1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker /* 3*f80ad8b4SAndroid Build Coastguard Worker * Controls header for NPCM video driver 4*f80ad8b4SAndroid Build Coastguard Worker * 5*f80ad8b4SAndroid Build Coastguard Worker * Copyright (C) 2022 Nuvoton Technologies 6*f80ad8b4SAndroid Build Coastguard Worker */ 7*f80ad8b4SAndroid Build Coastguard Worker 8*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI_LINUX_NPCM_VIDEO_H 9*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI_LINUX_NPCM_VIDEO_H 10*f80ad8b4SAndroid Build Coastguard Worker 11*f80ad8b4SAndroid Build Coastguard Worker #include <linux/v4l2-controls.h> 12*f80ad8b4SAndroid Build Coastguard Worker 13*f80ad8b4SAndroid Build Coastguard Worker /* 14*f80ad8b4SAndroid Build Coastguard Worker * Check Documentation/userspace-api/media/drivers/npcm-video.rst for control 15*f80ad8b4SAndroid Build Coastguard Worker * details. 16*f80ad8b4SAndroid Build Coastguard Worker */ 17*f80ad8b4SAndroid Build Coastguard Worker 18*f80ad8b4SAndroid Build Coastguard Worker /* 19*f80ad8b4SAndroid Build Coastguard Worker * This control is meant to set the mode of NPCM Video Capture/Differentiation 20*f80ad8b4SAndroid Build Coastguard Worker * (VCD) engine. 21*f80ad8b4SAndroid Build Coastguard Worker * 22*f80ad8b4SAndroid Build Coastguard Worker * The VCD engine supports two modes: 23*f80ad8b4SAndroid Build Coastguard Worker * COMPLETE - Capture the next complete frame into memory. 24*f80ad8b4SAndroid Build Coastguard Worker * DIFF - Compare the incoming frame with the frame stored in memory, and 25*f80ad8b4SAndroid Build Coastguard Worker * updates the differentiated frame in memory. 26*f80ad8b4SAndroid Build Coastguard Worker */ 27*f80ad8b4SAndroid Build Coastguard Worker #define V4L2_CID_NPCM_CAPTURE_MODE (V4L2_CID_USER_NPCM_BASE + 0) 28*f80ad8b4SAndroid Build Coastguard Worker 29*f80ad8b4SAndroid Build Coastguard Worker enum v4l2_npcm_capture_mode { 30*f80ad8b4SAndroid Build Coastguard Worker V4L2_NPCM_CAPTURE_MODE_COMPLETE = 0, /* COMPLETE mode */ 31*f80ad8b4SAndroid Build Coastguard Worker V4L2_NPCM_CAPTURE_MODE_DIFF = 1, /* DIFF mode */ 32*f80ad8b4SAndroid Build Coastguard Worker }; 33*f80ad8b4SAndroid Build Coastguard Worker 34*f80ad8b4SAndroid Build Coastguard Worker /* 35*f80ad8b4SAndroid Build Coastguard Worker * This control is meant to get the count of compressed HEXTILE rectangles which 36*f80ad8b4SAndroid Build Coastguard Worker * is relevant to the number of differentiated frames if VCD is in DIFF mode. 37*f80ad8b4SAndroid Build Coastguard Worker * And the count will always be 1 if VCD is in COMPLETE mode. 38*f80ad8b4SAndroid Build Coastguard Worker */ 39*f80ad8b4SAndroid Build Coastguard Worker #define V4L2_CID_NPCM_RECT_COUNT (V4L2_CID_USER_NPCM_BASE + 1) 40*f80ad8b4SAndroid Build Coastguard Worker 41*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI_LINUX_NPCM_VIDEO_H */ 42