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74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/* $OpenBSD: video_if.h,v 1.19 2022/03/21 19:22:40 miod Exp $ */
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/*
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* Copyright (c) 2008 Robert Nagy <robert@openbsd.org>
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* Copyright (c) 2008 Marcus Glocker <mglocker@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _SYS_DEV_VIDEO_IF_H
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#define _SYS_DEV_VIDEO_IF_H
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/*
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* Generic interface to hardware driver
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*/
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#define VIDEOUNIT(x) (minor(x))
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struct video_hw_if {
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/* open hardware */
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int (*open)(void *, int, int *, uint8_t *, void (*)(void *),
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void *);
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/* close hardware */
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int (*close)(void *);
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/* ioctl's */
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int (*querycap)(void *, struct v4l2_capability *);
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int (*enum_fmt)(void *, struct v4l2_fmtdesc *);
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int (*enum_fsizes)(void *, struct v4l2_frmsizeenum *);
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int (*enum_fivals)(void *, struct v4l2_frmivalenum *);
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int (*s_fmt)(void *, struct v4l2_format *);
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int (*g_fmt)(void *, struct v4l2_format *);
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int (*s_parm)(void *, struct v4l2_streamparm *);
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int (*g_parm)(void *, struct v4l2_streamparm *);
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int (*enum_input)(void *, struct v4l2_input *);
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int (*s_input)(void *, int);
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int (*g_input)(void *, int *);
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int (*reqbufs)(void *, struct v4l2_requestbuffers *);
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int (*querybuf)(void *, struct v4l2_buffer *);
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int (*qbuf)(void *, struct v4l2_buffer *);
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int (*dqbuf)(void *, struct v4l2_buffer *);
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int (*streamon)(void *, int);
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int (*streamoff)(void *, int);
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int (*try_fmt)(void *, struct v4l2_format *);
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int (*queryctrl)(void *, struct v4l2_queryctrl *);
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int (*g_ctrl)(void *, struct v4l2_control *);
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int (*s_ctrl)(void *, struct v4l2_control *);
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caddr_t (*mappage)(void *, off_t, int);
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/* other functions */
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int (*get_bufsize)(void *);
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int (*start_read)(void *);
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};
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struct video_attach_args {
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const void *hwif;
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void *hdl;
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};
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struct device *video_attach_mi(const struct video_hw_if *, void *,
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struct device *);
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#endif /* _SYS_DEV_VIDEO_IF_H */
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