1 /* 2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef _LINUX_SUSPEND_H 16 #define _LINUX_SUSPEND_H 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif /* __cplusplus */ 21 22 typedef int suspend_state_t; 23 24 #define PM_SUSPEND_ON ((suspend_state_t)0) 25 #define PM_SUSPEND_FREEZE ((suspend_state_t)1) 26 #define PM_SUSPEND_STANDBY ((suspend_state_t)2) 27 #define PM_SUSPEND_MEM ((suspend_state_t)3) 28 #define PM_SUSPEND_MIN PM_SUSPEND_FREEZE 29 #define PM_SUSPEND_MAX ((suspend_state_t)4) 30 31 int pm_suspend(suspend_state_t state); 32 void pm_resume(void); 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif /* __cplusplus */ 37 38 #endif 39