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, 468 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
new file mode 100644
index 000000000000..3ca606974d51
--- /dev/null
+++ b/drivers/acpi/acpica/rscreate.c
@@ -0,0 +1,468 @@
+/*******************************************************************************
+ *
+ * Module Name: rscreate - Create resource lists/tables
+ *
+ ******************************************************************************/
+
+/*
+ * 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("rscreate")
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_create_resource_list
+ *
+ * PARAMETERS:  aml_buffer          - Pointer to the resource byte stream
+ *              output_buffer       - Pointer to the user's buffer
+ *
+ * RETURN:      Status: AE_OK if okay, else a valid acpi_status code
+ *              If output_buffer is not large enough, output_buffer_length
+ *              indicates how large output_buffer should be, else it
+ *              indicates how may u8 elements of output_buffer are valid.
+ *
+ * DESCRIPTION: Takes the byte stream returned from a _CRS, _PRS control method
+ *              execution and parses the stream to create a linked list
+ *              of device resources.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
+                             struct acpi_buffer *output_buffer)
+{
+
+        acpi_status status;
+        u8 *aml_start;
+        acpi_size list_size_needed = 0;
+        u32 aml_buffer_length;
+        void *resource;
+
+        ACPI_FUNCTION_TRACE(rs_create_resource_list);
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlBuffer = %p\n", aml_buffer));
+
+        /* Params already validated, so we don't re-validate here */
+
+        aml_buffer_length = aml_buffer->buffer.length;
+        aml_start = aml_buffer->buffer.pointer;
+
+        /*
+         * Pass the aml_buffer into a module that can calculate
+         * the buffer size needed for the linked list
+         */
+        status = acpi_rs_get_list_length(aml_start, aml_buffer_length,
+                                         &list_size_needed);
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n",
+                          status, (u32) list_size_needed));
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        /* Validate/Allocate/Clear caller buffer */
+
+        status = acpi_ut_initialize_buffer(output_buffer, list_size_needed);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        /* Do the conversion */
+
+        resource = output_buffer->pointer;
+        status = acpi_ut_walk_aml_resources(aml_start, aml_buffer_length,
+                                            acpi_rs_convert_aml_to_resources,
+                                            &resource);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
+                          output_buffer->pointer, (u32) output_buffer->length));
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_create_pci_routing_table
+ *
+ * PARAMETERS:  package_object          - Pointer to an union acpi_operand_object
+ *                                        package
+ *              output_buffer           - Pointer to the user's buffer
+ *
+ * RETURN:      Status  AE_OK if okay, else a valid acpi_status code.
+ *              If the output_buffer is too small, the error will be
+ *              AE_BUFFER_OVERFLOW and output_buffer->Length will point
+ *              to the size buffer needed.
+ *
+ * DESCRIPTION: Takes the union acpi_operand_object    package and creates a
+ *              linked list of PCI interrupt descriptions
+ *
+ * NOTE: It is the caller's responsibility to ensure that the start of the
+ * output buffer is aligned properly (if necessary).
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
+                                 struct acpi_buffer *output_buffer)
+{
+        u8 *buffer;
+        union acpi_operand_object **top_object_list;
+        union acpi_operand_object **sub_object_list;
+        union acpi_operand_object *obj_desc;
+        acpi_size buffer_size_needed = 0;
+        u32 number_of_elements;
+        u32 index;
+        struct acpi_pci_routing_table *user_prt;
+        struct acpi_namespace_node *node;
+        acpi_status status;
+        struct acpi_buffer path_buffer;
+
+        ACPI_FUNCTION_TRACE(rs_create_pci_routing_table);
+
+        /* Params already validated, so we don't re-validate here */
+
+        /* Get the required buffer length */
+
+        status = acpi_rs_get_pci_routing_table_length(package_object,
+                                                      &buffer_size_needed);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "BufferSizeNeeded = %X\n",
+                          (u32) buffer_size_needed));
+
+        /* Validate/Allocate/Clear caller buffer */
+
+        status = acpi_ut_initialize_buffer(output_buffer, buffer_size_needed);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        /*
+         * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a
+         * package that in turn contains an acpi_integer Address, a u8 Pin,
+         * a Name, and a u8 source_index.
