******************************************************************************/
/*
- * 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 ("rsio")
-
+ACPI_MODULE_NAME("rsio")
/*******************************************************************************
*
- * FUNCTION: acpi_rs_io_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_rs_convert_io
*
******************************************************************************/
+struct acpi_rsconvert_info acpi_rs_convert_io[5] = {
+ {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO,
+ ACPI_RS_SIZE(struct acpi_resource_io),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io)},
-acpi_status
-acpi_rs_io_resource (
- u8 *byte_stream_buffer,
- acpi_size *bytes_consumed,
- u8 **output_buffer,
- acpi_size *structure_size)
-{
- u8 *buffer = byte_stream_buffer;
- struct acpi_resource *output_struct = (void *) *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
- acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_io);
-
-
- ACPI_FUNCTION_TRACE ("rs_io_resource");
-
-
- /*
- * The number of bytes consumed are Constant
- */
- *bytes_consumed = 8;
-
- output_struct->id = ACPI_RSTYPE_IO;
-
- /*
- * Check Decode
- */
- buffer += 1;
- temp8 = *buffer;
-
- output_struct->data.io.io_decode = temp8 & 0x01;
-
- /*
- * Check min_base Address
- */
- buffer += 1;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
+ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO,
+ sizeof(struct aml_resource_io),
+ 0},
- output_struct->data.io.min_base_address = temp16;
+ /* Decode flag */
+ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode),
+ AML_OFFSET(io.flags),
+ 0},
/*
- * Check max_base Address
+ * These fields are contiguous in both the source and destination:
+ * Address Alignment
+ * Length
+ * Minimum Base Address
+ * Maximum Base Address
*/
- buffer += 2;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
-
- output_struct->data.io.max_base_address = temp16;
-
- /*
- * Check Base alignment
- */
- buffer += 2;
- temp8 = *buffer;
-
- output_struct->data.io.alignment = temp8;
-
- /*
- * Check range_length
- */
- buffer += 1;
- temp8 = *buffer;
-
- output_struct->data.io.range_length = temp8;
-
- /*
- * 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);
-}
+ {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.io.alignment),
+ AML_OFFSET(io.alignment),
+ 2},
+ {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.io.minimum),
+ AML_OFFSET(io.minimum),
+ 2}
+};
/*******************************************************************************
*
- * FUNCTION: acpi_rs_fixed_io_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_rs_convert_fixed_io
*
******************************************************************************/
-acpi_status
-acpi_rs_fixed_io_resource (
- u8 *byte_stream_buffer,
- acpi_size *bytes_consumed,
- u8 **output_buffer,
- acpi_size *structure_size)
-{
- u8 *buffer = byte_stream_buffer;
- struct acpi_resource *output_struct = (void *) *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
- acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_fixed_io);
-
-
- ACPI_FUNCTION_TRACE ("rs_fixed_io_resource");
-
-
- /*
- * The number of bytes consumed are Constant
- */
- *bytes_consumed = 4;
-
- output_struct->id = ACPI_RSTYPE_FIXED_IO;
-
- /*
- * Check Range Base Address
- */
- buffer += 1;
- ACPI_MOVE_16_TO_16 (&temp16, buffer);
-
- output_struct->data.fixed_io.base_address = temp16;
-
- /*
- * Check range_length
- */
- buffer += 2;
- temp8 = *buffer;
-
- output_struct->data.fixed_io.range_length = temp8;
-
- /*
- * Set the Length parameter
- */
- output_struct->length = (u32) struct_size;
+struct acpi_rsconvert_info acpi_rs_convert_fixed_io[4] = {
+ {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO,
+ ACPI_RS_SIZE(struct acpi_resource_fixed_io),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_io)},
+ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO,
+ sizeof(struct aml_resource_fixed_io),
+ 0},
/*
- * Return the final size of the structure
+ * These fields are contiguous in both the source and destination:
+ * Base Address
+ * Length
*/
- *structure_size = struct_size;
- return_ACPI_STATUS (AE_OK);
-}
+ {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_io.address_length),
+ AML_OFFSET(fixed_io.address_length),
+ 1},
+ {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_io.address),
