112 lines
4.0 KiB
C
112 lines
4.0 KiB
C
/*******************************************************************************
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# Linux-UVC streaming input-plugin for MJPG-streamer #
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# #
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# This package work with the Logitech UVC based webcams with the mjpeg feature #
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# #
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# Copyright (C) 2005 2006 Laurent Pinchart && Michel Xhaard #
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# 2007 Lucas van Staden #
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# 2007 Tom Stöveken #
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; either version 2 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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# #
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*******************************************************************************/
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#ifndef _USB_VIDEO_H_
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#define _USB_VIDEO_H_
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#include <linux/kernel.h>
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#include <linux/types.h> /* for videodev2.h */
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#include <linux/videodev2.h>
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#ifdef USE_LIBV4L2
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#include <libv4l2.h>
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#define IOCTL_VIDEO(fd, req, value) v4l2_ioctl(fd, req, value)
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#define OPEN_VIDEO(fd, flags) v4l2_open(fd, flags)
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#define CLOSE_VIDEO(fd) v4l2_close(fd)
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#else
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#define IOCTL_VIDEO(fd, req, value) ioctl(fd, req, value)
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#define OPEN_VIDEO(fd, flags) open(fd, flags)
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#define CLOSE_VIDEO(fd) close(fd)
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#endif
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/* Compatibility */
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#include "uvc_compat.h"
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/*
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* Private V4L2 control identifiers.
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*/
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/*
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* Dynamic controls
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*/
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/* Data types for UVC control data */
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enum uvc_control_data_type {
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UVC_CTRL_DATA_TYPE_RAW = 0,
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UVC_CTRL_DATA_TYPE_SIGNED,
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UVC_CTRL_DATA_TYPE_UNSIGNED,
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UVC_CTRL_DATA_TYPE_BOOLEAN,
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UVC_CTRL_DATA_TYPE_ENUM,
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UVC_CTRL_DATA_TYPE_BITMASK,
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};
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#define UVC_CONTROL_SET_CUR (1 << 0)
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#define UVC_CONTROL_GET_CUR (1 << 1)
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#define UVC_CONTROL_GET_MIN (1 << 2)
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#define UVC_CONTROL_GET_MAX (1 << 3)
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#define UVC_CONTROL_GET_RES (1 << 4)
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#define UVC_CONTROL_GET_DEF (1 << 5)
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/* Control should be saved at suspend and restored at resume. */
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#define UVC_CONTROL_RESTORE (1 << 6)
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#define UVC_CONTROL_GET_RANGE (UVC_CONTROL_GET_CUR | UVC_CONTROL_GET_MIN | \
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UVC_CONTROL_GET_MAX | UVC_CONTROL_GET_RES | \
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UVC_CONTROL_GET_DEF)
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struct uvc_xu_control_info {
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__u8 entity[16];
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__u8 index;
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__u8 selector;
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__u16 size;
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__u32 flags;
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};
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struct uvc_xu_control_mapping {
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__u32 id;
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__u8 name[32];
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__u8 entity[16];
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__u8 selector;
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__u8 size;
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__u8 offset;
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enum v4l2_ctrl_type v4l2_type;
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enum uvc_control_data_type data_type;
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};
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struct uvc_xu_control {
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__u8 unit;
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__u8 selector;
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__u16 size;
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__u8 __user *data;
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};
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#define UVCIOC_CTRL_ADD _IOW ('U', 1, struct uvc_xu_control_info)
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#define UVCIOC_CTRL_MAP _IOWR ('U', 2, struct uvc_xu_control_mapping)
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#define UVCIOC_CTRL_GET _IOWR ('U', 3, struct uvc_xu_control)
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#define UVCIOC_CTRL_SET _IOW ('U', 4, struct uvc_xu_control)
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#endif
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