ACPICA: create acpica/ directory

also, delete sleep/ and delete ACPI_CFLAGS from Makefile

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 590 deletions

diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c
deleted file mode 100644
index 8f2baa934e95..000000000000
--- a/drivers/acpi/executer/exprep.c
+++ /dev/null
@@ -1,590 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, 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 <acpi/accommon.h>
-#include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
-#include <acpi/acnamesp.h>
-
-#define _COMPONENT          ACPI_EXECUTER
-ACPI_MODULE_NAME("exprep")
-
-/* Local prototypes */
-static u32
-acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
-			    u8 field_flags, u32 * return_byte_alignment);
-
-#ifdef ACPI_UNDER_DEVELOPMENT
-
-static u32
-acpi_ex_generate_access(u32 field_bit_offset,
-			u32 field_bit_length, u32 region_length);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ex_generate_access
- *
- * PARAMETERS:  field_bit_offset    - Start of field within parent region/buffer
- *              field_bit_length    - Length of field in bits
- *              region_length       - Length of parent in bytes
- *
- * RETURN:      Field granularity (8, 16, 32 or 64) and
- *              byte_alignment (1, 2, 3, or 4)
- *
- * DESCRIPTION: Generate an optimal access width for fields defined with the
- *              any_acc keyword.
- *
- * NOTE: Need to have the region_length in order to check for boundary
- *       conditions (end-of-region).  However, the region_length is a deferred
- *       operation.  Therefore, to complete this implementation, the generation
- *       of this access width must be deferred until the region length has
- *       been evaluated.
- *
- ******************************************************************************/
-
-static u32
-acpi_ex_generate_access(u32 field_bit_offset,
-			u32 field_bit_length, u32 region_length)
-{
-	u32 field_byte_length;
-	u32 field_byte_offset;
-	u32 field_byte_end_offset;
-	u32 access_byte_width;
-	u32 field_start_offset;
-	u32 field_end_offset;
-	u32 minimum_access_width = 0xFFFFFFFF;
-	u32 minimum_accesses = 0xFFFFFFFF;
-	u32 accesses;
-
-	ACPI_FUNCTION_TRACE(ex_generate_access);
-
-	/* Round Field start offset and length to "minimal" byte boundaries */
-
-	field_byte_offset = ACPI_DIV_8(ACPI_ROUND_DOWN(field_bit_offset, 8));
-	field_byte_end_offset = ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length +
-							 field_bit_offset, 8));
-	field_byte_length = field_byte_end_offset - field_byte_offset;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Bit length %d, Bit offset %d\n",
-			  field_bit_length, field_bit_offset));
-
-	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Byte Length %d, Byte Offset %d, End Offset %d\n",
-			  field_byte_length, field_byte_offset,
-			  field_byte_end_offset));
-
-	/*
-	 * Iterative search for the maximum access width that is both aligned
-	 * and does not go beyond the end of the region
-	 *
-	 * Start at byte_acc and work upwards to qword_acc max. (1,2,4,8 bytes)
-	 */
-	for (access_byte_width = 1; access_byte_width <= 8;
-	     access_byte_width <<= 1) {
-		/*
-		 * 1) Round end offset up to next access boundary and make sure that
-		 *    this does not go beyond the end of the parent region.
-		 * 2) When the Access width is greater than the field_byte_length, we
-		 *    are done. (This does not optimize for the perfectly aligned
-		 *    case yet).
-		 */
-		if (ACPI_ROUND_UP(field_byte_end_offset, access_byte_width) <=
-		    region_length) {
-			field_start_offset =
-			    ACPI_ROUND_DOWN(field_byte_offset,
-					    access_byte_width) /
-			    access_byte_width;
-
-			field_end_offset =
-			    ACPI_ROUND_UP((field_byte_length +
-					   field_byte_offset),
-					  access_byte_width) /
-			    access_byte_width;
-
-			accesses = field_end_offset - field_start_offset;
-
-			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "AccessWidth %d end is within region\n",
-					  access_byte_width));
-
-			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Field Start %d, Field End %d -- requires %d accesses\n",
-					  field_start_offset, field_end_offset,
-					  accesses));
-
-			/* Single access is optimal */
-
-			if (accesses <= 1) {
-				ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-						  "Entire field can be accessed with one operation of size %d\n",
-						  access_byte_width));
-				return_VALUE(access_byte_width);
-			}
-
-			/*
-			 * Fits in the region, but requires more than one read/write.
