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msm: camera: sync: Add SYNC_V4L_EVENT_V2 support in sync driver

Browse Source 
Add SYNC_V4L_EVENT_V2 support in sync driver. As part of this
change, added the reason code field as part of sync event header.
This failure reason code is filled by camera kernel driver and
propagate to userspace.

CRs-Fixed: 2750553
Change-Id: I206d0d51c38cfe4214814b89d241f51c1f50605b
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>
This commit is contained in:
Alok Chauhan
2020-07-28 21:42:02 +05:30
parent f64d8b76f2
commit 1d1edb7030
10 changed files with 251 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/cam_core/cam_context_utils.c
View File

@@ -98,7 +98,8 @@ int cam_context_buf_done_from_hw(struct cam_context *ctx,
for (j = 0; j < req->num_out_map_entries; j++) {
CAM_DBG(CAM_REQ, "fence %d signal with %d",
req->out_map_entries[j].sync_id, result);
cam_sync_signal(req->out_map_entries[j].sync_id, result);
cam_sync_signal(req->out_map_entries[j].sync_id, result,
done->evt_param);
req->out_map_entries[j].sync_id = -1;
}
@@ -661,7 +662,8 @@ int32_t cam_context_flush_ctx_to_hw(struct cam_context *ctx)
if (req->out_map_entries[i].sync_id != -1) {
rc = cam_sync_signal(
req->out_map_entries[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_EVENT_FLUSH);
if (rc == -EALREADY) {
CAM_ERR(CAM_CTXT,
"Req: %llu already signalled, sync_id:%d",
@@ -733,7 +735,8 @@ int32_t cam_context_flush_ctx_to_hw(struct cam_context *ctx)
if (req->out_map_entries[i].sync_id != -1) {
rc = cam_sync_signal(
req->out_map_entries[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_EVENT_FLUSH);
if (rc == -EALREADY) {
CAM_ERR(CAM_CTXT,
"Req: %llu already signalled ctx: %pK dev_name: %s dev_handle: %d ctx_state: %d",
@@ -846,7 +849,8 @@ int32_t cam_context_flush_req_to_hw(struct cam_context *ctx,
req->out_map_entries[i].sync_id;
if (sync_id != -1) {
rc = cam_sync_signal(sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_EVENT_FLUSH);
if (rc == -EALREADY) {
CAM_ERR(CAM_CTXT,
"Req: %llu already signalled, sync_id:%d",

2
drivers/cam_core/cam_hw_mgr_intf.h
View File

@@ -90,6 +90,7 @@ struct cam_hw_fence_map_entry {
* @resrouce_handle: list of the resource handle
* @timestamp: time stamp
* @request_id: request identifier
* @evt_param: event parameter
*
*/
struct cam_hw_done_event_data {
@@ -97,6 +98,7 @@ struct cam_hw_done_event_data {
uint32_t resource_handle[CAM_NUM_OUT_PER_COMP_IRQ_MAX];
struct timeval timestamp;
uint64_t request_id;
uint32_t evt_param;
};
/**

15
drivers/cam_cust/cam_custom_context.c
View File

@@ -182,7 +182,8 @@ static int __cam_custom_ctx_frame_done(
}
rc = cam_sync_signal(req_custom->fence_map_out[j].sync_id,
CAM_SYNC_STATE_SIGNALED_SUCCESS);
CAM_SYNC_STATE_SIGNALED_SUCCESS,
CAM_SYNC_EVENT_SUCCESS);
if (rc)
CAM_ERR(CAM_CUSTOM, "Sync failed with rc = %d", rc);
@@ -368,7 +369,8 @@ static int __cam_custom_ctx_flush_req(struct cam_context *ctx,
req_custom->fence_map_out[i].sync_id);
rc = cam_sync_signal(
req_custom->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_EVENT_FLUSH);
if (rc)
CAM_ERR_RATE_LIMIT(CAM_CUSTOM,
"signal fence failed\n");
@@ -543,7 +545,8 @@ static int __cam_custom_stop_dev_core(
if (req_custom->fence_map_out[i].sync_id != -1) {
cam_sync_signal(
req_custom->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_EVENT_STOP);
}
list_add_tail(&req->list, &ctx->free_req_list);
}
@@ -559,7 +562,8 @@ static int __cam_custom_stop_dev_core(
if (req_custom->fence_map_out[i].sync_id != -1) {
cam_sync_signal(
req_custom->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_EVENT_STOP);
}
list_add_tail(&req->list, &ctx->free_req_list);
}
@@ -575,7 +579,8 @@ static int __cam_custom_stop_dev_core(
if (req_custom->fence_map_out[i].sync_id != -1) {
cam_sync_signal(
req_custom->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_EVENT_STOP);
}
list_add_tail(&req->list, &ctx->free_req_list);
}

