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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