// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /******************************************************************************* * * Module Name: rsio - IO and DMA resource descriptors * ******************************************************************************/ #include #include "accommon.h" #include "acresrc.h" #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME("rsio") /******************************************************************************* * * 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_RSC_INITSET, ACPI_RESOURCE_NAME_IO, sizeof(struct aml_resource_io), 0 }, /* Decode flag */ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.io.io_decode), AML_OFFSET(io.flags), 0 }, /* * These fields are contiguous in both the source and destination: * Address Alignment * Length * Minimum Base Address * Maximum Base Address */ { 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 } }; /******************************************************************************* * * acpi_rs_convert_fixed_io * ******************************************************************************/ 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 }, /* * These fields are contiguous in both the source and destination: * Base Address * Length */ { 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 } }; /******************************************************************************* * * acpi_rs_convert_generic_reg * ******************************************************************************/ 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 }, /* * These fields are contiguous in both the source and destination: * Address Space ID * Register Bit Width * Register Bit Offset * Access Size */ { ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.generic_reg.space_id), AML_OFFSET(generic_reg.address_space_id), 4 }, /* Get the Register Address */ { ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.generic_reg.address), AML_OFFSET(generic_reg.address), 1 } }; /******************************************************************************* * * acpi_rs_convert_end_dpf * ******************************************************************************/ 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 } }; /******************************************************************************* * * acpi_rs_convert_end_tag * ******************************************************************************/ 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) }, /* * 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) */ { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG, sizeof(struct aml_resource_end_tag), 0 } }; /******************************************************************************* * * acpi_rs_get_start_dpf * ******************************************************************************/ struct acpi_rsconvert_info acpi_rs_get_start_dpf[6] = { { 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) }, /* Defaults for Compatibility and Performance priorities */ { ACPI_RSC_SET8, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), ACPI_ACCEPTABLE_CONFIGURATION, 2 }, /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */ { ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.start_dpf.descriptor_length), AML_OFFSET(start_dpf.descriptor_type), 0 }, /* All done if there is no flag byte present in the descriptor */ { ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1 }, /* Flag byte is present, get the flags */ { 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 } }; /******************************************************************************* * * acpi_rs_set_start_dpf * ******************************************************************************/ struct acpi_rsconvert_info acpi_rs_set_start_dpf[10] = { /* Start with a default descriptor of length 1 */ { ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT, sizeof(struct aml_resource_start_dependent), ACPI_RSC_TABLE_SIZE(acpi_rs_set_start_dpf) }, /* 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 }, /* * All done if the output descriptor length is required to be 1 * (i.e., optimization to 0 bytes cannot be attempted) */ { ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.start_dpf.descriptor_length), 1 }, /* Set length to 0 bytes (no flags byte) */ { ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_start_dependent_noprio) }, /* * All done if the output descriptor length is required to be 0. * * TBD: Perhaps we should check for error if input flags are not * compatible with a 0-byte descriptor. */ { ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.start_dpf.descriptor_length), 0 }, /* Reset length to 1 byte (descriptor with flags byte) */ { ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_start_dependent) }, /* * All done if flags byte is necessary -- if either priority value * is not ACPI_ACCEPTABLE_CONFIGURATION */ { ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.start_dpf.compatibility_priority), ACPI_ACCEPTABLE_CONFIGURATION }, { ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET(data.start_dpf.performance_robustness), ACPI_ACCEPTABLE_CONFIGURATION }, /* Flag byte is not necessary */ { ACPI_RSC_LENGTH, 0, 0, sizeof(struct aml_resource_start_dependent_noprio) } };