1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * linux/arch/unicore/include/mach/pm.h
4  *
5  * Code specific to PKUnity SoC and UniCore ISA
6  *
7  * Copyright (C) 2001-2010 GUAN Xue-tao
8  */
9 #ifndef __PUV3_PM_H__
10 #define __PUV3_PM_H__
11 
12 #include <linux/suspend.h>
13 
14 struct puv3_cpu_pm_fns {
15 	int	save_count;
16 	void	(*save)(unsigned long *);
17 	void	(*restore)(unsigned long *);
18 	int	(*valid)(suspend_state_t state);
19 	void	(*enter)(suspend_state_t state);
20 	int	(*prepare)(void);
21 	void	(*finish)(void);
22 };
23 
24 extern struct puv3_cpu_pm_fns *puv3_cpu_pm_fns;
25 
26 /* sleep.S */
27 extern void puv3_cpu_suspend(unsigned int);
28 
29 extern void puv3_cpu_resume(void);
30 
31 extern int puv3_pm_enter(suspend_state_t state);
32 
33 /* Defined in hibernate_asm.S */
34 extern int restore_image(pgd_t *resume_pg_dir, struct pbe *restore_pblist);
35 
36 extern struct pbe *restore_pblist;
37 #endif
38