/* * 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) 2015 ARM Limited */ #ifndef __LINUX_PSCI_H #define __LINUX_PSCI_H #include <linux/init.h> #include <linux/types.h> #define PSCI_POWER_STATE_TYPE_STANDBY 0 #define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 bool psci_tos_resident_on(int cpu); int psci_cpu_init_idle(unsigned int cpu); int psci_cpu_suspend_enter(unsigned long index); struct psci_operations { int (*cpu_suspend)(u32 state, unsigned long entry_point); int (*cpu_off)(u32 state); int (*cpu_on)(unsigned long cpuid, unsigned long entry_point); int (*migrate)(unsigned long cpuid); int (*affinity_info)(unsigned long target_affinity, unsigned long lowest_affinity_level); int (*migrate_info_type)(void); }; extern struct psci_operations psci_ops; #if defined([31mCONFIG_ARM_PSCI_FW[0m) int __init psci_dt_init(void); #else static inline int psci_dt_init(void) { return 0; } #endif #if defined([31mCONFIG_ARM_PSCI_FW[0m) && defined([31mCONFIG_ACPI[0m) int __init psci_acpi_init(void); bool __init acpi_psci_present(void); bool __init acpi_psci_use_hvc(void); #else static inline int psci_acpi_init(void) { return 0; } static inline bool acpi_psci_present(void) { return false; } #endif #endif /* __LINUX_PSCI_H */ |