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376b0fb3ad
ACPICA commit bfdd3446e7caf795c85c70326c137023942972c5 Similar to "Replace one-element array with flexible-array", replace the 1-element array with a proper flexible array member as defined by C99. This allows the code to operate without tripping compile-time and run- time bounds checkers (e.g. via __builtin_object_size(), -fsanitize=bounds, and/or -fstrict-flex-arrays=3). Note that the spec requires there be at least one interrupt, so use a union to keep space allocated for this. The only binary change in .text and .data sections is some rearrangement by the compiler of acpi_dm_address_common(), but appears to be harmless. Link: https://github.com/acpica/acpica/commit/bfdd3446 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
594 lines
17 KiB
C
594 lines
17 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
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/******************************************************************************
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*
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* Module Name: amlresrc.h - AML resource descriptors
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*
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* Copyright (C) 2000 - 2023, Intel Corp.
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*
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*****************************************************************************/
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/* acpisrc:struct_defs -- for acpisrc conversion */
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#ifndef __AMLRESRC_H
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#define __AMLRESRC_H
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/*
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* Resource descriptor tags, as defined in the ACPI specification.
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* Used to symbolically reference fields within a descriptor.
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*/
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#define ACPI_RESTAG_ADDRESS "_ADR"
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#define ACPI_RESTAG_ALIGNMENT "_ALN"
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#define ACPI_RESTAG_ADDRESSSPACE "_ASI"
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#define ACPI_RESTAG_ACCESSSIZE "_ASZ"
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#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
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#define ACPI_RESTAG_BASEADDRESS "_BAS"
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#define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
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#define ACPI_RESTAG_DEBOUNCETIME "_DBT"
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#define ACPI_RESTAG_DECODE "_DEC"
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#define ACPI_RESTAG_DEVICEPOLARITY "_DPL"
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#define ACPI_RESTAG_DMA "_DMA"
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#define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
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#define ACPI_RESTAG_DRIVESTRENGTH "_DRS"
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#define ACPI_RESTAG_ENDIANNESS "_END"
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#define ACPI_RESTAG_FLOWCONTROL "_FLC"
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#define ACPI_RESTAG_FUNCTION "_FUN"
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#define ACPI_RESTAG_GRANULARITY "_GRA"
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#define ACPI_RESTAG_INTERRUPT "_INT"
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#define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
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#define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
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#define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
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#define ACPI_RESTAG_IORESTRICTION "_IOR"
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#define ACPI_RESTAG_LENGTH "_LEN"
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#define ACPI_RESTAG_LINE "_LIN"
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#define ACPI_RESTAG_LOCALPORT "_PRT"
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#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
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#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
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#define ACPI_RESTAG_MAXADDR "_MAX"
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#define ACPI_RESTAG_MINADDR "_MIN"
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#define ACPI_RESTAG_MAXTYPE "_MAF"
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#define ACPI_RESTAG_MINTYPE "_MIF"
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#define ACPI_RESTAG_MODE "_MOD"
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#define ACPI_RESTAG_PARITY "_PAR"
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#define ACPI_RESTAG_PHASE "_PHA"
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#define ACPI_RESTAG_PHYTYPE "_PHY"
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#define ACPI_RESTAG_PIN "_PIN"
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#define ACPI_RESTAG_PINCONFIG "_PPI"
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#define ACPI_RESTAG_PINCONFIG_TYPE "_TYP"
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#define ACPI_RESTAG_PINCONFIG_VALUE "_VAL"
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#define ACPI_RESTAG_POLARITY "_POL"
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#define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
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#define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
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#define ACPI_RESTAG_RANGETYPE "_RNG"
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#define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
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#define ACPI_RESTAG_LENGTH_RX "_RXL"
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#define ACPI_RESTAG_LENGTH_TX "_TXL"
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#define ACPI_RESTAG_SLAVEMODE "_SLV"
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#define ACPI_RESTAG_SPEED "_SPE"
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#define ACPI_RESTAG_STOPBITS "_STB"
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#define ACPI_RESTAG_TRANSLATION "_TRA"
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#define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
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#define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
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#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8And16(1), 16(2) */
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#define ACPI_RESTAG_VENDORDATA "_VEN"
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#define ACPI_RESTAG_FQN "_FQN"
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#define ACPI_RESTAG_FQD "_FQD"
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/* Default sizes for "small" resource descriptors */
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#define ASL_RDESC_IRQ_SIZE 0x02
