71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
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#ifndef __LINUX_UVCVIDEO_H_
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#define __LINUX_UVCVIDEO_H_
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#include <linux/ioctl.h>
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#include <linux/types.h>
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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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#define UVC_CTRL_DATA_TYPE_RAW 0
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#define UVC_CTRL_DATA_TYPE_SIGNED 1
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#define UVC_CTRL_DATA_TYPE_UNSIGNED 2
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#define UVC_CTRL_DATA_TYPE_BOOLEAN 3
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#define UVC_CTRL_DATA_TYPE_ENUM 4
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#define UVC_CTRL_DATA_TYPE_BITMASK 5
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/* Control flags */
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#define UVC_CTRL_FLAG_SET_CUR (1 << 0)
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#define UVC_CTRL_FLAG_GET_CUR (1 << 1)
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#define UVC_CTRL_FLAG_GET_MIN (1 << 2)
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#define UVC_CTRL_FLAG_GET_MAX (1 << 3)
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#define UVC_CTRL_FLAG_GET_RES (1 << 4)
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#define UVC_CTRL_FLAG_GET_DEF (1 << 5)
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/* Control should be saved at suspend and restored at resume. */
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#define UVC_CTRL_FLAG_RESTORE (1 << 6)
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/* Control can be updated by the camera. */
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#define UVC_CTRL_FLAG_AUTO_UPDATE (1 << 7)
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#define UVC_CTRL_FLAG_GET_RANGE \
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(UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \
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UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \
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UVC_CTRL_FLAG_GET_DEF)
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struct uvc_menu_info {
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__u32 value;
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__u8 name[32];
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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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__u32 v4l2_type;
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__u32 data_type;
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struct uvc_menu_info __user *menu_info;
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__u32 menu_count;
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__u32 reserved[4];
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};
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struct uvc_xu_control_query {
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__u8 unit;
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__u8 selector;
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__u8 query; /* Video Class-Specific Request Code, */
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/* defined in linux/usb/video.h A.8. */
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__u16 size;
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__u8 __user *data;
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};
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#define UVCIOC_CTRL_MAP _IOWR('u', 0x20, struct uvc_xu_control_mapping)
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#define UVCIOC_CTRL_QUERY _IOWR('u', 0x21, struct uvc_xu_control_query)
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#endif
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