+         */
+        top_object_list = package_object->package.elements;
+        number_of_elements = package_object->package.count;
+        buffer = output_buffer->pointer;
+        user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer);
+
+        for (index = 0; index < number_of_elements; index++) {
+                int source_name_index = 2;
+                int source_index_index = 3;
+
+                /*
+                 * Point user_prt past this current structure
+                 *
+                 * NOTE: On the first iteration, user_prt->Length will
+                 * be zero because we cleared the return buffer earlier
+                 */
+                buffer += user_prt->length;
+                user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer);
+
+                /*
+                 * Fill in the Length field with the information we have at this point.
+                 * The minus four is to subtract the size of the u8 Source[4] member
+                 * because it is added below.
+                 */
+                user_prt->length = (sizeof(struct acpi_pci_routing_table) - 4);
+
+                /* Each element of the top-level package must also be a package */
+
+                if (ACPI_GET_OBJECT_TYPE(*top_object_list) != ACPI_TYPE_PACKAGE) {
+                        ACPI_ERROR((AE_INFO,
+                                    "(PRT[%X]) Need sub-package, found %s",
+                                    index,
+                                    acpi_ut_get_object_type_name
+                                    (*top_object_list)));
+                        return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+                }
+
+                /* Each sub-package must be of length 4 */
+
+                if ((*top_object_list)->package.count != 4) {
+                        ACPI_ERROR((AE_INFO,
+                                    "(PRT[%X]) Need package of length 4, found length %d",
+                                    index, (*top_object_list)->package.count));
+                        return_ACPI_STATUS(AE_AML_PACKAGE_LIMIT);
+                }
+
+                /*
+                 * Dereference the sub-package.
+                 * The sub_object_list will now point to an array of the four IRQ
+                 * elements: [Address, Pin, Source, source_index]
+                 */
+                sub_object_list = (*top_object_list)->package.elements;
+
+                /* 1) First subobject: Dereference the PRT.Address */
+
+                obj_desc = sub_object_list[0];
+                if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
+                        ACPI_ERROR((AE_INFO,
+                                    "(PRT[%X].Address) Need Integer, found %s",
+                                    index,
+                                    acpi_ut_get_object_type_name(obj_desc)));
+                        return_ACPI_STATUS(AE_BAD_DATA);
+                }
+
+                user_prt->address = obj_desc->integer.value;
+
+                /* 2) Second subobject: Dereference the PRT.Pin */
+
+                obj_desc = sub_object_list[1];
+                if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
+                        ACPI_ERROR((AE_INFO,
+                                    "(PRT[%X].Pin) Need Integer, found %s",
+                                    index,
+                                    acpi_ut_get_object_type_name(obj_desc)));
+                        return_ACPI_STATUS(AE_BAD_DATA);
+                }
+
+                /*
+                 * If BIOS erroneously reversed the _PRT source_name and source_index,
+                 * then reverse them back.
+                 */
+                if (ACPI_GET_OBJECT_TYPE(sub_object_list[3]) !=
+                    ACPI_TYPE_INTEGER) {
+                        if (acpi_gbl_enable_interpreter_slack) {
+                                source_name_index = 3;
+                                source_index_index = 2;
+                                printk(KERN_WARNING
+                                       "ACPI: Handling Garbled _PRT entry\n");
+                        } else {
+                                ACPI_ERROR((AE_INFO,
+                                            "(PRT[%X].source_index) Need Integer, found %s",
+                                            index,
+                                            acpi_ut_get_object_type_name
+                                            (sub_object_list[3])));
+                                return_ACPI_STATUS(AE_BAD_DATA);
+                        }
+                }
+
+                user_prt->pin = (u32) obj_desc->integer.value;
+
+                /*
+                 * If the BIOS has erroneously reversed the _PRT source_name (index 2)
+                 * and the source_index (index 3), fix it. _PRT is important enough to
+                 * workaround this BIOS error. This also provides compatibility with
+                 * other ACPI implementations.
