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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Based on the HiKeyPowerHAL
*/
#include <pthread.h>
#include <semaphore.h>
#include <cutils/properties.h>
#define LOG_TAG "VSoCPowerHAL"
#include <utils/Log.h>
#include <hardware/hardware.h>
#include <hardware/power.h>
struct vsoc_power_module {
struct power_module base;
pthread_mutex_t lock;
};
static void vsoc_power_set_feature(struct power_module __unused *module,
feature_t __unused hint,
int __unused state) {
return;
}
static void vsoc_power_hint(struct power_module __unused *module,
power_hint_t __unused hint,
void __unused *data) {
return;
}
static void vsoc_power_set_interactive(struct power_module __unused *module,
int __unused on) {
return;
}
static void vsoc_power_init(struct power_module __unused *module) {
return;
}
/*
* The power module wasn't opened at all in versions prior to 'O'. The module
* pointer was reinterpretd as a device pointer. 'O' retains this behavior when
* open is set to NULL. This code is using that mode.
* For reference,
* 'O': hardware/interfaces/power/1.0/default/Power.cpp
* prior: frameworks/base/services/core/jni/com_android_server_power_PowerManagerService.cpp
*/
static struct hw_module_methods_t power_module_methods = {
.open = NULL
};
struct vsoc_power_module HAL_MODULE_INFO_SYM = {
.base = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = POWER_MODULE_API_VERSION_0_2,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = POWER_HARDWARE_MODULE_ID,
.name = "VSoC Power HAL",
.author = "The Android Open Source Project",
.methods = &power_module_methods,
},
.init = vsoc_power_init,
.setInteractive = vsoc_power_set_interactive,
.powerHint = vsoc_power_hint,
// Before L_MR1 we don't have setFeature
.setFeature = vsoc_power_set_feature,
},
.lock = PTHREAD_MUTEX_INITIALIZER,
};
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