291 lines
9.0 KiB
C
291 lines
9.0 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: rsio - IO and DMA resource descriptors
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2017, 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)}
|
|
};
|