| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #ifndef __LINUX_UVCVIDEO_H_ |
| #define __LINUX_UVCVIDEO_H_ |
| |
| #include <linux/ioctl.h> |
| #include <linux/types.h> |
| |
| /* |
| * Dynamic controls |
| */ |
| |
| /* Data types for UVC control data */ |
| #define UVC_CTRL_DATA_TYPE_RAW 0 |
| #define UVC_CTRL_DATA_TYPE_SIGNED 1 |
| #define UVC_CTRL_DATA_TYPE_UNSIGNED 2 |
| #define UVC_CTRL_DATA_TYPE_BOOLEAN 3 |
| #define UVC_CTRL_DATA_TYPE_ENUM 4 |
| #define UVC_CTRL_DATA_TYPE_BITMASK 5 |
| |
| /* Control flags */ |
| #define UVC_CTRL_FLAG_SET_CUR (1 << 0) |
| #define UVC_CTRL_FLAG_GET_CUR (1 << 1) |
| #define UVC_CTRL_FLAG_GET_MIN (1 << 2) |
| #define UVC_CTRL_FLAG_GET_MAX (1 << 3) |
| #define UVC_CTRL_FLAG_GET_RES (1 << 4) |
| #define UVC_CTRL_FLAG_GET_DEF (1 << 5) |
| /* Control should be saved at suspend and restored at resume. */ |
| #define UVC_CTRL_FLAG_RESTORE (1 << 6) |
| /* Control can be updated by the camera. */ |
| #define UVC_CTRL_FLAG_AUTO_UPDATE (1 << 7) |
| /* Control supports asynchronous reporting */ |
| #define UVC_CTRL_FLAG_ASYNCHRONOUS (1 << 8) |
| |
| #define UVC_CTRL_FLAG_GET_RANGE \ |
| (UVC_CTRL_FLAG_GET_CUR | UVC_CTRL_FLAG_GET_MIN | \ |
| UVC_CTRL_FLAG_GET_MAX | UVC_CTRL_FLAG_GET_RES | \ |
| UVC_CTRL_FLAG_GET_DEF) |
| |
| struct uvc_menu_info { |
| __u32 value; |
| __u8 name[32]; |
| }; |
| |
| struct uvc_xu_control_mapping { |
| __u32 id; |
| __u8 name[32]; |
| __u8 entity[16]; |
| __u8 selector; |
| |
| __u8 size; |
| __u8 offset; |
| __u32 v4l2_type; |
| __u32 data_type; |
| |
| struct uvc_menu_info __user *menu_info; |
| __u32 menu_count; |
| |
| __u32 reserved[4]; |
| }; |
| |
| struct uvc_xu_control_query { |
| __u8 unit; |
| __u8 selector; |
| __u8 query; /* Video Class-Specific Request Code, */ |
| /* defined in linux/usb/video.h A.8. */ |
| __u16 size; |
| __u8 __user *data; |
| }; |
| |
| #define UVCIOC_CTRL_MAP _IOWR('u', 0x20, struct uvc_xu_control_mapping) |
| #define UVCIOC_CTRL_QUERY _IOWR('u', 0x21, struct uvc_xu_control_query) |
| |
| /* |
| * Metadata node |
| */ |
| |
| /** |
| * struct uvc_meta_buf - metadata buffer building block |
| * @ns: system timestamp of the payload in nanoseconds |
| * @sof: USB Frame Number |
| * @length: length of the payload header |
| * @flags: payload header flags |
| * @buf: optional device-specific header data |
| * |
| * UVC metadata nodes fill buffers with possibly multiple instances of this |
| * struct. The first two fields are added by the driver, they can be used for |
| * clock synchronisation. The rest is an exact copy of a UVC payload header. |
| * Only complete objects with complete buffers are included. Therefore it's |
| * always sizeof(meta->ns) + sizeof(meta->sof) + meta->length bytes large. |
| */ |
| struct uvc_meta_buf { |
| __u64 ns; |
| __u16 sof; |
| __u8 length; |
| __u8 flags; |
| __u8 buf[]; |
| } __packed; |
| |
| #endif |