linux/include/linux/psci.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *
 * Copyright (C) 2015 ARM Limited
 */

#ifndef __LINUX_PSCI_H
#define __LINUX_PSCI_H

#include <linux/arm-smccc.h>
#include <linux/init.h>
#include <linux/types.h>

#define PSCI_POWER_STATE_TYPE_STANDBY
#define PSCI_POWER_STATE_TYPE_POWER_DOWN

bool psci_tos_resident_on(int cpu);

int psci_cpu_suspend_enter(u32 state);
bool psci_power_state_is_valid(u32 state);
int psci_set_osi_mode(bool enable);
bool psci_has_osi_support(void);

struct psci_operations {};

extern struct psci_operations psci_ops;

struct psci_0_1_function_ids {};

struct psci_0_1_function_ids get_psci_0_1_function_ids(void);

#if defined(CONFIG_ARM_PSCI_FW)
int __init psci_dt_init(void);
#else
static inline int psci_dt_init(void) {}
#endif

#if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI)
int __init psci_acpi_init(void);
bool __init acpi_psci_present(void);
bool acpi_psci_use_hvc(void);
#else
static inline int psci_acpi_init(void) {}
static inline bool acpi_psci_present(void) {}
static inline bool acpi_psci_use_hvc(void) {}
#endif

#endif /* __LINUX_PSCI_H */