diff options
Diffstat (limited to 'drivers/acpi/resources/rslist.c')
| -rw-r--r-- | drivers/acpi/resources/rslist.c | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c deleted file mode 100644 index 103eb31c284..00000000000 --- a/drivers/acpi/resources/rslist.c +++ /dev/null @@ -1,525 +0,0 @@ -/******************************************************************************* - * - * Module Name: rslist - Linked list utilities - * - ******************************************************************************/ - -/* - * Copyright (C) 2000 - 2005, R. Byron Moore - * 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/acresrc.h> - -#define _COMPONENT ACPI_RESOURCES -ACPI_MODULE_NAME("rslist") - -/******************************************************************************* - * - * FUNCTION: acpi_rs_get_resource_type - * - * PARAMETERS: resource_start_byte - Byte 0 of a resource descriptor - * - * RETURN: The Resource Type with no extraneous bits - * - * DESCRIPTION: Extract the Resource Type/Name from the first byte of - * a resource descriptor. - * - ******************************************************************************/ -u8 acpi_rs_get_resource_type(u8 resource_start_byte) -{ - - ACPI_FUNCTION_ENTRY(); - - /* Determine if this is a small or large resource */ - - switch (resource_start_byte & ACPI_RDESC_TYPE_MASK) { - case ACPI_RDESC_TYPE_SMALL: - - /* Small Resource Type -- Only bits 6:3 are valid */ - - return ((u8) (resource_start_byte & ACPI_RDESC_SMALL_MASK)); - - case ACPI_RDESC_TYPE_LARGE: - - /* Large Resource Type -- All bits are valid */ - - return (resource_start_byte); - - default: - /* Invalid type */ - break; - } - - return (0xFF); -} - -/******************************************************************************* - * - * FUNCTION: acpi_rs_byte_stream_to_list - * - * PARAMETERS: byte_stream_buffer - Pointer to the resource byte stream - * byte_stream_buffer_length - Length of byte_stream_buffer - * output_buffer - Pointer to the buffer that will - * contain the output structures - * - * RETURN: Status - * - * DESCRIPTION: Takes the resource byte stream and parses it, creating a - * linked list of resources in the caller's output buffer - * - ******************************************************************************/ - -acpi_status -acpi_rs_byte_stream_to_list(u8 * byte_stream_buffer, - u32 byte_stream_buffer_length, u8 * output_buffer) -{ - acpi_status status; - acpi_size bytes_parsed = 0; - u8 resource_type = 0; - acpi_size bytes_consumed = 0; - u8 *buffer = output_buffer; - acpi_size structure_size = 0; - u8 end_tag_processed = FALSE; - struct acpi_resource *resource; - - ACPI_FUNCTION_TRACE("rs_byte_stream_to_list"); - - while (bytes_parsed < byte_stream_buffer_length && !end_tag_processed) { - /* The next byte in the stream is the resource type */ - - resource_type = acpi_rs_get_resource_type(*byte_stream_buffer); - - switch (resource_type) { - case ACPI_RDESC_TYPE_MEMORY_24: - /* - * 24-Bit Memory Resource - */ - status = acpi_rs_memory24_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_LARGE_VENDOR: - /* - * Vendor Defined Resource - */ - status = acpi_rs_vendor_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_MEMORY_32: - /* - * 32-Bit Memory Range Resource - */ - status = - acpi_rs_memory32_range_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_FIXED_MEMORY_32: - /* - * 32-Bit Fixed Memory Resource - */ - status = - acpi_rs_fixed_memory32_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE: - case ACPI_RDESC_TYPE_EXTENDED_ADDRESS_SPACE: - /* - * 64-Bit Address Resource - */ - status = acpi_rs_address64_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE: - /* - * 32-Bit Address Resource - */ - status = acpi_rs_address32_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE: - /* - * 16-Bit Address Resource - */ - status = acpi_rs_address16_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_EXTENDED_XRUPT: - /* - * Extended IRQ - */ - status = - acpi_rs_extended_irq_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_IRQ_FORMAT: - /* - * IRQ Resource - */ - status = acpi_rs_irq_resource(byte_stream_buffer, - &bytes_consumed, &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_DMA_FORMAT: - /* - * DMA Resource - */ - status = acpi_rs_dma_resource(byte_stream_buffer, - &bytes_consumed, &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_START_DEPENDENT: - /* - * Start Dependent Functions Resource - */ - status = - acpi_rs_start_depend_fns_resource - (byte_stream_buffer, &bytes_consumed, &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_END_DEPENDENT: - /* - * End Dependent Functions Resource - */ - status = - acpi_rs_end_depend_fns_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_IO_PORT: - /* - * IO Port Resource - */ - status = acpi_rs_io_resource(byte_stream_buffer, - &bytes_consumed, &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_FIXED_IO_PORT: - /* - * Fixed IO Port Resource - */ - status = acpi_rs_fixed_io_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_SMALL_VENDOR: - /* - * Vendor Specific Resource - */ - status = acpi_rs_vendor_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - case ACPI_RDESC_TYPE_END_TAG: - /* - * End Tag - */ - end_tag_processed = TRUE; - status = acpi_rs_end_tag_resource(byte_stream_buffer, - &bytes_consumed, - &buffer, - &structure_size); - break; - - default: - /* - * Invalid/Unknown resource type - */ - status = AE_AML_INVALID_RESOURCE_TYPE; - break; - } - - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Update the return value and counter */ - - bytes_parsed += bytes_consumed; - - /* Set the byte stream to point to the next resource */ - - byte_stream_buffer += bytes_consumed; - - /* Set the Buffer to the next structure */ - - resource = ACPI_CAST_PTR(struct acpi_resource, buffer); - resource->length = - (u32) ACPI_ALIGN_RESOURCE_SIZE(resource->length); - buffer += ACPI_ALIGN_RESOURCE_SIZE(structure_size); - } - - /* Check the reason for exiting the while loop */ - - if (!end_tag_processed) { - return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); - } - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_rs_list_to_byte_stream - * - * PARAMETERS: linked_list - Pointer to the resource linked list - * byte_steam_size_needed - Calculated size of the byte stream - * needed from calling - * acpi_rs_get_byte_stream_length() - * The size of the output_buffer is - * guaranteed to be >= - * byte_stream_size_needed - * output_buffer - Pointer to the buffer that will - * contain the byte stream - * - * RETURN: Status - * - * DESCRIPTION: Takes the resource linked list and parses it, creating a - * byte stream of resources in the caller's output buffer - * - ******************************************************************************/ - -acpi_status -acpi_rs_list_to_byte_stream(struct acpi_resource *linked_list, - acpi_size byte_stream_size_needed, - u8 * output_buffer) -{ - acpi_status status; - u8 *buffer = output_buffer; - acpi_size bytes_consumed = 0; - u8 done = FALSE; - - ACPI_FUNCTION_TRACE("rs_list_to_byte_stream"); - - while (!done) { - switch (linked_list->id) { - case ACPI_RSTYPE_IRQ: - /* - * IRQ Resource - */ - status = - acpi_rs_irq_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_DMA: - /* - * DMA Resource - */ - status = - acpi_rs_dma_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_START_DPF: - /* - * Start Dependent Functions Resource - */ - status = acpi_rs_start_depend_fns_stream(linked_list, - &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_END_DPF: - /* - * End Dependent Functions Resource - */ - status = acpi_rs_end_depend_fns_stream(linked_list, - &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_IO: - /* - * IO Port Resource - */ - status = - acpi_rs_io_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_FIXED_IO: - /* - * Fixed IO Port Resource - */ - status = - acpi_rs_fixed_io_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_VENDOR: - /* - * Vendor Defined Resource - */ - status = - acpi_rs_vendor_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_END_TAG: - /* - * End Tag - */ - status = - acpi_rs_end_tag_stream(linked_list, &buffer, - &bytes_consumed); - - /* An End Tag indicates the end of the Resource Template */ - - done = TRUE; - break; - - case ACPI_RSTYPE_MEM24: - /* - * 24-Bit Memory Resource - */ - status = - acpi_rs_memory24_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_MEM32: - /* - * 32-Bit Memory Range Resource - */ - status = - acpi_rs_memory32_range_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_FIXED_MEM32: - /* - * 32-Bit Fixed Memory Resource - */ - status = - acpi_rs_fixed_memory32_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_ADDRESS16: - /* - * 16-Bit Address Descriptor Resource - */ - status = acpi_rs_address16_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_ADDRESS32: - /* - * 32-Bit Address Descriptor Resource - */ - status = acpi_rs_address32_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_ADDRESS64: - /* - * 64-Bit Address Descriptor Resource - */ - status = acpi_rs_address64_stream(linked_list, &buffer, - &bytes_consumed); - break; - - case ACPI_RSTYPE_EXT_IRQ: - /* - * Extended IRQ Resource - */ - status = - acpi_rs_extended_irq_stream(linked_list, &buffer, - &bytes_consumed); - break; - - default: - /* - * If we get here, everything is out of sync, - * so exit with an error - */ - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid descriptor type (%X) in resource list\n", - linked_list->id)); - status = AE_BAD_DATA; - break; - } - - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Set the Buffer to point to the open byte */ - - buffer += bytes_consumed; - - /* Point to the next object */ - - linked_list = ACPI_PTR_ADD(struct acpi_resource, - linked_list, linked_list->length); - } - - return_ACPI_STATUS(AE_OK); -} |