/****************************************************************************** * * Name: acrestyp.h - Defines, types, and structures for resource descriptors * *****************************************************************************/ /* * Copyright (C) 2000 - 2010, 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; u64 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__ */