Initial import

1 files changed, 463 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
new file mode 100644
index 000000000..3e9720e1f
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+++ b/drivers/acpi/acpica/acobject.h
@@ -0,0 +1,463 @@
+/******************************************************************************
+ *
+ * Name: acobject.h - Definition of union acpi_operand_object  (Internal object only)
+ *
+ *****************************************************************************/
+
+/*
+ * 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.
+ */
+
+#ifndef _ACOBJECT_H
+#define _ACOBJECT_H
+
+/* acpisrc:struct_defs -- for acpisrc conversion */
+
+/*
+ * The union acpi_operand_object is used to pass AML operands from the dispatcher
+ * to the interpreter, and to keep track of the various handlers such as
+ * address space handlers and notify handlers. The object is a constant
+ * size in order to allow it to be cached and reused.
+ *
+ * Note: The object is optimized to be aligned and will not work if it is
+ * byte-packed.
+ */
+#if ACPI_MACHINE_WIDTH == 64
+#pragma pack(8)
+#else
+#pragma pack(4)
+#endif
+
+/*******************************************************************************
+ *
+ * Common Descriptors
+ *
+ ******************************************************************************/
+
+/*
+ * Common area for all objects.
+ *
+ * descriptor_type is used to differentiate between internal descriptors, and
+ * must be in the same place across all descriptors
+ *
+ * Note: The descriptor_type and Type fields must appear in the identical
+ * position in both the struct acpi_namespace_node and union acpi_operand_object
+ * structures.
+ */
+#define ACPI_OBJECT_COMMON_HEADER \
+	union acpi_operand_object       *next_object;       /* Objects linked to parent NS node */\
+	u8                              descriptor_type;    /* To differentiate various internal objs */\
+	u8                              type;               /* acpi_object_type */\
+	u16                             reference_count;    /* For object deletion management */\
+	u8                              flags;
+	/*
+	 * Note: There are 3 bytes available here before the
+	 * next natural alignment boundary (for both 32/64 cases)
+	 */
+
+/* Values for Flag byte above */
+
+#define AOPOBJ_AML_CONSTANT         0x01	/* Integer is an AML constant */
+#define AOPOBJ_STATIC_POINTER       0x02	/* Data is part of an ACPI table, don't delete */
+#define AOPOBJ_DATA_VALID           0x04	/* Object is initialized and data is valid */
+#define AOPOBJ_OBJECT_INITIALIZED   0x08	/* Region is initialized, _REG was run */
+#define AOPOBJ_SETUP_COMPLETE       0x10	/* Region setup is complete */
+#define AOPOBJ_INVALID              0x20	/* Host OS won't allow a Region address */
+
+/******************************************************************************
+ *
+ * Basic data types
+ *
+ *****************************************************************************/
+
+struct acpi_object_common {
+ACPI_OBJECT_COMMON_HEADER};
+
+struct acpi_object_integer {
+	ACPI_OBJECT_COMMON_HEADER u8 fill[3];	/* Prevent warning on some compilers */
+	u64 value;
+};
+
+/*
+ * Note: The String and Buffer object must be identical through the
+ * pointer and length elements. There is code that depends on this.