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#define ASL_RDESC_DMA_SIZE 0x02
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#define ASL_RDESC_ST_DEPEND_SIZE 0x00
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#define ASL_RDESC_END_DEPEND_SIZE 0x00
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#define ASL_RDESC_IO_SIZE 0x07
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#define ASL_RDESC_FIXED_IO_SIZE 0x03
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#define ASL_RDESC_FIXED_DMA_SIZE 0x05
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#define ASL_RDESC_END_TAG_SIZE 0x01
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struct asl_resource_node {
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u32 buffer_length;
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void *buffer;
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struct asl_resource_node *next;
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};
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struct asl_resource_info {
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union acpi_parse_object *descriptor_type_op; /* Resource descriptor parse node */
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union acpi_parse_object *mapping_op; /* Used for mapfile support */
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u32 current_byte_offset; /* Offset in resource template */
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};
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/* Macros used to generate AML resource length fields */
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#define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
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#define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
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/*
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* Resource descriptors defined in the ACPI specification.
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*
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* Packing/alignment must be BYTE because these descriptors
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* are used to overlay the raw AML byte stream.
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*/
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#pragma pack(1)
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/*
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* SMALL descriptors
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*/
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#define AML_RESOURCE_SMALL_HEADER_COMMON \
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u8 descriptor_type;
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struct aml_resource_small_header {
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AML_RESOURCE_SMALL_HEADER_COMMON};
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struct aml_resource_irq {
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AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
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u8 flags;
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};
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struct aml_resource_irq_noflags {
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AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
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};
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struct aml_resource_dma {
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AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
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u8 flags;
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};
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struct aml_resource_start_dependent {
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AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
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};
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struct aml_resource_start_dependent_noprio {
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AML_RESOURCE_SMALL_HEADER_COMMON};
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struct aml_resource_end_dependent {
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AML_RESOURCE_SMALL_HEADER_COMMON};
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struct aml_resource_io {
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AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
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u16 minimum;
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u16 maximum;
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u8 alignment;
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u8 address_length;
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};
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struct aml_resource_fixed_io {
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AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
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u8 address_length;
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};
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struct aml_resource_vendor_small {
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AML_RESOURCE_SMALL_HEADER_COMMON};
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struct aml_resource_end_tag {
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AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
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};
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struct aml_resource_fixed_dma {
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AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
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u16 channels;
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u8 width;
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};
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/*
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* LARGE descriptors
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*/
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#define AML_RESOURCE_LARGE_HEADER_COMMON \
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u8 descriptor_type;\
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u16 resource_length;
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struct aml_resource_large_header {
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AML_RESOURCE_LARGE_HEADER_COMMON};
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/* General Flags for address space resource descriptors */
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#define ACPI_RESOURCE_FLAG_DEC 2
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#define ACPI_RESOURCE_FLAG_MIF 4
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#define ACPI_RESOURCE_FLAG_MAF 8
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struct aml_resource_memory24 {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
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u16 minimum;
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u16 maximum;
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u16 alignment;
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u16 address_length;
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};
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struct aml_resource_vendor_large {
