1/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#ifndef __QCAMERA_FLASH_H__
31#define __QCAMERA_FLASH_H__
32
33// Camera dependencies
34#include "camera_common.h"
35
36extern "C" {
37#include "mm_camera_interface.h"
38}
39
40namespace qcamera {
41
42#define QCAMERA_TORCH_CURRENT_VALUE 200
43
44class QCameraFlash {
45public:
46    static QCameraFlash& getInstance();
47
48    int32_t registerCallbacks(const camera_module_callbacks_t* callbacks);
49    int32_t initFlash(const int camera_id);
50    int32_t setFlashMode(const int camera_id, const bool on);
51    int32_t deinitFlash(const int camera_id);
52    int32_t reserveFlashForCamera(const int camera_id);
53    int32_t releaseFlashFromCamera(const int camera_id);
54
55private:
56    QCameraFlash();
57    virtual ~QCameraFlash();
58    QCameraFlash(const QCameraFlash&);
59    QCameraFlash& operator=(const QCameraFlash&);
60
61    const camera_module_callbacks_t *m_callbacks;
62    int32_t m_flashFds[MM_CAMERA_MAX_NUM_SENSORS];
63    bool m_flashOn[MM_CAMERA_MAX_NUM_SENSORS];
64    bool m_cameraOpen[MM_CAMERA_MAX_NUM_SENSORS];
65};
66
67}; // namespace qcamera
68
69#endif /* __QCAMERA_FLASH_H__ */
70