/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* Copyright (C) 2012 ARM Limited
*/

#ifndef __ASM_ARM_PSCI_H
#define __ASM_ARM_PSCI_H

#define PSCI_POWER_STATE_TYPE_STANDBY 0
#define PSCI_POWER_STATE_TYPE_POWER_DOWN 1

struct psci_power_state {
u16 id;
u8 type;
u8 affinity_level;
};

struct psci_operations {
int (*cpu_suspend)(struct psci_power_state state,
unsigned long entry_point);
int (*cpu_off)(struct psci_power_state state);
int (*cpu_on)(unsigned long cpuid, unsigned long entry_point);
int (*migrate)(unsigned long cpuid);
};

extern struct psci_operations psci_ops;
extern struct smp_operations psci_smp_ops;

#ifdef CONFIG_ARM_PSCI
void psci_init(void);
bool psci_smp_available(void);
#else
static inline void psci_init(void) { }
static inline bool psci_smp_available(void) { return false; }
#endif

#endif /* __ASM_ARM_PSCI_H */