59
drivers/cam_isp/cam_isp_context.c
View File

@@ -813,7 +813,8 @@ static int __cam_isp_ctx_handle_buf_done_for_req_list(
for (i = 0; i < req_isp->num_fence_map_out; i++)
rc = cam_sync_signal(
req_isp->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
CAM_SYNC_ISP_EVENT_BUBBLE);
list_add_tail(&req->list, &ctx->free_req_list);
CAM_DBG(CAM_REQ,
@@ -935,7 +936,8 @@ static int __cam_isp_ctx_handle_buf_done_for_request(
ctx->ctx_id);
rc = cam_sync_signal(req_isp->fence_map_out[j].sync_id,
CAM_SYNC_STATE_SIGNALED_SUCCESS);
CAM_SYNC_STATE_SIGNALED_SUCCESS,
CAM_SYNC_EVENT_SUCCESS);
if (rc)
CAM_DBG(CAM_ISP, "Sync failed with rc = %d",
rc);
@@ -948,7 +950,8 @@ static int __cam_isp_ctx_handle_buf_done_for_request(
ctx->ctx_id);
rc = cam_sync_signal(req_isp->fence_map_out[j].sync_id,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
CAM_SYNC_ISP_EVENT_BUBBLE);
if (rc)
CAM_ERR(CAM_ISP, "Sync failed with rc = %d",
rc);
@@ -1074,7 +1077,8 @@ static int __cam_isp_ctx_handle_buf_done_for_request_verify_addr(
ctx->ctx_id);
rc = cam_sync_signal(req_isp->fence_map_out[j].sync_id,
CAM_SYNC_STATE_SIGNALED_SUCCESS);
CAM_SYNC_STATE_SIGNALED_SUCCESS,
CAM_SYNC_EVENT_SUCCESS);
if (rc)
CAM_DBG(CAM_ISP, "Sync failed with rc = %d",
rc);
@@ -1087,7 +1091,8 @@ static int __cam_isp_ctx_handle_buf_done_for_request_verify_addr(
ctx->ctx_id);
rc = cam_sync_signal(req_isp->fence_map_out[j].sync_id,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
CAM_SYNC_ISP_EVENT_BUBBLE);
if (rc)
CAM_ERR(CAM_ISP, "Sync failed with rc = %d",
rc);
@@ -2003,6 +2008,22 @@ static int __cam_isp_ctx_buf_done_in_bubble_applied(
return rc;
}
static uint32_t get_evt_param(uint32_t error_type)
{
switch (error_type) {
case CAM_ISP_HW_ERROR_OVERFLOW:
return CAM_SYNC_ISP_EVENT_OVERFLOW;
case CAM_ISP_HW_ERROR_P2I_ERROR:
return CAM_SYNC_ISP_EVENT_P2I_ERROR;
case CAM_ISP_HW_ERROR_VIOLATION:
return CAM_SYNC_ISP_EVENT_VIOLATION;
case CAM_ISP_HW_ERROR_BUSIF_OVERFLOW:
return CAM_SYNC_ISP_EVENT_BUSIF_OVERFLOW;
default:
return CAM_SYNC_ISP_EVENT_UNKNOWN;
}
}
static int __cam_isp_ctx_handle_error(struct cam_isp_context *ctx_isp,
void *evt_data)
{
@@ -2019,6 +2040,7 @@ static int __cam_isp_ctx_handle_error(struct cam_isp_context *ctx_isp,
uint64_t error_request_id;
struct cam_hw_fence_map_entry *fence_map_out = NULL;
struct cam_req_mgr_message req_msg;
uint32_t evt_param;
struct cam_context *ctx = ctx_isp->base;
struct cam_isp_hw_error_event_data *error_event_data =
@@ -2043,6 +2065,9 @@ static int __cam_isp_ctx_handle_error(struct cam_isp_context *ctx_isp,
