linux/linux-5.18.11/arch/powerpc/include/asm/fsl_pm.h

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2024-03-22 18:12:32 +00:00
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Support Power Management
*
* Copyright 2014-2015 Freescale Semiconductor Inc.
*/
#ifndef __PPC_FSL_PM_H
#define __PPC_FSL_PM_H
#define E500_PM_PH10 1
#define E500_PM_PH15 2
#define E500_PM_PH20 3
#define E500_PM_PH30 4
#define E500_PM_DOZE E500_PM_PH10
#define E500_PM_NAP E500_PM_PH15
#define PLAT_PM_SLEEP 20
#define PLAT_PM_LPM20 30
#define FSL_PM_SLEEP (1 << 0)
#define FSL_PM_DEEP_SLEEP (1 << 1)
struct fsl_pm_ops {
/* mask pending interrupts to the RCPM from MPIC */
void (*irq_mask)(int cpu);
/* unmask pending interrupts to the RCPM from MPIC */
void (*irq_unmask)(int cpu);
void (*cpu_enter_state)(int cpu, int state);
void (*cpu_exit_state)(int cpu, int state);
void (*cpu_up_prepare)(int cpu);
void (*cpu_die)(int cpu);
int (*plat_enter_sleep)(void);
void (*freeze_time_base)(bool freeze);
/* keep the power of IP blocks during sleep/deep sleep */
void (*set_ip_power)(bool enable, u32 mask);
/* get platform supported power management modes */
unsigned int (*get_pm_modes)(void);
};
extern const struct fsl_pm_ops *qoriq_pm_ops;
int __init fsl_rcpm_init(void);
#endif /* __PPC_FSL_PM_H */