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312 lines
9.7 KiB
C
312 lines
9.7 KiB
C
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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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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2008, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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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_DECODE "_DEC"
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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_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_LENGTH "_LEN"
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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_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_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), 8_and16(1), 16(2) */
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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_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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/* 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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/*
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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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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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u32 interrupts[1];
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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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/* restore default alignment */
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#pragma pack()
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/* Union of all resource descriptors, so we can allocate the worst case */
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union aml_resource {
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/* Descriptor headers */
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u8 descriptor_type;
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struct aml_resource_small_header small_header;
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struct aml_resource_large_header large_header;
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/* Small resource descriptors */
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struct aml_resource_irq irq;
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struct aml_resource_dma dma;
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struct aml_resource_start_dependent start_dpf;
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struct aml_resource_end_dependent end_dpf;
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struct aml_resource_io io;
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struct aml_resource_fixed_io fixed_io;
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struct aml_resource_vendor_small vendor_small;
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struct aml_resource_end_tag end_tag;
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/* Large resource descriptors */
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struct aml_resource_memory24 memory24;
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struct aml_resource_generic_register generic_reg;
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struct aml_resource_vendor_large vendor_large;
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struct aml_resource_memory32 memory32;
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struct aml_resource_fixed_memory32 fixed_memory32;
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struct aml_resource_address16 address16;
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struct aml_resource_address32 address32;
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struct aml_resource_address64 address64;
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struct aml_resource_extended_address64 ext_address64;
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struct aml_resource_extended_irq extended_irq;
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/* Utility overlays */
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struct aml_resource_address address;
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u32 dword_item;
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u16 word_item;
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u8 byte_item;
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};
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#endif
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