1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 
 
 
 
 
 
 
 
 3 *
 4 * Copyright (C) 2012 ARM Limited
 5 */
 6
 7#ifndef __ASM_ARM_PSCI_H
 8#define __ASM_ARM_PSCI_H
 9
10extern const struct smp_operations psci_smp_ops;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
11
12#if defined(CONFIG_SMP) && defined(CONFIG_ARM_PSCI)
 
13bool psci_smp_available(void);
14#else
 
15static inline bool psci_smp_available(void) { return false; }
16#endif
17
18#endif /* __ASM_ARM_PSCI_H */

 
 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
20struct psci_power_state {
21	u16	id;
22	u8	type;
23	u8	affinity_level;
24};
25
26struct 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);
32};
33
34extern struct psci_operations psci_ops;
35extern struct smp_operations psci_smp_ops;
36
37#ifdef CONFIG_ARM_PSCI
38void psci_init(void);
39bool psci_smp_available(void);
40#else
41static inline void psci_init(void) { }
42static inline bool psci_smp_available(void) { return false; }
43#endif
44
45#endif /* __ASM_ARM_PSCI_H */