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/*
* acpi.h - ACPI driver interface
*
* Copyright (C) 1999 Andrew Henroid
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _LINUX_ACPI_H
#define _LINUX_ACPI_H
#include <linux/types.h>
#include <linux/ioctl.h>
#ifdef __KERNEL__
#include <linux/sched.h>
#include <linux/wait.h>
#endif /* __KERNEL__ */
typedef int acpi_sstate_t;
/*
* Device states
*/
enum
{
ACPI_D0, /* fully-on */
ACPI_D1, /* partial-on */
ACPI_D2, /* partial-on */
ACPI_D3, /* fully-off */
};
typedef int acpi_dstate_t;
/* RSDP location */
#define ACPI_BIOS_ROM_BASE (0x0e0000)
#define ACPI_BIOS_ROM_END (0x100000)
/* Table signatures */
#define ACPI_RSDP1_SIG 0x20445352 /* 'RSD ' */
#define ACPI_RSDP2_SIG 0x20525450 /* 'PTR ' */
#define ACPI_RSDT_SIG 0x54445352 /* 'RSDT' */
#define ACPI_FADT_SIG 0x50434146 /* 'FACP' */
#define ACPI_DSDT_SIG 0x54445344 /* 'DSDT' */
#define ACPI_FACS_SIG 0x53434146 /* 'FACS' */
#define ACPI_SIG_LEN 4
#define ACPI_FADT_SIGNATURE "FACP"
/* PM1_STS/EN flags */
#define ACPI_TMR 0x0001
#define ACPI_BM 0x0010
#define ACPI_GBL 0x0020
#define ACPI_PWRBTN 0x0100
#define ACPI_SLPBTN 0x0200
#define ACPI_RTC 0x0400
#define ACPI_WAK 0x8000
/* PM1_CNT flags */
#define ACPI_SCI_EN 0x0001
#define ACPI_BM_RLD 0x0002
#define ACPI_GBL_RLS 0x0004
#define ACPI_SLP_TYP0 0x0400
#define ACPI_SLP_TYP1 0x0800
#define ACPI_SLP_TYP2 0x1000
#define ACPI_SLP_EN 0x2000
#define ACPI_SLP_TYP_MASK 0x1c00
#define ACPI_SLP_TYP_SHIFT 10
/* PM_TMR masks */
#define ACPI_TMR_VAL_EXT 0x00000100
#define ACPI_TMR_MASK 0x00ffffff
#define ACPI_TMR_HZ 3580000 /* 3.58 MHz */
/* strangess to avoid integer overflow */
#define ACPI_MICROSEC_TO_TMR_TICKS(val) \
(((val) * (ACPI_TMR_HZ / 10000)) / 100)
#define ACPI_TMR_TICKS_TO_MICROSEC(ticks) \
(((ticks) * 100) / (ACPI_TMR_HZ / 10000))
/* PM2_CNT flags */
#define ACPI_ARB_DIS 0x01
/* FADT flags */
#define ACPI_WBINVD 0x00000001
#define ACPI_WBINVD_FLUSH 0x00000002
#define ACPI_PROC_C1 0x00000004
#define ACPI_P_LVL2_UP 0x00000008
#define ACPI_PWR_BUTTON 0x00000010
#define ACPI_SLP_BUTTON 0x00000020
#define ACPI_FIX_RTC 0x00000040
#define ACPI_RTC_64 0x00000080
#define ACPI_TMR_VAL_EXT 0x00000100
#define ACPI_DCK_CAP 0x00000200
/* FADT BOOT_ARCH flags */
#define FADT_BOOT_ARCH_LEGACY_DEVICES 0x0001
#define FADT_BOOT_ARCH_KBD_CONTROLLER 0x0002
/* FACS flags */
#define ACPI_S4BIOS 0x00000001
/* processor block offsets */
#define ACPI_P_CNT 0x00000000
#define ACPI_P_LVL2 0x00000004
#define ACPI_P_LVL3 0x00000005
/* C-state latencies (microseconds) */
#define ACPI_MAX_P_LVL2_LAT 100
#define ACPI_MAX_P_LVL3_LAT 1000
#define ACPI_INFINITE_LAT (~0UL)
/*
* Sysctl declarations
*/
enum
{
CTL_ACPI = 10
};
enum
{
ACPI_FADT = 1,
ACPI_DSDT,
ACPI_PM1_ENABLE,
ACPI_GPE_ENABLE,
ACPI_GPE_LEVEL,
ACPI_EVENT,
ACPI_P_BLK,
ACPI_ENTER_LVL2_LAT,
ACPI_ENTER_LVL3_LAT,
ACPI_P_LVL2_LAT,
ACPI_P_LVL3_LAT,
ACPI_C1_TIME,
ACPI_C2_TIME,
ACPI_C3_TIME,
ACPI_S0_SLP_TYP,
ACPI_S1_SLP_TYP,
ACPI_S5_SLP_TYP,
ACPI_SLEEP,
ACPI_FACS,
ACPI_XSDT,
ACPI_PMTIMER,
ACPI_BATTERY,
};
#define ACPI_SLP_TYP_DISABLED (~0UL)
#endif /* _LINUX_ACPI_H */
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