include/asm/fsl_pm.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Support Power Management
0004  *
0005  * Copyright 2014-2015 Freescale Semiconductor Inc.
0006  */
0007 #ifndef __PPC_FSL_PM_H
0008 #define __PPC_FSL_PM_H
0009
0010 #define E500_PM_PH10    1
0011 #define E500_PM_PH15    2
0012 #define E500_PM_PH20    3
0013 #define E500_PM_PH30    4
0014 #define E500_PM_DOZE    E500_PM_PH10
0015 #define E500_PM_NAP E500_PM_PH15
0016
0017 #define PLAT_PM_SLEEP   20
0018 #define PLAT_PM_LPM20   30
0019
0020 #define FSL_PM_SLEEP        (1 << 0)
0021 #define FSL_PM_DEEP_SLEEP   (1 << 1)
0022
0023 struct fsl_pm_ops {
0024     /* mask pending interrupts to the RCPM from MPIC */
0025     void (*irq_mask)(int cpu);
0026
0027     /* unmask pending interrupts to the RCPM from MPIC */
0028     void (*irq_unmask)(int cpu);
0029     void (*cpu_enter_state)(int cpu, int state);
0030     void (*cpu_exit_state)(int cpu, int state);
0031     void (*cpu_up_prepare)(int cpu);
0032     void (*cpu_die)(int cpu);
0033     int (*plat_enter_sleep)(void);
0034     void (*freeze_time_base)(bool freeze);
0035
0036     /* keep the power of IP blocks during sleep/deep sleep */
0037     void (*set_ip_power)(bool enable, u32 mask);
0038
0039     /* get platform supported power management modes */
0040     unsigned int (*get_pm_modes)(void);
0041 };
0042
0043 extern const struct fsl_pm_ops *qoriq_pm_ops;
0044
0045 int __init fsl_rcpm_init(void);
0046
0047 #endif /* __PPC_FSL_PM_H */