Commit | Line | Data |
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1802d0be | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
bff60792 | 2 | /* |
bff60792 MR |
3 | * |
4 | * Copyright (C) 2015 ARM Limited | |
5 | */ | |
6 | ||
7 | #ifndef __LINUX_PSCI_H | |
8 | #define __LINUX_PSCI_H | |
9 | ||
a5520eac | 10 | #include <linux/arm-smccc.h> |
bff60792 MR |
11 | #include <linux/init.h> |
12 | #include <linux/types.h> | |
13 | ||
14 | #define PSCI_POWER_STATE_TYPE_STANDBY 0 | |
15 | #define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 | |
16 | ||
17 | bool psci_tos_resident_on(int cpu); | |
18 | ||
9ffeb6d0 LP |
19 | int psci_cpu_suspend_enter(u32 state); |
20 | bool psci_power_state_is_valid(u32 state); | |
10942019 | 21 | int psci_set_osi_mode(bool enable); |
49fdcd75 | 22 | bool psci_has_osi_support(void); |
8b6f2499 | 23 | |
bff60792 | 24 | struct psci_operations { |
d68e3ba5 | 25 | u32 (*get_version)(void); |
bff60792 MR |
26 | int (*cpu_suspend)(u32 state, unsigned long entry_point); |
27 | int (*cpu_off)(u32 state); | |
28 | int (*cpu_on)(unsigned long cpuid, unsigned long entry_point); | |
29 | int (*migrate)(unsigned long cpuid); | |
30 | int (*affinity_info)(unsigned long target_affinity, | |
31 | unsigned long lowest_affinity_level); | |
32 | int (*migrate_info_type)(void); | |
33 | }; | |
34 | ||
35 | extern struct psci_operations psci_ops; | |
36 | ||
6df3e144 DB |
37 | struct psci_0_1_function_ids { |
38 | u32 cpu_suspend; | |
39 | u32 cpu_on; | |
40 | u32 cpu_off; | |
41 | u32 migrate; | |
42 | }; | |
43 | ||
44 | struct psci_0_1_function_ids get_psci_0_1_function_ids(void); | |
45 | ||
bff60792 MR |
46 | #if defined(CONFIG_ARM_PSCI_FW) |
47 | int __init psci_dt_init(void); | |
48 | #else | |
49 | static inline int psci_dt_init(void) { return 0; } | |
50 | #endif | |
51 | ||
52 | #if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI) | |
53 | int __init psci_acpi_init(void); | |
54 | bool __init acpi_psci_present(void); | |
fa31ab77 | 55 | bool acpi_psci_use_hvc(void); |
bff60792 MR |
56 | #else |
57 | static inline int psci_acpi_init(void) { return 0; } | |
58 | static inline bool acpi_psci_present(void) { return false; } | |
fa31ab77 | 59 | static inline bool acpi_psci_use_hvc(void) {return false; } |
bff60792 MR |
60 | #endif |
61 | ||
62 | #endif /* __LINUX_PSCI_H */ |