/****************************************************************************** * * Name: actbl.h - Basic ACPI Table Definitions * *****************************************************************************/ /* * Copyright (C) 2000 - 2006, R. Byron Moore * 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 DSDT_SIG "DSDT" /* Differentiated System Description Table */ #define FADT_SIG "FACP" /* Fixed ACPI Description Table */ #define FACS_SIG "FACS" /* Firmware ACPI Control Structure */ #define PSDT_SIG "PSDT" /* Persistent System Description Table */ #define RSDP_SIG "RSD PTR " /* Root System Description Pointer */ #define RSDT_SIG "RSDT" /* Root System Description Table */ #define XSDT_SIG "XSDT" /* Extended System Description Table */ #define SSDT_SIG "SSDT" /* Secondary System Description Table */ #define RSDP_NAME "RSDP" /* * 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 * ******************************************************************************/ #define ACPI_TABLE_HEADER_DEF \ char signature[4]; /* 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[6]; /* ASCII OEM identification */\ char oem_table_id[8]; /* ASCII OEM table identification */\ u32 oem_revision; /* OEM revision number */\ char asl_compiler_id[4]; /* ASCII ASL compiler vendor ID */\ u32 asl_compiler_revision; /* ASL compiler version */ struct acpi_table_header { ACPI_TABLE_HEADER_DEF}; /* * GAS - Generic Address Structure (ACPI 2.0+) */ struct acpi_generic_address { u8 address_space_id; /* Address space where struct or register exists */ u8 register_bit_width; /* Size in bits of given register */ u8 register_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 rsdp_descriptor { char signature[8]; /* ACPI signature, contains "RSD PTR " */ u8 checksum; /* ACPI 1.0 checksum */ char oem_id[6]; /* 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 rsdt_descriptor { ACPI_TABLE_HEADER_DEF u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */ }; struct xsdt_descriptor { ACPI_TABLE_HEADER_DEF u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */ }; /******************************************************************************* * * FACS - Firmware ACPI Control Structure (FACS) * ******************************************************************************/ struct facs_descriptor { 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 */ /* Flags (32 bits) */ u8 S4bios_f:1; /* 00: S4BIOS support is present */ u8:7; /* 01-07: Reserved, must be zero */ u8 reserved1[3]; /* 08-31: Reserved, must be zero */ 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 */ }; #define ACPI_GLOCK_PENDING 0x01 /* 00: Pending global lock ownership */ #define ACPI_GLOCK_OWNED 0x02 /* 01: Global lock is owned */ /* * Common FACS - This is a version-independent FACS structure used for internal use only */ struct acpi_common_facs { u32 *global_lock; u64 *firmware_waking_vector; u8 vector_width; }; /******************************************************************************* * * FADT - Fixed ACPI Description Table (Signature "FACP") * ******************************************************************************/ /* Fields common to all versions of the FADT */ #define ACPI_FADT_COMMON \ ACPI_TABLE_HEADER_DEF \ u32 V1_firmware_ctrl; /* 32-bit physical address of FACS */ \ u32 V1_dsdt; /* 32-bit physical address of DSDT */ \ u8 reserved1; /* System Interrupt Model isn't used in ACPI 2.0*/ \ u8 prefer_PM_profile; /* Conveys preferred power management profile to OSPM. */ \ u16 sci_int; /* System vector of SCI interrupt */ \ u32 smi_cmd; /* 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_req; /* Value to write to SMI CMD to enter S4BIOS state */ \ u8 pstate_cnt; /* Processor performance state control*/ \ u32 V1_pm1a_evt_blk; /* Port address of Power Mgt 1a Event Reg Blk */ \ u32 V1_pm1b_evt_blk; /* Port address of Power Mgt 1b Event Reg Blk */ \ u32 V1_pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \ u32 V1_pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \ u32 V1_pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ \ u32 V1_pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ \ u32 V1_gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ \ u32 V1_gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */ \ u8 pm1_evt_len; /* Byte Length of ports at pm1_x_evt_blk */ \ u8 pm1_cnt_len; /* Byte Length of ports at pm1_x_cnt_blk */ \ u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */ \ u8 pm_tm_len; /* Byte Length of ports at pm_tm_blk */ \ u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \ u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \ u8 gpe1_base; /* Offset in gpe model where gpe1 events start */ \ u8 cst_cnt; /* Support for the _CST object and C States change notification.*/ \ u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */ \ u16 plvl3_lat; /* 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's duty cycle index in processor's P_CNT reg*/ \ u8 duty_width; /* Processor's duty cycle value bit width in P_CNT register.