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254 lines
7.2 KiB
254 lines
7.2 KiB
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
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/******************************************************************************* |
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* |
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* Module Name: rsio - IO and DMA resource descriptors |
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* |
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******************************************************************************/ |
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#include <acpi/acpi.h> |
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#include "accommon.h" |
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#include "acresrc.h" |
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#define _COMPONENT ACPI_RESOURCES |
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ACPI_MODULE_NAME("rsio") |
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/******************************************************************************* |
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* |
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* acpi_rs_convert_io |
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* |
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******************************************************************************/ |
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struct acpi_rsconvert_info acpi_rs_convert_io[5] = { |
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO, |
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ACPI_RS_SIZE(struct acpi_resource_io), |
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io)}, |
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO, |
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sizeof(struct aml_resource_io), |
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0}, |
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/* Decode flag */ |
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode), |
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AML_OFFSET(io.flags), |
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0}, |
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/* |
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* These fields are contiguous in both the source and destination: |
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* Address Alignment |
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* Length |
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* Minimum Base Address |
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* Maximum Base Address |
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*/ |
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{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.io.alignment), |
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AML_OFFSET(io.alignment), |
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2}, |
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{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.io.minimum), |
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AML_OFFSET(io.minimum), |
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2} |
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}; |
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/******************************************************************************* |
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* |
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* acpi_rs_convert_fixed_io |
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* |
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******************************************************************************/ |
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struct acpi_rsconvert_info acpi_rs_convert_fixed_io[4] = { |
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO, |
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ACPI_RS_SIZE(struct acpi_resource_fixed_io), |
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_io)}, |
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO, |
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sizeof(struct aml_resource_fixed_io), |
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0}, |
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/* |
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* These fields are contiguous in both the source and destination: |
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* Base Address |
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* Length |
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*/ |
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{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_io.address_length), |
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AML_OFFSET(fixed_io.address_length), |
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1}, |
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{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_io.address), |
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AML_OFFSET(fixed_io.address), |
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1} |
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}; |
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/******************************************************************************* |
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* |
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* acpi_rs_convert_generic_reg |
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* |
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******************************************************************************/ |
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struct acpi_rsconvert_info acpi_rs_convert_generic_reg[4] = { |
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER, |
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ACPI_RS_SIZE(struct acpi_resource_generic_register), |
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_generic_reg)}, |
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER, |
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sizeof(struct aml_resource_generic_register), |
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0}, |
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/* |
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* These fields are contiguous in both the source and destination: |
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* Address Space ID |
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* Register Bit Width |
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* Register Bit Offset |
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* Access Size |
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*/ |
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{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id), |
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AML_OFFSET(generic_reg.address_space_id), |
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4}, |
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/* Get the Register Address */ |
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{ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address), |
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AML_OFFSET(generic_reg.address), |
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1} |
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}; |
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/******************************************************************************* |
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* |
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* acpi_rs_convert_end_dpf |
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* |
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******************************************************************************/ |
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struct acpi_rsconvert_info acpi_rs_convert_end_dpf[2] = { |
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT, |
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ACPI_RS_SIZE_MIN, |
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_dpf)}, |
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT, |
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sizeof(struct aml_resource_end_dependent), |
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0} |
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}; |
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/******************************************************************************* |
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* |
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* acpi_rs_convert_end_tag |
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* |
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******************************************************************************/ |
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struct acpi_rsconvert_info acpi_rs_convert_end_tag[2] = { |
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG, |
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ACPI_RS_SIZE_MIN, |
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ACPI_RSC_TABLE_SIZE(acpi_rs_convert_end_tag)}, |
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/* |
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* Note: The checksum field is set to zero, meaning that the resource |
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* data is treated as if the checksum operation succeeded. |
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* (ACPI Spec 1.0b Section 6.4.2.8) |
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*/ |
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG, |
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sizeof(struct aml_resource_end_tag), |
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0} |
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}; |
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/******************************************************************************* |
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* |
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* acpi_rs_get_start_dpf |
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* |
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******************************************************************************/ |
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struct acpi_rsconvert_info acpi_rs_get_start_dpf[6] = { |
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT, |
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ACPI_RS_SIZE(struct acpi_resource_start_dependent), |
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ACPI_RSC_TABLE_SIZE(acpi_rs_get_start_dpf)}, |
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/* Defaults for Compatibility and Performance priorities */ |
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{ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), |
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ACPI_ACCEPTABLE_CONFIGURATION, |
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2}, |
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/* Get the descriptor length (0 or 1 for Start Dpf descriptor) */ |
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.start_dpf.descriptor_length), |
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AML_OFFSET(start_dpf.descriptor_type), |
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0}, |
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/* All done if there is no flag byte present in the descriptor */ |
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1}, |
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/* Flag byte is present, get the flags */ |
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{ACPI_RSC_2BITFLAG, |
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ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), |
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AML_OFFSET(start_dpf.flags), |
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0}, |
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{ACPI_RSC_2BITFLAG, |
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ACPI_RS_OFFSET(data.start_dpf.performance_robustness), |
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AML_OFFSET(start_dpf.flags), |
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2} |
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}; |
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/******************************************************************************* |
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* |
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* acpi_rs_set_start_dpf |
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* |
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******************************************************************************/ |
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struct acpi_rsconvert_info acpi_rs_set_start_dpf[10] = { |
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/* Start with a default descriptor of length 1 */ |
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT, |
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sizeof(struct aml_resource_start_dependent), |
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ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf)}, |
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/* Set the default flag values */ |
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{ACPI_RSC_2BITFLAG, |
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ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), |
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AML_OFFSET(start_dpf.flags), |
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0}, |
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{ACPI_RSC_2BITFLAG, |
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ACPI_RS_OFFSET(data.start_dpf.performance_robustness), |
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AML_OFFSET(start_dpf.flags), |
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2}, |
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/* |
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* All done if the output descriptor length is required to be 1 |
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* (i.e., optimization to 0 bytes cannot be attempted) |
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*/ |
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{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, |
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ACPI_RS_OFFSET(data.start_dpf.descriptor_length), |
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1}, |
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/* Set length to 0 bytes (no flags byte) */ |
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{ACPI_RSC_LENGTH, 0, 0, |
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sizeof(struct aml_resource_start_dependent_noprio)}, |
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/* |
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* All done if the output descriptor length is required to be 0. |
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* |
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* TBD: Perhaps we should check for error if input flags are not |
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* compatible with a 0-byte descriptor. |
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*/ |
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{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, |
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ACPI_RS_OFFSET(data.start_dpf.descriptor_length), |
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0}, |
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/* Reset length to 1 byte (descriptor with flags byte) */ |
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{ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_start_dependent)}, |
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/* |
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* All done if flags byte is necessary -- if either priority value |
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* is not ACPI_ACCEPTABLE_CONFIGURATION |
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*/ |
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
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ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), |
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ACPI_ACCEPTABLE_CONFIGURATION}, |
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
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ACPI_RS_OFFSET(data.start_dpf.performance_robustness), |
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ACPI_ACCEPTABLE_CONFIGURATION}, |
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/* Flag byte is not necessary */ |
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{ACPI_RSC_LENGTH, 0, 0, |
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sizeof(struct aml_resource_start_dependent_noprio)} |
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};
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