381 lines
18 KiB
C
381 lines
18 KiB
C
/******************************************************************************
|
|
*
|
|
* Name: actbl.h - Basic ACPI Table Definitions
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2011, 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__
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Fundamental ACPI tables
|
|
*
|
|
* This file contains definitions for the ACPI tables that are directly consumed
|
|
* by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
|
|
* device drivers and other OS support code.
|
|
*
|
|
* The RSDP and FACS do not use the common ACPI table header. All other ACPI
|
|
* tables use the header.
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Values for description table header signatures for tables defined in this
|
|
* file. 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)
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* Master ACPI Table Header. This common header is used by all ACPI tables
|
|
* except the RSDP and FACS.
|
|
*
|
|
******************************************************************************/
|
|
|
|
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 misaliged access is not supported by the hardware, accesses to the
|
|
* 64-bit 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 ")
|
|
* Version 2
|
|
*
|
|
******************************************************************************/
|
|
|
|
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
|
|
* Version 1 (both)
|
|
*
|
|
******************************************************************************/
|
|
|
|
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[3]; /* Reserved, must be zero */
|
|
u32 ospm_flags; /* Flags to be set by OSPM (ACPI 4.0) */
|
|
u8 reserved1[24]; /* Reserved, must be zero */
|
|
};
|
|
|
|
/* Masks for global_lock flag field above */
|
|
|
|
#define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
|
|
#define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
|
|
|
|
/* Masks for Flags field above */
|
|
|
|
#define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
|
|
#define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
|
|
|
|
/* Masks for ospm_flags field above */
|
|
|
|
#define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FADT - Fixed ACPI Description Table (Signature "FACP")
|
|
* Version 4
|
|
*
|
|
******************************************************************************/
|
|
|
|
/* 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 below for individual flags) */
|
|
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 */
|
|
struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register */
|
|
struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register */
|
|
};
|
|
|
|
/* Masks for FADT Boot Architecture Flags (boot_flags) */
|
|
|
|
#define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
|
|
#define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
|
|
#define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
|
|
#define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
|
|
#define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
|
|
#define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */
|
|
|
|
#define FADT2_REVISION_ID 3
|
|
|
|
/* Masks for FADT flags */
|
|
|
|
#define ACPI_FADT_WBINVD (1) /* 00: [V1] The wbinvd instruction works properly */
|
|
#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] wbinvd flushes but does not invalidate caches */
|
|
#define ACPI_FADT_C1_SUPPORTED (1<<2) /* 02: [V1] All processors support C1 state */
|
|
#define ACPI_FADT_C2_MP_SUPPORTED (1<<3) /* 03: [V1] C2 state works on MP system */
|
|
#define ACPI_FADT_POWER_BUTTON (1<<4) /* 04: [V1] Power button is handled as a control method device */
|
|
#define ACPI_FADT_SLEEP_BUTTON (1<<5) /* 05: [V1] Sleep button is handled as a control method device */
|
|
#define ACPI_FADT_FIXED_RTC (1<<6) /* 06: [V1] RTC wakeup status not in fixed register space */
|
|
#define ACPI_FADT_S4_RTC_WAKE (1<<7) /* 07: [V1] RTC alarm can wake system from S4 */
|
|
#define ACPI_FADT_32BIT_TIMER (1<<8) /* 08: [V1] ACPI timer width is 32-bit (0=24-bit) */
|
|
#define ACPI_FADT_DOCKING_SUPPORTED (1<<9) /* 09: [V1] Docking supported */
|
|
#define ACPI_FADT_RESET_REGISTER (1<<10) /* 10: [V2] System reset via the FADT RESET_REG supported */
|
|
#define ACPI_FADT_SEALED_CASE (1<<11) /* 11: [V3] No internal expansion capabilities and case is sealed */
|
|
#define ACPI_FADT_HEADLESS (1<<12) /* 12: [V3] No local video capabilities or local input devices */
|
|
#define ACPI_FADT_SLEEP_TYPE (1<<13) /* 13: [V3] Must execute native instruction after writing SLP_TYPx register */
|
|
#define ACPI_FADT_PCI_EXPRESS_WAKE (1<<14) /* 14: [V4] System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
|
|
#define ACPI_FADT_PLATFORM_CLOCK (1<<15) /* 15: [V4] OSPM should use platform-provided timer (ACPI 3.0) */
|
|
#define ACPI_FADT_S4_RTC_VALID (1<<16) /* 16: [V4] Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
|
|
#define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
|
|
#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
|
|
#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local x_aPICs must use physical dest mode (ACPI 3.0) */
|
|
#define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
|
|
#define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
|
|
|
|
/* Values for preferred_profile (Preferred 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,
|
|
PM_PERFORMANCE_SERVER = 7,
|
|
PM_TABLET = 8
|
|
};
|
|
|
|
/* Values for sleep_status and sleep_control registers (V5 FADT) */
|
|
|
|
#define ACPI_X_WAKE_STATUS 0x80
|
|
#define ACPI_X_SLEEP_TYPE_MASK 0x1C
|
|
#define ACPI_X_SLEEP_TYPE_POSITION 0x02
|
|
#define ACPI_X_SLEEP_ENABLE 0x20
|
|
|
|
/* Reset to default packing */
|
|
|
|
#pragma pack()
|
|
|
|
#define ACPI_FADT_OFFSET(f) (u16) ACPI_OFFSET (struct acpi_table_fadt, f)
|
|
|
|
/*
|
|
* Internal table-related structures
|
|
*/
|
|
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;
|
|
};
|
|
|
|
/* Masks for Flags field above */
|
|
|
|
#define ACPI_TABLE_ORIGIN_UNKNOWN (0)
|
|
#define ACPI_TABLE_ORIGIN_MAPPED (1)
|
|
#define ACPI_TABLE_ORIGIN_ALLOCATED (2)
|
|
#define ACPI_TABLE_ORIGIN_OVERRIDE (4)
|
|
#define ACPI_TABLE_ORIGIN_MASK (7)
|
|
#define ACPI_TABLE_IS_LOADED (8)
|
|
|
|
/*
|
|
* Get the remaining ACPI tables
|
|
*/
|
|
|
|
#include <acpi/actbl1.h>
|
|
#include <acpi/actbl2.h>
|
|
#include <acpi/actbl3.h>
|
|
|
|
/*
|
|
* Sizes of the various flavors of FADT. We need to look closely
|
|
* at the FADT length because the version number essentially tells
|
|
* us nothing because of many BIOS bugs where the version does not
|
|
* match the expected length. In other words, the length of the
|
|
* FADT is the bottom line as to what the version really is.
|
|
*
|
|
* For reference, the values below are as follows:
|
|
* FADT V1 size: 0x074
|
|
* FADT V2 size: 0x084
|
|
* FADT V3 size: 0x0F4
|
|
* FADT V4 size: 0x0F4
|
|
* FADT V5 size: 0x10C
|
|
*/
|
|
#define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4)
|
|
#define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (reserved4[0]) + 3)
|
|
#define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control))
|
|
#define ACPI_FADT_V5_SIZE (u32) (sizeof (struct acpi_table_fadt))
|
|
|
|
#endif /* __ACTBL_H__ */
|