| /****************************************************************************** |
| * |
| * Name: actbl.h - Basic ACPI Table Definitions |
| * |
| *****************************************************************************/ |
| |
| /* |
| * 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 __ACTBL_H__ |
| #define __ACTBL_H__ |
| |
| /* |
| * Values for description table header signatures. Useful because they make |
| * it more difficult to inadvertently type in the wrong signature. |
| */ |
| #define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */ |
| #define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */ |
| #define ACPI_SIG_FACS "FACS" /* Firmware ACPI Control Structure */ |
| #define ACPI_SIG_PSDT "PSDT" /* Persistent System Description Table */ |
| #define ACPI_SIG_RSDP "RSD PTR " /* Root System Description Pointer */ |
| #define ACPI_SIG_RSDT "RSDT" /* Root System Description Table */ |
| #define ACPI_SIG_XSDT "XSDT" /* Extended System Description Table */ |
| #define ACPI_SIG_SSDT "SSDT" /* Secondary System Description Table */ |
| #define ACPI_RSDP_NAME "RSDP" /* Short name for RSDP, not signature */ |
| |
| /* |
| * All tables and structures must be byte-packed to match the ACPI |
| * specification, since the tables are provided by the system BIOS |
| */ |
| #pragma pack(1) |
| |
| /* |
| * These are the ACPI tables that are directly consumed by the subsystem. |
| * |
| * The RSDP and FACS do not use the common ACPI table header. All other ACPI |
| * tables use the header. |
| * |
| * Note about bitfields: The u8 type is used for bitfields in ACPI tables. |
| * This is the only type that is even remotely portable. Anything else is not |
| * portable, so do not use any other bitfield types. |
| */ |
| |
| /******************************************************************************* |
| * |
| * ACPI Table Header. This common header is used by all tables except the |
| * RSDP and FACS. The define is used for direct inclusion of header into |
| * other ACPI tables |
| * |
| ******************************************************************************/ |
| |
| struct acpi_table_header { |
| char signature[ACPI_NAME_SIZE]; /* ASCII table signature */ |
| u32 length; /* Length of table in bytes, including this header */ |
| u8 revision; /* ACPI Specification minor version # */ |
| u8 checksum; /* To make sum of entire table == 0 */ |
| char oem_id[ACPI_OEM_ID_SIZE]; /* ASCII OEM identification */ |
| char oem_table_id[ACPI_OEM_TABLE_ID_SIZE]; /* ASCII OEM table identification */ |
| u32 oem_revision; /* OEM revision number */ |
| char asl_compiler_id[ACPI_NAME_SIZE]; /* ASCII ASL compiler vendor ID */ |
| u32 asl_compiler_revision; /* ASL compiler version */ |
| }; |
| |
| /* |
| * GAS - Generic Address Structure (ACPI 2.0+) |
| * |
| * Note: Since this structure is used in the ACPI tables, it is byte aligned. |
| * If misalignment is not supported, access to the Address field must be |
| * performed with care. |
| */ |
| struct acpi_generic_address { |
| u8 space_id; /* Address space where struct or register exists */ |
| u8 bit_width; /* Size in bits of given register */ |
| u8 bit_offset; /* Bit offset within the register */ |
| u8 access_width; /* Minimum Access size (ACPI 3.0) */ |
| u64 address; /* 64-bit address of struct or register */ |
| }; |
| |
| /******************************************************************************* |
| * |
| * RSDP - Root System Description Pointer (Signature is "RSD PTR ") |
| * |
| ******************************************************************************/ |
| |
| struct acpi_table_rsdp { |
| char signature[8]; /* ACPI signature, contains "RSD PTR " */ |
| u8 checksum; /* ACPI 1.0 checksum */ |
| char oem_id[ACPI_OEM_ID_SIZE]; /* OEM identification */ |
| u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */ |
| u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */ |
| u32 length; /* Table length in bytes, including header (ACPI 2.0+) */ |
| u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */ |
| u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */ |
| u8 reserved[3]; /* Reserved, must be zero */ |
| }; |
| |
| #define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */ |
| |
| /******************************************************************************* |
| * |
| * RSDT/XSDT - Root System Description Tables |
| * |
| ******************************************************************************/ |
| |
| struct acpi_table_rsdt { |
| struct acpi_table_header header; /* Common ACPI table header */ |