rc = 0;
}
}
evt_param = get_evt_param(error_type);
/*
* The error is likely caused by first request on the active list.
* If active list is empty check wait list (maybe error hit as soon
@@ -2087,7 +2112,8 @@ static int __cam_isp_ctx_handle_error(struct cam_isp_context *ctx_isp,
if (req_isp->fence_map_out[i].sync_id != -1) {
rc = cam_sync_signal(
fence_map_out->sync_id,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
evt_param);
fence_map_out->sync_id = -1;
}
}
@@ -2118,7 +2144,8 @@ static int __cam_isp_ctx_handle_error(struct cam_isp_context *ctx_isp,
if (req_isp->fence_map_out[i].sync_id != -1) {
rc = cam_sync_signal(
fence_map_out->sync_id,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
evt_param);
fence_map_out->sync_id = -1;
}
}
@@ -2181,7 +2208,8 @@ end:
if (req_isp->fence_map_out[i].sync_id != -1)
rc = cam_sync_signal(
req_isp->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
evt_param);
req_isp->fence_map_out[i].sync_id = -1;
}
list_del_init(&req->list);
@@ -3139,7 +3167,8 @@ static int __cam_isp_ctx_flush_req(struct cam_context *ctx,
req_isp->fence_map_out[i].sync_id);
rc = cam_sync_signal(
req_isp->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_ISP_EVENT_FLUSH);
if (rc) {
tmp = req_isp->fence_map_out[i].sync_id;
CAM_ERR_RATE_LIMIT(CAM_ISP,
@@ -3605,7 +3634,8 @@ static int __cam_isp_ctx_rdi_only_sof_in_bubble_state(
if (req_isp->fence_map_out[i].sync_id != -1) {
cam_sync_signal(
req_isp->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
CAM_SYNC_ISP_EVENT_BUBBLE);
}
list_add_tail(&req->list, &ctx->free_req_list);
ctx_isp->active_req_cnt--;
@@ -5025,7 +5055,8 @@ static int __cam_isp_ctx_stop_dev_in_activated_unlock(
if (req_isp->fence_map_out[i].sync_id != -1) {
cam_sync_signal(
req_isp->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_ISP_EVENT_HW_STOP);
}
list_add_tail(&req->list, &ctx->free_req_list);
}
@@ -5041,7 +5072,8 @@ static int __cam_isp_ctx_stop_dev_in_activated_unlock(
if (req_isp->fence_map_out[i].sync_id != -1) {
cam_sync_signal(
req_isp->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_ISP_EVENT_HW_STOP);
}
list_add_tail(&req->list, &ctx->free_req_list);
}
@@ -5057,7 +5089,8 @@ static int __cam_isp_ctx_stop_dev_in_activated_unlock(
if (req_isp->fence_map_out[i].sync_id != -1) {
cam_sync_signal(
req_isp->fence_map_out[i].sync_id,
CAM_SYNC_STATE_SIGNALED_CANCEL);
CAM_SYNC_STATE_SIGNALED_CANCEL,
CAM_SYNC_ISP_EVENT_HW_STOP);
}
list_add_tail(&req->list, &ctx->free_req_list);
}

