* Copyright (c) 2022 Huawei Device Co., Ltd.
* 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 UPDATER_UI_FBDEV_DRIVER_H
#define UPDATER_UI_FBDEV_DRIVER_H
#include <cstdint>
#include <linux/fb.h>
#include <string>
#include "graphic_drv.h"
#include "macros_updater.h"
#include "updater_ui_const.h"
namespace Updater {
struct FbBufferObject {
uint32_t width {};
uint32_t height {};
uint32_t size {};
void *vaddr {};
};
typedef enum ConnectType {
CONNECT = 1,
DISCONNECT,
CONNECT_MAX_NUM
} CONNECT_TYPE;
class FbdevDriver : public GraphicDrv {
DISALLOW_COPY_MOVE(FbdevDriver);
using FbBlankHook = std::function<void(int, bool)>;
using FbBrightnessHook = std::function<void(const std::string &devPath, bool blank)>;
public:
FbdevDriver() = default;
~FbdevDriver() override;
bool Init() override;
void Flip(const uint8_t *buf) override;
void GetGrSurface(GrSurface &surface) override;
void Blank(bool blank) override;
void Exit(void) override;
static void SetDevPath(const std::string &devPath);
static void RegisterBlankHook(FbBlankHook blankHook);
static void RegisterBrightnessHook(FbBrightnessHook brightness);
private:
void FBLog() const;
void ReleaseFb(const struct FbBufferObject *fbo);
struct FbBufferObject buff_ {};
struct fb_fix_screeninfo finfo_ {};
struct fb_var_screeninfo vinfo_ {};
bool FbPowerContrl(int fd, bool powerOn);
static inline std::string devPath_ = FB_DEV_PATH;
static inline FbBlankHook blankHook_ {};
static inline FbBrightnessHook brightnessHook_ {};
};
}
#endif