+ *
+ * Fields common to both Strings and Buffers
+ */
+#define ACPI_COMMON_BUFFER_INFO(_type) \
+	_type                           *pointer; \
+	u32                             length;
+
+struct acpi_object_string {	/* Null terminated, ASCII characters only */
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(char)	/* String in AML stream or allocated string */
+};
+
+struct acpi_object_buffer {
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(u8)	/* Buffer in AML stream or allocated buffer */
+	u32 aml_length;
+	u8 *aml_start;
+	struct acpi_namespace_node *node;	/* Link back to parent node */
+};
+
+struct acpi_object_package {
+	ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node;	/* Link back to parent node */
+	union acpi_operand_object **elements;	/* Array of pointers to acpi_objects */
+	u8 *aml_start;
+	u32 aml_length;
+	u32 count;		/* # of elements in package */
+};
+
+/******************************************************************************
+ *
+ * Complex data types
+ *
+ *****************************************************************************/
+
+struct acpi_object_event {
+	ACPI_OBJECT_COMMON_HEADER acpi_semaphore os_semaphore;	/* Actual OS synchronization object */
+};
+
+struct acpi_object_mutex {
+	ACPI_OBJECT_COMMON_HEADER u8 sync_level;	/* 0-15, specified in Mutex() call */
+	u16 acquisition_depth;	/* Allow multiple Acquires, same thread */
+	acpi_mutex os_mutex;	/* Actual OS synchronization object */
+	acpi_thread_id thread_id;	/* Current owner of the mutex */
+	struct acpi_thread_state *owner_thread;	/* Current owner of the mutex */
+	union acpi_operand_object *prev;	/* Link for list of acquired mutexes */
+	union acpi_operand_object *next;	/* Link for list of acquired mutexes */
+	struct acpi_namespace_node *node;	/* Containing namespace node */
+	u8 original_sync_level;	/* Owner's original sync level (0-15) */
+};
+
+struct acpi_object_region {
+	ACPI_OBJECT_COMMON_HEADER u8 space_id;
+	struct acpi_namespace_node *node;	/* Containing namespace node */
+	union acpi_operand_object *handler;	/* Handler for region access */
+	union acpi_operand_object *next;
+	acpi_physical_address address;
+	u32 length;
+};
+
+struct acpi_object_method {
+	ACPI_OBJECT_COMMON_HEADER u8 info_flags;
+	u8 param_count;
+	u8 sync_level;
+	union acpi_operand_object *mutex;
+	u8 *aml_start;
+	union {
+		acpi_internal_method implementation;
+		union acpi_operand_object *handler;
+	} dispatch;
+
+	u32 aml_length;
+	u8 thread_count;
+	acpi_owner_id owner_id;
+};
+
+/* Flags for info_flags field above */
+
+#define ACPI_METHOD_MODULE_LEVEL        0x01	/* Method is actually module-level code */
+#define ACPI_METHOD_INTERNAL_ONLY       0x02	/* Method is implemented internally (_OSI) */
+#define ACPI_METHOD_SERIALIZED          0x04	/* Method is serialized */
+#define ACPI_METHOD_SERIALIZED_PENDING  0x08	/* Method is to be marked serialized */
+#define ACPI_METHOD_IGNORE_SYNC_LEVEL   0x10	/* Method was auto-serialized at table load time */
+#define ACPI_METHOD_MODIFIED_NAMESPACE  0x20	/* Method modified the namespace */
+
+/******************************************************************************
+ *
+ * Objects that can be notified. All share a common notify_info area.
+ *
+ *****************************************************************************/
+
+/*
+ * Common fields for objects that support ASL notifications
+ */
+#define ACPI_COMMON_NOTIFY_INFO \
+	union acpi_operand_object       *notify_list[2];    /* Handlers for system/device notifies */\
+	union acpi_operand_object       *handler;	/* Handler for Address space */
+
+struct acpi_object_notify_common {	/* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
+ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
+
+struct acpi_object_device {
+	ACPI_OBJECT_COMMON_HEADER
+	    ACPI_COMMON_NOTIFY_INFO struct acpi_gpe_block_info *gpe_block;
+};
+
+struct acpi_object_power_resource {
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO u32 system_level;
+	u32 resource_order;
+};
+
+struct acpi_object_processor {
+	ACPI_OBJECT_COMMON_HEADER
+	    /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */
+	u8 proc_id;
+	u8 length;
+	ACPI_COMMON_NOTIFY_INFO acpi_io_address address;
+};
+
+struct acpi_object_thermal_zone {
+ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
+
+/******************************************************************************
+ *
+ * Fields. All share a common header/info field.
