[linux.git] / include / uapi / linux / npcm-video.h

/* 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 */
Commit	Line	Data
1568583b ML	1	/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
	2	/*
	3	* Controls header for NPCM video driver
	4	*
	5	* Copyright (C) 2022 Nuvoton Technologies
	6	*/
	7
	8	#ifndef _UAPI_LINUX_NPCM_VIDEO_H
	9	#define _UAPI_LINUX_NPCM_VIDEO_H
	10
	11	#include <linux/v4l2-controls.h>
	12
	13	/*
	14	* Check Documentation/userspace-api/media/drivers/npcm-video.rst for control
	15	* details.
	16	*/
	17
	18	/*
	19	* This control is meant to set the mode of NPCM Video Capture/Differentiation
	20	* (VCD) engine.
	21	*
	22	* The VCD engine supports two modes:
	23	* COMPLETE - Capture the next complete frame into memory.
	24	* DIFF - Compare the incoming frame with the frame stored in memory, and
	25	* updates the differentiated frame in memory.
	26	*/
	27	#define V4L2_CID_NPCM_CAPTURE_MODE (V4L2_CID_USER_NPCM_BASE + 0)
	28
	29	enum v4l2_npcm_capture_mode {
	30	V4L2_NPCM_CAPTURE_MODE_COMPLETE = 0, /* COMPLETE mode */
	31	V4L2_NPCM_CAPTURE_MODE_DIFF = 1, /* DIFF mode */
	32	};
	33
	34	/*
	35	* This control is meant to get the count of compressed HEXTILE rectangles which
	36	* is relevant to the number of differentiated frames if VCD is in DIFF mode.
	37	* And the count will always be 1 if VCD is in COMPLETE mode.
	38	*/
	39	#define V4L2_CID_NPCM_RECT_COUNT (V4L2_CID_USER_NPCM_BASE + 1)
	40
	41	#endif /* _UAPI_LINUX_NPCM_VIDEO_H */