51
drivers/cam_sync/cam_sync.c
View File

@@ -184,7 +184,7 @@ int cam_sync_deregister_callback(sync_callback cb_func,
return found ? 0 : -ENOENT;
}
int cam_sync_signal(int32_t sync_obj, uint32_t status)
int cam_sync_signal(int32_t sync_obj, uint32_t status, uint32_t event_cause)
{
struct sync_table_row *row = NULL;
struct sync_table_row *parent_row = NULL;
@@ -228,8 +228,8 @@ int cam_sync_signal(int32_t sync_obj, uint32_t status)
(status != CAM_SYNC_STATE_SIGNALED_CANCEL)) {
spin_unlock_bh(&sync_dev->row_spinlocks[sync_obj]);
CAM_ERR(CAM_SYNC,
"Error: signaling with undefined status = %d",
status);
"Error: signaling with undefined status = %d event reason = %u",
status, event_cause);
return -EINVAL;
}
@@ -239,7 +239,7 @@ int cam_sync_signal(int32_t sync_obj, uint32_t status)
}
row->state = status;
cam_sync_util_dispatch_signaled_cb(sync_obj, status);
cam_sync_util_dispatch_signaled_cb(sync_obj, status, event_cause);
/* copy parent list to local and release child lock */
INIT_LIST_HEAD(&parents_list);
@@ -275,7 +275,8 @@ int cam_sync_signal(int32_t sync_obj, uint32_t status)
if (!parent_row->remaining)
cam_sync_util_dispatch_signaled_cb(
parent_info->sync_id, parent_row->state);
parent_info->sync_id, parent_row->state,
event_cause);
spin_unlock_bh(&sync_dev->row_spinlocks[parent_info->sync_id]);
list_del_init(&parent_info->list);
@@ -514,7 +515,8 @@ static int cam_sync_handle_signal(struct cam_private_ioctl_arg *k_ioctl)
}
return cam_sync_signal(sync_signal.sync_obj,
sync_signal.sync_state);
sync_signal.sync_state,
CAM_SYNC_CAM_SYNC_SIGNAL_EVENT);
}
static int cam_sync_handle_merge(struct cam_private_ioctl_arg *k_ioctl)
@@ -664,7 +666,8 @@ static int cam_sync_handle_register_user_payload(
sync_obj,
row->state,
user_payload_kernel->payload_data,
CAM_SYNC_USER_PAYLOAD_SIZE * sizeof(__u64));
CAM_SYNC_USER_PAYLOAD_SIZE * sizeof(__u64),
CAM_SYNC_REGISTER_PAYLOAD_EVENT);
spin_unlock_bh(&sync_dev->row_spinlocks[sync_obj]);
kfree(user_payload_kernel);
@@ -869,7 +872,8 @@ static int cam_sync_close(struct file *filep)
*/
if (row->state == CAM_SYNC_STATE_ACTIVE) {
rc = cam_sync_signal(i,
CAM_SYNC_STATE_SIGNALED_ERROR);
CAM_SYNC_STATE_SIGNALED_ERROR,
