Pull bugzilla-5452 into release branch
[pandora-kernel.git] / drivers / acpi / resources / rsmisc.c
index a1f1741..faf6e10 100644 (file)
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * POSSIBILITY OF SUCH DAMAGES.
  */
 
-
 #include <acpi/acpi.h>
 #include <acpi/acresrc.h>
 
 #define _COMPONENT          ACPI_RESOURCES
-        ACPI_MODULE_NAME    ("rsmisc")
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_rs_end_tag_resource
- *
- * PARAMETERS:  byte_stream_buffer      - Pointer to the resource input byte
- *                                        stream
- *              bytes_consumed          - Pointer to where the number of bytes
- *                                        consumed the byte_stream_buffer is
- *                                        returned
- *              output_buffer           - Pointer to the return data buffer
- *              structure_size          - Pointer to where the number of bytes
- *                                        in the return data struct is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Take the resource byte stream and fill out the appropriate
- *              structure pointed to by the output_buffer. Return the
- *              number of bytes consumed from the byte stream.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_end_tag_resource (
-       u8                              *byte_stream_buffer,
-       acpi_size                       *bytes_consumed,
-       u8                              **output_buffer,
-       acpi_size                       *structure_size)
-{
-       struct acpi_resource            *output_struct = (void *) *output_buffer;
-       acpi_size                       struct_size = ACPI_RESOURCE_LENGTH;
-
-
-       ACPI_FUNCTION_TRACE ("rs_end_tag_resource");
-
-
-       /* The number of bytes consumed is static */
-
-       *bytes_consumed = 2;
-
-       /*  Fill out the structure */
-
-       output_struct->id = ACPI_RSTYPE_END_TAG;
-
-       /* Set the Length parameter */
-
-       output_struct->length = 0;
-
-       /* Return the final size of the structure */
-
-       *structure_size = struct_size;
-       return_ACPI_STATUS (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_rs_end_tag_stream
- *
- * PARAMETERS:  linked_list             - Pointer to the resource linked list
- *              output_buffer           - Pointer to the user's return buffer
- *              bytes_consumed          - Pointer to where the number of bytes
- *                                        used in the output_buffer is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- *              the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_end_tag_stream (
-       struct acpi_resource            *linked_list,
-       u8                              **output_buffer,
-       acpi_size                       *bytes_consumed)
-{
-       u8                              *buffer = *output_buffer;
-       u8                              temp8 = 0;
-
-
-       ACPI_FUNCTION_TRACE ("rs_end_tag_stream");
-
-
-       /* The descriptor field is static */
-
-       *buffer = 0x79;
-       buffer += 1;
-
-       /*
-        * Set the Checksum - zero means that the resource data is treated as if
-        * the checksum operation succeeded (ACPI Spec 1.0b Section 6.4.2.8)
-        */
-       temp8 = 0;
-
-       *buffer = temp8;
-       buffer += 1;
-
-       /* Return the number of bytes consumed in this operation */
-
-       *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
-       return_ACPI_STATUS (AE_OK);
-}
-
-
+ACPI_MODULE_NAME("rsmisc")
+
+#define INIT_RESOURCE_TYPE(i)       i->resource_offset
+#define INIT_RESOURCE_LENGTH(i)     i->aml_offset
+#define INIT_TABLE_LENGTH(i)        i->value
+#define COMPARE_OPCODE(i)           i->resource_offset
+#define COMPARE_TARGET(i)           i->aml_offset
+#define COMPARE_VALUE(i)            i->value
 /*******************************************************************************
  *
- * FUNCTION:    acpi_rs_vendor_resource
+ * FUNCTION:    acpi_rs_convert_aml_to_resource
  *
- * PARAMETERS:  byte_stream_buffer      - Pointer to the resource input byte
- *                                        stream
- *              bytes_consumed          - Pointer to where the number of bytes
- *                                        consumed the byte_stream_buffer is
- *                                        returned
- *              output_buffer           - Pointer to the return data buffer
- *              structure_size          - Pointer to where the number of bytes
- *                                        in the return data struct is returned
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Aml                 - Where the AML descriptor is returned
+ *              Info                - Pointer to appropriate conversion table
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Take the resource byte stream and fill out the appropriate
- *              structure pointed to by the output_buffer. Return the
- *              number of bytes consumed from the byte stream.
+ * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
+ *              internal resource descriptor
  *
  ******************************************************************************/
-
 acpi_status
-acpi_rs_vendor_resource (
-       u8                              *byte_stream_buffer,
-       acpi_size                       *bytes_consumed,
-       u8                              **output_buffer,
-       acpi_size                       *structure_size)
+acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
+                               union aml_resource *aml,
+                               struct acpi_rsconvert_info *info)
 {
-       u8                              *buffer = byte_stream_buffer;
-       struct acpi_resource            *output_struct = (void *) *output_buffer;
-       u16                             temp16 = 0;
-       u8                              temp8 = 0;
-       u8                              index;
-       acpi_size                       struct_size = ACPI_SIZEOF_RESOURCE (
-                         struct acpi_resource_vendor);
-
-
-       ACPI_FUNCTION_TRACE ("rs_vendor_resource");
-
-
-       /* Dereference the Descriptor to find if this is a large or small item. */
-
-       temp8 = *buffer;
-
-       if (temp8 & 0x80) {
-               /* Large Item, point to the length field */
-
-               buffer += 1;
-
-               /* Dereference */
-
-               ACPI_MOVE_16_TO_16 (&temp16, buffer);
-
-               /* Calculate bytes consumed */
-
-               *bytes_consumed = (acpi_size) temp16 + 3;
-
-               /* Point to the first vendor byte */
-
-               buffer += 2;
-       }
-       else {
-               /* Small Item, dereference the size */
-
-               temp16 = (u8)(*buffer & 0x07);
+       acpi_rs_length aml_resource_length;
+       void *source;
+       void *destination;
+       char *target;
+       u8 count;
+       u8 flags_mode = FALSE;
+       u16 item_count = 0;
+       u16 temp16 = 0;
 
