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linux/include/acpi/acrestyp.h

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/******************************************************************************
*
* Name: acrestyp.h - Defines, types, and structures for 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.
*/
#ifndef __ACRESTYP_H__
#define __ACRESTYP_H__
/*
* Definitions for Resource Attributes
*/
typedef u16 acpi_rs_length; /* Resource Length field is fixed at 16 bits */
typedef u32 acpi_rsdesc_size; /* Max Resource Descriptor size is (Length+3) = (64_k-1)+3 */
/*
* Memory Attributes
*/
#define ACPI_READ_ONLY_MEMORY (u8) 0x00
#define ACPI_READ_WRITE_MEMORY (u8) 0x01
#define ACPI_NON_CACHEABLE_MEMORY (u8) 0x00
#define ACPI_CACHABLE_MEMORY (u8) 0x01
#define ACPI_WRITE_COMBINING_MEMORY (u8) 0x02
#define ACPI_PREFETCHABLE_MEMORY (u8) 0x03
/*
* IO Attributes
* The ISA IO ranges are: n000-n0_fFh, n400-n4_fFh, n800-n8_fFh, n_c00-n_cFFh.
* The non-ISA IO ranges are: n100-n3_fFh, n500-n7_fFh, n900-n_bFFh, n_cd0-n_fFFh.
*/
#define ACPI_NON_ISA_ONLY_RANGES (u8) 0x01
#define ACPI_ISA_ONLY_RANGES (u8) 0x02
#define ACPI_ENTIRE_RANGE (ACPI_NON_ISA_ONLY_RANGES | ACPI_ISA_ONLY_RANGES)
/* Type of translation - 1=Sparse, 0=Dense */
#define ACPI_SPARSE_TRANSLATION (u8) 0x01
/*
* IO Port Descriptor Decode
*/
#define ACPI_DECODE_10 (u8) 0x00 /* 10-bit IO address decode */
#define ACPI_DECODE_16 (u8) 0x01 /* 16-bit IO address decode */
/*
* IRQ Attributes
*/
#define ACPI_LEVEL_SENSITIVE (u8) 0x00
#define ACPI_EDGE_SENSITIVE (u8) 0x01
#define ACPI_ACTIVE_HIGH (u8) 0x00
#define ACPI_ACTIVE_LOW (u8) 0x01
#define ACPI_EXCLUSIVE (u8) 0x00
#define ACPI_SHARED (u8) 0x01
/*
* DMA Attributes
*/
#define ACPI_COMPATIBILITY (u8) 0x00
#define ACPI_TYPE_A (u8) 0x01
#define ACPI_TYPE_B (u8) 0x02
#define ACPI_TYPE_F (u8) 0x03
#define ACPI_NOT_BUS_MASTER (u8) 0x00
#define ACPI_BUS_MASTER (u8) 0x01
#define ACPI_TRANSFER_8 (u8) 0x00
#define ACPI_TRANSFER_8_16 (u8) 0x01
#define ACPI_TRANSFER_16 (u8) 0x02
/*
* Start Dependent Functions Priority definitions
*/
#define ACPI_GOOD_CONFIGURATION (u8) 0x00
#define ACPI_ACCEPTABLE_CONFIGURATION (u8) 0x01
#define ACPI_SUB_OPTIMAL_CONFIGURATION (u8) 0x02
/*
* 16, 32 and 64-bit Address Descriptor resource types
*/
#define ACPI_MEMORY_RANGE (u8) 0x00
#define ACPI_IO_RANGE (u8) 0x01
#define ACPI_BUS_NUMBER_RANGE (u8) 0x02
#define ACPI_ADDRESS_NOT_FIXED (u8) 0x00
#define ACPI_ADDRESS_FIXED (u8) 0x01
#define ACPI_POS_DECODE (u8) 0x00
#define ACPI_SUB_DECODE (u8) 0x01
#define ACPI_PRODUCER (u8) 0x00
#define ACPI_CONSUMER (u8) 0x01
/*
* If possible, pack the following structures to byte alignment
*/
#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
#pragma pack(1)
#endif
/* UUID data structures for use in vendor-defined resource descriptors */
struct acpi_uuid {
u8 data[ACPI_UUID_LENGTH];
};
struct acpi_vendor_uuid {
u8 subtype;
u8 data[ACPI_UUID_LENGTH];
};
/*
* Structures used to describe device resources
*/
struct acpi_resource_irq {
u8 descriptor_length;
u8 triggering;
u8 polarity;
u8 sharable;
u8 interrupt_count;
u8 interrupts[1];
};
struct acpi_resource_dma {
u8 type;
u8 bus_master;
u8 transfer;
u8 channel_count;
u8 channels[1];
};
struct acpi_resource_start_dependent {
u8 descriptor_length;
u8 compatibility_priority;
u8 performance_robustness;
};
/*
* The END_DEPENDENT_FUNCTIONS_RESOURCE struct is not
* needed because it has no fields
*/
struct acpi_resource_io {
u8 io_decode;
u8 alignment;
u8 address_length;
u16 minimum;
u16 maximum;
};
struct acpi_resource_fixed_io {
u16 address;
u8 address_length;
};
struct acpi_resource_vendor {
u16 byte_length;
u8 byte_data[1];
};
/* Vendor resource with UUID info (introduced in ACPI 3.0) */
struct acpi_resource_vendor_typed {
u16 byte_length;
u8 uuid_subtype;
u8 uuid[ACPI_UUID_LENGTH];
u8 byte_data[1];
};
struct acpi_resource_end_tag {
u8 checksum;
};
struct acpi_resource_memory24 {
u8 write_protect;
u16 minimum;
u16 maximum;
u16 alignment;
u16 address_length;
};
struct acpi_resource_memory32 {
u8 write_protect;
u32 minimum;
u32 maximum;
u32 alignment;
u32 address_length;
};
struct acpi_resource_fixed_memory32 {
u8 write_protect;
u32 address;
u32 address_length;
