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C/C++ Source or Header | 2008-12-24 | 14.1 KB | 298 lines

/****************************************************************************** * * 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 stat not 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) /* * Get the remaining ACPI tables */ #include <acpi/actbl1.h> #endif /* __ACTBL_H__ */