-               /* Calculate bytes consumed */
+       ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
 
-               *bytes_consumed = (acpi_size) temp16 + 1;
+       if (((acpi_native_uint) resource) & 0x3) {
 
-               /* Point to the first vendor byte */
+               /* Each internal resource struct is expected to be 32-bit aligned */
 
-               buffer += 1;
+               ACPI_WARNING((AE_INFO,
+                             "Misaligned resource pointer (get): %p Type %2.2X Len %X",
+                             resource, resource->type, resource->length));
        }
 
-       output_struct->id = ACPI_RSTYPE_VENDOR;
-       output_struct->data.vendor_specific.length = temp16;
+       /* Extract the resource Length field (does not include header length) */
 
-       for (index = 0; index < temp16; index++) {
-               output_struct->data.vendor_specific.reserved[index] = *buffer;
-               buffer += 1;
-       }
+       aml_resource_length = acpi_ut_get_resource_length(aml);
 
        /*
-        * In order for the struct_size to fall on a 32-bit boundary,
-        * calculate the length of the vendor string and expand the
-        * struct_size to the next 32-bit boundary.
+        * First table entry must be ACPI_RSC_INITxxx and must contain the
+        * table length (# of table entries)
         */
-       struct_size += ACPI_ROUND_UP_to_32_bITS (temp16);
-
-       /* Set the Length parameter */
-
-       output_struct->length = (u32) struct_size;
-
-       /* Return the final size of the structure */
-
-       *structure_size = struct_size;
-       return_ACPI_STATUS (AE_OK);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_rs_vendor_stream
- *
- * PARAMETERS:  linked_list             - Pointer to the resource linked list
- *              output_buffer           - Pointer to the user's return buffer
- *              bytes_consumed          - Pointer to where the number of bytes
- *                                        used in the output_buffer is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- *              the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_vendor_stream (
-       struct acpi_resource            *linked_list,
-       u8                              **output_buffer,
-       acpi_size                       *bytes_consumed)
-{
-       u8                              *buffer = *output_buffer;
-       u16                             temp16 = 0;
-       u8                              temp8 = 0;
-       u8                              index;
-
-
-       ACPI_FUNCTION_TRACE ("rs_vendor_stream");
-
-
-       /* Dereference the length to find if this is a large or small item. */
-
-       if(linked_list->data.vendor_specific.length > 7) {
-               /* Large Item, Set the descriptor field and length bytes */
-
-               *buffer = 0x84;
-               buffer += 1;
-
-               temp16 = (u16) linked_list->data.vendor_specific.length;
-
-               ACPI_MOVE_16_TO_16 (buffer, &temp16);
-               buffer += 2;
-       }
-       else {
-               /* Small Item, Set the descriptor field */
-
-               temp8 = 0x70;
-               temp8 |= (u8) linked_list->data.vendor_specific.length;
+       count = INIT_TABLE_LENGTH(info);
+
+       while (count) {
+               /*
+                * Source is the external AML byte stream buffer,
+                * destination is the internal resource descriptor
+                */
+               source = ACPI_ADD_PTR(void, aml, info->aml_offset);
+               destination =
+                   ACPI_ADD_PTR(void, resource, info->resource_offset);
+
+               switch (info->opcode) {
+               case ACPI_RSC_INITGET:
+                       /*
+                        * Get the resource type and the initial (minimum) length
+                        */
+                       ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info));
+                       resource->type = INIT_RESOURCE_TYPE(info);
+                       resource->length = INIT_RESOURCE_LENGTH(info);
+                       break;
+
+               case ACPI_RSC_INITSET:
+                       break;
+
+               case ACPI_RSC_FLAGINIT:
+
+                       flags_mode = TRUE;
+                       break;
+
+               case ACPI_RSC_1BITFLAG:
+                       /*
+                        * Mask and shift the flag bit
+                        */
+                       ACPI_SET8(destination) = (u8)
+                           ((ACPI_GET8(source) >> info->value) & 0x01);
+                       break;
+
+               case ACPI_RSC_2BITFLAG:
+                       /*
+                        * Mask and shift the flag bits
+                        */
+                       ACPI_SET8(destination) = (u8)
+                           ((ACPI_GET8(source) >> info->value) & 0x03);
+                       break;
+
+               case ACPI_RSC_COUNT:
+
+                       item_count = ACPI_GET8(source);
+                       ACPI_SET8(destination) = (u8) item_count;
+
+                       resource->length = resource->length +
+                           (info->value * (item_count - 1));
+                       break;
+
+               case ACPI_RSC_COUNT16:
+
+                       item_count = aml_resource_length;
+                       ACPI_SET16(destination) = item_count;
+
