/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Controls header for NPCM video driver * * Copyright (C) 2022 Nuvoton Technologies */ #ifndef _UAPI_LINUX_NPCM_VIDEO_H #define _UAPI_LINUX_NPCM_VIDEO_H #include <linux/v4l2-controls.h> /* * Check Documentation/userspace-api/media/drivers/npcm-video.rst for control * details. */ /* * This control is meant to set the mode of NPCM Video Capture/Differentiation * (VCD) engine. * * The VCD engine supports two modes: * COMPLETE - Capture the next complete frame into memory. * DIFF - Compare the incoming frame with the frame stored in memory, and * updates the differentiated frame in memory. */ #define V4L2_CID_NPCM_CAPTURE_MODE (V4L2_CID_USER_NPCM_BASE + 0) enum v4l2_npcm_capture_mode { V4L2_NPCM_CAPTURE_MODE_COMPLETE = 0, /* COMPLETE mode */ V4L2_NPCM_CAPTURE_MODE_DIFF = 1, /* DIFF mode */ }; /* * This control is meant to get the count of compressed HEXTILE rectangles which * is relevant to the number of differentiated frames if VCD is in DIFF mode. * And the count will always be 1 if VCD is in COMPLETE mode. */ #define V4L2_CID_NPCM_RECT_COUNT (V4L2_CID_USER_NPCM_BASE + 1) #endif /* _UAPI_LINUX_NPCM_VIDEO_H */