CAM_SYNC_v4l2_RELEASE_EVENT);
if (rc < 0)
CAM_ERR(CAM_SYNC,
"Cleanup signal fail idx:%d\n",
@@ -912,11 +916,24 @@ static int cam_sync_close(struct file *filep)
static void cam_sync_event_queue_notify_error(const struct v4l2_event *old,
struct v4l2_event *new)
{
if (sync_dev->version == CAM_SYNC_V4L_EVENT_V2) {
struct cam_sync_ev_header_v2 *ev_header;
ev_header = CAM_SYNC_GET_HEADER_PTR_V2((*old));
CAM_ERR(CAM_CRM,
"Failed to notify event id %d fence %d statue %d reason %u %u %u %u",
old->id, ev_header->sync_obj, ev_header->status,
ev_header->evt_param[0], ev_header->evt_param[1],
ev_header->evt_param[2], ev_header->evt_param[3]);
} else {
struct cam_sync_ev_header *ev_header;
ev_header = CAM_SYNC_GET_HEADER_PTR((*old));
CAM_ERR(CAM_CRM, "Failed to notify event id %d fence %d statue %d",
CAM_ERR(CAM_CRM,
"Failed to notify event id %d fence %d statue %d",
old->id, ev_header->sync_obj, ev_header->status);
}
}
static struct v4l2_subscribed_event_ops cam_sync_v4l2_ops = {
@@ -926,6 +943,14 @@ static struct v4l2_subscribed_event_ops cam_sync_v4l2_ops = {
int cam_sync_subscribe_event(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
if (!((sub->type == CAM_SYNC_V4L_EVENT) ||
(sub->type == CAM_SYNC_V4L_EVENT_V2))) {
CAM_ERR(CAM_SYNC, "Non supported event type 0x%x", sub->type);
return -EINVAL;
}
sync_dev->version = sub->type;
CAM_DBG(CAM_SYNC, "Sync event verion type 0x%x", sync_dev->version);
return v4l2_event_subscribe(fh, sub, CAM_SYNC_MAX_V4L2_EVENTS,
&cam_sync_v4l2_ops);
}
@@ -933,6 +958,12 @@ int cam_sync_subscribe_event(struct v4l2_fh *fh,
int cam_sync_unsubscribe_event(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
if (!((sub->type == CAM_SYNC_V4L_EVENT) ||
(sub->type == CAM_SYNC_V4L_EVENT_V2))) {
CAM_ERR(CAM_SYNC, "Non supported event type 0x%x", sub->type);
return -EINVAL;
}
return v4l2_event_unsubscribe(fh, sub);
}
@@ -1068,7 +1099,7 @@ int cam_synx_sync_signal(int32_t sync_obj, uint32_t synx_status)
break;
}
rc = cam_sync_signal(sync_obj, sync_status);
rc = cam_sync_signal(sync_obj, sync_status, CAM_SYNC_EVENT_SYNX);
if (rc) {
CAM_ERR(CAM_SYNC,
"synx signal failed with %d, sync_obj=%d, synx_status=%d, sync_status=%d",

