| /******************************************************************************* |
| * |
| * Module Name: rsio - IO and DMA resource descriptors |
| * |
| ******************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2016, 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 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.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)} |
| }; |