+                       resource->length = resource->length +
+                           (info->value * (item_count - 1));
+                       break;
+
+               case ACPI_RSC_LENGTH:
+
+                       resource->length = resource->length + info->value;
+                       break;
+
+               case ACPI_RSC_MOVE8:
+               case ACPI_RSC_MOVE16:
+               case ACPI_RSC_MOVE32:
+               case ACPI_RSC_MOVE64:
+                       /*
+                        * Raw data move. Use the Info value field unless item_count has
+                        * been previously initialized via a COUNT opcode
+                        */
+                       if (info->value) {
+                               item_count = info->value;
+                       }
+                       acpi_rs_move_data(destination, source, item_count,
+                                         info->opcode);
+                       break;
+
+               case ACPI_RSC_SET8:
+
+                       ACPI_MEMSET(destination, info->aml_offset, info->value);
+                       break;
+
+               case ACPI_RSC_DATA8:
+
+                       target = ACPI_ADD_PTR(char, resource, info->value);
+                       ACPI_MEMCPY(destination, source, ACPI_GET16(target));
+                       break;
+
+               case ACPI_RSC_ADDRESS:
+                       /*
+                        * Common handler for address descriptor flags
+                        */
+                       if (!acpi_rs_get_address_common(resource, aml)) {
+                               return_ACPI_STATUS
+                                   (AE_AML_INVALID_RESOURCE_TYPE);
+                       }
+                       break;
+
+               case ACPI_RSC_SOURCE:
+                       /*
+                        * Optional resource_source (Index and String)
+                        */
+                       resource->length +=
+                           acpi_rs_get_resource_source(aml_resource_length,
+                                                       info->value,
+                                                       destination, aml, NULL);
+                       break;
+
+               case ACPI_RSC_SOURCEX:
+                       /*
+                        * Optional resource_source (Index and String). This is the more
+                        * complicated case used by the Interrupt() macro
+                        */
+                       target =
+                           ACPI_ADD_PTR(char, resource,
+                                        info->aml_offset + (item_count * 4));
+
+                       resource->length +=
+                           acpi_rs_get_resource_source(aml_resource_length,
+                                                       (acpi_rs_length) (((item_count - 1) * sizeof(u32)) + info->value), destination, aml, target);
+                       break;
+
+               case ACPI_RSC_BITMASK:
+                       /*
+                        * 8-bit encoded bitmask (DMA macro)
+                        */
+                       item_count =
+                           acpi_rs_decode_bitmask(ACPI_GET8(source),
+                                                  destination);
+                       if (item_count) {
+                               resource->length += (item_count - 1);
+                       }
+
+                       target = ACPI_ADD_PTR(char, resource, info->value);
+                       ACPI_SET8(target) = (u8) item_count;
+                       break;
+
+               case ACPI_RSC_BITMASK16:
+                       /*
+                        * 16-bit encoded bitmask (IRQ macro)
+                        */
+                       ACPI_MOVE_16_TO_16(&temp16, source);
+
+                       item_count =
+                           acpi_rs_decode_bitmask(temp16, destination);
+                       if (item_count) {
+                               resource->length += (item_count - 1);
+                       }
+
+                       target = ACPI_ADD_PTR(char, resource, info->value);
+                       ACPI_SET8(target) = (u8) item_count;
+                       break;
+
+               case ACPI_RSC_EXIT_NE:
+                       /*
+                        * Control - Exit conversion if not equal
+                        */
+                       switch (info->resource_offset) {
+                       case ACPI_RSC_COMPARE_AML_LENGTH:
+                               if (aml_resource_length != info->value) {
+                                       goto exit;
+                               }
+                               break;
+
+                       case ACPI_RSC_COMPARE_VALUE:
+                               if (ACPI_GET8(source) != info->value) {
+                                       goto exit;
+                               }
+                               break;
+
+                       default:
+
+                               ACPI_ERROR((AE_INFO,
+                                           "Invalid conversion sub-opcode"));
+                               return_ACPI_STATUS(AE_BAD_PARAMETER);
+                       }
+                       break;
+
+               default:
+
+                       ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
+                       return_ACPI_STATUS(AE_BAD_PARAMETER);
+               }
 
