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Diffstat (limited to 'drivers/acpi/acpica/amlresrc.h')
| -rw-r--r-- | drivers/acpi/acpica/amlresrc.h | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h new file mode 100644 index 0000000..7b070e4 --- /dev/null +++ b/drivers/acpi/acpica/amlresrc.h @@ -0,0 +1,311 @@ + +/****************************************************************************** + * + * Module Name: amlresrc.h - AML resource descriptors + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2008, Intel Corp. + * 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 |
