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99 lines
2.5 KiB
99 lines
2.5 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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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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/* Control supports asynchronous reporting */ |
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#define UVC_CTRL_FLAG_ASYNCHRONOUS (1 << 8) |
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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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/* |
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* Metadata node |
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*/ |
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/** |
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* struct uvc_meta_buf - metadata buffer building block |
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* @ns - system timestamp of the payload in nanoseconds |
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* @sof - USB Frame Number |
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* @length - length of the payload header |
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* @flags - payload header flags |
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* @buf - optional device-specific header data |
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* |
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* UVC metadata nodes fill buffers with possibly multiple instances of this |
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* struct. The first two fields are added by the driver, they can be used for |
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* clock synchronisation. The rest is an exact copy of a UVC payload header. |
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* Only complete objects with complete buffers are included. Therefore it's |
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* always sizeof(meta->ts) + sizeof(meta->sof) + meta->length bytes large. |
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*/ |
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struct uvc_meta_buf { |
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__u64 ns; |
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__u16 sof; |
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__u8 length; |
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__u8 flags; |
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__u8 buf[]; |
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} __packed; |
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#endif
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