mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-16 01:04:08 +08:00
9585763888
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
347 lines
10 KiB
C
347 lines
10 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
|
|
/*******************************************************************************
|
|
*
|
|
* Module Name: rsaddr - Address resource descriptors (16/32/64)
|
|
*
|
|
******************************************************************************/
|
|
|
|
#include <acpi/acpi.h>
|
|
#include "accommon.h"
|
|
#include "acresrc.h"
|
|
|
|
#define _COMPONENT ACPI_RESOURCES
|
|
ACPI_MODULE_NAME("rsaddr")
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_address16 - All WORD (16-bit) address resources
|
|
*
|
|
******************************************************************************/
|
|
struct acpi_rsconvert_info acpi_rs_convert_address16[5] = {
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS16,
|
|
ACPI_RS_SIZE(struct acpi_resource_address16),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address16)},
|
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS16,
|
|
sizeof(struct aml_resource_address16),
|
|
0},
|
|
|
|
/* Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
{ACPI_RSC_ADDRESS, 0, 0, 0},
|
|
|
|
/*
|
|
* These fields are contiguous in both the source and destination:
|
|
* Address Granularity
|
|
* Address Range Minimum
|
|
* Address Range Maximum
|
|
* Address Translation Offset
|
|
* Address Length
|
|
*/
|
|
{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.address16.address.granularity),
|
|
AML_OFFSET(address16.granularity),
|
|
5},
|
|
|
|
/* Optional resource_source (Index and String) */
|
|
|
|
{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address16.resource_source),
|
|
0,
|
|
sizeof(struct aml_resource_address16)}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_address32 - All DWORD (32-bit) address resources
|
|
*
|
|
******************************************************************************/
|
|
|
|
struct acpi_rsconvert_info acpi_rs_convert_address32[5] = {
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS32,
|
|
ACPI_RS_SIZE(struct acpi_resource_address32),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address32)},
|
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS32,
|
|
sizeof(struct aml_resource_address32),
|
|
0},
|
|
|
|
/* Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
{ACPI_RSC_ADDRESS, 0, 0, 0},
|
|
|
|
/*
|
|
* These fields are contiguous in both the source and destination:
|
|
* Address Granularity
|
|
* Address Range Minimum
|
|
* Address Range Maximum
|
|
* Address Translation Offset
|
|
* Address Length
|
|
*/
|
|
{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.address32.address.granularity),
|
|
AML_OFFSET(address32.granularity),
|
|
5},
|
|
|
|
/* Optional resource_source (Index and String) */
|
|
|
|
{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address32.resource_source),
|
|
0,
|
|
sizeof(struct aml_resource_address32)}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_address64 - All QWORD (64-bit) address resources
|
|
*
|
|
******************************************************************************/
|
|
|
|
struct acpi_rsconvert_info acpi_rs_convert_address64[5] = {
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_ADDRESS64,
|
|
ACPI_RS_SIZE(struct acpi_resource_address64),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_address64)},
|
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_ADDRESS64,
|
|
sizeof(struct aml_resource_address64),
|
|
0},
|
|
|
|
/* Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
{ACPI_RSC_ADDRESS, 0, 0, 0},
|
|
|
|
/*
|
|
* These fields are contiguous in both the source and destination:
|
|
* Address Granularity
|
|
* Address Range Minimum
|
|
* Address Range Maximum
|
|
* Address Translation Offset
|
|
* Address Length
|
|
*/
|
|
{ACPI_RSC_MOVE64, ACPI_RS_OFFSET(data.address64.address.granularity),
|
|
AML_OFFSET(address64.granularity),
|
|
5},
|
|
|
|
/* Optional resource_source (Index and String) */
|
|
|
|
{ACPI_RSC_SOURCE, ACPI_RS_OFFSET(data.address64.resource_source),
|
|
0,
|
|
sizeof(struct aml_resource_address64)}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_ext_address64 - All Extended (64-bit) address resources
|
|
*
|
|
******************************************************************************/
|
|
|
|
struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = {
|
|
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64,
|
|
ACPI_RS_SIZE(struct acpi_resource_extended_address64),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_address64)},
|
|
|
|
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64,
|
|
sizeof(struct aml_resource_extended_address64),
|
|
0},
|
|
|
|
/* Resource Type, General Flags, and Type-Specific Flags */
|
|
|
|
{ACPI_RSC_ADDRESS, 0, 0, 0},
|
|
|
|
/* Revision ID */
|
|
|
|
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_ID),
|
|
AML_OFFSET(ext_address64.revision_ID),
|
|
1},
|
|
/*
|
|
* These fields are contiguous in both the source and destination:
|
|
* Address Granularity
|
|
* Address Range Minimum
|
|
* Address Range Maximum
|
|
* Address Translation Offset
|
|
* Address Length
|
|
* Type-Specific Attribute
|
|
*/
|
|
{ACPI_RSC_MOVE64,
|
|
ACPI_RS_OFFSET(data.ext_address64.address.granularity),
|
|
AML_OFFSET(ext_address64.granularity),
|
|
