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 */
48