| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| // |
| // Copyright (c) 2019 MediaTek Inc. |
| /* |
| * For V4L2_CID_MTK_FD_DETECT_POSE, User can set the desired face direction to |
| * be detected for each face angle, there are five face angle and 12 directions. |
| * Below shows the definition of face angle and face direction, |
| * and a recommended usage of for face detection, the more selected directions |
| * the longer HW process time needed. |
| * |
| * enum face_angle { |
| * MTK_FD_FACE_FRONT, |
| * MTK_FD_FACE_RIGHT_50, |
| * MTK_FD_FACE_LEFT_50, |
| * MTK_FD_FACE_RIGHT_90, |
| * MTK_FD_FACE_LEFT_90, |
| * MTK_FD_FACE_ANGLE_NUM, |
| * }; |
| * |
| * struct face_direction_def { |
| * __u16 MTK_FD_FACE_DIR_0 : 1, |
| * MTK_FD_FACE_DIR_30 : 1, |
| * MTK_FD_FACE_DIR_60 : 1, |
| * MTK_FD_FACE_DIR_90 : 1, |
| * MTK_FD_FACE_DIR_120 : 1, |
| * MTK_FD_FACE_DIR_150 : 1, |
| * MTK_FD_FACE_DIR_180 : 1, |
| * MTK_FD_FACE_DIR_210 : 1, |
| * MTK_FD_FACE_DIR_240 : 1, |
| * MTK_FD_FACE_DIR_270 : 1, |
| * MTK_FD_FACE_DIR_300 : 1, |
| * MTK_FD_FACE_DIR_330 : 1, |
| * : 4; |
| * }; |
| * |
| * Sample usage: |
| * u16 face_directions[MTK_FD_FACE_ANGLE_NUM] = {0}; |
| * |
| * face_directions[MTK_FD_FACE_FRONT] = 0x3ff; |
| * |
| */ |
| |
| #ifndef __UAPI_MTK_FD_V4L2_CONTROLS_H__ |
| #define __UAPI_MTK_FD_V4L2_CONTROLS_H__ |
| |
| #include <linux/types.h> |
| #include <linux/v4l2-controls.h> |
| |
| /* Set the face angle and directions to be detected */ |
| #define V4L2_CID_MTK_FD_DETECT_POSE (V4L2_CID_USER_MTK_FD_BASE + 1) |
| |
| /* Set image widths for an input image to be scaled down for face detection */ |
| #define V4L2_CID_MTK_FD_SCALE_DOWN_IMG_WIDTH (V4L2_CID_USER_MTK_FD_BASE + 2) |
| |
| /* Set image heights for an input image to be scaled down for face detection */ |
| #define V4L2_CID_MTK_FD_SCALE_DOWN_IMG_HEIGHT (V4L2_CID_USER_MTK_FD_BASE + 3) |
| |
| /* Set the length of scale down size array */ |
| #define V4L2_CID_MTK_FD_SCALE_IMG_NUM (V4L2_CID_USER_MTK_FD_BASE + 4) |
| |
| /* Set the detection speed, usually reducing accuracy. */ |
| #define V4L2_CID_MTK_FD_DETECT_SPEED (V4L2_CID_USER_MTK_FD_BASE + 5) |
| |
| /* Select the detection model or algorithm to be used. */ |
| #define V4L2_CID_MTK_FD_DETECTION_MODEL (V4L2_CID_USER_MTK_FD_BASE + 6) |
| |
| /* We reserve 16 controls for this driver. */ |
| #define V4L2_CID_MTK_FD_MAX 16 |
| |
| #endif /* __UAPI_MTK_FD_V4L2_CONTROLS_H__ */ |