3
drivers/cam_sync/cam_sync_api.h
View File

@@ -76,10 +76,11 @@ int cam_sync_deregister_callback(sync_callback cb_func,
* @param sync_obj: int referencing the sync object.
* @param status: Status of the signaling. Can be either SYNC_SIGNAL_ERROR or
* SYNC_SIGNAL_SUCCESS.
* @param evt_param: Event parameter
*
* @return Status of operation. Negative in case of error. Zero otherwise.
*/
int cam_sync_signal(int32_t sync_obj, uint32_t status);
int cam_sync_signal(int32_t sync_obj, uint32_t status, uint32_t evt_param);
/**
* @brief: Merges multiple sync objects

2
drivers/cam_sync/cam_sync_private.h
View File

@@ -182,6 +182,7 @@ struct cam_signalable_info {
* @cam_sync_eventq : Event queue used to dispatch user payloads to user space
* @bitmap : Bitmap representation of all sync objects
* @params : Parameters for synx call back registration
* @version : version support
*/
struct sync_device {
struct video_device *vdev;
@@ -198,6 +199,7 @@ struct sync_device {
#if IS_REACHABLE(CONFIG_MSM_GLOBAL_SYNX)
struct synx_register_params params;
#endif
uint32_t version;
};

29
drivers/cam_sync/cam_sync_util.c
View File

@@ -300,7 +300,7 @@ void cam_sync_util_cb_dispatch(struct work_struct *cb_dispatch_work)
}
void cam_sync_util_dispatch_signaled_cb(int32_t sync_obj,
uint32_t status)
uint32_t status, uint32_t event_cause)
{
struct sync_callback_info *sync_cb;
struct sync_user_payload *payload_info;
@@ -339,7 +339,8 @@ void cam_sync_util_dispatch_signaled_cb(int32_t sync_obj,
sync_obj,
status,
payload_info->payload_data,
CAM_SYNC_PAYLOAD_WORDS * sizeof(__u64));
CAM_SYNC_PAYLOAD_WORDS * sizeof(__u64),
event_cause);
list_del_init(&payload_info->list);
/*
@@ -361,10 +362,25 @@ void cam_sync_util_send_v4l2_event(uint32_t id,
uint32_t sync_obj,
int status,
void *payload,
int len)
int len, uint32_t event_cause)
{
struct v4l2_event event;
__u64 *payload_data = NULL;
if (sync_dev->version == CAM_SYNC_V4L_EVENT_V2) {
struct cam_sync_ev_header_v2 *ev_header = NULL;
event.id = id;
event.type = CAM_SYNC_V4L_EVENT_V2;
ev_header = CAM_SYNC_GET_HEADER_PTR_V2(event);
ev_header->sync_obj = sync_obj;
ev_header->status = status;
ev_header->version = sync_dev->version;
ev_header->evt_param[CAM_SYNC_EVENT_REASON_CODE_INDEX] =
event_cause;
payload_data = CAM_SYNC_GET_PAYLOAD_PTR_V2(event, __u64);
} else {
struct cam_sync_ev_header *ev_header = NULL;
event.id = id;
@@ -373,12 +389,13 @@ void cam_sync_util_send_v4l2_event(uint32_t id,
ev_header = CAM_SYNC_GET_HEADER_PTR(event);
ev_header->sync_obj = sync_obj;
ev_header->status = status;
payload_data = CAM_SYNC_GET_PAYLOAD_PTR(event, __u64);
memcpy(payload_data, payload, len);
}
memcpy(payload_data, payload, len);
v4l2_event_queue(sync_dev->vdev, &event);
CAM_DBG(CAM_SYNC, "send v4l2 event for sync_obj :%d",
CAM_DBG(CAM_SYNC, "send v4l2 event version %d for sync_obj :%d",
sync_dev->version,
sync_obj);
}

9
drivers/cam_sync/cam_sync_util.h
View File

@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
*/
#ifndef __CAM_SYNC_UTIL_H__
@@ -84,11 +84,12 @@ void cam_sync_util_cb_dispatch(struct work_struct *cb_dispatch_work);
*
* @sync_obj : Sync object that is signaled
* @status : Status of the signaled object
* @evt_param : Event paramaeter
*
* @return None
*/
void cam_sync_util_dispatch_signaled_cb(int32_t sync_obj,
uint32_t status);
uint32_t status, uint32_t evt_param);
/**
* @brief: Function to send V4L event to user space
@@ -97,6 +98,7 @@ void cam_sync_util_dispatch_signaled_cb(int32_t sync_obj,
* @param status : Status of the event
* @payload : Payload that needs to be sent to user space
* @len : Length of the payload
* @evt_param : Event Paramenter
*
* @return None
*/
@@ -104,7 +106,8 @@ void cam_sync_util_send_v4l2_event(uint32_t id,
uint32_t sync_obj,
int status,
void *payload,
int len);
int len,
uint32_t evt_param);
/**
* @brief: Function which gets the next state of the sync object based on the

