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/******************************************************************************
*
* Module Name: amlresrc.h - AML resource descriptors
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2007, R. Byron Moore
* 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.
*/
/* acpisrc:struct_defs -- for acpisrc conversion */
#ifndef __AMLRESRC_H
#define __AMLRESRC_H
/*
* Resource descriptor tags, as defined in the ACPI specification.
* Used to symbolically reference fields within a descriptor.
*/
#define ACPI_RESTAG_ADDRESS "_ADR"
#define ACPI_RESTAG_ALIGNMENT "_ALN"
#define ACPI_RESTAG_ADDRESSSPACE "_ASI"
#define ACPI_RESTAG_ACCESSSIZE "_ASZ"
#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
#define ACPI_RESTAG_BASEADDRESS "_BAS"
#define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
#define ACPI_RESTAG_DECODE "_DEC"
#define ACPI_RESTAG_DMA "_DMA"
#define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
#define ACPI_RESTAG_GRANULARITY "_GRA"
#define ACPI_RESTAG_INTERRUPT "_INT"
#define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
#define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
#define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
#define ACPI_RESTAG_LENGTH "_LEN"
#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
#define ACPI_RESTAG_MAXADDR "_MAX"
#define ACPI_RESTAG_MINADDR "_MIN"
#define ACPI_RESTAG_MAXTYPE "_MAF"
#define ACPI_RESTAG_MINTYPE "_MIF"
#define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
#define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
#define ACPI_RESTAG_RANGETYPE "_RNG"
#define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
#define ACPI_RESTAG_TRANSLATION "_TRA"
#define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
#define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8_and16(1), 16(2) */
/* Default sizes for "small" resource descriptors */
#define ASL_RDESC_IRQ_SIZE 0x02
#define ASL_RDESC_DMA_SIZE 0x02
#define ASL_RDESC_ST_DEPEND_SIZE 0x00
#define ASL_RDESC_END_DEPEND_SIZE 0x00
#define ASL_RDESC_IO_SIZE 0x07
#define ASL_RDESC_FIXED_IO_SIZE 0x03
#define ASL_RDESC_END_TAG_SIZE 0x01
struct asl_resource_node {
u32 buffer_length;
void *buffer;
struct asl_resource_node *next;
};
/* Macros used to generate AML resource length fields */
#define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
#define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
/*
* Resource descriptors defined in the ACPI specification.
*
* Packing/alignment must be BYTE because these descriptors
* are used to overlay the raw AML byte stream.
*/
#pragma pack(1)
/*
* SMALL descriptors
*/
#define AML_RESOURCE_SMALL_HEADER_COMMON \
u8 descriptor_type;
struct aml_resource_small_header {
AML_RESOURCE_SMALL_HEADER_COMMON};
struct aml_resource_irq {
AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
u8 flags;
};
struct aml_resource_irq_noflags {
AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
};
struct aml_resource_dma {
AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
u8 flags;
};
struct aml_resource_start_dependent {
AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
};
struct aml_resource_start_dependent_noprio {
AML_RESOURCE_SMALL_HEADER_COMMON};
struct aml_resource_end_dependent {
AML_RESOURCE_SMALL_HEADER_COMMON};
struct aml_resource_io {
AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
u16 minimum;
u16 maximum;
u8 alignment;
u8 address_length;
};
struct aml_resource_fixed_io {
AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
u8 address_length;
};
struct aml_resource_vendor_small {
AML_RESOURCE_SMALL_HEADER_COMMON};
struct aml_resource_end_tag {
AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
};
/*
* LARGE descriptors
*/
#define AML_RESOURCE_LARGE_HEADER_COMMON \
u8 descriptor_type;\
u16 resource_length;
struct aml_resource_large_header {
AML_RESOURCE_LARGE_HEADER_COMMON};
struct aml_resource_memory24 {
AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
u16 minimum;
u16 maximum;
u16 alignment;
u16 address_length;
};
struct aml_resource_vendor_large {
AML_RESOURCE_LARGE_HEADER_COMMON};
struct aml_resource_memory32 {
AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
u32 minimum;
u32 maximum;
u32 alignment;
u32 address_length;
};
struct aml_resource_fixed_memory32 {
AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
u32 address;
u32 address_length;
};
#define AML_RESOURCE_ADDRESS_COMMON \
u8 resource_type; \
u8 flags; \
u8 specific_flags;
struct aml_resource_address {
AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
struct aml_resource_extended_address64 {
AML_RESOURCE_LARGE_HEADER_COMMON
AML_RESOURCE_ADDRESS_COMMON u8 revision_iD;
u8 reserved;
u64 granularity;
u64 minimum;
u64 maximum;
u64 translation_offset;
u64 address_length;
u64 type_specific;
};
#define AML_RESOURCE_EXTENDED_ADDRESS_REVISION 1 /* ACPI 3.0 */
struct aml_resource_address64 {
AML_RESOURCE_LARGE_HEADER_COMMON
AML_RESOURCE_ADDRESS_COMMON u64 granularity;
u64 minimum;
u64 maximum;
u64 translation_offset;
u64 address_length;
};
struct aml_resource_address32 {
AML_RESOURCE_LARGE_HEADER_COMMON
AML_RESOURCE_ADDRESS_COMMON u32 granularity;
u32 minimum;
u32 maximum;
u32 translation_offset;
u32 address_length;
};
struct aml_resource_address16 {
AML_RESOURCE_LARGE_HEADER_COMMON
AML_RESOURCE_ADDRESS_COMMON u16 granularity;
u16 minimum;
u16 maximum;
u16 translation_offset;
u16 address_length;
};
struct aml_resource_extended_irq {
AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
u8 interrupt_count;
u32 interrupts[1];
/* res_source_index, res_source optional fields follow */
};
struct aml_resource_generic_register {
AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
u8 bit_width;
u8 bit_offset;
u8 access_size; /* ACPI 3.0, was previously Reserved */
u64 address;
};
/* 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_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;
/* Utility overlays */
struct aml_resource_address address;
u32 dword_item;
u16 word_item;
u8 byte_item;
};
#endif
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