+ *
+ *****************************************************************************/
+
+/*
+ * Common bitfield for the field objects
+ * "Field Datum"  -- a datum from the actual field object
+ * "Buffer Datum" -- a datum from a user buffer, read from or to be written to the field
+ */
+#define ACPI_COMMON_FIELD_INFO \
+	u8                              field_flags;        /* Access, update, and lock bits */\
+	u8                              attribute;          /* From access_as keyword */\
+	u8                              access_byte_width;  /* Read/Write size in bytes */\
+	struct acpi_namespace_node      *node;              /* Link back to parent node */\
+	u32                             bit_length;         /* Length of field in bits */\
+	u32                             base_byte_offset;   /* Byte offset within containing object */\
+	u32                             value;              /* Value to store into the Bank or Index register */\
+	u8                              start_field_bit_offset;/* Bit offset within first field datum (0-63) */\
+	u8                              access_length;	/* For serial regions/fields */
+
+
+struct acpi_object_field_common {	/* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj;	/* Parent Operation Region object (REGION/BANK fields only) */
+};
+
+struct acpi_object_region_field {
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO u16 resource_length;
+	union acpi_operand_object *region_obj;	/* Containing op_region object */
+	u8 *resource_buffer;	/* resource_template for serial regions/fields */
+	u16 pin_number_index;	/* Index relative to previous Connection/Template */
+};
+
+struct acpi_object_bank_field {
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj;	/* Containing op_region object */
+	union acpi_operand_object *bank_obj;	/* bank_select Register object */
+};
+
+struct acpi_object_index_field {
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO
+	    /*
+	     * No "RegionObj" pointer needed since the Index and Data registers
+	     * are each field definitions unto themselves.
+	     */
+	union acpi_operand_object *index_obj;	/* Index register */
+	union acpi_operand_object *data_obj;	/* Data register */
+};
+
+/* The buffer_field is different in that it is part of a Buffer, not an op_region */
+
+struct acpi_object_buffer_field {
+	ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *buffer_obj;	/* Containing Buffer object */
+};
+
+/******************************************************************************
+ *
+ * Objects for handlers
+ *
+ *****************************************************************************/
+
+struct acpi_object_notify_handler {
+	ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node;	/* Parent device */
+	u32 handler_type;	/* Type: Device/System/Both */
+	acpi_notify_handler handler;	/* Handler address */
+	void *context;
+	union acpi_operand_object *next[2];	/* Device and System handler lists */
+};
+
+struct acpi_object_addr_handler {
+	ACPI_OBJECT_COMMON_HEADER u8 space_id;
+	u8 handler_flags;
+	acpi_adr_space_handler handler;
+	struct acpi_namespace_node *node;	/* Parent device */
+	void *context;
+	acpi_adr_space_setup setup;
+	union acpi_operand_object *region_list;	/* Regions using this handler */
+	union acpi_operand_object *next;
+};
+
+/* Flags for address handler (handler_flags) */
+
+#define ACPI_ADDR_HANDLER_DEFAULT_INSTALLED  0x01
+
+/******************************************************************************
+ *
+ * Special internal objects
+ *
+ *****************************************************************************/
+
+/*
+ * The Reference object is used for these opcodes:
+ * Arg[0-6], Local[0-7], index_op, name_op, ref_of_op, load_op, load_table_op, debug_op
+ * The Reference.Class differentiates these types.
+ */
+struct acpi_object_reference {
+	ACPI_OBJECT_COMMON_HEADER u8 class;	/* Reference Class */
+	u8 target_type;		/* Used for Index Op */
+	u8 reserved;
+	void *object;		/* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
+	struct acpi_namespace_node *node;	/* ref_of or Namepath */
+	union acpi_operand_object **where;	/* Target of Index */
+	u32 value;		/* Used for Local/Arg/Index/ddb_handle */
+};
+
+/* Values for Reference.Class above */
+
+typedef enum {
+	ACPI_REFCLASS_LOCAL = 0,	/* Method local */
+	ACPI_REFCLASS_ARG = 1,	/* Method argument */
+	ACPI_REFCLASS_REFOF = 2,	/* Result of ref_of() TBD: Split to Ref/Node and Ref/operand_obj? */
+	ACPI_REFCLASS_INDEX = 3,	/* Result of Index() */
+	ACPI_REFCLASS_TABLE = 4,	/* ddb_handle - Load(), load_table() */
+	ACPI_REFCLASS_NAME = 5,	/* Reference to a named object */
+	ACPI_REFCLASS_DEBUG = 6,	/* Debug object */
+
+	ACPI_REFCLASS_MAX = 6
+} ACPI_REFERENCE_CLASSES;
+
+/*
+ * Extra object is used as additional storage for types that
+ * have AML code in their declarations (term_args) that must be
+ * evaluated at run time.
