60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
|
|
* 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__
|