tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
27struct 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
47extern const struct fsl_pm_ops *qoriq_pm_ops;
48
49int __init fsl_rcpm_init(void);
50
51#endif /* __PPC_FSL_PM_H */