	185	/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
	186	ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
	187	ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
	188	/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
	189	ACPI_BITPOSITION_RT_CLOCK_ENABLE,
	190	ACPI_BITMASK_RT_CLOCK_ENABLE},
4be44fcd LB	191	/* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE,
	192	ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
	193	ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
	194
	195	/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
	196	ACPI_BITPOSITION_SCI_ENABLE,
	197	ACPI_BITMASK_SCI_ENABLE},
	198	/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL,
	199	ACPI_BITPOSITION_BUS_MASTER_RLD,
	200	ACPI_BITMASK_BUS_MASTER_RLD},
	201	/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL,
	202	ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
	203	ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
82d79b86 BM	204	/* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL,
	205	ACPI_BITPOSITION_SLEEP_TYPE,
	206	ACPI_BITMASK_SLEEP_TYPE},
4be44fcd LB	207	/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
	208	ACPI_BITPOSITION_SLEEP_ENABLE,
	209	ACPI_BITMASK_SLEEP_ENABLE},
	210
	211	/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL,
	212	ACPI_BITPOSITION_ARB_DISABLE,
	213	ACPI_BITMASK_ARB_DISABLE}
1da177e4 LT	214	};
1da177e4 LT	215
4be44fcd LB	216	struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
	217	/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS,
	218	ACPI_BITREG_TIMER_ENABLE,
	219	ACPI_BITMASK_TIMER_STATUS,
	220	ACPI_BITMASK_TIMER_ENABLE},
	221	/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
	222	ACPI_BITREG_GLOBAL_LOCK_ENABLE,
	223	ACPI_BITMASK_GLOBAL_LOCK_STATUS,
	224	ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
	225	/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS,
	226	ACPI_BITREG_POWER_BUTTON_ENABLE,
	227	ACPI_BITMASK_POWER_BUTTON_STATUS,
	228	ACPI_BITMASK_POWER_BUTTON_ENABLE},
	229	/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
	230	ACPI_BITREG_SLEEP_BUTTON_ENABLE,
	231	ACPI_BITMASK_SLEEP_BUTTON_STATUS,
	232	ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
	233	/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS,
	234	ACPI_BITREG_RT_CLOCK_ENABLE,
	235	ACPI_BITMASK_RT_CLOCK_STATUS,
	236	ACPI_BITMASK_RT_CLOCK_ENABLE},
1da177e4 LT	237	};
1da177e4 LT	238
44f6c012	239	/*******************************************************************************
1da177e4 LT	240	*
	241	* FUNCTION: acpi_ut_init_globals
	242	*
44f6c012 RM	243	* PARAMETERS: None
44f6c012 RM	244	*
b417d40b	245	* RETURN: Status
1da177e4 LT	246	*
	247	* DESCRIPTION: Init library globals. All globals that require specific
	248	* initialization should be initialized here!
	249	*
44f6c012	250	******************************************************************************/
1da177e4	251
b417d40b	252	acpi_status acpi_ut_init_globals(void)
1da177e4	253	{
4be44fcd LB	254	acpi_status status;
4be44fcd LB	255	u32 i;
1da177e4	256
b229cf92	257	ACPI_FUNCTION_TRACE(ut_init_globals);
1da177e4	258
73459f73 RM	259	/* Create all memory caches */
73459f73 RM	260
4be44fcd LB	261	status = acpi_ut_create_caches();
4be44fcd LB	262	if (ACPI_FAILURE(status)) {
b417d40b	263	return_ACPI_STATUS(status);
73459f73	264	}
1da177e4	265
1da177e4 LT	266	/* Mutex locked flags */
1da177e4 LT	267
4c90ece2	268	for (i = 0; i < ACPI_NUM_MUTEX; i++) {
4be44fcd LB	269	acpi_gbl_mutex_info[i].mutex = NULL;
