Home | History | Annotate | Download | only in stm32
      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <apInt.h>
     18 #include <gpio.h>
     19 #include <variant/variant.h>
     20 #include <plat/gpio.h>
     21 #include <seos.h>
     22 #include <platform.h>
     23 #include <plat/plat.h>
     24 
     25 static struct Gpio *apIntWkup;
     26 #ifdef AP_INT_NONWAKEUP
     27 static struct Gpio *apIntNonWkup;
     28 #endif
     29 
     30 void apIntInit()
     31 {
     32     apIntWkup = gpioRequest(AP_INT_WAKEUP);
     33     gpioConfigOutput(apIntWkup, GPIO_SPEED_LOW, GPIO_PULL_NONE, GPIO_OUT_PUSH_PULL, 1);
     34 
     35 #ifdef AP_INT_NONWAKEUP
     36     apIntNonWkup = gpioRequest(AP_INT_NONWAKEUP);
     37     gpioConfigOutput(apIntNonWkup, GPIO_SPEED_LOW, GPIO_PULL_NONE, GPIO_OUT_PUSH_PULL, 1);
     38 #endif
     39 }
     40 
     41 void apIntSet(bool wakeup)
     42 {
     43     if (wakeup) {
     44         platRequestDevInSleepMode(Stm32sleepWakeup, 12);
     45         gpioSet(apIntWkup, 0);
     46     }
     47 #ifdef AP_INT_NONWAKEUP
     48     else
     49         gpioSet(apIntNonWkup, 0);
     50 #endif
     51 }
     52 
     53 void apIntClear(bool wakeup)
     54 {
     55     if (wakeup) {
     56         platReleaseDevInSleepMode(Stm32sleepWakeup);
     57         gpioSet(apIntWkup, 1);
     58     }
     59 #ifdef AP_INT_NONWAKEUP
     60     else
     61         gpioSet(apIntNonWkup, 1);
     62 #endif
     63 }
     64