1 /* Copyright (c) 2012, 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_CMD_THREAD_H__ 31 #define __QCAMERA_CMD_THREAD_H__ 32 33 // System dependencies 34 #include <pthread.h> 35 36 // Camera dependencies 37 #include "cam_semaphore.h" 38 #include "cam_types.h" 39 #include "QCameraQueue.h" 40 41 namespace qcamera { 42 43 typedef enum 44 { 45 CAMERA_CMD_TYPE_NONE, 46 CAMERA_CMD_TYPE_START_DATA_PROC, 47 CAMERA_CMD_TYPE_STOP_DATA_PROC, 48 CAMERA_CMD_TYPE_DO_NEXT_JOB, 49 CAMERA_CMD_TYPE_EXIT, 50 CAMERA_CMD_TYPE_TIMEOUT, 51 CAMERA_CMD_TYPE_MAX 52 } camera_cmd_type_t; 53 54 typedef struct { 55 camera_cmd_type_t cmd; 56 } camera_cmd_t; 57 58 class QCameraCmdThread { 59 public: 60 QCameraCmdThread(); 61 ~QCameraCmdThread(); 62 63 int32_t launch(void *(*start_routine)(void *), void* user_data); 64 int32_t setName(const char* name); 65 int32_t exit(); 66 int32_t sendCmd(camera_cmd_type_t cmd, uint8_t sync_cmd, uint8_t priority); 67 camera_cmd_type_t getCmd(); 68 69 QCameraQueue cmd_queue; /* cmd queue */ 70 pthread_t cmd_pid; /* cmd thread ID */ 71 cam_semaphore_t cmd_sem; /* semaphore for cmd thread */ 72 cam_semaphore_t sync_sem; /* semaphore for synchronized call signal */ 73 }; 74 75 }; // namespace qcamera 76 77 #endif /* __QCAMERA_CMD_THREAD_H__ */ 78