1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2017 Rockchip Electronics Co., Ltd 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef SUSPEND_H 8*4882a593Smuzhiyun #define SUSPEND_H 9*4882a593Smuzhiyun #include <common.h> 10*4882a593Smuzhiyun #include <asm-generic/global_data.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* suspend/resume core functions */ 13*4882a593Smuzhiyun void cpu_suspend_save(struct pm_ctx *ptr, unsigned long sp); 14*4882a593Smuzhiyun void cpu_do_suspend(unsigned long *ptr); 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun void cpu_resume(void); 17*4882a593Smuzhiyun void cpu_do_resume(void); 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* 20*4882a593Smuzhiyun * Exported to platform suspend, arg will be passed to fn as r0 21*4882a593Smuzhiyun * Return value: 0 - cpu resumed from suspended state. 22*4882a593Smuzhiyun * -1 - cpu not suspended. 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)); 25*4882a593Smuzhiyun #endif 26