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authorLen Brown <len.brown@intel.com>2009-01-09 00:13:17 -0500
committerLen Brown <len.brown@intel.com>2009-01-09 03:30:47 -0500
commit95b482a8d31116f3f5c2a5089569393234d06385 (patch)
treef32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/resources/rscalc.c
parent6620e0c49f577454b772fb381543d60ae53eb885 (diff)
downloadop-kernel-dev-95b482a8d31116f3f5c2a5089569393234d06385.zip
op-kernel-dev-95b482a8d31116f3f5c2a5089569393234d06385.tar.gz
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/resources/rscalc.c')
-rw-r--r--drivers/acpi/resources/rscalc.c618
1 files changed, 0 insertions, 618 deletions
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
deleted file mode 100644
index 4f2b186..0000000
--- a/drivers/acpi/resources/rscalc.c
+++ /dev/null
@@ -1,618 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: rscalc - Calculate stream and list lengths
- *
- ******************************************************************************/
-
-/*
- * 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/acresrc.h>
-#include <acpi/acnamesp.h>
-
-#define _COMPONENT ACPI_RESOURCES
-ACPI_MODULE_NAME("rscalc")
-
-/* Local prototypes */
-static u8 acpi_rs_count_set_bits(u16 bit_field);
-
-static acpi_rs_length
-acpi_rs_struct_option_length(struct acpi_resource_source *resource_source);
-
-static u32
-acpi_rs_stream_option_length(u32 resource_length, u32 minimum_total_length);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_count_set_bits
- *
- * PARAMETERS: bit_field - Field in which to count bits
- *
- * RETURN: Number of bits set within the field
- *
- * DESCRIPTION: Count the number of bits set in a resource field. Used for
- * (Short descriptor) interrupt and DMA lists.
- *
- ******************************************************************************/
-
-static u8 acpi_rs_count_set_bits(u16 bit_field)
-{
- u8 bits_set;
-
- ACPI_FUNCTION_ENTRY();
-
- for (bits_set = 0; bit_field; bits_set++) {
-
- /* Zero the least significant bit that is set */
-
- bit_field &= (u16) (bit_field - 1);
- }
-
- return bits_set;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_struct_option_length
- *
- * PARAMETERS: resource_source - Pointer to optional descriptor field
- *
- * RETURN: Status
- *
- * DESCRIPTION: Common code to handle optional resource_source_index and
- * resource_source fields in some Large descriptors. Used during
- * list-to-stream conversion
- *
- ******************************************************************************/
-
-static acpi_rs_length
-acpi_rs_struct_option_length(struct acpi_resource_source *resource_source)
-{
- ACPI_FUNCTION_ENTRY();
-
- /*
- * If the resource_source string is valid, return the size of the string
- * (string_length includes the NULL terminator) plus the size of the
- * resource_source_index (1).
- */
- if (resource_source->string_ptr) {
- return ((acpi_rs_length) (resource_source->string_length + 1));
- }
-
- return (0);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_stream_option_length
- *
- * PARAMETERS: resource_length - Length from the resource header
- * minimum_total_length - Minimum length of this resource, before
- * any optional fields. Includes header size
- *
- * RETURN: Length of optional string (0 if no string present)
- *
- * DESCRIPTION: Common code to handle optional resource_source_index and
- * resource_source fields in some Large descriptors. Used during
- * stream-to-list conversion
- *
- ******************************************************************************/
-
-static u32
-acpi_rs_stream_option_length(u32 resource_length,
- u32 minimum_aml_resource_length)
-{
- u32 string_length = 0;
-
- ACPI_FUNCTION_ENTRY();
-
- /*
- * The resource_source_index and resource_source are optional elements of some
- * Large-type resource descriptors.
- */
-
- /*
- * If the length of the actual resource descriptor is greater than the ACPI
- * spec-defined minimum length, it means that a resource_source_index exists
- * and is followed by a (required) null terminated string. The string length
- * (including the null terminator) is the resource length minus the minimum
- * length, minus one byte for the resource_source_index itself.
