105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __UAPI_MSM_FD__
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#define __UAPI_MSM_FD__
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#include <linux/videodev2.h>
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/*
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* struct msm_fd_event - Structure contain event info.
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* @buf_index: Buffer index.
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* @frame_id: Frame id.
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* @face_cnt: Detected faces.
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*/
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struct msm_fd_event {
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__u32 buf_index;
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__u32 frame_id;
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__u32 face_cnt;
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};
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/*
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* enum msm_fd_pose - Face pose.
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*/
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enum msm_fd_pose {
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MSM_FD_POSE_FRONT,
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MSM_FD_POSE_RIGHT_DIAGONAL,
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MSM_FD_POSE_RIGHT,
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MSM_FD_POSE_LEFT_DIAGONAL,
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MSM_FD_POSE_LEFT,
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};
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/*
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* struct msm_fd_face_data - Structure contain detected face data.
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* @pose: refer to enum msm_fd_pose.
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* @angle: Face angle
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* @confidence: Face confidence level.
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* @reserved: Reserved data for future use.
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* @face: Face rectangle.
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*/
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struct msm_fd_face_data {
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__u32 pose;
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__u32 angle;
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__u32 confidence;
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__u32 reserved;
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struct v4l2_rect face;
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};
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/*
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* struct msm_fd_result - Structure contain detected faces result.
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* @frame_id: Frame id of requested result.
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* @face_cnt: Number of result faces, driver can modify this value (to smaller)
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* @face_data: Pointer to array of face data structures.
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* Array size should not be smaller then face_cnt.
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*/
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struct msm_fd_result {
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__u32 frame_id;
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__u32 face_cnt;
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struct msm_fd_face_data __user *face_data;
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};
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#ifdef CONFIG_COMPAT
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/*
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* struct msm_fd_result32 - Compat structure contain detected faces result.
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* @frame_id: Frame id of requested result.
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* @face_cnt: Number of result faces, driver can modify this value (to smaller)
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* @face_data: Pointer to array of face data structures.
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* Array size should not be smaller then face_cnt.
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*/
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struct msm_fd_result32 {
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__u32 frame_id;
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__u32 face_cnt;
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compat_uptr_t face_data;
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};
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/* MSM FD compat private ioctl ID */
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#define VIDIOC_MSM_FD_GET_RESULT32 \
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_IOWR('V', BASE_VIDIOC_PRIVATE, struct msm_fd_result32)
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#endif
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/* MSM FD private ioctl ID */
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#define VIDIOC_MSM_FD_GET_RESULT \
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_IOWR('V', BASE_VIDIOC_PRIVATE, struct msm_fd_result)
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/* MSM FD event ID */
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#define MSM_EVENT_FD (V4L2_EVENT_PRIVATE_START)
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/* MSM FD control ID's */
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#define V4L2_CID_FD_SPEED (V4L2_CID_PRIVATE_BASE)
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#define V4L2_CID_FD_FACE_ANGLE (V4L2_CID_PRIVATE_BASE + 1)
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#define V4L2_CID_FD_MIN_FACE_SIZE (V4L2_CID_PRIVATE_BASE + 2)
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#define V4L2_CID_FD_FACE_DIRECTION (V4L2_CID_PRIVATE_BASE + 3)
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#define V4L2_CID_FD_DETECTION_THRESHOLD (V4L2_CID_PRIVATE_BASE + 4)
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#define V4L2_CID_FD_WORK_MEMORY_SIZE (V4L2_CID_PRIVATE_BASE + 5)
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#define V4L2_CID_FD_WORK_MEMORY_FD (V4L2_CID_PRIVATE_BASE + 6)
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#endif /* __UAPI_MSM_FD__ */
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