[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / include / linux / psci.h

/*
 * 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_CUSTOMIZED_INDEX		(1 << 7)
#define PSCI_CLUSTER_SLEEP		(PSCI_CUSTOMIZED_INDEX)
#define PSCI_SYSTEM_IDLE		(1 << 8)
#define PSCI_CP_CALL			(1 << 9)
#define PSCI_SYSTEM_SLEEP		(1 << 10)

#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 */
Commit	Line	Data
bff60792 MR	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) 2015 ARM Limited
	12	*/
	13
	14	#ifndef __LINUX_PSCI_H
	15	#define __LINUX_PSCI_H
	16
	17	#include <linux/init.h>
	18	#include <linux/types.h>
	19
7a190318 PB	20	#define PSCI_CUSTOMIZED_INDEX (1 << 7)
	21	#define PSCI_CLUSTER_SLEEP (PSCI_CUSTOMIZED_INDEX)
	22	#define PSCI_SYSTEM_IDLE (1 << 8)
	23	#define PSCI_CP_CALL (1 << 9)
	24	#define PSCI_SYSTEM_SLEEP (1 << 10)
beeca32d	25
bff60792 MR	26	#define PSCI_POWER_STATE_TYPE_STANDBY 0
	27	#define PSCI_POWER_STATE_TYPE_POWER_DOWN 1
	28
	29	bool psci_tos_resident_on(int cpu);
	30
8b6f2499 LP	31	int psci_cpu_init_idle(unsigned int cpu);
	32	int psci_cpu_suspend_enter(unsigned long index);
	33
906a9f39 MZ	34	enum psci_conduit {
	35	PSCI_CONDUIT_NONE,
	36	PSCI_CONDUIT_SMC,
	37	PSCI_CONDUIT_HVC,
	38	};
	39
908ad7a1 MZ	40	enum smccc_version {
	41	SMCCC_VERSION_1_0,
	42	SMCCC_VERSION_1_1,
	43	};
	44
bff60792	45	struct psci_operations {
f91f1907	46	u32 (*get_version)(void);
bff60792 MR	47	int (*cpu_suspend)(u32 state, unsigned long entry_point);
	48	int (*cpu_off)(u32 state);
	49	int (*cpu_on)(unsigned long cpuid, unsigned long entry_point);
	50	int (*migrate)(unsigned long cpuid);
	51	int (*affinity_info)(unsigned long target_affinity,
	52	unsigned long lowest_affinity_level);
	53	int (*migrate_info_type)(void);
906a9f39	54	enum psci_conduit conduit;
908ad7a1	55	enum smccc_version smccc_version;
bff60792 MR	56	};
	57
	58	extern struct psci_operations psci_ops;
	59
	60	#if defined(CONFIG_ARM_PSCI_FW)
	61	int __init psci_dt_init(void);
	62	#else
	63	static inline int psci_dt_init(void) { return 0; }
	64	#endif
	65
	66	#if defined(CONFIG_ARM_PSCI_FW) && defined(CONFIG_ACPI)
	67	int __init psci_acpi_init(void);
	68	bool __init acpi_psci_present(void);
	69	bool __init acpi_psci_use_hvc(void);
	70	#else
	71	static inline int psci_acpi_init(void) { return 0; }
	72	static inline bool acpi_psci_present(void) { return false; }
	73	#endif
	74
	75	#endif /* __LINUX_PSCI_H */