+ *
+ * Currently: Region and field_unit types
+ */
+struct acpi_object_extra {
+	ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *method_REG;	/* _REG method for this region (if any) */
+	struct acpi_namespace_node *scope_node;
+	void *region_context;	/* Region-specific data */
+	u8 *aml_start;
+	u32 aml_length;
+};
+
+/* Additional data that can be attached to namespace nodes */
+
+struct acpi_object_data {
+	ACPI_OBJECT_COMMON_HEADER acpi_object_handler handler;
+	void *pointer;
+};
+
+/* Structure used when objects are cached for reuse */
+
+struct acpi_object_cache_list {
+	ACPI_OBJECT_COMMON_HEADER union acpi_operand_object *next;	/* Link for object cache and internal lists */
+};
+
+/******************************************************************************
+ *
+ * union acpi_operand_object descriptor - a giant union of all of the above
+ *
+ *****************************************************************************/
+
+union acpi_operand_object {
+	struct acpi_object_common common;
+	struct acpi_object_integer integer;
+	struct acpi_object_string string;
+	struct acpi_object_buffer buffer;
+	struct acpi_object_package package;
+	struct acpi_object_event event;
+	struct acpi_object_method method;
+	struct acpi_object_mutex mutex;
+	struct acpi_object_region region;
+	struct acpi_object_notify_common common_notify;
+	struct acpi_object_device device;
+	struct acpi_object_power_resource power_resource;
+	struct acpi_object_processor processor;
+	struct acpi_object_thermal_zone thermal_zone;
+	struct acpi_object_field_common common_field;
+	struct acpi_object_region_field field;
+	struct acpi_object_buffer_field buffer_field;
+	struct acpi_object_bank_field bank_field;
+	struct acpi_object_index_field index_field;
+	struct acpi_object_notify_handler notify;
+	struct acpi_object_addr_handler address_space;
+	struct acpi_object_reference reference;
+	struct acpi_object_extra extra;
+	struct acpi_object_data data;
+	struct acpi_object_cache_list cache;
+
+	/*
+	 * Add namespace node to union in order to simplify code that accepts both
+	 * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share
+	 * a common descriptor_type field in order to differentiate them.
+	 */
+	struct acpi_namespace_node node;
+};
+
+/******************************************************************************
+ *
+ * union acpi_descriptor - objects that share a common descriptor identifier
+ *
+ *****************************************************************************/
+
+/* Object descriptor types */
+
+#define ACPI_DESC_TYPE_CACHED           0x01	/* Used only when object is cached */
+#define ACPI_DESC_TYPE_STATE            0x02
+#define ACPI_DESC_TYPE_STATE_UPDATE     0x03
+#define ACPI_DESC_TYPE_STATE_PACKAGE    0x04
+#define ACPI_DESC_TYPE_STATE_CONTROL    0x05
+#define ACPI_DESC_TYPE_STATE_RPSCOPE    0x06
+#define ACPI_DESC_TYPE_STATE_PSCOPE     0x07
+#define ACPI_DESC_TYPE_STATE_WSCOPE     0x08
+#define ACPI_DESC_TYPE_STATE_RESULT     0x09
+#define ACPI_DESC_TYPE_STATE_NOTIFY     0x0A
+#define ACPI_DESC_TYPE_STATE_THREAD     0x0B
+#define ACPI_DESC_TYPE_WALK             0x0C
+#define ACPI_DESC_TYPE_PARSER           0x0D
+#define ACPI_DESC_TYPE_OPERAND          0x0E
+#define ACPI_DESC_TYPE_NAMED            0x0F
+#define ACPI_DESC_TYPE_MAX              0x0F
+
+struct acpi_common_descriptor {
+	void *common_pointer;
+	u8 descriptor_type;	/* To differentiate various internal objs */
+};
+
+union acpi_descriptor {
+	struct acpi_common_descriptor common;
+	union acpi_operand_object object;
+	struct acpi_namespace_node node;
+	union acpi_parse_object op;
+};
+
+#pragma pack()
+
+#endif				/* _ACOBJECT_H */