/******************************************************************************
*
* 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__ */