-			 * try the next wider access on next iteration
-			 */
-			if (accesses < minimum_accesses) {
-				minimum_accesses = accesses;
-				minimum_access_width = access_byte_width;
-			}
-		} else {
-			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "AccessWidth %d end is NOT within region\n",
-					  access_byte_width));
-			if (access_byte_width == 1) {
-				ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-						  "Field goes beyond end-of-region!\n"));
-
-				/* Field does not fit in the region at all */
-
-				return_VALUE(0);
-			}
-
-			/*
-			 * This width goes beyond the end-of-region, back off to
-			 * previous access
-			 */
-			ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-					  "Backing off to previous optimal access width of %d\n",
-					  minimum_access_width));
-			return_VALUE(minimum_access_width);
-		}
-	}
-
-	/*
-	 * Could not read/write field with one operation,
-	 * just use max access width
-	 */
-	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Cannot access field in one operation, using width 8\n"));
-	return_VALUE(8);
-}
-#endif				/* ACPI_UNDER_DEVELOPMENT */
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ex_decode_field_access
- *
- * PARAMETERS:  obj_desc            - Field object
- *              field_flags         - Encoded fieldflags (contains access bits)
- *              return_byte_alignment - Where the byte alignment is returned
- *
- * RETURN:      Field granularity (8, 16, 32 or 64) and
- *              byte_alignment (1, 2, 3, or 4)
- *
- * DESCRIPTION: Decode the access_type bits of a field definition.
- *
- ******************************************************************************/
-
-static u32
-acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
-			    u8 field_flags, u32 * return_byte_alignment)
-{
-	u32 access;
-	u32 byte_alignment;
-	u32 bit_length;
-
-	ACPI_FUNCTION_TRACE(ex_decode_field_access);
-
-	access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK);
-
-	switch (access) {
-	case AML_FIELD_ACCESS_ANY:
-
-#ifdef ACPI_UNDER_DEVELOPMENT
-		byte_alignment =
-		    acpi_ex_generate_access(obj_desc->common_field.
-					    start_field_bit_offset,
-					    obj_desc->common_field.bit_length,
-					    0xFFFFFFFF
-					    /* Temp until we pass region_length as parameter */
-		    );
-		bit_length = byte_alignment * 8;
-#endif
-
-		byte_alignment = 1;
-		bit_length = 8;
-		break;
-
-	case AML_FIELD_ACCESS_BYTE:
-	case AML_FIELD_ACCESS_BUFFER:	/* ACPI 2.0 (SMBus Buffer) */
-		byte_alignment = 1;
-		bit_length = 8;
-		break;
-
-	case AML_FIELD_ACCESS_WORD:
-		byte_alignment = 2;
-		bit_length = 16;
-		break;
-
-	case AML_FIELD_ACCESS_DWORD:
-		byte_alignment = 4;
-		bit_length = 32;
-		break;
-
-	case AML_FIELD_ACCESS_QWORD:	/* ACPI 2.0 */
-		byte_alignment = 8;
-		bit_length = 64;
-		break;
-
-	default:
-		/* Invalid field access type */
-
-		ACPI_ERROR((AE_INFO, "Unknown field access type %X", access));
-		return_UINT32(0);
-	}
-
-	if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
-		/*
-		 * buffer_field access can be on any byte boundary, so the
-		 * byte_alignment is always 1 byte -- regardless of any byte_alignment
-		 * implied by the field access type.
-		 */
-		byte_alignment = 1;
-	}
-
-	*return_byte_alignment = byte_alignment;
-	return_UINT32(bit_length);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ex_prep_common_field_object
- *
- * PARAMETERS:  obj_desc            - The field object
- *              field_flags         - Access, lock_rule, and update_rule.
- *                                    The format of a field_flag is described
- *                                    in the ACPI specification
- *              field_attribute     - Special attributes (not used)
- *              field_bit_position  - Field start position
- *              field_bit_length    - Field length in number of bits
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Initialize the areas of the field object that are common
- *              to the various types of fields.  Note: This is very "sensitive"
- *              code because we are solving the general case for field
- *              alignment.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
-				 u8 field_flags,
-				 u8 field_attribute,
-				 u32 field_bit_position, u32 field_bit_length)
-{
-	u32 access_bit_width;
-	u32 byte_alignment;
-	u32 nearest_byte_address;
-
-	ACPI_FUNCTION_TRACE(ex_prep_common_field_object);
-
-	/*
-	 * Note: the structure being initialized is the
-	 * ACPI_COMMON_FIELD_INFO;  No structure fields outside of the common
-	 * area are initialized by this procedure.