+ AML_OFFSET(fixed_io.address),
+ 1}
+};
/*******************************************************************************
*
- * FUNCTION: acpi_rs_io_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_rs_convert_generic_reg
*
******************************************************************************/
-acpi_status
-acpi_rs_io_stream (
- struct acpi_resource *linked_list,
- u8 **output_buffer,
- acpi_size *bytes_consumed)
-{
- u8 *buffer = *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
-
-
- ACPI_FUNCTION_TRACE ("rs_io_stream");
-
-
- /*
- * The descriptor field is static
- */
- *buffer = 0x47;
- buffer += 1;
-
- /*
- * Io Information Byte
- */
- temp8 = (u8) (linked_list->data.io.io_decode & 0x01);
-
- *buffer = temp8;
- buffer += 1;
+struct acpi_rsconvert_info acpi_rs_convert_generic_reg[4] = {
+ {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER,
+ ACPI_RS_SIZE(struct acpi_resource_generic_register),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_generic_reg)},
+ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER,
+ sizeof(struct aml_resource_generic_register),
+ 0},
/*
- * Set the Range minimum base address
+ * These fields are contiguous in both the source and destination:
+ * Address Space ID
+ * Register Bit Width
+ * Register Bit Offset
+ * Access Size
*/
- temp16 = (u16) linked_list->data.io.min_base_address;
+ {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id),
+ AML_OFFSET(generic_reg.address_space_id),
+ 4},
- ACPI_MOVE_16_TO_16 (buffer, &temp16);
- buffer += 2;
-
- /*
- * Set the Range maximum base address
- */
- temp16 = (u16) linked_list->data.io.max_base_address;
-
- ACPI_MOVE_16_TO_16 (buffer, &temp16);
- buffer += 2;
-
- /*
- * Set the base alignment
- */
- temp8 = (u8) linked_list->data.io.alignment;
-
- *buffer = temp8;
- buffer += 1;
-
- /*
- * Set the range length
- */
- temp8 = (u8) linked_list->data.io.range_length;
-
- *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);
-}
+ /* Get the Register Address */
+ {ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address),
+ AML_OFFSET(generic_reg.address),
+ 1}
+};
/*******************************************************************************
*
- * FUNCTION: acpi_rs_fixed_io_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_rs_convert_end_dpf
*
******************************************************************************/
-acpi_status
-acpi_rs_fixed_io_stream (
- struct acpi_resource *linked_list,
- u8 **output_buffer,
- acpi_size *bytes_consumed)
-{
- u8 *buffer = *output_buffer;
- u16 temp16 = 0;
- u8 temp8 = 0;
-
-
- ACPI_FUNCTION_TRACE ("rs_fixed_io_stream");
-
-
- /*
- * The descriptor field is static
- */
- *buffer = 0x4B;
-
- buffer += 1;
-
- /*
- * Set the Range base address
- */
- temp16 = (u16) linked_list->data.fixed_io.base_address;
-
- ACPI_MOVE_16_TO_16 (buffer, &temp16);
- buffer += 2;
-
- /*
- * Set the range length
- */
- temp8 = (u8) linked_list->data.fixed_io.range_length;
-
- *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);
-}
+struct acpi_rsconvert_info acpi_rs_convert_end_dpf[2] = {
+ {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT,
+ ACPI_RS_SIZE_MIN,
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_dpf)},
+ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT,
+ sizeof(struct aml_resource_end_dependent),
+ 0}
+};
/*******************************************************************************
*
- * FUNCTION: acpi_rs_dma_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_rs_convert_end_tag
*
******************************************************************************/
-acpi_status
-acpi_rs_dma_resource (
- u8 *byte_stream_buffer,
- acpi_size *bytes_consumed,
- u8 **output_buffer,
- acpi_size *structure_size)
-{
- u8 *buffer = byte_stream_buffer;
- struct acpi_resource *output_struct = (void *) *output_buffer;
- u8 temp8 = 0;
- u8 index;
- u8 i;
- acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_dma);
-
-
- ACPI_FUNCTION_TRACE ("rs_dma_resource");
-
+struct acpi_rsconvert_info acpi_rs_convert_end_tag[2] = {
+ {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG,
+ ACPI_RS_SIZE_MIN,
+ ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_tag)},
/*
- * The number of bytes consumed are Constant
+ * Note: The checksum field is set to zero, meaning that the resource
+ * data is treated as if the checksum operation succeeded.
