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62 lines
1.5 KiB
62 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* |
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* Copyright (C) 2015 ARM Limited |
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*/ |
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#ifndef __LINUX_PSCI_H |
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#define __LINUX_PSCI_H |
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#include <linux/arm-smccc.h> |
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#include <linux/init.h> |
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#include <linux/types.h> |
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#define PSCI_POWER_STATE_TYPE_STANDBY 0 |
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#define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 |
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bool psci_tos_resident_on(int cpu); |
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int psci_cpu_suspend_enter(u32 state); |
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bool psci_power_state_is_valid(u32 state); |
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int psci_set_osi_mode(bool enable); |
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bool psci_has_osi_support(void); |
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struct psci_operations { |
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u32 (*get_version)(void); |
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int (*cpu_suspend)(u32 state, unsigned long entry_point); |
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int (*cpu_off)(u32 state); |
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int (*cpu_on)(unsigned long cpuid, unsigned long entry_point); |
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int (*migrate)(unsigned long cpuid); |
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int (*affinity_info)(unsigned long target_affinity, |
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unsigned long lowest_affinity_level); |
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int (*migrate_info_type)(void); |
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}; |
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extern struct psci_operations psci_ops; |
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struct psci_0_1_function_ids { |
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u32 cpu_suspend; |
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u32 cpu_on; |
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u32 cpu_off; |
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u32 migrate; |
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}; |
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struct psci_0_1_function_ids get_psci_0_1_function_ids(void); |
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#if defined(CONFIG_ARM_PSCI_FW) |
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int __init psci_dt_init(void); |
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#else |
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static inline int psci_dt_init(void) { return 0; } |
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#endif |
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#if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI) |
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int __init psci_acpi_init(void); |
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bool __init acpi_psci_present(void); |
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bool acpi_psci_use_hvc(void); |
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#else |
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static inline int psci_acpi_init(void) { return 0; } |
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static inline bool acpi_psci_present(void) { return false; } |
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static inline bool acpi_psci_use_hvc(void) {return false; } |
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#endif |
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#endif /* __LINUX_PSCI_H */
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