-               *buffer = temp8;
-               buffer += 1;
+               count--;
+               info++;
        }
 
-       /* Loop through all of the Vendor Specific fields */
+      exit:
+       if (!flags_mode) {
 
-       for (index = 0; index < linked_list->data.vendor_specific.length; index++) {
-               temp8 = linked_list->data.vendor_specific.reserved[index];
+               /* Round the resource struct length up to the next boundary (32 or 64) */
 
-               *buffer = temp8;
-               buffer += 1;
+               resource->length =
+                   (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
        }
-
-       /* Return the number of bytes consumed in this operation */
-
-       *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
-       return_ACPI_STATUS (AE_OK);
+       return_ACPI_STATUS(AE_OK);
 }
 
-
 /*******************************************************************************
  *
- * FUNCTION:    acpi_rs_start_depend_fns_resource
+ * FUNCTION:    acpi_rs_convert_resource_to_aml
  *
- * PARAMETERS:  byte_stream_buffer      - Pointer to the resource input byte
- *                                        stream
- *              bytes_consumed          - Pointer to where the number of bytes
- *                                        consumed the byte_stream_buffer is
- *                                        returned
- *              output_buffer           - Pointer to the return data buffer
- *              structure_size          - Pointer to where the number of bytes
- *                                        in the return data struct is returned
+ * PARAMETERS:  Resource            - Pointer to the resource descriptor
+ *              Aml                 - Where the AML descriptor is returned
+ *              Info                - Pointer to appropriate conversion table
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Take the resource byte stream and fill out the appropriate
- *              structure pointed to by the output_buffer. Return the
- *              number of bytes consumed from the byte stream.
+ * DESCRIPTION: Convert an internal resource descriptor to the corresponding
+ *              external AML resource descriptor.
  *
  ******************************************************************************/
 
