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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>
/* 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_FACP_SIG 0x50434146 /* 'FACP' */
#define ACPI_DSDT_SIG 0x54445344 /* 'DSDT' */
/* 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
/* PM_TMR masks */
#define ACPI_TMR_MASK 0x00ffffff
#define ACPI_TMR_HZ 3580000 /* 3.58 MHz */
/* strangess to avoid integer overflow */
#define ACPI_uS_TO_TMR_TICKS(val) \
(((val) * (ACPI_TMR_HZ / 10000)) / 100)
/* CPU cycles -> PM timer cycles, looks somewhat heuristic but
(ticks = 3/11 * CPU_MHz + 2) comes pretty close for my systems
*/
#define ACPI_CPU_TO_TMR_TICKS(cycles) \
((cycles) / (3 * (loops_per_sec + 2500) / 500000 / 11 + 2))
/* PM2_CNT flags */
#define ACPI_ARB_DIS 0x01
/* FACP 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
struct acpi_rsdp {
__u32 signature[2];
__u8 checksum;
__u8 oem[6];
__u8 reserved;
__u32 rsdt;
};
struct acpi_table {
__u32 signature;
__u32 length;
__u8 rev;
__u8 checksum;
__u8 oem[6];
__u8 oem_table[8];
__u32 oem_rev;
__u32 creator;
__u32 creator_rev;
};
struct acpi_facp {
struct acpi_table hdr;
__u32 facs;
__u32 dsdt;
__u8 int_model;
__u8 reserved;
__u16 sci_int;
__u32 smi_cmd;
__u8 acpi_enable;
__u8 acpi_disable;
__u8 s4bios_req;
__u8 reserved2;
__u32 pm1a_evt;
__u32 pm1b_evt;
__u32 pm1a_cnt;
__u32 pm1b_cnt;
__u32 pm2_cnt;
__u32 pm_tmr;
__u32 gpe0;
__u32 gpe1;
__u8 pm1_evt_len;
__u8 pm1_cnt_len;
__u8 pm2_cnt_len;
__u8 pm_tm_len;
__u8 gpe0_len;
__u8 gpe1_len;
__u8 gpe1_base;
__u8 reserved3;
__u16 p_lvl2_lat;
__u16 p_lvl3_lat;
__u16 flush_size;
__u16 flush_stride;
__u8 duty_offset;
__u8 duty_width;
__u8 day_alarm;
__u8 mon_alarm;
__u8 century;
__u8 reserved4;
__u8 reserved5;
__u8 reserved6;
__u32 flags;
};
/*
* Sysctl declarations
*/
enum
{
CTL_ACPI = 10
};
enum
{
ACPI_FACP = 1,
ACPI_DSDT,
ACPI_PM1_ENABLE,
ACPI_GPE_ENABLE,
ACPI_GPE_LEVEL,
ACPI_EVENT,
ACPI_P_LVL2,
ACPI_P_LVL3,
ACPI_P_LVL2_LAT,
ACPI_P_LVL3_LAT,
};
/*
* PIIX4-specific ACPI info (for systems with PIIX4 but no ACPI tables)
*/
#define ACPI_PIIX4_INT_MODEL 0x00
#define ACPI_PIIX4_SCI_INT 0x0009
#define ACPI_PIIX4_SMI_CMD 0x00b2
#define ACPI_PIIX4_ACPI_ENABLE 0xf0
#define ACPI_PIIX4_ACPI_DISABLE 0xf1
#define ACPI_PIIX4_S4BIOS_REQ 0xf2
#define ACPI_PIIX4_PM1_EVT 0x0000
#define ACPI_PIIX4_PM1_CNT 0x0004
#define ACPI_PIIX4_S0_MASK (0x0005 << 10)
#define ACPI_PIIX4_S1_MASK (0x0004 << 10)
#define ACPI_PIIX4_S2_MASK (0x0003 << 10)
#define ACPI_PIIX4_S3_MASK (0x0002 << 10)
#define ACPI_PIIX4_S4_MASK (0x0001 << 10)
#define ACPI_PIIX4_S5_MASK (0x0000 << 10)
#define ACPI_PIIX4_PM_TMR 0x0008
#define ACPI_PIIX4_GPE0 0x000c
#define ACPI_PIIX4_P_CNT 0x0010
#define ACPI_PIIX4_P_LVL2 0x0014
#define ACPI_PIIX4_P_LVL3 0x0015
#define ACPI_PIIX4_PM1_EVT_LEN 0x04
#define ACPI_PIIX4_PM1_CNT_LEN 0x02
#define ACPI_PIIX4_PM_TM_LEN 0x04
#define ACPI_PIIX4_GPE0_LEN 0x04
#define ACPI_PIIX4_PM2_CNT 0x0022
#define ACPI_PIIX4_PM2_CNT_LEN 0x01
#define ACPI_PIIX4_PMREGMISC 0x80
#define ACPI_PIIX4_PMIOSE 0x01
#ifdef __KERNEL__
extern void (*acpi_idle)(void);
#endif
#endif /* _LINUX_ACPI_H */
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