*/ \ u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */ \ u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */ \ u8 century; /* Index to century in RTC CMOS RAM */ \ u16 iapc_boot_arch; /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/ \ u8 reserved2; /* Reserved, must be zero */ /* * ACPI 2.0+ FADT */ struct fadt_descriptor { ACPI_FADT_COMMON /* Flags (32 bits) */ u8 wb_invd:1; /* 00: The wbinvd instruction works properly */ u8 wb_invd_flush:1; /* 01: The wbinvd flushes but does not invalidate */ u8 proc_c1:1; /* 02: All processors support C1 state */ u8 plvl2_up:1; /* 03: C2 state works on MP system */ u8 pwr_button:1; /* 04: Power button is handled as a generic feature */ u8 sleep_button:1; /* 05: Sleep button is handled as a generic feature, or not present */ u8 fixed_rTC:1; /* 06: RTC wakeup stat not in fixed register space */ u8 rtcs4:1; /* 07: RTC wakeup stat not possible from S4 */ u8 tmr_val_ext:1; /* 08: tmr_val is 32 bits 0=24-bits */ u8 dock_cap:1; /* 09: Docking supported */ u8 reset_reg_sup:1; /* 10: System reset via the FADT RESET_REG supported */ u8 sealed_case:1; /* 11: No internal expansion capabilities and case is sealed */ u8 headless:1; /* 12: No local video capabilities or local input devices */ u8 cpu_sw_sleep:1; /* 13: Must execute native instruction after writing SLP_TYPx register */ u8 pci_exp_wak:1; /* 14: System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */ u8 use_platform_clock:1; /* 15: OSPM should use platform-provided timer (ACPI 3.0) */ u8 S4rtc_sts_valid:1; /* 16: Contents of RTC_STS valid after S4 wake (ACPI 3.0) */ u8 remote_power_on_capable:1; /* 17: System is compatible with remote power on (ACPI 3.0) */ u8 force_apic_cluster_model:1; /* 18: All local APICs must use cluster model (ACPI 3.0) */ u8 force_apic_physical_destination_mode:1; /* 19: All local x_aPICs must use physical dest mode (ACPI 3.0) */ u8:4; /* 20-23: Reserved, must be zero */ u8 reserved3; /* 24-31: Reserved, must be zero */ struct acpi_generic_address reset_register; /* Reset register address in GAS format */ u8 reset_value; /* Value to write to the reset_register port to reset the system */ u8 reserved4[3]; /* These three bytes must be zero */ u64 xfirmware_ctrl; /* 64-bit physical address of FACS */ u64 Xdsdt; /* 64-bit physical address of DSDT */ struct acpi_generic_address xpm1a_evt_blk; /* Extended Power Mgt 1a acpi_event Reg Blk address */ struct acpi_generic_address xpm1b_evt_blk; /* Extended Power Mgt 1b acpi_event Reg Blk address */ struct acpi_generic_address xpm1a_cnt_blk; /* Extended Power Mgt 1a Control Reg Blk address */ struct acpi_generic_address xpm1b_cnt_blk; /* Extended Power Mgt 1b Control Reg Blk address */ struct acpi_generic_address xpm2_cnt_blk; /* Extended Power Mgt 2 Control Reg Blk address */ struct acpi_generic_address xpm_tmr_blk; /* Extended Power Mgt Timer Ctrl Reg Blk address */ struct acpi_generic_address xgpe0_blk; /* Extended General Purpose acpi_event 0 Reg Blk address */ struct acpi_generic_address xgpe1_blk; /* Extended General Purpose acpi_event 1 Reg Blk address */ }; /* * "Down-revved" ACPI 2.0 FADT descriptor * Defined here to allow compiler to generate the length of the struct */ struct fadt_descriptor_rev2_minus { ACPI_FADT_COMMON u32 flags; struct acpi_generic_address reset_register; /* Reset register address in GAS format */ u8 reset_value; /* Value to write to the reset_register port to reset the system. */ u8 reserved7[3]; /* Reserved, must be zero */ }; /* * ACPI 1.0 FADT * Defined here to allow compiler to generate the length of the struct */ struct fadt_descriptor_rev1 { ACPI_FADT_COMMON u32 flags; }; /* FADT: Prefered Power Management Profiles */ #define PM_UNSPECIFIED 0 #define PM_DESKTOP 1 #define PM_MOBILE 2 #define PM_WORKSTATION 3 #define PM_ENTERPRISE_SERVER 4 #define PM_SOHO_SERVER 5 #define PM_APPLIANCE_PC 6 /* FADT: Boot Arch Flags */ #define BAF_LEGACY_DEVICES 0x0001 #define BAF_8042_KEYBOARD_CONTROLLER 0x0002 #define FADT2_REVISION_ID 3 #define FADT2_MINUS_REVISION_ID 2 /* Reset to default packing */ #pragma pack() /* * This macro is temporary until the table bitfield flag definitions * are removed and replaced by a Flags field. */ #define ACPI_FLAG_OFFSET(d,f,o) (u8) (ACPI_OFFSET (d,f) + \ sizeof(((d *)0)->f) + o) /* * Get the remaining ACPI tables */ #include "actbl1.h" /* * ACPI Table information. We save the table address, length, * and type of memory allocation (mapped or allocated) for each * table for 1) when we exit, and 2) if a new table is installed */ #define ACPI_MEM_NOT_ALLOCATED 0 #define ACPI_MEM_ALLOCATED 1 #define ACPI_MEM_MAPPED 2 /* Definitions for the Flags bitfield member of struct acpi_table_support */ #define ACPI_TABLE_SINGLE 0x00 #define ACPI_TABLE_MULTIPLE 0x01 #define ACPI_TABLE_EXECUTABLE 0x02 #define ACPI_TABLE_ROOT 0x00 #define ACPI_TABLE_PRIMARY 0x10 #define ACPI_TABLE_SECONDARY 0x20 #define ACPI_TABLE_ALL 0x30 #define ACPI_TABLE_TYPE_MASK 0x30 /* Data about each known table type */ struct acpi_table_support { char *name; char *signature; void **global_ptr; u8 sig_length; u8 flags; }; extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1, * needed for certain workarounds */ /* Macros used to generate offsets to specific table fields */ #define ACPI_FACS_OFFSET(f) (u8) ACPI_OFFSET (struct facs_descriptor,f) #define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct fadt_descriptor, f) #define ACPI_GAS_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_generic_address,f) #define ACPI_HDR_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_header,f) #define ACPI_RSDP_OFFSET(f) (u8) ACPI_OFFSET (struct rsdp_descriptor,f) #define ACPI_FADT_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct fadt_descriptor,f,o) #define ACPI_FACS_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct facs_descriptor,f,o) #endif /* __ACTBL_H__ */