 acpi_status
-acpi_rs_start_depend_fns_resource (
-       u8                              *byte_stream_buffer,
-       acpi_size                       *bytes_consumed,
-       u8                              **output_buffer,
-       acpi_size                       *structure_size)
+acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
+                               union aml_resource *aml,
+                               struct acpi_rsconvert_info *info)
 {
-       u8                              *buffer = byte_stream_buffer;
-       struct acpi_resource            *output_struct = (void *) *output_buffer;
-       u8                              temp8 = 0;
-       acpi_size                       struct_size = ACPI_SIZEOF_RESOURCE (
-                         struct acpi_resource_start_dpf);
-
-
-       ACPI_FUNCTION_TRACE ("rs_start_depend_fns_resource");
-
-
-       /* The number of bytes consumed are found in the descriptor (Bits:0-1) */
-
-       temp8 = *buffer;
-
-       *bytes_consumed = (temp8 & 0x01) + 1;
-
-       output_struct->id = ACPI_RSTYPE_START_DPF;
-
-       /* Point to Byte 1 if it is used */
-
-       if (2 == *bytes_consumed) {
-               buffer += 1;
-               temp8 = *buffer;
-
-               /* Check Compatibility priority */
-
-               output_struct->data.start_dpf.compatibility_priority = temp8 & 0x03;
-
-               if (3 == output_struct->data.start_dpf.compatibility_priority) {
-                       return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
-               }
+       void *source = NULL;
+       void *destination;
+       acpi_rsdesc_size aml_length = 0;
+       u8 count;
+       u16 temp16 = 0;
+       u16 item_count = 0;
 
-               /* Check Performance/Robustness preference */
+       ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
 
-               output_struct->data.start_dpf.performance_robustness = (temp8 >> 2) & 0x03;
-
-               if (3 == output_struct->data.start_dpf.performance_robustness) {
-                       return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
+       /*
+        * First table entry must be ACPI_RSC_INITxxx and must contain the
+        * table length (# of table entries)
+        */
+       count = INIT_TABLE_LENGTH(info);
+
+       while (count) {
+               /*
+                * Source is the internal resource descriptor,
+                * destination is the external AML byte stream buffer
+                */
+               source = ACPI_ADD_PTR(void, resource, info->resource_offset);
+               destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
+
+               switch (info->opcode) {
+               case ACPI_RSC_INITSET:
+
+                       ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info));
+                       aml_length = INIT_RESOURCE_LENGTH(info);
+                       acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info),
+                                                   aml_length, aml);
+                       break;
+
+               case ACPI_RSC_INITGET:
+                       break;
+
+               case ACPI_RSC_FLAGINIT:
+                       /*
+                        * Clear the flag byte
+                        */
+                       ACPI_SET8(destination) = 0;
+                       break;
+
+               case ACPI_RSC_1BITFLAG:
+                       /*
+                        * Mask and shift the flag bit
+                        */
+                       ACPI_SET8(destination) |= (u8)
+                           ((ACPI_GET8(source) & 0x01) << info->value);
+                       break;
+
+               case ACPI_RSC_2BITFLAG:
+                       /*
+                        * Mask and shift the flag bits
+                        */
+                       ACPI_SET8(destination) |= (u8)
+                           ((ACPI_GET8(source) & 0x03) << info->value);
+                       break;
+
+               case ACPI_RSC_COUNT:
+
+                       item_count = ACPI_GET8(source);
+                       ACPI_SET8(destination) = (u8) item_count;
+
+                       aml_length =
+                           (u16) (aml_length +
+                                  (info->value * (item_count - 1)));
+                       break;
+
+               case ACPI_RSC_COUNT16:
+
+                       item_count = ACPI_GET16(source);
+                       aml_length = (u16) (aml_length + item_count);
+                       acpi_rs_set_resource_length(aml_length, aml);
+                       break;
+
+               case ACPI_RSC_LENGTH:
+
+                       acpi_rs_set_resource_length(info->value, aml);
+                       break;
+
+               case ACPI_RSC_MOVE8:
+               case ACPI_RSC_MOVE16:
+               case ACPI_RSC_MOVE32:
+               case ACPI_RSC_MOVE64:
+
+                       if (info->value) {
+                               item_count = info->value;
+                       }
+                       acpi_rs_move_data(destination, source, item_count,
+                                         info->opcode);
+                       break;
+
+               case ACPI_RSC_ADDRESS:
+
+                       /* Set the Resource Type, General Flags, and Type-Specific Flags */
+
+                       acpi_rs_set_address_common(aml, resource);
+                       break;
+
+               case ACPI_RSC_SOURCEX:
+                       /*
+                        * Optional resource_source (Index and String)
+                        */
+                       aml_length =
+                           acpi_rs_set_resource_source(aml,
+                                                       (acpi_rs_length)
+                                                       aml_length, source);
+                       acpi_rs_set_resource_length(aml_length, aml);
+                       break;
+
+               case ACPI_RSC_SOURCE:
+                       /*
+                        * Optional resource_source (Index and String). This is the more
+                        * complicated case used by the Interrupt() macro
+                        */
+                       aml_length =
+                           acpi_rs_set_resource_source(aml, info->value,
+                                                       source);
+                       acpi_rs_set_resource_length(aml_length, aml);
+                       break;
+
+               case ACPI_RSC_BITMASK:
+                       /*
+                        * 8-bit encoded bitmask (DMA macro)
+                        */
+                       ACPI_SET8(destination) = (u8)
+                           acpi_rs_encode_bitmask(source,
+                                                  *ACPI_ADD_PTR(u8, resource,
+                                                                info->value));
+                       break;
+
+               case ACPI_RSC_BITMASK16:
+                       /*
+                        * 16-bit encoded bitmask (IRQ macro)
+                        */
+                       temp16 = acpi_rs_encode_bitmask(source,
+                                                       *ACPI_ADD_PTR(u8,
+                                                                     resource,
+                                                                     info->
+                                                                     value));
+                       ACPI_MOVE_16_TO_16(destination, &temp16);
+                       break;
+
+               case ACPI_RSC_EXIT_LE:
+                       /*
+                        * Control - Exit conversion if less than or equal
+                        */
+                       if (item_count <= info->value) {
+                               goto exit;
+                       }
+                       break;
+
+               case ACPI_RSC_EXIT_NE:
+                       /*
+                        * Control - Exit conversion if not equal
+                        */
+                       switch (COMPARE_OPCODE(info)) {
+                       case ACPI_RSC_COMPARE_VALUE:
+
+                               if (*ACPI_ADD_PTR(u8, resource,
+                                                 COMPARE_TARGET(info)) !=
+                                   COMPARE_VALUE(info)) {
+                                       goto exit;
+                               }
+                               break;
+
+                       default:
+
+                               ACPI_ERROR((AE_INFO,
+                                           "Invalid conversion sub-opcode"));
+                               return_ACPI_STATUS(AE_BAD_PARAMETER);
+                       }
+                       break;
+
+               default:
+
+                       ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
+                       return_ACPI_STATUS(AE_BAD_PARAMETER);
                }
-       }
-       else {
-               output_struct->data.start_dpf.compatibility_priority =
-                       ACPI_ACCEPTABLE_CONFIGURATION;
 