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AML_RESOURCE_LARGE_HEADER_COMMON};
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struct aml_resource_memory32 {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
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u32 minimum;
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u32 maximum;
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u32 alignment;
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u32 address_length;
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};
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struct aml_resource_fixed_memory32 {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
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u32 address;
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u32 address_length;
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};
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#define AML_RESOURCE_ADDRESS_COMMON \
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u8 resource_type; \
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u8 flags; \
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u8 specific_flags;
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struct aml_resource_address {
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AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
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struct aml_resource_extended_address64 {
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AML_RESOURCE_LARGE_HEADER_COMMON
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AML_RESOURCE_ADDRESS_COMMON u8 revision_ID;
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u8 reserved;
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u64 granularity;
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u64 minimum;
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u64 maximum;
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u64 translation_offset;
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u64 address_length;
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u64 type_specific;
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};
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#define AML_RESOURCE_EXTENDED_ADDRESS_REVISION 1 /* ACPI 3.0 */
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struct aml_resource_address64 {
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AML_RESOURCE_LARGE_HEADER_COMMON
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AML_RESOURCE_ADDRESS_COMMON u64 granularity;
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u64 minimum;
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u64 maximum;
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u64 translation_offset;
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u64 address_length;
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};
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struct aml_resource_address32 {
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AML_RESOURCE_LARGE_HEADER_COMMON
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AML_RESOURCE_ADDRESS_COMMON u32 granularity;
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u32 minimum;
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u32 maximum;
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u32 translation_offset;
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u32 address_length;
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};
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struct aml_resource_address16 {
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AML_RESOURCE_LARGE_HEADER_COMMON
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AML_RESOURCE_ADDRESS_COMMON u16 granularity;
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u16 minimum;
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u16 maximum;
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u16 translation_offset;
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u16 address_length;
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};
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struct aml_resource_extended_irq {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
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u8 interrupt_count;
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union {
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u32 interrupt;
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ACPI_FLEX_ARRAY(u32, interrupts);
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};
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/* res_source_index, res_source optional fields follow */
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};
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struct aml_resource_generic_register {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
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u8 bit_width;
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u8 bit_offset;
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u8 access_size; /* ACPI 3.0, was previously Reserved */
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u64 address;
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};
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/* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
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struct aml_resource_gpio {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
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u8 connection_type;
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u16 flags;
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u16 int_flags;
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u8 pin_config;
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u16 drive_strength;
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u16 debounce_timeout;
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u16 pin_table_offset;
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u8 res_source_index;
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u16 res_source_offset;
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u16 vendor_offset;
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u16 vendor_length;
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/*
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* Optional fields follow immediately:
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* 1) PIN list (Words)
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* 2) Resource Source String
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* 3) Vendor Data bytes
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*/
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};
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#define AML_RESOURCE_GPIO_REVISION 1 /* ACPI 5.0 */
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/* Values for connection_type above */
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#define AML_RESOURCE_GPIO_TYPE_INT 0
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#define AML_RESOURCE_GPIO_TYPE_IO 1
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#define AML_RESOURCE_MAX_GPIOTYPE 1
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/* Common preamble for all serial descriptors (ACPI 5.0) */
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#define AML_RESOURCE_SERIAL_COMMON \
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u8 revision_id; \
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u8 res_source_index; \