+                 */
+                obj_desc = sub_object_list[3];
+                if (!obj_desc
+                    || (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) {
+                        sub_object_list[3] = sub_object_list[2];
+                        sub_object_list[2] = obj_desc;
+
+                        ACPI_WARNING((AE_INFO,
+                                      "(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed",
+                                      index));
+                }
+
+                /*
+                 * 3) Third subobject: Dereference the PRT.source_name
+                 * The name may be unresolved (slack mode), so allow a null object
+                 */
+                obj_desc = sub_object_list[source_name_index];
+                if (obj_desc) {
+                        switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
+                        case ACPI_TYPE_LOCAL_REFERENCE:
+
+                                if (obj_desc->reference.class !=
+                                    ACPI_REFCLASS_NAME) {
+                                        ACPI_ERROR((AE_INFO,
+                                                    "(PRT[%X].Source) Need name, found Reference Class %X",
+                                                    index,
+                                                    obj_desc->reference.class));
+                                        return_ACPI_STATUS(AE_BAD_DATA);
+                                }
+
+                                node = obj_desc->reference.node;
+
+                                /* Use *remaining* length of the buffer as max for pathname */
+
+                                path_buffer.length = output_buffer->length -
+                                    (u32) ((u8 *) user_prt->source -
+                                           (u8 *) output_buffer->pointer);
+                                path_buffer.pointer = user_prt->source;
+
+                                status =
+                                    acpi_ns_handle_to_pathname((acpi_handle)
+                                                               node,
+                                                               &path_buffer);
+
+                                /* +1 to include null terminator */
+
+                                user_prt->length +=
+                                    (u32) ACPI_STRLEN(user_prt->source) + 1;
+                                break;
+
+                        case ACPI_TYPE_STRING:
+
+                                ACPI_STRCPY(user_prt->source,
+                                            obj_desc->string.pointer);
+
+                                /*
+                                 * Add to the Length field the length of the string
+                                 * (add 1 for terminator)
+                                 */
+                                user_prt->length += obj_desc->string.length + 1;
+                                break;
+
+                        case ACPI_TYPE_INTEGER:
+                                /*
+                                 * If this is a number, then the Source Name is NULL, since the
+                                 * entire buffer was zeroed out, we can leave this alone.
+                                 *
+                                 * Add to the Length field the length of the u32 NULL
+                                 */
+                                user_prt->length += sizeof(u32);
+                                break;
+
+                        default:
+
+                                ACPI_ERROR((AE_INFO,
+                                            "(PRT[%X].Source) Need Ref/String/Integer, found %s",
+                                            index,
+                                            acpi_ut_get_object_type_name
+                                            (obj_desc)));
+                                return_ACPI_STATUS(AE_BAD_DATA);
+                        }
+                }
+
+                /* Now align the current length */
+
+                user_prt->length =
+                    (u32) ACPI_ROUND_UP_TO_64BIT(user_prt->length);
+
+                /* 4) Fourth subobject: Dereference the PRT.source_index */
+
+                obj_desc = sub_object_list[source_index_index];
+                if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
+                        ACPI_ERROR((AE_INFO,
+                                    "(PRT[%X].SourceIndex) Need Integer, found %s",
+                                    index,
+                                    acpi_ut_get_object_type_name(obj_desc)));
+                        return_ACPI_STATUS(AE_BAD_DATA);
+                }
+
+                user_prt->source_index = (u32) obj_desc->integer.value;
+
+                /* Point to the next union acpi_operand_object in the top level package */
+
+                top_object_list++;
+        }
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
+                          output_buffer->pointer, (u32) output_buffer->length));
+        return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_create_aml_resources
+ *
+ * PARAMETERS:  linked_list_buffer      - Pointer to the resource linked list
+ *              output_buffer           - Pointer to the user's buffer
+ *
+ * RETURN:      Status  AE_OK if okay, else a valid acpi_status code.
+ *              If the output_buffer is too small, the error will be
+ *              AE_BUFFER_OVERFLOW and output_buffer->Length will point
+ *              to the size buffer needed.
+ *
+ * DESCRIPTION: Takes the linked list of device resources and
+ *              creates a bytestream to be used as input for the
+ *              _SRS control method.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
+                             struct acpi_buffer *output_buffer)
+{
+        acpi_status status;
+        acpi_size aml_size_needed = 0;
+
+        ACPI_FUNCTION_TRACE(rs_create_aml_resources);
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
+                          linked_list_buffer));
+
+        /*
+         * Params already validated, so we don't re-validate here
+         *
+         * Pass the linked_list_buffer into a module that calculates
+         * the buffer size needed for the byte stream.
+         */
+        status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
+                          (u32) aml_size_needed,
+                          acpi_format_exception(status)));
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        /* Validate/Allocate/Clear caller buffer */
+
+        status = acpi_ut_initialize_buffer(output_buffer, aml_size_needed);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        /* Do the conversion */
+
+        status =
+            acpi_rs_convert_resources_to_aml(linked_list_buffer,
+                                             aml_size_needed,
+                                             output_buffer->pointer);
+        if (ACPI_FAILURE(status)) {
+                return_ACPI_STATUS(status);
+        }
+
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
+                          output_buffer->pointer, (u32) output_buffer->length));
+        return_ACPI_STATUS(AE_OK);
+}