-	 */
-	obj_desc->common_field.field_flags = field_flags;
-	obj_desc->common_field.attribute = field_attribute;
-	obj_desc->common_field.bit_length = field_bit_length;
-
-	/*
-	 * Decode the access type so we can compute offsets.  The access type gives
-	 * two pieces of information - the width of each field access and the
-	 * necessary byte_alignment (address granularity) of the access.
-	 *
-	 * For any_acc, the access_bit_width is the largest width that is both
-	 * necessary and possible in an attempt to access the whole field in one
-	 * I/O operation.  However, for any_acc, the byte_alignment is always one
-	 * byte.
-	 *
-	 * For all Buffer Fields, the byte_alignment is always one byte.
-	 *
-	 * For all other access types (Byte, Word, Dword, Qword), the Bitwidth is
-	 * the same (equivalent) as the byte_alignment.
-	 */
-	access_bit_width = acpi_ex_decode_field_access(obj_desc, field_flags,
-						       &byte_alignment);
-	if (!access_bit_width) {
-		return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
-	}
-
-	/* Setup width (access granularity) fields */
-
-	obj_desc->common_field.access_byte_width = (u8)
-	    ACPI_DIV_8(access_bit_width);	/* 1,  2,  4,  8 */
-
-	obj_desc->common_field.access_bit_width = (u8) access_bit_width;
-
-	/*
-	 * base_byte_offset is the address of the start of the field within the
-	 * region.  It is the byte address of the first *datum* (field-width data
-	 * unit) of the field. (i.e., the first datum that contains at least the
-	 * first *bit* of the field.)
-	 *
-	 * Note: byte_alignment is always either equal to the access_bit_width or 8
-	 * (Byte access), and it defines the addressing granularity of the parent
-	 * region or buffer.
-	 */
-	nearest_byte_address =
-	    ACPI_ROUND_BITS_DOWN_TO_BYTES(field_bit_position);
-	obj_desc->common_field.base_byte_offset = (u32)
-	    ACPI_ROUND_DOWN(nearest_byte_address, byte_alignment);
-
-	/*
-	 * start_field_bit_offset is the offset of the first bit of the field within
-	 * a field datum.
-	 */
-	obj_desc->common_field.start_field_bit_offset = (u8)
-	    (field_bit_position -
-	     ACPI_MUL_8(obj_desc->common_field.base_byte_offset));
-
-	/*
-	 * Does the entire field fit within a single field access element? (datum)
-	 * (i.e., without crossing a datum boundary)
-	 */
-	if ((obj_desc->common_field.start_field_bit_offset +
-	     field_bit_length) <= (u16) access_bit_width) {
-		obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM;
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ex_prep_field_value
- *
- * PARAMETERS:  Info    - Contains all field creation info
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Construct an union acpi_operand_object of type def_field and
- *              connect it to the parent Node.
- *
- ******************************************************************************/
-
-acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
-{
-	union acpi_operand_object *obj_desc;
-	union acpi_operand_object *second_desc = NULL;
-	u32 type;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ex_prep_field_value);
-
-	/* Parameter validation */
-
-	if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) {
-		if (!info->region_node) {
-			ACPI_ERROR((AE_INFO, "Null RegionNode"));
-			return_ACPI_STATUS(AE_AML_NO_OPERAND);
-		}
-
-		type = acpi_ns_get_type(info->region_node);
-		if (type != ACPI_TYPE_REGION) {
-			ACPI_ERROR((AE_INFO,
-				    "Needed Region, found type %X (%s)",
-				    type, acpi_ut_get_type_name(type)));
-
-			return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
-		}
-	}
-
-	/* Allocate a new field object */
-
-	obj_desc = acpi_ut_create_internal_object(info->field_type);
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	/* Initialize areas of the object that are common to all fields */
-
-	obj_desc->common_field.node = info->field_node;
-	status = acpi_ex_prep_common_field_object(obj_desc, info->field_flags,
-						  info->attribute,
-						  info->field_bit_position,
-						  info->field_bit_length);
-	if (ACPI_FAILURE(status)) {
-		acpi_ut_delete_object_desc(obj_desc);
-		return_ACPI_STATUS(status);
-	}
-
-	/* Initialize areas of the object that are specific to the field type */
-
-	switch (info->field_type) {
-	case ACPI_TYPE_LOCAL_REGION_FIELD:
-
-		obj_desc->field.region_obj =
-		    acpi_ns_get_attached_object(info->region_node);
-
-		/* An additional reference for the container */
-
-		acpi_ut_add_reference(obj_desc->field.region_obj);
-
-		ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-				  "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
-				  obj_desc->field.start_field_bit_offset,
-				  obj_desc->field.base_byte_offset,
-				  obj_desc->field.access_byte_width,
-				  obj_desc->field.region_obj));
-		break;
-
-	case ACPI_TYPE_LOCAL_BANK_FIELD:
-
-		obj_desc->bank_field.value = info->bank_value;
-		obj_desc->bank_field.region_obj =
-		    acpi_ns_get_attached_object(info->region_node);
-		obj_desc->bank_field.bank_obj =
-		    acpi_ns_get_attached_object(info->register_node);
-
-		/* An additional reference for the attached objects */
-
-		acpi_ut_add_reference(obj_desc->bank_field.region_obj);
-		acpi_ut_add_reference(obj_desc->bank_field.bank_obj);
-
-		ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-				  "Bank Field: BitOff %X, Off %X, Gran %X, Region %p, BankReg %p\n",
-				  obj_desc->bank_field.start_field_bit_offset,
-				  obj_desc->bank_field.base_byte_offset,
-				  obj_desc->field.access_byte_width,
-				  obj_desc->bank_field.region_obj,
-				  obj_desc->bank_field.bank_obj));
-
-		/*
-		 * Remember location in AML stream of the field unit
-		 * opcode and operands -- since the bank_value
-		 * operands must be evaluated.
