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/*
* Copyright Samsung Electronics Co.,LTD.
* 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.
*/
#ifndef __HARDWARE_EXYNOS_ACRYLIC_DEVICE_H__
#define __HARDWARE_EXYNOS_ACRYLIC_DEVICE_H__
#include <string>
class AcrylicDevice {
public:
AcrylicDevice(const char *path);
virtual ~AcrylicDevice();
int ioctl(int cmd, void *arg);
private:
bool open();
std::string mDevPath;
int mDevFD;
};
#define MAX_DEVICE_FD 3
class AcrylicRedundantDevice {
public:
AcrylicRedundantDevice(const char *path);
~AcrylicRedundantDevice();
int ioctl_unique(int cmd, void *arg);
int ioctl_current(int cmd, void *arg);
int ioctl_broadcast(int cmd, void *arg);
int ioctl_single(int cmd, void *arg) {
int ret = ioctl_current(cmd, arg);
mFdIdx++;
mFdIdx = mFdIdx % MAX_DEVICE_FD;
return ret;
}
private:
bool open();
std:: string mDevPath;
int mDevFd[MAX_DEVICE_FD];
int mFdIdx;
};
#endif //__HARDWARE_EXYNOS_ACRYLIC_DEVICE_H__
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