100
include/uapi/camera/media/cam_sync.h
View File

@@ -15,6 +15,7 @@
/* V4L event which user space will subscribe to */
#define CAM_SYNC_V4L_EVENT (V4L2_EVENT_PRIVATE_START + 0)
#define CAM_SYNC_V4L_EVENT_V2 (V4L2_EVENT_PRIVATE_START + 1)
/* Specific event ids to get notified in user space */
#define CAM_SYNC_V4L_EVENT_ID_CB_TRIG 0
@@ -31,12 +32,96 @@
#define CAM_SYNC_GET_HEADER_PTR(ev) \
((struct cam_sync_ev_header *)ev.u.data)
#define CAM_SYNC_GET_PAYLOAD_PTR_V2(ev, type) \
(type *)((char *)ev.u.data + sizeof(struct cam_sync_ev_header_v2))
#define CAM_SYNC_GET_HEADER_PTR_V2(ev) \
((struct cam_sync_ev_header_v2 *)ev.u.data)
#define CAM_SYNC_STATE_INVALID 0
#define CAM_SYNC_STATE_ACTIVE 1
#define CAM_SYNC_STATE_SIGNALED_SUCCESS 2
#define CAM_SYNC_STATE_SIGNALED_ERROR 3
#define CAM_SYNC_STATE_SIGNALED_CANCEL 4
/* Top level sync event reason types */
#define CAM_SYNC_EVENT_UNKNOWN 0
#define CAM_SYNC_EVENT_SUCCESS 1
#define CAM_SYNC_EVENT_FLUSH 2
#define CAM_SYNC_EVENT_STOP 3
#define CAM_SYNC_EVENT_SYNX 4
/* ISP Sync event reason types */
#define CAM_SYNC_ISP_EVENT_START 20
#define CAM_SYNC_ISP_EVENT_UNKNOWN (CAM_SYNC_ISP_EVENT_START + 0)
#define CAM_SYNC_ISP_EVENT_BUBBLE (CAM_SYNC_ISP_EVENT_START + 1)
#define CAM_SYNC_ISP_EVENT_OVERFLOW (CAM_SYNC_ISP_EVENT_START + 2)
#define CAM_SYNC_ISP_EVENT_P2I_ERROR (CAM_SYNC_ISP_EVENT_START + 3)
#define CAM_SYNC_ISP_EVENT_VIOLATION (CAM_SYNC_ISP_EVENT_START + 4)
#define CAM_SYNC_ISP_EVENT_BUSIF_OVERFLOW (CAM_SYNC_ISP_EVENT_START + 5)
#define CAM_SYNC_ISP_EVENT_FLUSH (CAM_SYNC_ISP_EVENT_START + 6)
#define CAM_SYNC_ISP_EVENT_HW_STOP (CAM_SYNC_ISP_EVENT_START + 7)
#define CAM_SYNC_ISP_EVENT_END (CAM_SYNC_ISP_EVENT_START + 50)
/* ICP Sync event reason types */
#define CAM_SYNC_ICP_EVENT_START (CAM_SYNC_ISP_EVENT_END + 1)
#define CAM_SYNC_ICP_EVENT_UNKNOWN (CAM_SYNC_ICP_EVENT_START + 0)
#define CAM_SYNC_ICP_EVENT_FRAME_PROCESS_FAILURE (CAM_SYNC_ICP_EVENT_START + 1)
#define CAM_SYNC_ICP_EVENT_CONFIG_ERR (CAM_SYNC_ICP_EVENT_START + 2)
#define CAM_SYNC_ICP_EVENT_END (CAM_SYNC_ICP_EVENT_START + 50)
/* JPEG Sync event reason types */
#define CAM_SYNC_JPEG_EVENT_START (CAM_SYNC_ICP_EVENT_END + 1)
#define CAM_SYNC_JPEG_EVENT_UNKNOWN (CAM_SYNC_JPEG_EVENT_START + 0)
#define CAM_SYNC_JPEG_EVENT_INVLD_CMD (CAM_SYNC_JPEG_EVENT_START + 1)
#define CAM_SYNC_JPEG_EVENT_SET_IRQ_CB (CAM_SYNC_JPEG_EVENT_START + 2)
#define CAM_SYNC_JPEG_EVENT_HW_RESET_FAILED (CAM_SYNC_JPEG_EVENT_START + 3)
