// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/*******************************************************************************
*
* Module Name: rsio - IO and DMA resource descriptors
*
******************************************************************************/
#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)}
};
