acpi.h
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上传日期:2013-04-10
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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__ */
- /*
- * Device states
- */
- typedef enum {
- ACPI_D0, /* fully-on */
- ACPI_D1, /* partial-on */
- ACPI_D2, /* partial-on */
- ACPI_D3, /* fully-off */
- } acpi_dstate_t;
- typedef enum {
- ACPI_S0, /* working state */
- ACPI_S1, /* power-on suspend */
- ACPI_S2, /* suspend to ram, with devices */
- ACPI_S3, /* suspend to ram */
- ACPI_S4, /* suspend to disk */
- ACPI_S5, /* soft-off */
- } acpi_sstate_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 3579545 /* 3.58 MHz */
- #define ACPI_TMR_KHZ (ACPI_TMR_HZ / 1000)
- #define ACPI_MICROSEC_TO_TMR_TICKS(val)
- (((val) * (ACPI_TMR_KHZ)) / 1000)
- /* 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_C1_COUNT,
- ACPI_C2_COUNT,
- ACPI_C3_COUNT,
- ACPI_S0_SLP_TYP,
- ACPI_S1_SLP_TYP,
- ACPI_S5_SLP_TYP,
- ACPI_SLEEP,
- ACPI_FACS,
- ACPI_XSDT,
- ACPI_PMTIMER,
- ACPI_BATT,
- };
- #define ACPI_SLP_TYP_DISABLED (~0UL)
- #ifdef __KERNEL__
- /* routines for saving/restoring kernel state */
- FASTCALL(extern unsigned long acpi_save_state_mem(unsigned long return_point));
- FASTCALL(extern int acpi_save_state_disk(unsigned long return_point));
- extern void acpi_restore_state(void);
- extern unsigned long acpi_wakeup_address;
- #endif /* __KERNEL__ */
- int acpi_init(void);
- #endif /* _LINUX_ACPI_H */