| u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */ |
| }; |
| |
| struct acpi_table_xsdt { |
| struct acpi_table_header header; /* Common ACPI table header */ |
| u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */ |
| }; |
| |
| /******************************************************************************* |
| * |
| * FACS - Firmware ACPI Control Structure (FACS) |
| * |
| ******************************************************************************/ |
| |
| struct acpi_table_facs { |
| char signature[4]; /* ASCII table signature */ |
| u32 length; /* Length of structure, in bytes */ |
| u32 hardware_signature; /* Hardware configuration signature */ |
| u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */ |
| u32 global_lock; /* Global Lock for shared hardware resources */ |
| u32 flags; |
| u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */ |
| u8 version; /* Version of this table (ACPI 2.0+) */ |
| u8 reserved[31]; /* Reserved, must be zero */ |
| }; |
| |
| /* Flag macros */ |
| |
| #define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */ |
| |
| /* Global lock flags */ |
| |
| #define ACPI_GLOCK_PENDING 0x01 /* 00: Pending global lock ownership */ |
| #define ACPI_GLOCK_OWNED 0x02 /* 01: Global lock is owned */ |
| |
| /******************************************************************************* |
| * |
| * FADT - Fixed ACPI Description Table (Signature "FACP") |
| * |
| ******************************************************************************/ |
| |
| /* Fields common to all versions of the FADT */ |
| |
| struct acpi_table_fadt { |
| struct acpi_table_header header; /* Common ACPI table header */ |
| u32 facs; /* 32-bit physical address of FACS */ |
| u32 dsdt; /* 32-bit physical address of DSDT */ |
| u8 model; /* System Interrupt Model (ACPI 1.0) - not used in ACPI 2.0+ */ |
| u8 preferred_profile; /* Conveys preferred power management profile to OSPM. */ |
| u16 sci_interrupt; /* System vector of SCI interrupt */ |
| u32 smi_command; /* 32-bit Port address of SMI command port */ |
| u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */ |
| u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */ |
| u8 S4bios_request; /* Value to write to SMI CMD to enter S4BIOS state */ |
| u8 pstate_control; /* Processor performance state control */ |
| u32 pm1a_event_block; /* 32-bit Port address of Power Mgt 1a Event Reg Blk */ |
| u32 pm1b_event_block; /* 32-bit Port address of Power Mgt 1b Event Reg Blk */ |
| u32 pm1a_control_block; /* 32-bit Port address of Power Mgt 1a Control Reg Blk */ |
| u32 pm1b_control_block; /* 32-bit Port address of Power Mgt 1b Control Reg Blk */ |
| u32 pm2_control_block; /* 32-bit Port address of Power Mgt 2 Control Reg Blk */ |
| u32 pm_timer_block; /* 32-bit Port address of Power Mgt Timer Ctrl Reg Blk */ |
| u32 gpe0_block; /* 32-bit Port address of General Purpose Event 0 Reg Blk */ |
| u32 gpe1_block; /* 32-bit Port address of General Purpose Event 1 Reg Blk */ |
| u8 pm1_event_length; /* Byte Length of ports at pm1x_event_block */ |
| u8 pm1_control_length; /* Byte Length of ports at pm1x_control_block */ |
| u8 pm2_control_length; /* Byte Length of ports at pm2_control_block */ |
| u8 pm_timer_length; /* Byte Length of ports at pm_timer_block */ |
| u8 gpe0_block_length; /* Byte Length of ports at gpe0_block */ |
| u8 gpe1_block_length; /* Byte Length of ports at gpe1_block */ |
| u8 gpe1_base; /* Offset in GPE number space where GPE1 events start */ |
| u8 cst_control; /* Support for the _CST object and C States change notification */ |
| u16 C2latency; /* Worst case HW latency to enter/exit C2 state */ |
| u16 C3latency; /* Worst case HW latency to enter/exit C3 state */ |
| u16 flush_size; /* Processor's memory cache line width, in bytes */ |
| u16 flush_stride; /* Number of flush strides that need to be read */ |
| u8 duty_offset; /* Processor duty cycle index in processor's P_CNT reg */ |
| u8 duty_width; /* Processor duty cycle value bit width in P_CNT register. */ |
| u8 day_alarm; /* Index to day-of-month alarm in RTC CMOS RAM */ |
| u8 month_alarm; /* Index to month-of-year alarm in RTC CMOS RAM */ |
| u8 century; /* Index to century in RTC CMOS RAM */ |
| u16 boot_flags; /* IA-PC Boot Architecture Flags. See Table 5-10 for description */ |
| u8 reserved; /* Reserved, must be zero */ |
| u32 flags; /* Miscellaneous flag bits (see below for individual flags) */ |
| struct acpi_generic_address reset_register; /* 64-bit address of the Reset register */ |