-		 */
-		second_desc = obj_desc->common.next_object;
-		second_desc->extra.aml_start =
-		    ACPI_CAST_PTR(union acpi_parse_object,
-				  info->data_register_node)->named.data;
-		second_desc->extra.aml_length =
-		    ACPI_CAST_PTR(union acpi_parse_object,
-				  info->data_register_node)->named.length;
-
-		break;
-
-	case ACPI_TYPE_LOCAL_INDEX_FIELD:
-
-		/* Get the Index and Data registers */
-
-		obj_desc->index_field.index_obj =
-		    acpi_ns_get_attached_object(info->register_node);
-		obj_desc->index_field.data_obj =
-		    acpi_ns_get_attached_object(info->data_register_node);
-
-		if (!obj_desc->index_field.data_obj
-		    || !obj_desc->index_field.index_obj) {
-			ACPI_ERROR((AE_INFO,
-				    "Null Index Object during field prep"));
-			acpi_ut_delete_object_desc(obj_desc);
-			return_ACPI_STATUS(AE_AML_INTERNAL);
-		}
-
-		/* An additional reference for the attached objects */
-
-		acpi_ut_add_reference(obj_desc->index_field.data_obj);
-		acpi_ut_add_reference(obj_desc->index_field.index_obj);
-
-		/*
-		 * April 2006: Changed to match MS behavior
-		 *
-		 * The value written to the Index register is the byte offset of the
-		 * target field in units of the granularity of the index_field
-		 *
-		 * Previously, the value was calculated as an index in terms of the
-		 * width of the Data register, as below:
-		 *
-		 *      obj_desc->index_field.Value = (u32)
-		 *          (Info->field_bit_position / ACPI_MUL_8 (
-		 *              obj_desc->Field.access_byte_width));
-		 *
-		 * February 2006: Tried value as a byte offset:
-		 *      obj_desc->index_field.Value = (u32)
-		 *          ACPI_DIV_8 (Info->field_bit_position);
-		 */
-		obj_desc->index_field.value =
-		    (u32) ACPI_ROUND_DOWN(ACPI_DIV_8(info->field_bit_position),
-					  obj_desc->index_field.
-					  access_byte_width);
-
-		ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-				  "IndexField: BitOff %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
-				  obj_desc->index_field.start_field_bit_offset,
-				  obj_desc->index_field.base_byte_offset,
-				  obj_desc->index_field.value,
-				  obj_desc->field.access_byte_width,
-				  obj_desc->index_field.index_obj,
-				  obj_desc->index_field.data_obj));
-		break;
-
-	default:
-		/* No other types should get here */
-		break;
-	}
-
-	/*
-	 * Store the constructed descriptor (obj_desc) into the parent Node,
-	 * preserving the current type of that named_obj.
-	 */
-	status = acpi_ns_attach_object(info->field_node, obj_desc,
-				       acpi_ns_get_type(info->field_node));
-
-	ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
-			  "Set NamedObj %p [%4.4s], ObjDesc %p\n",
-			  info->field_node,
-			  acpi_ut_get_node_name(info->field_node), obj_desc));
-
-	/* Remove local reference to the object */
-
-	acpi_ut_remove_reference(obj_desc);
-	return_ACPI_STATUS(status);
-}