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/*
* driver.h - ACPI driver
*
* Copyright (C) 2000 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 __DRIVER_H
#define __DRIVER_H
#include <linux/tqueue.h>
#include <linux/wait.h>
#include <linux/pm.h>
#include <linux/acpi.h>
#include <asm/io.h>
#define ACPI_MAX_THROTTLE 10
#define ACPI_INVALID ~0UL
#define ACPI_INFINITE ~0UL
/*
* cpu.c
*/
int acpi_cpu_init(void);
extern unsigned long acpi_c2_exit_latency;
extern unsigned long acpi_c3_exit_latency;
extern unsigned long acpi_c2_enter_latency;
extern unsigned long acpi_c3_enter_latency;
/*
* driver.c
*/
int acpi_run(void (*callback)(void*), void *context);
/*
* ec.c
*/
int acpi_ec_init(void);
int acpi_ec_read(int addr, int *value);
int acpi_ec_write(int addr, int value);
/*
* sys.c
*/
int acpi_sys_init(void);
int acpi_enter_sx(acpi_sstate_t state);
extern volatile acpi_sstate_t acpi_sleep_state;
/*
* tables.c
*/
extern struct acpi_facp acpi_facp;
int acpi_load_tables(void);
/*
* access ACPI registers
*/
extern inline u32
acpi_read_pm1_control(struct acpi_facp *facp)
{
u32 value = 0;
if (facp->pm1a_cnt)
value = inw(facp->pm1a_cnt);
if (facp->pm1b_cnt)
value |= inw(facp->pm1b_cnt);
return value;
}
extern inline void
acpi_write_pm1_control(struct acpi_facp *facp, u32 value)
{
if (facp->pm1a_cnt)
outw(value, facp->pm1a_cnt);
if (facp->pm1b_cnt)
outw(value, facp->pm1b_cnt);
}
extern inline u32
acpi_read_pm1_status(struct acpi_facp *facp)
{
u32 value = 0;
if (facp->pm1a_evt)
value = inw(facp->pm1a_evt);
if (facp->pm1b_evt)
value |= inw(facp->pm1b_evt);
return value;
}
extern inline void
acpi_write_pm1_status(struct acpi_facp *facp, u32 value)
{
if (facp->pm1a_evt)
outw(value, facp->pm1a_evt);
if (facp->pm1b_evt)
outw(value, facp->pm1b_evt);
}
#endif /* __DRIVER_H */
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