	270	acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
	271	acpi_gbl_mutex_info[i].use_count = 0;
1da177e4 LT	272	}
1da177e4 LT	273
28f55ebc BM	274	for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) {
	275	acpi_gbl_owner_id_mask[i] = 0;
	276	}
ec41f193 BM	277
	278	/* Last owner_iD is never valid */
	279
	280	acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
28f55ebc	281
1da177e4 LT	282	/* GPE support */
1da177e4 LT	283
4be44fcd LB	284	acpi_gbl_gpe_xrupt_list_head = NULL;
	285	acpi_gbl_gpe_fadt_blocks[0] = NULL;
	286	acpi_gbl_gpe_fadt_blocks[1] = NULL;
e97d6bf1	287	acpi_current_gpe_count = 0;
3a37898d	288	acpi_gbl_all_gpes_initialized = FALSE;
1da177e4	289
3e08e2d2	290	/* Global handlers */
1da177e4	291
4be44fcd LB	292	acpi_gbl_system_notify.handler = NULL;
	293	acpi_gbl_device_notify.handler = NULL;
	294	acpi_gbl_exception_handler = NULL;
	295	acpi_gbl_init_handler = NULL;
3e08e2d2	296	acpi_gbl_table_handler = NULL;
b0ed7a91	297	acpi_gbl_interface_handler = NULL;
a0fcdb23	298	acpi_gbl_global_event_handler = NULL;
1da177e4	299
1da177e4 LT	300	/* Global Lock support */
1da177e4 LT	301
967440e3	302	acpi_gbl_global_lock_semaphore = NULL;
c81da666	303	acpi_gbl_global_lock_mutex = NULL;
4be44fcd	304	acpi_gbl_global_lock_acquired = FALSE;
4be44fcd	305	acpi_gbl_global_lock_handle = 0;
009c4cbe	306	acpi_gbl_global_lock_present = FALSE;
1da177e4 LT	307
	308	/* Miscellaneous variables */
	309
43323cb4	310	acpi_gbl_DSDT = NULL;
4be44fcd LB	311	acpi_gbl_cm_single_step = FALSE;
	312	acpi_gbl_db_terminate_threads = FALSE;
	313	acpi_gbl_shutdown = FALSE;
	314	acpi_gbl_ns_lookup_count = 0;
	315	acpi_gbl_ps_find_count = 0;
	316	acpi_gbl_acpi_hardware_present = TRUE;
28f55ebc BM	317	acpi_gbl_last_owner_id_index = 0;
28f55ebc BM	318	acpi_gbl_next_owner_id_offset = 0;
50eca3eb BM	319	acpi_gbl_trace_method_name = 0;
	320	acpi_gbl_trace_dbg_level = 0;
	321	acpi_gbl_trace_dbg_layer = 0;
4be44fcd LB	322	acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
4be44fcd LB	323	acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
7f071903	324	acpi_gbl_osi_data = 0;
b0ed7a91	325	acpi_gbl_osi_mutex = NULL;
ef09c4f5	326	acpi_gbl_reg_methods_executed = FALSE;
1da177e4 LT	327
	328	/* Hardware oriented */
	329
4be44fcd LB	330	acpi_gbl_events_initialized = FALSE;
4be44fcd LB	331	acpi_gbl_system_awake_and_running = TRUE;
1da177e4 LT	332
	333	/* Namespace */
	334
7f0c826a	335	acpi_gbl_module_code_list = NULL;
4be44fcd	336	acpi_gbl_root_node = NULL;
1da177e4	337	acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
61686124	338	acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
4be44fcd	339	acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
c45b5c09	340	acpi_gbl_root_node_struct.parent = NULL;
4be44fcd LB	341	acpi_gbl_root_node_struct.child = NULL;
	342	acpi_gbl_root_node_struct.peer = NULL;
	343	acpi_gbl_root_node_struct.object = NULL;
1da177e4 LT	344
1da177e4 LT	345	#ifdef ACPI_DEBUG_OUTPUT
1d18c058	346	acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
1da177e4 LT	347	#endif
1da177e4 LT	348
d41eb99b BM	349	#ifdef ACPI_DBG_TRACK_ALLOCATIONS
	350	acpi_gbl_display_final_mem_stats = FALSE;
	351	#endif
	352
b417d40b	353	return_ACPI_STATUS(AE_OK);
1da177e4	354	}
8313524a	355
e97d6bf1	356	ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
8313524a	357	ACPI_EXPORT_SYMBOL(acpi_dbg_level)
1044f1f6	358	ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
e97d6bf1	359	ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)