- */
- if (resource_length > minimum_aml_resource_length) {
-
- /* Compute the length of the optional string */
-
- string_length =
- resource_length - minimum_aml_resource_length - 1;
- }
-
- /*
- * Round the length up to a multiple of the native word in order to
- * guarantee that the entire resource descriptor is native word aligned
- */
- return ((u32) ACPI_ROUND_UP_TO_NATIVE_WORD(string_length));
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_get_aml_length
- *
- * PARAMETERS: Resource - Pointer to the resource linked list
- * size_needed - Where the required size is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Takes a linked list of internal resource descriptors and
- * calculates the size buffer needed to hold the corresponding
- * external resource byte stream.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
-{
- acpi_size aml_size_needed = 0;
- acpi_rs_length total_size;
-
- ACPI_FUNCTION_TRACE(rs_get_aml_length);
-
- /* Traverse entire list of internal resource descriptors */
-
- while (resource) {
-
- /* Validate the descriptor type */
-
- if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
- return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE);
- }
-
- /* Get the base size of the (external stream) resource descriptor */
-
- total_size = acpi_gbl_aml_resource_sizes[resource->type];
-
- /*
- * Augment the base size for descriptors with optional and/or
- * variable-length fields
- */
- switch (resource->type) {
- case ACPI_RESOURCE_TYPE_IRQ:
-
- /* Length can be 3 or 2 */
-
- if (resource->data.irq.descriptor_length == 2) {
- total_size--;
- }
- break;
-
- case ACPI_RESOURCE_TYPE_START_DEPENDENT:
-
- /* Length can be 1 or 0 */
-
- if (resource->data.irq.descriptor_length == 0) {
- total_size--;
- }
- break;
-
- case ACPI_RESOURCE_TYPE_VENDOR:
- /*
- * Vendor Defined Resource:
- * For a Vendor Specific resource, if the Length is between 1 and 7
- * it will be created as a Small Resource data type, otherwise it
- * is a Large Resource data type.
- */
- if (resource->data.vendor.byte_length > 7) {
-
- /* Base size of a Large resource descriptor */
-
- total_size =
- sizeof(struct aml_resource_large_header);
- }
-
- /* Add the size of the vendor-specific data */
-
- total_size = (acpi_rs_length)
- (total_size + resource->data.vendor.byte_length);
- break;
-
- case ACPI_RESOURCE_TYPE_END_TAG:
- /*
- * End Tag:
- * We are done -- return the accumulated total size.
- */
- *size_needed = aml_size_needed + total_size;
-
- /* Normal exit */
-
- return_ACPI_STATUS(AE_OK);
-
- case ACPI_RESOURCE_TYPE_ADDRESS16:
- /*
- * 16-Bit Address Resource:
- * Add the size of the optional resource_source info
- */
- total_size = (acpi_rs_length)
- (total_size +
- acpi_rs_struct_option_length(&resource->data.
- address16.
- resource_source));
- break;
-
- case ACPI_RESOURCE_TYPE_ADDRESS32:
- /*
- * 32-Bit Address Resource:
- * Add the size of the optional resource_source info
- */
- total_size = (acpi_rs_length)
- (total_size +
- acpi_rs_struct_option_length(&resource->data.
- address32.
- resource_source));
- break;
-
- case ACPI_RESOURCE_TYPE_ADDRESS64:
- /*
- * 64-Bit Address Resource:
- * Add the size of the optional resource_source info
- */
- total_size = (acpi_rs_length)
- (total_size +
- acpi_rs_struct_option_length(&resource->data.
- address64.
- resource_source));
- break;
-
- case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
- /*
- * Extended IRQ Resource:
- * Add the size of each additional optional interrupt beyond the
- * required 1 (4 bytes for each u32 interrupt number)
- */
- total_size = (acpi_rs_length)
- (total_size +
- ((resource->data.extended_irq.interrupt_count -
- 1) * 4) +
- /* Add the size of the optional resource_source info */
- acpi_rs_struct_option_length(&resource->data.
- extended_irq.
