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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

uvcvideo.h (2627B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef __LINUX_UVCVIDEO_H_
  3. #define __LINUX_UVCVIDEO_H_
  5. #include <linux/ioctl.h>
  6. #include <linux/types.h>
  8. /*
  9.  * Dynamic controls
  10.  */
  12. /* Data types for UVC control data */
  13. #define UVC_CTRL_DATA_TYPE_RAW		0
  14. #define UVC_CTRL_DATA_TYPE_SIGNED	1
  15. #define UVC_CTRL_DATA_TYPE_UNSIGNED	2
  16. #define UVC_CTRL_DATA_TYPE_BOOLEAN	3
  17. #define UVC_CTRL_DATA_TYPE_ENUM		4
  18. #define UVC_CTRL_DATA_TYPE_BITMASK	5
  20. /* Control flags */
  21. #define UVC_CTRL_FLAG_SET_CUR		(1 << 0)
  22. #define UVC_CTRL_FLAG_GET_CUR		(1 << 1)
  23. #define UVC_CTRL_FLAG_GET_MIN		(1 << 2)
  24. #define UVC_CTRL_FLAG_GET_MAX		(1 << 3)
  25. #define UVC_CTRL_FLAG_GET_RES		(1 << 4)
  26. #define UVC_CTRL_FLAG_GET_DEF		(1 << 5)
  27. /* Control should be saved at suspend and restored at resume. */
  28. #define UVC_CTRL_FLAG_RESTORE		(1 << 6)
  29. /* Control can be updated by the camera. */
  30. #define UVC_CTRL_FLAG_AUTO_UPDATE	(1 << 7)
  31. /* Control supports asynchronous reporting */
  32. #define UVC_CTRL_FLAG_ASYNCHRONOUS	(1 << 8)
  34. #define UVC_CTRL_FLAG_GET_RANGE \
  35. 	(UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \
  36. 	 UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \
  37. 	 UVC_CTRL_FLAG_GET_DEF)
  39. #define UVC_MENU_NAME_LEN 32
  41. struct uvc_menu_info {
  42. 	__u32 value;
  43. 	__u8 name[UVC_MENU_NAME_LEN];
  44. };
  46. struct uvc_xu_control_mapping {
  47. 	__u32 id;
  48. 	__u8 name[32];
  49. 	__u8 entity[16];
  50. 	__u8 selector;
  52. 	__u8 size;
  53. 	__u8 offset;
  54. 	__u32 v4l2_type;
  55. 	__u32 data_type;
  57. 	struct uvc_menu_info *menu_info;
  58. 	__u32 menu_count;
  60. 	__u32 reserved[4];
  61. };
  63. struct uvc_xu_control_query {
  64. 	__u8 unit;
  65. 	__u8 selector;
  66. 	__u8 query;		/* Video Class-Specific Request Code, */
  67. 				/* defined in linux/usb/video.h A.8.  */
  68. 	__u16 size;
  69. 	__u8 *data;
  70. };
  72. #define UVCIOC_CTRL_MAP		_IOWR('u', 0x20, struct uvc_xu_control_mapping)
  73. #define UVCIOC_CTRL_QUERY	_IOWR('u', 0x21, struct uvc_xu_control_query)
  75. /*
  76.  * Metadata node
  77.  */
  79. /**
  80.  * struct uvc_meta_buf - metadata buffer building block
  81.  * @ns: system timestamp of the payload in nanoseconds
  82.  * @sof: USB Frame Number
  83.  * @length: length of the payload header
  84.  * @flags: payload header flags
  85.  * @buf: optional device-specific header data
  86.  *
  87.  * UVC metadata nodes fill buffers with possibly multiple instances of this
  88.  * struct. The first two fields are added by the driver, they can be used for
  89.  * clock synchronisation. The rest is an exact copy of a UVC payload header.
  90.  * Only complete objects with complete buffers are included. Therefore it's
  91.  * always sizeof(meta->ns) + sizeof(meta->sof) + meta->length bytes large.
  92.  */
  93. struct uvc_meta_buf {
  94. 	__u64 ns;
  95. 	__u16 sof;
  96. 	__u8 length;
  97. 	__u8 flags;
  98. 	__u8 buf[];
  99. } __attribute__((packed));
  101. #endif