diff options
Diffstat (limited to 'sys/dev/video_if.h')
-rw-r--r-- | sys/dev/video_if.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sys/dev/video_if.h b/sys/dev/video_if.h new file mode 100644 index 00000000000..66360fe8614 --- /dev/null +++ b/sys/dev/video_if.h @@ -0,0 +1,49 @@ +/* $OpenBSD: video_if.h,v 1.1 2008/04/09 19:49:55 robert Exp $ */ +/* + * Copyright (c) 2008 Robert Nagy <robert@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _SYS_DEV_VIDEO_IF_H +#define _SYS_DEV_VIDEO_IF_H + +/* + * Generic interface to hardware driver + */ + +#define VIDEOUNIT(x) (minor(x)) + +struct video_hw_if { + /* open hardware */ + int (*open)(void *, int); + + /* close hardware */ + int (*close)(void *); + + int (*querycap)(void *, struct v4l2_capability *); + int (*s_fmt)(void *, struct v4l2_format *); + int (*g_fmt)(void *, struct v4l2_format *); + int (*reqbufs)(void *, struct v4l2_requestbuffers *); + int (*qbuf)(void *, struct v4l2_buffer *); + int (*dqbuf)(void *, struct v4l2_buffer *); +}; + +struct video_attach_args { + void *hwif; + void *hdl; +}; + +struct device *video_attach_mi(struct video_hw_if *, void *, struct device *); + +#endif /* _SYS_DEV_VIDEO_IF_H */ |