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msm: camera: isp: Added CSID recovery mechanism

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CSID is not able to recover from the fatal errors like lane
overflows, continuous unbound frames or ESD errors. To recover
from such errors, it is necessary to restart the sensor as
just starting the ISP hw do not make any change as the sensor
can still be in bad state.
This commit implements tasklet based CSID recovery mechanism.
On detecting an error in CSID interrupt, tasklet is scheduled
which in turn will call the ISP hw manager to notify the ISP
context, from here a notification is sent to CRM to send a
message to trigger full recovery. This full recovery includes
the sensor release and start.
This feature is debugfs based. Based on need this can be turned
on.

CRs-Fixed: 2642216
Change-Id: Iecf9916d3672d71a1367886cc934b5a2b148f918
Signed-off-by: Gaurav Jindal <gjindal@codeaurora.org>
Signed-off-by: Vishalsingh Hajeri <vhajeri@codeaurora.org>
Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>
This commit is contained in:
Gaurav Jindal
2020-02-28 14:32:54 +05:30
committed by Gerrit - the friendly Code Review server
parent 9b8cae4b7c
commit 5f7b7386cf
8 changed files with 505 additions and 99 deletions
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2
include/uapi/camera/media/cam_req_mgr.h
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@@ -430,6 +430,8 @@ struct cam_mem_cache_ops_cmd {
#define CAM_REQ_MGR_ERROR_TYPE_BUFFER 2
#define CAM_REQ_MGR_ERROR_TYPE_RECOVERY 3
#define CAM_REQ_MGR_ERROR_TYPE_SOF_FREEZE 4
#define CAM_REQ_MGR_ERROR_TYPE_FULL_RECOVERY 5
/**
* struct cam_req_mgr_error_msg