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u8 type; \
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u8 flags; \
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u16 type_specific_flags; \
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u8 type_revision_id; \
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u16 type_data_length; \
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/* Values for the type field above */
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#define AML_RESOURCE_I2C_SERIALBUSTYPE 1
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#define AML_RESOURCE_SPI_SERIALBUSTYPE 2
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#define AML_RESOURCE_UART_SERIALBUSTYPE 3
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#define AML_RESOURCE_CSI2_SERIALBUSTYPE 4
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#define AML_RESOURCE_MAX_SERIALBUSTYPE 4
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#define AML_RESOURCE_VENDOR_SERIALBUSTYPE 192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
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struct aml_resource_common_serialbus {
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AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
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struct aml_resource_csi2_serialbus {
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AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON
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/*
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* Optional fields follow immediately:
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* 1) Vendor Data bytes
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* 2) Resource Source String
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*/
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};
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#define AML_RESOURCE_CSI2_REVISION 1 /* ACPI 6.4 */
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#define AML_RESOURCE_CSI2_TYPE_REVISION 1 /* ACPI 6.4 */
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#define AML_RESOURCE_CSI2_MIN_DATA_LEN 0 /* ACPI 6.4 */
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struct aml_resource_i2c_serialbus {
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AML_RESOURCE_LARGE_HEADER_COMMON
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AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
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u16 slave_address;
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/*
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* Optional fields follow immediately:
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* 1) Vendor Data bytes
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* 2) Resource Source String
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*/
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};
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#define AML_RESOURCE_I2C_REVISION 1 /* ACPI 5.0 */
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#define AML_RESOURCE_I2C_TYPE_REVISION 1 /* ACPI 5.0 */
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#define AML_RESOURCE_I2C_MIN_DATA_LEN 6
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struct aml_resource_spi_serialbus {
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AML_RESOURCE_LARGE_HEADER_COMMON
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AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
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u8 data_bit_length;
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u8 clock_phase;
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u8 clock_polarity;
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u16 device_selection;
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/*
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* Optional fields follow immediately:
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* 1) Vendor Data bytes
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* 2) Resource Source String
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*/
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};
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#define AML_RESOURCE_SPI_REVISION 1 /* ACPI 5.0 */
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#define AML_RESOURCE_SPI_TYPE_REVISION 1 /* ACPI 5.0 */
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#define AML_RESOURCE_SPI_MIN_DATA_LEN 9
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struct aml_resource_uart_serialbus {
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AML_RESOURCE_LARGE_HEADER_COMMON
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AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
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u16 rx_fifo_size;
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u16 tx_fifo_size;
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u8 parity;
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u8 lines_enabled;
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/*
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* Optional fields follow immediately:
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* 1) Vendor Data bytes
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* 2) Resource Source String
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*/
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};
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#define AML_RESOURCE_UART_REVISION 1 /* ACPI 5.0 */
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#define AML_RESOURCE_UART_TYPE_REVISION 1 /* ACPI 5.0 */
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#define AML_RESOURCE_UART_MIN_DATA_LEN 10
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struct aml_resource_pin_function {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
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u16 flags;
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u8 pin_config;
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u16 function_number;
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u16 pin_table_offset;
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u8 res_source_index;
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u16 res_source_offset;
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u16 vendor_offset;
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u16 vendor_length;
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/*
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* Optional fields follow immediately:
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* 1) PIN list (Words)
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* 2) Resource Source String
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* 3) Vendor Data bytes
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*/
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};
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#define AML_RESOURCE_PIN_FUNCTION_REVISION 1 /* ACPI 6.2 */
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struct aml_resource_pin_config {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
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u16 flags;
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u8 pin_config_type;
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u32 pin_config_value;
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u16 pin_table_offset;
