arch/powerpc/include/asm/fsl_pm.h

   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
  23 struct 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
  43 extern const struct fsl_pm_ops *qoriq_pm_ops;
  44
  45 int __init fsl_rcpm_init(void);
  46
  47 #endif /* __PPC_FSL_PM_H */