arch/powerpc/include/asm/fsl_pm.h

   1 /*
   2  * Support Power Management
   3  *
   4  * Copyright 2014-2015 Freescale Semiconductor Inc.
   5  *
   6  * This program is free software; you can redistribute  it and/or modify it
   7  * under  the terms of  the GNU General  Public License as published by the
   8  * Free Software Foundation;  either version 2 of the  License, or (at your
   9  * option) any later version.
  10  */
  11 #ifndef __PPC_FSL_PM_H
  12 #define __PPC_FSL_PM_H
  13
  14 #define E500_PM_PH10    1
  15 #define E500_PM_PH15    2
  16 #define E500_PM_PH20    3
  17 #define E500_PM_PH30    4
  18 #define E500_PM_DOZE    E500_PM_PH10
  19 #define E500_PM_NAP     E500_PM_PH15
  20
  21 #define PLAT_PM_SLEEP   20
  22 #define PLAT_PM_LPM20   30
  23
  24 #define FSL_PM_SLEEP            (1 << 0)
  25 #define FSL_PM_DEEP_SLEEP       (1 << 1)
  26
  27 struct fsl_pm_ops {
  28         /* mask pending interrupts to the RCPM from MPIC */
  29         void (*irq_mask)(int cpu);
  30
  31         /* unmask pending interrupts to the RCPM from MPIC */
  32         void (*irq_unmask)(int cpu);
  33         void (*cpu_enter_state)(int cpu, int state);
  34         void (*cpu_exit_state)(int cpu, int state);
  35         void (*cpu_up_prepare)(int cpu);
  36         void (*cpu_die)(int cpu);
  37         int (*plat_enter_sleep)(void);
  38         void (*freeze_time_base)(bool freeze);
  39
  40         /* keep the power of IP blocks during sleep/deep sleep */
  41         void (*set_ip_power)(bool enable, u32 mask);
  42
  43         /* get platform supported power management modes */
  44         unsigned int (*get_pm_modes)(void);
  45 };
  46
  47 extern const struct fsl_pm_ops *qoriq_pm_ops;
  48
  49 int __init fsl_rcpm_init(void);
  50
  51 #endif /* __PPC_FSL_PM_H */