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u8 res_source_index;
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u16 res_source_offset;
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u16 vendor_offset;
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u16 vendor_length;
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/*
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* Optional fields follow immediately:
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* 1) PIN list (Words)
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* 2) Resource Source String
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* 3) Vendor Data bytes
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*/
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};
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#define AML_RESOURCE_CLOCK_INPUT_REVISION 1 /* ACPI 6.5 */
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struct aml_resource_clock_input {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
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u16 flags;
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u16 frequency_divisor;
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u32 frequency_numerator;
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/*
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* Optional fields follow immediately:
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* 1) Resource Source index
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* 2) Resource Source String
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*/
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};
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#define AML_RESOURCE_PIN_CONFIG_REVISION 1 /* ACPI 6.2 */
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struct aml_resource_pin_group {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
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u16 flags;
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u16 pin_table_offset;
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u16 label_offset;
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u16 vendor_offset;
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u16 vendor_length;
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/*
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* Optional fields follow immediately:
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* 1) PIN list (Words)
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* 2) Resource Label String
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* 3) Vendor Data bytes
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*/
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};
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#define AML_RESOURCE_PIN_GROUP_REVISION 1 /* ACPI 6.2 */
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struct aml_resource_pin_group_function {
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AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
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u16 flags;
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u16 function_number;
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u8 res_source_index;
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u16 res_source_offset;
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u16 res_source_label_offset;
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u16 vendor_offset;
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u16 vendor_length;
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/*
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* Optional fields follow immediately:
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* 1) Resource Source String
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* 2) Resource Source Label String
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* 3) Vendor Data bytes
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*/
|
|
};
|
|
|
|
#define AML_RESOURCE_PIN_GROUP_FUNCTION_REVISION 1 /* ACPI 6.2 */
|
|
|
|
struct aml_resource_pin_group_config {
|
|
AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
|
|
u16 flags;
|
|
u8 pin_config_type;
|
|
u32 pin_config_value;
|
|
u8 res_source_index;
|
|
u16 res_source_offset;
|
|
u16 res_source_label_offset;
|
|
u16 vendor_offset;
|
|
u16 vendor_length;
|
|
/*
|
|
* Optional fields follow immediately:
|
|
* 1) Resource Source String
|
|
* 2) Resource Source Label String
|
|
* 3) Vendor Data bytes
|
|
*/
|
|
};
|
|
|
|
#define AML_RESOURCE_PIN_GROUP_CONFIG_REVISION 1 /* ACPI 6.2 */
|
|
|
|
/* restore default alignment */
|
|
|
|
#pragma pack()
|
|
|
|
/* Union of all resource descriptors, so we can allocate the worst case */
|
|
|
|
union aml_resource {
|
|
/* Descriptor headers */
|
|
|
|
u8 descriptor_type;
|
|
struct aml_resource_small_header small_header;
|
|
struct aml_resource_large_header large_header;
|
|
|
|
/* Small resource descriptors */
|
|
|
|
struct aml_resource_irq irq;
|
|
struct aml_resource_dma dma;
|
|
struct aml_resource_start_dependent start_dpf;
|
|
struct aml_resource_end_dependent end_dpf;
|
|
struct aml_resource_io io;
|
|
struct aml_resource_fixed_io fixed_io;
|
|
struct aml_resource_fixed_dma fixed_dma;
|
|
struct aml_resource_vendor_small vendor_small;
|
|
struct aml_resource_end_tag end_tag;
|
|
|
|
/* Large resource descriptors */
|
|
|
|
struct aml_resource_memory24 memory24;
|
|
struct aml_resource_generic_register generic_reg;
|
|
struct aml_resource_vendor_large vendor_large;
|
|
struct aml_resource_memory32 memory32;
|
|
struct aml_resource_fixed_memory32 fixed_memory32;
|
|
struct aml_resource_address16 address16;
|
|
struct aml_resource_address32 address32;
|
|
struct aml_resource_address64 address64;
|
|
struct aml_resource_extended_address64 ext_address64;
|
|
struct aml_resource_extended_irq extended_irq;
|
|
struct aml_resource_gpio gpio;
|
|
struct aml_resource_i2c_serialbus i2c_serial_bus;
|
|
struct aml_resource_spi_serialbus spi_serial_bus;
|
|
struct aml_resource_uart_serialbus uart_serial_bus;
|
|
struct aml_resource_csi2_serialbus csi2_serial_bus;
|
|
struct aml_resource_common_serialbus common_serial_bus;
|
|
struct aml_resource_pin_function pin_function;
|
|
struct aml_resource_pin_config pin_config;
|
|
struct aml_resource_pin_group pin_group;
|
|
struct aml_resource_pin_group_function pin_group_function;
|
|
struct aml_resource_pin_group_config pin_group_config;
|
|
struct aml_resource_clock_input clock_input;
|
|
|
|
/* Utility overlays */
|
|
|
|
struct aml_resource_address address;
|
|
u32 dword_item;
|
|
u16 word_item;
|
|
u8 byte_item;
|
|
};
|
|
|
|
/* Interfaces used by both the disassembler and compiler */
|
|
|
|
void
|
|
mp_save_gpio_info(union acpi_parse_object *op,
|
|
union aml_resource *resource,
|
|
u32 pin_count, u16 *pin_list, char *device_name);
|
|
|
|
void
|
|
mp_save_serial_info(union acpi_parse_object *op,
|
|
union aml_resource *resource, char *device_name);
|
|
|
|
char *mp_get_hid_from_parse_tree(struct acpi_namespace_node *hid_node);
|
|
|
|
char *mp_get_hid_via_namestring(char *device_name);
|
|
|
|
char *mp_get_connection_info(union acpi_parse_object *op,
|
|
u32 pin_index,
|
|
struct acpi_namespace_node **target_node,
|
|
char **target_name);
|
|
|
|
char *mp_get_parent_device_hid(union acpi_parse_object *op,
|
|
struct acpi_namespace_node **target_node,
|
|
char **parent_device_name);
|
|
|
|
char *mp_get_ddn_value(char *device_name);
|
|
|
|
char *mp_get_hid_value(struct acpi_namespace_node *device_node);
|
|
|
|
#endif
|