-               output_struct->data.start_dpf.performance_robustness =
-                       ACPI_ACCEPTABLE_CONFIGURATION;
+               count--;
+               info++;
        }
 
-       /* Set the Length parameter */
-
-       output_struct->length = (u32) struct_size;
-
-       /* Return the final size of the structure */
-
-       *structure_size = struct_size;
-       return_ACPI_STATUS (AE_OK);
+      exit:
+       return_ACPI_STATUS(AE_OK);
 }
 
+#if 0
+/* Previous resource validations */
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_rs_end_depend_fns_resource
- *
- * PARAMETERS:  byte_stream_buffer      - Pointer to the resource input byte
- *                                        stream
- *              bytes_consumed          - Pointer to where the number of bytes
- *                                        consumed the byte_stream_buffer is
- *                                        returned
- *              output_buffer           - Pointer to the return data buffer
- *              structure_size          - Pointer to where the number of bytes
- *                                        in the return data struct is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Take the resource byte stream and fill out the appropriate
- *              structure pointed to by the output_buffer. Return the
- *              number of bytes consumed from the byte stream.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_end_depend_fns_resource (
-       u8                              *byte_stream_buffer,
-       acpi_size                       *bytes_consumed,
-       u8                              **output_buffer,
-       acpi_size                       *structure_size)
-{
-       struct acpi_resource            *output_struct = (void *) *output_buffer;
-       acpi_size                       struct_size = ACPI_RESOURCE_LENGTH;
-
-
-       ACPI_FUNCTION_TRACE ("rs_end_depend_fns_resource");
-
-
-       /* The number of bytes consumed is static */
-
-       *bytes_consumed = 1;
-
-       /*  Fill out the structure */
-
-       output_struct->id = ACPI_RSTYPE_END_DPF;
-
-       /* Set the Length parameter */
-
-       output_struct->length = (u32) struct_size;
-
-       /* Return the final size of the structure */
-
-       *structure_size = struct_size;
-       return_ACPI_STATUS (AE_OK);
+if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
+       return_ACPI_STATUS(AE_SUPPORT);
 }
 
