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/inc/variant.h>
20 #include <plat/inc/gpio.h>
21 #include <seos.h>
22 #include <platform.h>
23 #include <plat/inc/plat.h>
24 
25 static struct Gpio *apIntWkup;
26 #ifdef AP_INT_NONWAKEUP
27 static struct Gpio *apIntNonWkup;
28 #endif
29 
apIntInit()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 
apIntSet(bool wakeup)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 
apIntClear(bool wakeup)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