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83 lines
1.9 KiB
83 lines
1.9 KiB
4 months ago
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#ifndef __UAPI_CAM_SYNC_H__
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#define __UAPI_CAM_SYNC_H__
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#include <linux/videodev2.h>
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#include <linux/media.h>
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#define CAM_SYNC_DEVICE_NAME "cam_sync_device"
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#define CAM_SYNC_V4L_EVENT (V4L2_EVENT_PRIVATE_START + 0)
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#define CAM_SYNC_V4L_EVENT_ID_CB_TRIG 0
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#define CAM_SYNC_USER_PAYLOAD_SIZE 2
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#define CAM_SYNC_DEVICE_TYPE (MEDIA_ENT_F_OLD_BASE)
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#define CAM_SYNC_GET_PAYLOAD_PTR(ev, type) \
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(type *)((char *)ev.u.data + sizeof(struct cam_sync_ev_header))
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#define CAM_SYNC_GET_HEADER_PTR(ev) \
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((struct cam_sync_ev_header *)ev.u.data)
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#define CAM_SYNC_STATE_INVALID 0
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#define CAM_SYNC_STATE_ACTIVE 1
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#define CAM_SYNC_STATE_SIGNALED_SUCCESS 2
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#define CAM_SYNC_STATE_SIGNALED_ERROR 3
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struct cam_sync_ev_header {
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int32_t sync_obj;
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int32_t status;
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};
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struct cam_sync_info {
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char name[64];
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int32_t sync_obj;
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};
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struct cam_sync_signal {
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int32_t sync_obj;
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uint32_t sync_state;
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};
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struct cam_sync_merge {
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__u64 sync_objs;
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uint32_t num_objs;
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int32_t merged;
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};
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struct cam_sync_userpayload_info {
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int32_t sync_obj;
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uint32_t reserved;
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__u64 payload[CAM_SYNC_USER_PAYLOAD_SIZE];
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};
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struct cam_sync_wait {
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int32_t sync_obj;
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uint32_t reserved;
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uint64_t timeout_ms;
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};
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struct cam_private_ioctl_arg {
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__u32 id;
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__u32 size;
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__u32 result;
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__u32 reserved;
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__u64 ioctl_ptr;
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};
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#define CAM_PRIVATE_IOCTL_CMD \
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_IOWR('V', BASE_VIDIOC_PRIVATE, struct cam_private_ioctl_arg)
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#define CAM_SYNC_CREATE 0
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#define CAM_SYNC_DESTROY 1
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#define CAM_SYNC_SIGNAL 2
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#define CAM_SYNC_MERGE 3
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#define CAM_SYNC_REGISTER_PAYLOAD 4
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#define CAM_SYNC_DEREGISTER_PAYLOAD 5
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#define CAM_SYNC_WAIT 6
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#endif /* __UAPI_CAM_SYNC_H__ */
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