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2bdd424f WD |
1 | /* |
2 | * This program is free software; you can redistribute it and/or modify | |
3 | * it under the terms of the GNU General Public License version 2 as | |
4 | * published by the Free Software Foundation. | |
5 | * | |
6 | * This program is distributed in the hope that it will be useful, | |
7 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
8 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
9 | * GNU General Public License for more details. | |
10 | * | |
11 | * Copyright (C) 2012 ARM Limited | |
12 | */ | |
13 | ||
14 | #ifndef __ASM_ARM_PSCI_H | |
15 | #define __ASM_ARM_PSCI_H | |
16 | ||
17 | #define PSCI_POWER_STATE_TYPE_STANDBY 0 | |
18 | #define PSCI_POWER_STATE_TYPE_POWER_DOWN 1 | |
19 | ||
20 | struct psci_power_state { | |
21 | u16 id; | |
22 | u8 type; | |
23 | u8 affinity_level; | |
24 | }; | |
25 | ||
26 | struct psci_operations { | |
27 | int (*cpu_suspend)(struct psci_power_state state, | |
28 | unsigned long entry_point); | |
29 | int (*cpu_off)(struct psci_power_state state); | |
30 | int (*cpu_on)(unsigned long cpuid, unsigned long entry_point); | |
31 | int (*migrate)(unsigned long cpuid); | |
e71246a2 AC |
32 | int (*affinity_info)(unsigned long target_affinity, |
33 | unsigned long lowest_affinity_level); | |
34 | int (*migrate_info_type)(void); | |
2bdd424f WD |
35 | }; |
36 | ||
37 | extern struct psci_operations psci_ops; | |
05774088 SS |
38 | extern struct smp_operations psci_smp_ops; |
39 | ||
40 | #ifdef CONFIG_ARM_PSCI | |
e71246a2 | 41 | int psci_init(void); |
05774088 SS |
42 | bool psci_smp_available(void); |
43 | #else | |
d6d7a95c | 44 | static inline int psci_init(void) { return 0; } |
05774088 SS |
45 | static inline bool psci_smp_available(void) { return false; } |
46 | #endif | |
2bdd424f WD |
47 | |
48 | #endif /* __ASM_ARM_PSCI_H */ |