| u8 reset_value; /* Value to write to the reset_register port to reset the system */ |
| u8 reserved4[3]; /* Reserved, must be zero */ |
| u64 Xfacs; /* 64-bit physical address of FACS */ |
| u64 Xdsdt; /* 64-bit physical address of DSDT */ |
| struct acpi_generic_address xpm1a_event_block; /* 64-bit Extended Power Mgt 1a Event Reg Blk address */ |
| struct acpi_generic_address xpm1b_event_block; /* 64-bit Extended Power Mgt 1b Event Reg Blk address */ |
| struct acpi_generic_address xpm1a_control_block; /* 64-bit Extended Power Mgt 1a Control Reg Blk address */ |
| struct acpi_generic_address xpm1b_control_block; /* 64-bit Extended Power Mgt 1b Control Reg Blk address */ |
| struct acpi_generic_address xpm2_control_block; /* 64-bit Extended Power Mgt 2 Control Reg Blk address */ |
| struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */ |
| struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */ |
| struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */ |
| }; |
| |
| /* FADT flags */ |
| |
| #define ACPI_FADT_WBINVD (1) /* 00: The wbinvd instruction works properly */ |
| #define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: The wbinvd flushes but does not invalidate */ |
| #define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: All processors support C1 state */ |
| #define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: C2 state works on MP system */ |
| #define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: Power button is handled as a generic feature */ |
| #define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: Sleep button is handled as a generic feature, or not present */ |
| #define ACPI_FADT_FIXED_RTC (1<<6) /* 06: RTC wakeup stat not in fixed register space */ |
| #define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: RTC wakeup possible from S4 */ |
| #define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: tmr_val is 32 bits 0=24-bits */ |
| #define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: Docking supported */ |
| #define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: System reset via the FADT RESET_REG supported */ |
| #define ACPI_FADT_SEALED_CASE (1<<11) /* 11: No internal expansion capabilities and case is sealed */ |
| #define ACPI_FADT_HEADLESS (1<<12) /* 12: No local video capabilities or local input devices */ |
| #define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: Must execute native instruction after writing SLP_TYPx register */ |
| #define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */ |
| #define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: OSPM should use platform-provided timer (ACPI 3.0) */ |
| #define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: Contents of RTC_STS valid after S4 wake (ACPI 3.0) */ |
| #define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: System is compatible with remote power on (ACPI 3.0) */ |
| #define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: All local APICs must use cluster model (ACPI 3.0) */ |
| #define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: All local x_aPICs must use physical dest mode (ACPI 3.0) */ |
| |
| /* |
| * FADT Prefered Power Management Profiles |
| */ |
| enum acpi_prefered_pm_profiles { |
| PM_UNSPECIFIED = 0, |
| PM_DESKTOP = 1, |
| PM_MOBILE = 2, |
| PM_WORKSTATION = 3, |
| PM_ENTERPRISE_SERVER = 4, |
| PM_SOHO_SERVER = 5, |
| PM_APPLIANCE_PC = 6 |
| }; |
| |
| /* FADT Boot Arch Flags */ |
| |
| #define BAF_LEGACY_DEVICES 0x0001 |
| #define BAF_8042_KEYBOARD_CONTROLLER 0x0002 |
| #define BAF_MSI_NOT_SUPPORTED 0x0008 |
| #define BAF_PCIE_ASPM_CONTROL 0x0010 |
| |
| #define FADT2_REVISION_ID 3 |
| #define FADT2_MINUS_REVISION_ID 2 |
| |
| /* Reset to default packing */ |
| |
| #pragma pack() |
| |
| #define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_fadt, f) |
| |
| union acpi_name_union { |
| u32 integer; |
| char ascii[4]; |
| }; |
| |
| /* |
| * Internal ACPI Table Descriptor. One per ACPI table |
| */ |
| struct acpi_table_desc { |
| acpi_physical_address address; |
| struct acpi_table_header *pointer; |
| u32 length; /* Length fixed at 32 bits */ |
| union acpi_name_union signature; |
| acpi_owner_id owner_id; |
| u8 flags; |
| }; |
| |
| /* Flags for above */ |
| |
| #define ACPI_TABLE_ORIGIN_UNKNOWN (0) |
| #define ACPI_TABLE_ORIGIN_MAPPED (1) |
| #define ACPI_TABLE_ORIGIN_ALLOCATED (2) |
| #define ACPI_TABLE_ORIGIN_MASK (3) |
| #define ACPI_TABLE_IS_LOADED (4) |
| |
| /* |
| * Get the remaining ACPI tables |
| */ |
| |
| #include <acpi/actbl1.h> |
| |
| #endif /* __ACTBL_H__ */ |
