0,0 → 1,290 |
/******************************************************************************* |
* |
* Module Name: rsio - IO and DMA resource descriptors |
* |
******************************************************************************/ |
|
/* |
* Copyright (C) 2000 - 2015, 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/acpi.h> |
#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)} |
}; |