- resource_source));
- break;
-
- default:
- break;
- }
-
- /* Update the total */
-
- aml_size_needed += total_size;
-
- /* Point to the next object */
-
- resource =
- ACPI_ADD_PTR(struct acpi_resource, resource,
- resource->length);
- }
-
- /* Did not find an end_tag resource descriptor */
-
- return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_get_list_length
- *
- * PARAMETERS: aml_buffer - Pointer to the resource byte stream
- * aml_buffer_length - Size of aml_buffer
- * size_needed - Where the size needed is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Takes an external resource byte stream and calculates the size
- * buffer needed to hold the corresponding internal resource
- * descriptor linked list.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_get_list_length(u8 * aml_buffer,
- u32 aml_buffer_length, acpi_size * size_needed)
-{
- acpi_status status;
- u8 *end_aml;
- u8 *buffer;
- u32 buffer_size;
- u16 temp16;
- u16 resource_length;
- u32 extra_struct_bytes;
- u8 resource_index;
- u8 minimum_aml_resource_length;
-
- ACPI_FUNCTION_TRACE(rs_get_list_length);
-
- *size_needed = 0;
- end_aml = aml_buffer + aml_buffer_length;
-
- /* Walk the list of AML resource descriptors */
-
- while (aml_buffer < end_aml) {
-
- /* Validate the Resource Type and Resource Length */
-
- status = acpi_ut_validate_resource(aml_buffer, &resource_index);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Get the resource length and base (minimum) AML size */
-
- resource_length = acpi_ut_get_resource_length(aml_buffer);
- minimum_aml_resource_length =
- acpi_gbl_resource_aml_sizes[resource_index];
-
- /*
- * Augment the size for descriptors with optional
- * and/or variable length fields
- */
- extra_struct_bytes = 0;
- buffer =
- aml_buffer + acpi_ut_get_resource_header_length(aml_buffer);
-
- switch (acpi_ut_get_resource_type(aml_buffer)) {
- case ACPI_RESOURCE_NAME_IRQ:
- /*
- * IRQ Resource:
- * Get the number of bits set in the 16-bit IRQ mask
- */
- ACPI_MOVE_16_TO_16(&temp16, buffer);
- extra_struct_bytes = acpi_rs_count_set_bits(temp16);
- break;
-
- case ACPI_RESOURCE_NAME_DMA:
- /*
- * DMA Resource:
- * Get the number of bits set in the 8-bit DMA mask
- */
- extra_struct_bytes = acpi_rs_count_set_bits(*buffer);
- break;
-
- case ACPI_RESOURCE_NAME_VENDOR_SMALL:
- case ACPI_RESOURCE_NAME_VENDOR_LARGE:
- /*
- * Vendor Resource:
- * Get the number of vendor data bytes
- */
- extra_struct_bytes = resource_length;
- break;
-
- case ACPI_RESOURCE_NAME_END_TAG:
- /*
- * End Tag:
- * This is the normal exit, add size of end_tag
- */
- *size_needed += ACPI_RS_SIZE_MIN;
- return_ACPI_STATUS(AE_OK);
-
- case ACPI_RESOURCE_NAME_ADDRESS32:
- case ACPI_RESOURCE_NAME_ADDRESS16:
- case ACPI_RESOURCE_NAME_ADDRESS64:
- /*
- * Address Resource:
- * Add the size of the optional resource_source
- */
- extra_struct_bytes =
- acpi_rs_stream_option_length(resource_length,
- minimum_aml_resource_length);
- break;
-
- case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
- /*
- * Extended IRQ Resource:
- * Using the interrupt_table_length, add 4 bytes for each additional
- * interrupt. Note: at least one interrupt is required and is
- * included in the minimum descriptor size (reason for the -1)
- */
- extra_struct_bytes = (buffer[1] - 1) * sizeof(u32);
-
- /* Add the size of the optional resource_source */
-
- extra_struct_bytes +=
- acpi_rs_stream_option_length(resource_length -
- extra_struct_bytes,
- minimum_aml_resource_length);
- break;
-
- default:
- break;
- }
-
- /*
- * Update the required buffer size for the internal descriptor structs
- *
- * Important: Round the size up for the appropriate alignment. This
- * is a requirement on IA64.
