LXR linux/arch/powerpc/include/asm/fsl

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * Support Power Management
   4 *
   5 * Copyright 2014-2015 Freescale Semiconductor Inc.
   6 */
   7#ifndef __PPC_FSL_PM_H
   8#define __PPC_FSL_PM_H
   9
  10#define E500_PM_PH10    1
  11#define E500_PM_PH15    2
  12#define E500_PM_PH20    3
  13#define E500_PM_PH30    4
  14#define E500_PM_DOZE    E500_PM_PH10
  15#define E500_PM_NAP     E500_PM_PH15
  16
  17#define PLAT_PM_SLEEP   20
  18#define PLAT_PM_LPM20   30
  19
  20#define FSL_PM_SLEEP            (1 << 0)
  21#define FSL_PM_DEEP_SLEEP       (1 << 1)
  22
  23struct fsl_pm_ops {
  24        /* mask pending interrupts to the RCPM from MPIC */
  25        void (*irq_mask)(int cpu);
  26
  27        /* unmask pending interrupts to the RCPM from MPIC */
  28        void (*irq_unmask)(int cpu);
  29        void (*cpu_enter_state)(int cpu, int state);
  30        void (*cpu_exit_state)(int cpu, int state);
  31        void (*cpu_up_prepare)(int cpu);
  32        void (*cpu_die)(int cpu);
  33        int (*plat_enter_sleep)(void);
  34        void (*freeze_time_base)(bool freeze);
  35
  36        /* keep the power of IP blocks during sleep/deep sleep */
  37        void (*set_ip_power)(bool enable, u32 mask);
  38
  39        /* get platform supported power management modes */
  40        unsigned int (*get_pm_modes)(void);
  41};
  42
  43extern const struct fsl_pm_ops *qoriq_pm_ops;
  44
  45int __init fsl_rcpm_init(void);
  46
  47#endif /* __PPC_FSL_PM_H */
  48