6}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_general_flags - Flags common to all address descriptors
|
|
*
|
|
******************************************************************************/
|
|
|
|
static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = {
|
|
{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.flags),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_general_flags)},
|
|
|
|
/* Resource Type (Memory, Io, bus_number, etc.) */
|
|
|
|
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.address.resource_type),
|
|
AML_OFFSET(address.resource_type),
|
|
1},
|
|
|
|
/* General flags - Consume, Decode, min_fixed, max_fixed */
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer),
|
|
AML_OFFSET(address.flags),
|
|
0},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.decode),
|
|
AML_OFFSET(address.flags),
|
|
1},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.min_address_fixed),
|
|
AML_OFFSET(address.flags),
|
|
2},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.max_address_fixed),
|
|
AML_OFFSET(address.flags),
|
|
3}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_mem_flags - Flags common to Memory address descriptors
|
|
*
|
|
******************************************************************************/
|
|
|
|
static struct acpi_rsconvert_info acpi_rs_convert_mem_flags[5] = {
|
|
{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_mem_flags)},
|
|
|
|
/* Memory-specific flags */
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.write_protect),
|
|
AML_OFFSET(address.specific_flags),
|
|
0},
|
|
|
|
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.caching),
|
|
AML_OFFSET(address.specific_flags),
|
|
1},
|
|
|
|
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.range_type),
|
|
AML_OFFSET(address.specific_flags),
|
|
3},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.mem.translation),
|
|
AML_OFFSET(address.specific_flags),
|
|
5}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* acpi_rs_convert_io_flags - Flags common to I/O address descriptors
|
|
*
|
|
******************************************************************************/
|
|
|
|
static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = {
|
|
{ACPI_RSC_FLAGINIT, 0, AML_OFFSET(address.specific_flags),
|
|
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_io_flags)},
|
|
|
|
/* I/O-specific flags */
|
|
|
|
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.address.info.io.range_type),
|
|
AML_OFFSET(address.specific_flags),
|
|
0},
|
|
|
|
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.info.io.translation),
|
|
AML_OFFSET(address.specific_flags),
|
|
4},
|
|
|
|
{ACPI_RSC_1BITFLAG,
|
|
ACPI_RS_OFFSET(data.address.info.io.translation_type),
|
|
AML_OFFSET(address.specific_flags),
|
|
5}
|
|
};
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_get_address_common
|
|
*
|
|
* PARAMETERS: resource - Pointer to the internal resource struct
|
|
* aml - Pointer to the AML resource descriptor
|
|
*
|
|
* RETURN: TRUE if the resource_type field is OK, FALSE otherwise
|
|
*
|
|
* DESCRIPTION: Convert common flag fields from a raw AML resource descriptor
|
|
* to an internal resource descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
u8
|
|
acpi_rs_get_address_common(struct acpi_resource *resource,
|
|
union aml_resource *aml)
|
|
{
|
|
ACPI_FUNCTION_ENTRY();
|
|
|
|
/* Validate the Resource Type */
|
|
|
|
if ((aml->address.resource_type > 2) &&
|
|
(aml->address.resource_type < 0xC0)) {
|
|
return (FALSE);
|
|
}
|
|
|
|
/* Get the Resource Type and General Flags */
|
|
|
|
(void)acpi_rs_convert_aml_to_resource(resource, aml,
|
|
acpi_rs_convert_general_flags);
|
|
|
|
/* Get the Type-Specific Flags (Memory and I/O descriptors only) */
|
|
|
|
if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
|
|
(void)acpi_rs_convert_aml_to_resource(resource, aml,
|
|
acpi_rs_convert_mem_flags);
|
|
} else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
|
|
(void)acpi_rs_convert_aml_to_resource(resource, aml,
|
|
acpi_rs_convert_io_flags);
|
|
} else {
|
|
/* Generic resource type, just grab the type_specific byte */
|
|
|
|
resource->data.address.info.type_specific =
|
|
aml->address.specific_flags;
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_rs_set_address_common
|
|
*
|
|
* PARAMETERS: aml - Pointer to the AML resource descriptor
|
|
* resource - Pointer to the internal resource struct
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Convert common flag fields from a resource descriptor to an
|
|
* AML descriptor
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
acpi_rs_set_address_common(union aml_resource *aml,
|
|
struct acpi_resource *resource)
|
|
{
|
|
ACPI_FUNCTION_ENTRY();
|
|
|
|
/* Set the Resource Type and General Flags */
|
|
|
|
(void)acpi_rs_convert_resource_to_aml(resource, aml,
|
|
acpi_rs_convert_general_flags);
|
|
|
|
/* Set the Type-Specific Flags (Memory and I/O descriptors only) */
|
|
|
|
if (resource->data.address.resource_type == ACPI_MEMORY_RANGE) {
|
|
(void)acpi_rs_convert_resource_to_aml(resource, aml,
|
|
acpi_rs_convert_mem_flags);
|
|
} else if (resource->data.address.resource_type == ACPI_IO_RANGE) {
|
|
(void)acpi_rs_convert_resource_to_aml(resource, aml,
|
|
acpi_rs_convert_io_flags);
|
|
} else {
|
|
/* Generic resource type, just copy the type_specific byte */
|
|
|
|
aml->address.specific_flags =
|
|
resource->data.address.info.type_specific;
|
|
}
|
|
}
|