/* $OpenBSD: video_if.h,v 1.17 2011/03/26 08:13:05 jakemsr Exp $ */ /* * Copyright (c) 2008 Robert Nagy <robert@openbsd.org> * Copyright (c) 2008 Marcus Glocker <mglocker@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, int *, uint8_t *, void (*)(void *), void *); /* close hardware */ int (*close)(void *); /* ioctl's */ int (*querycap)(void *, struct v4l2_capability *); int (*enum_fmt)(void *, struct v4l2_fmtdesc *); int (*enum_fsizes)(void *, struct v4l2_frmsizeenum *); int (*enum_fivals)(void *, struct v4l2_frmivalenum *); int (*s_fmt)(void *, struct v4l2_format *); int (*g_fmt)(void *, struct v4l2_format *); int (*s_parm)(void *, struct v4l2_streamparm *); int (*g_parm)(void *, struct v4l2_streamparm *); int (*enum_input)(void *, struct v4l2_input *); int (*s_input)(void *, int); int (*reqbufs)(void *, struct v4l2_requestbuffers *); int (*querybuf)(void *, struct v4l2_buffer *); int (*qbuf)(void *, struct v4l2_buffer *); int (*dqbuf)(void *, struct v4l2_buffer *); int (*streamon)(void *, int); int (*streamoff)(void *, int); int (*try_fmt)(void *, struct v4l2_format *); int (*queryctrl)(void *, struct v4l2_queryctrl *); int (*g_ctrl)(void *, struct v4l2_control *); int (*s_ctrl)(void *, struct v4l2_control *); caddr_t (*mappage)(void *, off_t, int); /* other functions */ int (*get_bufsize)(void *); int (*start_read)(void *); }; 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 */