+ * (ACPI Spec 1.0b Section 6.4.2.8)
*/
- *bytes_consumed = 3;
- output_struct->id = ACPI_RSTYPE_DMA;
-
- /*
- * Point to the 8-bits of Byte 1
- */
- buffer += 1;
- temp8 = *buffer;
-
- /* Decode the DMA channel bits */
+ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG,
+ sizeof(struct aml_resource_end_tag),
+ 0}
+};
- for (i = 0, index = 0; index < 8; index++) {
- if ((temp8 >> index) & 0x01) {
- output_struct->data.dma.channels[i] = index;
- i++;
- }
- }
-
- /* Zero DMA channels is valid */
-
- output_struct->data.dma.number_of_channels = i;
- if (i > 0) {
- /*
- * Calculate the structure size based upon the number of interrupts
- */
- struct_size += ((acpi_size) i - 1) * 4;
- }
+/*******************************************************************************
+ *
+ * acpi_rs_get_start_dpf
+ *
+ ******************************************************************************/
- /*
- * Point to Byte 2
- */
- buffer += 1;
- temp8 = *buffer;
+struct acpi_rsconvert_info acpi_rs_get_start_dpf[5] = {
+ {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT,
+ ACPI_RS_SIZE(struct acpi_resource_start_dependent),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_get_start_dpf)},
- /*
- * Check for transfer preference (Bits[1:0])
- */
- output_struct->data.dma.transfer = temp8 & 0x03;
+ /* Defaults for Compatibility and Performance priorities */
- if (0x03 == output_struct->data.dma.transfer) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid DMA.Transfer preference (3)\n"));
- return_ACPI_STATUS (AE_BAD_DATA);
- }
+ {ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
+ ACPI_ACCEPTABLE_CONFIGURATION,
+ 2},
- /*
- * Get bus master preference (Bit[2])
- */
- output_struct->data.dma.bus_master = (temp8 >> 2) & 0x01;
+ /* All done if there is no flag byte present in the descriptor */
- /*
- * Get channel speed support (Bits[6:5])
- */
- output_struct->data.dma.type = (temp8 >> 5) & 0x03;
+ {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},
- /*
- * Set the Length parameter
- */
- output_struct->length = (u32) struct_size;
+ /* Flag byte is present, get the flags */
- /*
- * Return the final size of the structure
- */
- *structure_size = struct_size;
- return_ACPI_STATUS (AE_OK);
-}
+ {ACPI_RSC_2BITFLAG,
+ ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
+ AML_OFFSET(start_dpf.flags),
+ 0},
+ {ACPI_RSC_2BITFLAG,
+ ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
+ AML_OFFSET(start_dpf.flags),
+ 2}
+};
/*******************************************************************************
*
- * FUNCTION: acpi_rs_dma_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_rs_set_start_dpf
*
******************************************************************************/
-acpi_status
-acpi_rs_dma_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;
-
+struct acpi_rsconvert_info acpi_rs_set_start_dpf[6] = {
+ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT,
+ sizeof(struct aml_resource_start_dependent),
+ ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf)},
- ACPI_FUNCTION_TRACE ("rs_dma_stream");
+ /* Set the default flag values */
+ {ACPI_RSC_2BITFLAG,
+ ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
+ AML_OFFSET(start_dpf.flags),
+ 0},
+ {ACPI_RSC_2BITFLAG,
+ ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
+ AML_OFFSET(start_dpf.flags),
+ 2},
/*
- * The descriptor field is static
+ * All done if flags byte is necessary -- if either priority value
+ * is not ACPI_ACCEPTABLE_CONFIGURATION
*/
- *buffer = 0x2A;
- buffer += 1;
- temp8 = 0;
+ {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
+ ACPI_RS_OFFSET(data.start_dpf.compatibility_priority),
+ ACPI_ACCEPTABLE_CONFIGURATION},
- /*
- * Loop through all of the Channels and set the mask bits
- */
- for (index = 0;
- index < linked_list->data.dma.number_of_channels;
- index++) {
- temp16 = (u16) linked_list->data.dma.channels[index];
- temp8 |= 0x1 << temp16;
- }
-
- *buffer = temp8;
- buffer += 1;
+ {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
+ ACPI_RS_OFFSET(data.start_dpf.performance_robustness),
+ ACPI_ACCEPTABLE_CONFIGURATION},
- /*
- * Set the DMA Info
- */
- temp8 = (u8) ((linked_list->data.dma.type & 0x03) << 5);
- temp8 |= ((linked_list->data.dma.bus_master & 0x01) << 2);
- temp8 |= (linked_list->data.dma.transfer & 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);
-}
+ /* Flag byte is not necessary */
+ {ACPI_RSC_LENGTH, 0, 0,
+ sizeof(struct aml_resource_start_dependent_noprio)}
+};
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