1*74ba9207SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2b5dcee22SMauro Carvalho Chehab /* 3b5dcee22SMauro Carvalho Chehab bt819.h - bt819 notifications 4b5dcee22SMauro Carvalho Chehab 5b5dcee22SMauro Carvalho Chehab Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl) 6b5dcee22SMauro Carvalho Chehab 7b5dcee22SMauro Carvalho Chehab */ 8b5dcee22SMauro Carvalho Chehab 9b5dcee22SMauro Carvalho Chehab #ifndef _BT819_H_ 10b5dcee22SMauro Carvalho Chehab #define _BT819_H_ 11b5dcee22SMauro Carvalho Chehab 12b5dcee22SMauro Carvalho Chehab #include <linux/ioctl.h> 13b5dcee22SMauro Carvalho Chehab 14b5dcee22SMauro Carvalho Chehab /* v4l2_device notifications. */ 15b5dcee22SMauro Carvalho Chehab 16b5dcee22SMauro Carvalho Chehab /* Needed to reset the FIFO buffer when changing the input 17b5dcee22SMauro Carvalho Chehab or the video standard. 18b5dcee22SMauro Carvalho Chehab 19b5dcee22SMauro Carvalho Chehab Note: these ioctls that internal to the kernel and are never called 20b5dcee22SMauro Carvalho Chehab from userspace. */ 21b5dcee22SMauro Carvalho Chehab #define BT819_FIFO_RESET_LOW _IO('b', 0) 22b5dcee22SMauro Carvalho Chehab #define BT819_FIFO_RESET_HIGH _IO('b', 1) 23b5dcee22SMauro Carvalho Chehab 24b5dcee22SMauro Carvalho Chehab #endif 25