Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
		
			
				
	
	
		
			70 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#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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