- */
- buffer_size = acpi_gbl_resource_struct_sizes[resource_index] +
- extra_struct_bytes;
- buffer_size = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size);
-
- *size_needed += buffer_size;
-
- ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
- "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
- acpi_ut_get_resource_type(aml_buffer),
- acpi_ut_get_descriptor_length(aml_buffer),
- buffer_size));
-
- /*
- * Point to the next resource within the AML stream using the length
- * contained in the resource descriptor header
- */
- aml_buffer += acpi_ut_get_descriptor_length(aml_buffer);
- }
-
- /* Did not find an end_tag resource descriptor */
-
- return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_rs_get_pci_routing_table_length
- *
- * PARAMETERS: package_object - Pointer to the package object
- * buffer_size_needed - u32 pointer of the size buffer
- * needed to properly return the
- * parsed data
- *
- * RETURN: Status
- *
- * DESCRIPTION: Given a package representing a PCI routing table, this
- * calculates the size of the corresponding linked list of
- * descriptions.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
- acpi_size * buffer_size_needed)
-{
- u32 number_of_elements;
- acpi_size temp_size_needed = 0;
- union acpi_operand_object **top_object_list;
- u32 index;
- union acpi_operand_object *package_element;
- union acpi_operand_object **sub_object_list;
- u8 name_found;
- u32 table_index;
-
- ACPI_FUNCTION_TRACE(rs_get_pci_routing_table_length);
-
- number_of_elements = package_object->package.count;
-
- /*
- * Calculate the size of the return buffer.
- * The base size is the number of elements * the sizes of the
- * structures. Additional space for the strings is added below.
- * The minus one is to subtract the size of the u8 Source[1]
- * member because it is added below.
- *
- * But each PRT_ENTRY structure has a pointer to a string and
- * the size of that string must be found.
- */
- top_object_list = package_object->package.elements;
-
- for (index = 0; index < number_of_elements; index++) {
-
- /* Dereference the sub-package */
-
- package_element = *top_object_list;
-
- /*
- * The sub_object_list will now point to an array of the
- * four IRQ elements: Address, Pin, Source and source_index
- */
- sub_object_list = package_element->package.elements;
-
- /* Scan the irq_table_elements for the Source Name String */
-
- name_found = FALSE;
-
- for (table_index = 0; table_index < 4 && !name_found;
- table_index++) {
- if (*sub_object_list && /* Null object allowed */
- ((ACPI_TYPE_STRING ==
- ACPI_GET_OBJECT_TYPE(*sub_object_list)) ||
- ((ACPI_TYPE_LOCAL_REFERENCE ==
- ACPI_GET_OBJECT_TYPE(*sub_object_list)) &&
- ((*sub_object_list)->reference.class ==
- ACPI_REFCLASS_NAME)))) {
- name_found = TRUE;
- } else {
- /* Look at the next element */
-
- sub_object_list++;
- }
- }
-
- temp_size_needed += (sizeof(struct acpi_pci_routing_table) - 4);
-
- /* Was a String type found? */
-
- if (name_found) {
- if (ACPI_GET_OBJECT_TYPE(*sub_object_list) ==
- ACPI_TYPE_STRING) {
- /*
- * The length String.Length field does not include the
- * terminating NULL, add 1
- */
- temp_size_needed += ((acpi_size)
- (*sub_object_list)->string.
- length + 1);
- } else {
- temp_size_needed +=
- acpi_ns_get_pathname_length((*sub_object_list)->reference.node);
- if (!temp_size_needed) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
- }
- } else {
- /*
- * If no name was found, then this is a NULL, which is
- * translated as a u32 zero.
- */
- temp_size_needed += sizeof(u32);
- }
-
- /* Round up the size since each element must be aligned */
-
- temp_size_needed = ACPI_ROUND_UP_TO_64BIT(temp_size_needed);
-
- /* Point to the next union acpi_operand_object */
-
- top_object_list++;
- }
-
- /*
- * Add an extra element to the end of the list, essentially a
- * NULL terminator
- */
- *buffer_size_needed =
- temp_size_needed + sizeof(struct acpi_pci_routing_table);
- return_ACPI_STATUS(AE_OK);
-}
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