linux-stable-rt/include/acpi/actbl2.h

/******************************************************************************
 *
 * Name: actbl2.h - ACPI Specification Revision 2.0 Tables
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2005, 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 __ACTBL2_H__
#define __ACTBL2_H__

/*
 * 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

/*
 * ACPI 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

#pragma pack(1)

/*
 * ACPI 2.0 Root System Description Table (RSDT)
 */
struct rsdt_descriptor_rev2 {
	ACPI_TABLE_HEADER_DEF	/* ACPI common table header */
	u32 table_offset_entry[1];	/* Array of pointers to ACPI tables */
};

/*
 * ACPI 2.0 Extended System Description Table (XSDT)
 */
struct xsdt_descriptor_rev2 {
	ACPI_TABLE_HEADER_DEF	/* ACPI common table header */
	u64 table_offset_entry[1];	/* Array of pointers to ACPI tables */
};

/*
 * ACPI 2.0 Firmware ACPI Control Structure (FACS)
 */
struct facs_descriptor_rev2 {
	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 used to synchronize access to 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 physical address of the Firmware Waking Vector. */
	u8 version;		/* Version of this table */
	u8 reserved3[31];	/* Reserved, must be zero */
};

/*
 * ACPI 2.0+ Generic Address Structure (GAS)
 */
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 */
};

#define FADT_REV2_COMMON \
	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 acpi_event Reg Blk */ \
	u32                             V1_pm1b_evt_blk;    /* Port address of Power Mgt 1b acpi_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;         /* Number of flush strides that need to be read */ \
	u16                             flush_stride;       /* Processor's memory cache line width, in bytes */ \
	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*/

/*
 * ACPI 2.0+ Fixed ACPI Description Table (FADT)
 */
struct fadt_descriptor_rev2 {
	ACPI_TABLE_HEADER_DEF	/* ACPI common table header */
	FADT_REV2_COMMON u8 reserved2;	/* Reserved, must be zero */

	/* 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 */

struct fadt_descriptor_rev2_minus {
	ACPI_TABLE_HEADER_DEF	/* ACPI common table header */
	FADT_REV2_COMMON u8 reserved2;	/* Reserved, must be zero */
	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 */
};

/* ECDT - Embedded Controller Boot Resources Table */

struct ec_boot_resources {
	ACPI_TABLE_HEADER_DEF struct acpi_generic_address ec_control;	/* Address of EC command/status register */
	struct acpi_generic_address ec_data;	/* Address of EC data register */
	u32 uid;		/* Unique ID - must be same as the EC _UID method */
	u8 gpe_bit;		/* The GPE for the EC */
	u8 ec_id[1];		/* Full namepath of the EC in the ACPI namespace */
};

/* SRAT - System Resource Affinity Table */

struct static_resource_alloc {
	u8 type;
	u8 length;
	u8 proximity_domain_lo;
	u8 apic_id;

	/* Flags (32 bits) */

	u8 enabled:1;		/* 00:    Use affinity structure */
	 u8:7;			/* 01-07: Reserved, must be zero */
	u8 reserved3[3];	/* 08-31: Reserved, must be zero */

	u8 local_sapic_eid;
	u8 proximity_domain_hi[3];
	u32 reserved4;		/* Reserved, must be zero */
};

struct memory_affinity {
	u8 type;
	u8 length;
	u32 proximity_domain;
	u16 reserved3;
	u64 base_address;
	u64 address_length;
	u32 reserved4;

	/* Flags (32 bits) */

	u8 enabled:1;		/* 00:    Use affinity structure */
	u8 hot_pluggable:1;	/* 01:    Memory region is hot pluggable */
	u8 non_volatile:1;	/* 02:    Memory is non-volatile */
	 u8:5;			/* 03-07: Reserved, must be zero */
	u8 reserved5[3];	/* 08-31: Reserved, must be zero */

	u64 reserved6;		/* Reserved, must be zero */
};

struct system_resource_affinity {
	ACPI_TABLE_HEADER_DEF u32 reserved1;	/* Must be value '1' */
	u64 reserved2;		/* Reserved, must be zero */
};

/* SLIT - System Locality Distance Information Table */

struct system_locality_info {
	ACPI_TABLE_HEADER_DEF u64 locality_count;
	u8 entry[1][1];
};

#pragma pack()

#endif				/* __ACTBL2_H__ */