1 /****************************************************************************
2  ****************************************************************************
3  ***
4  ***   This header was automatically generated from a Linux kernel header
5  ***   of the same name, to make information necessary for userspace to
6  ***   call into the kernel available to libc.  It contains only constants,
7  ***   structures, and macros generated from the original header, and thus,
8  ***   contains no copyrightable information.
9  ***
10  ***   To edit the content of this header, modify the corresponding
11  ***   source file (e.g. under external/kernel-headers/original/) then
12  ***   run bionic/libc/kernel/tools/update_all.py
13  ***
14  ***   Any manual change here will be lost the next time this script will
15  ***   be run. You've been warned!
16  ***
17  ****************************************************************************
18  ****************************************************************************/
19 #ifndef __UAPI_CAM_SYNC_H__
20 #define __UAPI_CAM_SYNC_H__
21 #include <linux/videodev2.h>
22 #include <linux/types.h>
23 #include <linux/ioctl.h>
24 #include <linux/media.h>
25 #define CAM_SYNC_DEVICE_NAME "cam_sync_device"
26 #define CAM_SYNC_V4L_EVENT (V4L2_EVENT_PRIVATE_START + 0)
27 #define CAM_SYNC_V4L_EVENT_ID_CB_TRIG 0
28 #define CAM_SYNC_USER_PAYLOAD_SIZE 2
29 #define CAM_SYNC_DEVICE_TYPE (MEDIA_ENT_F_OLD_BASE)
30 #define CAM_SYNC_GET_PAYLOAD_PTR(ev,type) (type *) ((char *) ev.u.data + sizeof(struct cam_sync_ev_header))
31 #define CAM_SYNC_GET_HEADER_PTR(ev) ((struct cam_sync_ev_header *) ev.u.data)
32 #define CAM_SYNC_STATE_INVALID 0
33 #define CAM_SYNC_STATE_ACTIVE 1
34 #define CAM_SYNC_STATE_SIGNALED_SUCCESS 2
35 #define CAM_SYNC_STATE_SIGNALED_ERROR 3
36 struct cam_sync_ev_header {
37   int32_t sync_obj;
38   int32_t status;
39 };
40 struct cam_sync_info {
41   char name[64];
42   int32_t sync_obj;
43 };
44 struct cam_sync_signal {
45   int32_t sync_obj;
46   uint32_t sync_state;
47 };
48 struct cam_sync_merge {
49   __u64 sync_objs;
50   uint32_t num_objs;
51   int32_t merged;
52 };
53 struct cam_sync_userpayload_info {
54   int32_t sync_obj;
55   uint32_t reserved;
56   __u64 payload[CAM_SYNC_USER_PAYLOAD_SIZE];
57 };
58 struct cam_sync_wait {
59   int32_t sync_obj;
60   uint32_t reserved;
61   uint64_t timeout_ms;
62 };
63 struct cam_private_ioctl_arg {
64   __u32 id;
65   __u32 size;
66   __u32 result;
67   __u32 reserved;
68   __u64 ioctl_ptr;
69 };
70 #define CAM_PRIVATE_IOCTL_CMD _IOWR('V', BASE_VIDIOC_PRIVATE, struct cam_private_ioctl_arg)
71 #define CAM_SYNC_CREATE 0
72 #define CAM_SYNC_DESTROY 1
73 #define CAM_SYNC_SIGNAL 2
74 #define CAM_SYNC_MERGE 3
75 #define CAM_SYNC_REGISTER_PAYLOAD 4
76 #define CAM_SYNC_DEREGISTER_PAYLOAD 5
77 #define CAM_SYNC_WAIT 6
78 #endif
79 
80