You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
1.8 KiB
69 lines
1.8 KiB
/* |
|
* 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); |
|
|
|
enum psci_conduit { |
|
PSCI_CONDUIT_NONE, |
|
PSCI_CONDUIT_SMC, |
|
PSCI_CONDUIT_HVC, |
|
}; |
|
|
|
enum smccc_version { |
|
SMCCC_VERSION_1_0, |
|
SMCCC_VERSION_1_1, |
|
}; |
|
|
|
struct psci_operations { |
|
u32 (*get_version)(void); |
|
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); |
|
enum psci_conduit conduit; |
|
enum smccc_version smccc_version; |
|
}; |
|
|
|
extern struct psci_operations psci_ops; |
|
|
|
#if defined(CONFIG_ARM_PSCI_FW) |
|
int __init psci_dt_init(void); |
|
#else |
|
static inline int psci_dt_init(void) { return 0; } |
|
#endif |
|
|
|
#if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI) |
|
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 */
|
|
|