+if (resource->data.start_dpf.performance_robustness >= 3) {
+       return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
+}
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_rs_start_depend_fns_stream
- *
- * PARAMETERS:  linked_list             - Pointer to the resource linked list
- *              output_buffer           - Pointer to the user's return buffer
- *              bytes_consumed          - u32 pointer that is filled with
- *                                        the number of bytes of the
- *                                        output_buffer used
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- *              the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_start_depend_fns_stream (
-       struct acpi_resource            *linked_list,
-       u8                              **output_buffer,
-       acpi_size                       *bytes_consumed)
-{
-       u8                              *buffer = *output_buffer;
-       u8                              temp8 = 0;
-
-
-       ACPI_FUNCTION_TRACE ("rs_start_depend_fns_stream");
-
-
+if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
        /*
-        * The descriptor field is set based upon whether a byte is needed
-        * to contain Priority data.
+        * Only [active_high, edge_sensitive] or [active_low, level_sensitive]
+        * polarity/trigger interrupts are allowed (ACPI spec, section
+        * "IRQ Format"), so 0x00 and 0x09 are illegal.
         */
-       if (ACPI_ACCEPTABLE_CONFIGURATION ==
-                       linked_list->data.start_dpf.compatibility_priority &&
-               ACPI_ACCEPTABLE_CONFIGURATION ==
-                       linked_list->data.start_dpf.performance_robustness) {
-               *buffer = 0x30;
-       }
-       else {
-               *buffer = 0x31;
-               buffer += 1;
-
-               /* Set the Priority Byte Definition */
-
-               temp8 = 0;
-               temp8 = (u8) ((linked_list->data.start_dpf.performance_robustness &
-                                  0x03) << 2);
-               temp8 |= (linked_list->data.start_dpf.compatibility_priority &
-                                  0x03);
-               *buffer = temp8;
-       }
-
-       buffer += 1;
-
-       /* Return the number of bytes consumed in this operation */
-
-       *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
-       return_ACPI_STATUS (AE_OK);
+       ACPI_ERROR((AE_INFO,
+                   "Invalid interrupt polarity/trigger in resource list, %X",
+                   aml->irq.flags));
+       return_ACPI_STATUS(AE_BAD_DATA);
 }
 
+resource->data.extended_irq.interrupt_count = temp8;
+if (temp8 < 1) {
 
-/*******************************************************************************
- *
- * FUNCTION:    acpi_rs_end_depend_fns_stream
- *
- * PARAMETERS:  linked_list             - Pointer to the resource linked list
- *              output_buffer           - Pointer to the user's return buffer
- *              bytes_consumed          - Pointer to where the number of bytes
- *                                        used in the output_buffer is returned
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Take the linked list resource structure and fills in the
- *              the appropriate bytes in a byte stream
- *
- ******************************************************************************/
-
-acpi_status
-acpi_rs_end_depend_fns_stream (
-       struct acpi_resource            *linked_list,
-       u8                              **output_buffer,
-       acpi_size                       *bytes_consumed)
-{
-       u8                              *buffer = *output_buffer;
-
-
-       ACPI_FUNCTION_TRACE ("rs_end_depend_fns_stream");
+       /* Must have at least one IRQ */
 
-
-       /* The descriptor field is static */
-
-       *buffer = 0x38;
-       buffer += 1;
-
-       /* Return the number of bytes consumed in this operation */
-
-       *bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
-       return_ACPI_STATUS (AE_OK);
+       return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
 }
 
+if (resource->data.dma.transfer == 0x03) {
+       ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)"));
+       return_ACPI_STATUS(AE_BAD_DATA);
+}
+#endif