diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/resources/rsio.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/resources/rsio.c | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/resources/rsio.c b/sys/contrib/dev/acpica/components/resources/rsio.c new file mode 100644 index 0000000..71d03c0 --- /dev/null +++ b/sys/contrib/dev/acpica/components/resources/rsio.c @@ -0,0 +1,304 @@ +/******************************************************************************* + * + * Module Name: rsio - IO and DMA resource descriptors + * + ******************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, 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. + */ + +#define __RSIO_C__ + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/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)} +}; + + |
