| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _CAM_REQ_MGR_DEV_H_ |
| #define _CAM_REQ_MGR_DEV_H_ |
| |
| /** |
| * struct cam_req_mgr_device - a camera request manager device |
| * |
| * @video: pointer to struct video device. |
| * @v4l2_dev: pointer to struct v4l2 device. |
| * @subdev_nodes_created: flag to check the created state. |
| * @count: number of subdevices registered. |
| * @dev_lock: lock for the subdevice count. |
| * @state: state of the root device. |
| * @open_cnt: open count of subdev |
| * @cam_lock: per file handle lock |
| * @cam_eventq: event queue |
| * @cam_eventq_lock: lock for event queue |
| */ |
| struct cam_req_mgr_device { |
| struct video_device *video; |
| struct v4l2_device *v4l2_dev; |
| bool subdev_nodes_created; |
| int count; |
| struct mutex dev_lock; |
| bool state; |
| int32_t open_cnt; |
| struct mutex cam_lock; |
| struct v4l2_fh *cam_eventq; |
| spinlock_t cam_eventq_lock; |
| }; |
| |
| #endif /* _CAM_REQ_MGR_DEV_H_ */ |