Initial import

1 files changed, 315 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c
new file mode 100644
index 000000000..e402e07b4
--- /dev/null
+++ b/drivers/acpi/acpica/utinit.c
@@ -0,0 +1,315 @@
+/******************************************************************************
+ *
+ * Module Name: utinit - Common ACPI subsystem initialization
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2015, 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>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acevents.h"
+#include "actables.h"
+
+#define _COMPONENT          ACPI_UTILITIES
+ACPI_MODULE_NAME("utinit")
+
+/* Local prototypes */
+static void acpi_ut_terminate(void);
+
+#if (!ACPI_REDUCED_HARDWARE)
+
+static void acpi_ut_free_gpe_lists(void);
+
+#else
+
+#define acpi_ut_free_gpe_lists()
+#endif				/* !ACPI_REDUCED_HARDWARE */
+
+#if (!ACPI_REDUCED_HARDWARE)
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_free_gpe_lists
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Free global GPE lists
+ *
+ ******************************************************************************/
+
+static void acpi_ut_free_gpe_lists(void)
+{
+	struct acpi_gpe_block_info *gpe_block;
+	struct acpi_gpe_block_info *next_gpe_block;
+	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
+	struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
+
+	/* Free global GPE blocks and related info structures */
+
+	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
+	while (gpe_xrupt_info) {
+		gpe_block = gpe_xrupt_info->gpe_block_list_head;
+		while (gpe_block) {
+			next_gpe_block = gpe_block->next;
+			ACPI_FREE(gpe_block->event_info);
+			ACPI_FREE(gpe_block->register_info);
+			ACPI_FREE(gpe_block);
+
+			gpe_block = next_gpe_block;
+		}
+		next_gpe_xrupt_info = gpe_xrupt_info->next;
+		ACPI_FREE(gpe_xrupt_info);
+		gpe_xrupt_info = next_gpe_xrupt_info;
+	}
+}
+#endif				/* !ACPI_REDUCED_HARDWARE */
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_init_globals
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Initialize ACPICA globals. All globals that require specific
+ *              initialization should be initialized here. This allows for
+ *              a warm restart.
+ *
+ ******************************************************************************/
+
+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);
+	}
+
+	/* Address Range lists */
+
+	for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) {
+		acpi_gbl_address_range_list[i] = NULL;
+	}
+
+	/* 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;
+
+	/* Event counters */
+
+	acpi_method_count = 0;
+	acpi_sci_count = 0;
+	acpi_gpe_count = 0;
+
+	for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
+		acpi_fixed_event_count[i] = 0;
+	}
+
+#if (!ACPI_REDUCED_HARDWARE)
+
+	/* GPE/SCI support */
+
+	acpi_gbl_all_gpes_initialized = FALSE;
+	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_global_event_handler = NULL;
+	acpi_gbl_sci_handler_list = NULL;
+
+#endif				/* !ACPI_REDUCED_HARDWARE */
+
+	/* Global handlers */
+
+	acpi_gbl_global_notify[0].handler = NULL;
+	acpi_gbl_global_notify[1].handler = NULL;
+	acpi_gbl_exception_handler = NULL;
+	acpi_gbl_init_handler = NULL;
+	acpi_gbl_table_handler = NULL;
+	acpi_gbl_interface_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_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_dbg_level = 0;
+	acpi_gbl_trace_dbg_layer = 0;
+	acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
+	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_DISASSEMBLER
+	acpi_gbl_external_list = NULL;
+	acpi_gbl_num_external_methods = 0;
+	acpi_gbl_resolved_external_methods = 0;
+#endif
+
+#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;
+	acpi_gbl_disable_mem_tracking = FALSE;
+#endif
+
+	ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = FALSE);
+
+	return_ACPI_STATUS(AE_OK);
+}
+
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_terminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Free global memory
+ *
+ ******************************************************************************/
+
+static void acpi_ut_terminate(void)
+{
+	ACPI_FUNCTION_TRACE(ut_terminate);
+
+	acpi_ut_free_gpe_lists();
+	acpi_ut_delete_address_lists();
+	return_VOID;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_subsystem_shutdown
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Shutdown the various components. Do not delete the mutex
+ *              objects here, because the AML debugger may be still running.
+ *
+ ******************************************************************************/
+
+void acpi_ut_subsystem_shutdown(void)
+{
+	ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
+
+#ifndef ACPI_ASL_COMPILER
+
+	/* Close the acpi_event Handling */
+
+	acpi_ev_terminate();
+
+	/* Delete any dynamic _OSI interfaces */
+
+	acpi_ut_interface_terminate();
+#endif
+
+	/* Close the Namespace */
+
+	acpi_ns_terminate();
+
+	/* Delete the ACPI tables */
+
+	acpi_tb_terminate();
+
+	/* Close the globals */
+
+	acpi_ut_terminate();
+
+	/* Purge the local caches */
+
+	(void)acpi_ut_delete_caches();
+	return_VOID;
+}