};
struct acpi_memory_attribute {
u8 write_protect;
u8 caching;
u8 range_type;
u8 translation;
};
struct acpi_io_attribute {
u8 range_type;
u8 translation;
u8 translation_type;
u8 reserved1;
};
union acpi_resource_attribute {
struct acpi_memory_attribute mem;
struct acpi_io_attribute io;
/* Used for the *word_space macros */
u8 type_specific;
};
struct acpi_resource_source {
u8 index;
u16 string_length;
char *string_ptr;
};
/* Fields common to all address descriptors, 16/32/64 bit */
#define ACPI_RESOURCE_ADDRESS_COMMON \
u8 resource_type; \
u8 producer_consumer; \
u8 decode; \
u8 min_address_fixed; \
u8 max_address_fixed; \
union acpi_resource_attribute info;
struct acpi_resource_address {
ACPI_RESOURCE_ADDRESS_COMMON};
struct acpi_resource_address16 {
ACPI_RESOURCE_ADDRESS_COMMON u16 granularity;
u16 minimum;
u16 maximum;
u16 translation_offset;
u16 address_length;
struct acpi_resource_source resource_source;
};
struct acpi_resource_address32 {
ACPI_RESOURCE_ADDRESS_COMMON u32 granularity;
u32 minimum;
u32 maximum;
u32 translation_offset;
u32 address_length;
struct acpi_resource_source resource_source;
};
struct acpi_resource_address64 {
ACPI_RESOURCE_ADDRESS_COMMON u64 granularity;
u64 minimum;
u64 maximum;
u64 translation_offset;
u64 address_length;
struct acpi_resource_source resource_source;
};
struct acpi_resource_extended_address64 {
ACPI_RESOURCE_ADDRESS_COMMON u8 revision_iD;
u64 granularity;
u64 minimum;
u64 maximum;
u64 translation_offset;
u64 address_length;
u64 type_specific;
};
struct acpi_resource_extended_irq {
u8 producer_consumer;
u8 triggering;
u8 polarity;
u8 sharable;
u8 interrupt_count;
struct acpi_resource_source resource_source;
u32 interrupts[1];
};
struct acpi_resource_generic_register {
u8 space_id;
u8 bit_width;
u8 bit_offset;
u8 access_size;
u64 address;
};
/* ACPI_RESOURCE_TYPEs */
#define ACPI_RESOURCE_TYPE_IRQ 0
#define ACPI_RESOURCE_TYPE_DMA 1
#define ACPI_RESOURCE_TYPE_START_DEPENDENT 2
#define ACPI_RESOURCE_TYPE_END_DEPENDENT 3
#define ACPI_RESOURCE_TYPE_IO 4
#define ACPI_RESOURCE_TYPE_FIXED_IO 5
#define ACPI_RESOURCE_TYPE_VENDOR 6
#define ACPI_RESOURCE_TYPE_END_TAG 7
#define ACPI_RESOURCE_TYPE_MEMORY24 8
#define ACPI_RESOURCE_TYPE_MEMORY32 9
#define ACPI_RESOURCE_TYPE_FIXED_MEMORY32 10
#define ACPI_RESOURCE_TYPE_ADDRESS16 11
#define ACPI_RESOURCE_TYPE_ADDRESS32 12
#define ACPI_RESOURCE_TYPE_ADDRESS64 13
#define ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 14 /* ACPI 3.0 */
#define ACPI_RESOURCE_TYPE_EXTENDED_IRQ 15
#define ACPI_RESOURCE_TYPE_GENERIC_REGISTER 16
#define ACPI_RESOURCE_TYPE_MAX 16
/* Master union for resource descriptors */
union acpi_resource_data {
struct acpi_resource_irq irq;
struct acpi_resource_dma dma;
struct acpi_resource_start_dependent start_dpf;
struct acpi_resource_io io;
struct acpi_resource_fixed_io fixed_io;
struct acpi_resource_vendor vendor;
struct acpi_resource_vendor_typed vendor_typed;
struct acpi_resource_end_tag end_tag;
struct acpi_resource_memory24 memory24;
struct acpi_resource_memory32 memory32;
struct acpi_resource_fixed_memory32 fixed_memory32;
struct acpi_resource_address16 address16;
struct acpi_resource_address32 address32;
struct acpi_resource_address64 address64;
struct acpi_resource_extended_address64 ext_address64;
struct acpi_resource_extended_irq extended_irq;
struct acpi_resource_generic_register generic_reg;
/* Common fields */
struct acpi_resource_address address; /* Common 16/32/64 address fields */
};
/* Common resource header */
struct acpi_resource {
u32 type;
u32 length;
union acpi_resource_data data;
};
/* restore default alignment */
#pragma pack()
#define ACPI_RS_SIZE_NO_DATA 8 /* Id + Length fields */
#define ACPI_RS_SIZE_MIN (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
#define ACPI_RS_SIZE(type) (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
#define ACPI_NEXT_RESOURCE(res) (struct acpi_resource *)((u8 *) res + res->length)
struct acpi_pci_routing_table {
u32 length;
u32 pin;
acpi_integer address; /* here for 64-bit alignment */
u32 source_index;
char source[4]; /* pad to 64 bits so sizeof() works in all cases */
};
#endif /* __ACRESTYP_H__ */
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