satip-axe/kernel/include/linux/hom.h

47 lines
1.1 KiB
C
Raw Normal View History

/*
* hom.h - Hibernation on memory interface
*
* Copyright (C) 2010 STMicroelectronics
* Author: Francesco M. Virlinzi <francesco.virlinzi@st.com>
*
*/
#ifndef __LINUX_HOM__
#define __LINUX_HOM__
/**
*
* struct platform_hom_ops
*
* @begin: called __before__ the device are frozen
* @prepare: called __after__ the device are frozen but before the
* core (cpu + Dram) are frozen
* @enter: this function does __all__ the CPU + DRAM job
* the system returns when __resumed__
* @complete: called when the ente returns but before the devices are
* resumed
* @end: called when the devices are resumed
*/
struct platform_hom_ops {
int (*begin)(void);
int (*prepare)(void);
int (*enter)(void);
int (*complete)(void);
int (*end)(void);
};
#ifdef CONFIG_HIBERNATION_ON_MEMORY
int hom_set_ops(struct platform_hom_ops *hom_ops);
int hibernate_on_memory(void);
#else
static inline int hom_set_ops(struct platform_hom_ops *hom_ops) { return 0; }
static inline int hibernate_on_memory(void) { return 0; }
#endif /* CONFIG_HIBERNATION_ON_MEMORY */
#endif /* __LINUX_HOM____ */