/******************************************************************************* * * Module Name: rsio - IO and DMA resource descriptors * ******************************************************************************/ /* * Copyright (C) 2000 - 2023, Intel Corp. * 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 MERCHANTABILITY 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.h" #include "accommon.h" #include "acresrc.h" #define _COMPONENT ACPI_RESOURCES ACPI_MODULE_NAME ("rsio") /******************************************************************************* * * AcpiRsConvertIo * ******************************************************************************/ ACPI_RSCONVERT_INFO AcpiRsConvertIo[5] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO, ACPI_RS_SIZE (ACPI_RESOURCE_IO), ACPI_RSC_TABLE_SIZE (AcpiRsConvertIo)}, {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO, sizeof (AML_RESOURCE_IO), 0}, /* Decode flag */ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Io.IoDecode), 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} }; /******************************************************************************* * * AcpiRsConvertFixedIo * ******************************************************************************/ ACPI_RSCONVERT_INFO AcpiRsConvertFixedIo[4] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO, ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO), ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedIo)}, {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO, sizeof (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.FixedIo.AddressLength), AML_OFFSET (FixedIo.AddressLength), 1}, {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedIo.Address), AML_OFFSET (FixedIo.Address), 1} }; /******************************************************************************* * * AcpiRsConvertGenericReg * ******************************************************************************/ ACPI_RSCONVERT_INFO AcpiRsConvertGenericReg[4] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER, ACPI_RS_SIZE (ACPI_RESOURCE_GENERIC_REGISTER), ACPI_RSC_TABLE_SIZE (AcpiRsConvertGenericReg)}, {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER, sizeof (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.GenericReg.SpaceId), AML_OFFSET (GenericReg.AddressSpaceId), 4}, /* Get the Register Address */ {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.GenericReg.Address), AML_OFFSET (GenericReg.Address), 1} }; /******************************************************************************* * * AcpiRsConvertEndDpf * ******************************************************************************/ ACPI_RSCONVERT_INFO AcpiRsConvertEndDpf[2] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT, ACPI_RS_SIZE_MIN, ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndDpf)}, {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT, sizeof (AML_RESOURCE_END_DEPENDENT), 0} }; /******************************************************************************* * * AcpiRsConvertEndTag * ******************************************************************************/ ACPI_RSCONVERT_INFO AcpiRsConvertEndTag[2] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG, ACPI_RS_SIZE_MIN, ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndTag)}, /* * 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 (AML_RESOURCE_END_TAG), 0} }; /******************************************************************************* * * AcpiRsGetStartDpf * ******************************************************************************/ ACPI_RSCONVERT_INFO AcpiRsGetStartDpf[6] = { {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT, ACPI_RS_SIZE (ACPI_RESOURCE_START_DEPENDENT), ACPI_RSC_TABLE_SIZE (AcpiRsGetStartDpf)}, /* Defaults for Compatibility and Performance priorities */ {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), ACPI_ACCEPTABLE_CONFIGURATION, 2}, /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.DescriptorLength), AML_OFFSET (StartDpf.DescriptorType), 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.StartDpf.CompatibilityPriority), AML_OFFSET (StartDpf.Flags), 0}, {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), AML_OFFSET (StartDpf.Flags), 2} }; /******************************************************************************* * * AcpiRsSetStartDpf * ******************************************************************************/ ACPI_RSCONVERT_INFO AcpiRsSetStartDpf[10] = { /* Start with a default descriptor of length 1 */ {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT, sizeof (AML_RESOURCE_START_DEPENDENT), ACPI_RSC_TABLE_SIZE (AcpiRsSetStartDpf)}, /* Set the default flag values */ {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), AML_OFFSET (StartDpf.Flags), 0}, {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), AML_OFFSET (StartDpf.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.StartDpf.DescriptorLength), 1}, /* Set length to 0 bytes (no flags byte) */ {ACPI_RSC_LENGTH, 0, 0, sizeof (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.StartDpf.DescriptorLength), 0}, /* Reset length to 1 byte (descriptor with flags byte) */ {ACPI_RSC_LENGTH, 0, 0, sizeof (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.StartDpf.CompatibilityPriority), ACPI_ACCEPTABLE_CONFIGURATION}, {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), ACPI_ACCEPTABLE_CONFIGURATION}, /* Flag byte is not necessary */ {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)} };