#define CAM_SYNC_JPEG_EVENT_CDM_CHANGE_BASE_ERR (CAM_SYNC_JPEG_EVENT_START + 4)
#define CAM_SYNC_JPEG_EVENT_CDM_CONFIG_ERR (CAM_SYNC_JPEG_EVENT_START + 5)
#define CAM_SYNC_JPEG_EVENT_START_HW_ERR (CAM_SYNC_JPEG_EVENT_START + 6)
#define CAM_SYNC_JPEG_EVENT_END (CAM_SYNC_JPEG_EVENT_START + 50)
/* FD Sync event reason types */
#define CAM_SYNC_FD_EVENT_START (CAM_SYNC_JPEG_EVENT_END + 1)
#define CAM_SYNC_FD_EVENT_UNKNOWN (CAM_SYNC_FD_EVENT_START + 0)
#define CAM_SYNC_FD_EVENT_IRQ_FRAME_DONE (CAM_SYNC_FD_EVENT_START + 1)
#define CAM_SYNC_FD_EVENT_IRQ_RESET_DONE (CAM_SYNC_FD_EVENT_START + 2)
#define CAM_SYNC_FD_EVENT_HALT (CAM_SYNC_FD_EVENT_START + 3)
#define CAM_SYNC_FD_EVENT_END (CAM_SYNC_FD_EVENT_START + 50)
/* LRME Sync event reason types */
#define CAM_SYNC_LRME_EVENT_START (CAM_SYNC_FD_EVENT_END + 1)
#define CAM_SYNC_LRME_EVENT_UNKNOWN (CAM_SYNC_LRME_EVENT_START + 0)
#define CAM_SYNC_LRME_EVENT_CB_ERROR (CAM_SYNC_LRME_EVENT_START + 1)
#define CAM_SYNC_LRME_EVENT_END (CAM_SYNC_LRME_EVENT_START + 50)
/* OPE Sync event reason types */
#define CAM_SYNC_OPE_EVENT_START (CAM_SYNC_LRME_EVENT_END + 1)
#define CAM_SYNC_OPE_EVENT_UNKNOWN (CAM_SYNC_OPE_EVENT_START + 0)
#define CAM_SYNC_OPE_EVENT_PAGE_FAULT (CAM_SYNC_OPE_EVENT_START + 1)
#define CAM_SYNC_OPE_EVENT_HW_HANG (CAM_SYNC_OPE_EVENT_START + 2)
#define CAM_SYNC_OPE_EVENT_HALT (CAM_SYNC_OPE_EVENT_START + 3)
#define CAM_SYNC_OPE_EVENT_CONFIG_ERR (CAM_SYNC_OPE_EVENT_START + 4)
#define CAM_SYNC_OPE_EVENT_HW_FLUSH (CAM_SYNC_OPE_EVENT_START + 5)
#define CAM_SYNC_OPE_EVENT_HW_RESUBMIT (CAM_SYNC_OPE_EVENT_START + 6)
#define CAM_SYNC_OPE_EVENT_HW_RESET_DONE (CAM_SYNC_OPE_EVENT_START + 7)
#define CAM_SYNC_OPE_EVENT_HW_ERROR (CAM_SYNC_OPE_EVENT_START + 8)
#define CAM_SYNC_OPE_EVENT_INVLD_CMD (CAM_SYNC_OPE_EVENT_START + 9)
#define CAM_SYNC_OPE_EVENT_HW_RESET_FAILED (CAM_SYNC_OPE_EVENT_START + 10)
#define CAM_SYNC_OPE_EVENT_END (CAM_SYNC_OPE_EVENT_START + 50)
/* Others ioctl/v4l2 Sync event reason types */
#define CAM_SYNC_OTHER_EVENT_START (CAM_SYNC_OPE_EVENT_END + 1)
#define CAM_SYNC_REGISTER_PAYLOAD_EVENT (CAM_SYNC_OTHER_EVENT_START + 0)
#define CAM_SYNC_CAM_SYNC_SIGNAL_EVENT (CAM_SYNC_OTHER_EVENT_START + 1)
#define CAM_SYNC_v4l2_RELEASE_EVENT (CAM_SYNC_OTHER_EVENT_START + 2)
#define CAM_SYNC_OTHER_EVENT_END (CAM_SYNC_OTHER_EVENT_START + 50)
#define CAM_SYNC_EVENT_CNT 7
#define CAM_SYNC_EVENT_REASON_CODE_INDEX 0
/**
* struct cam_sync_ev_header - Event header for sync event notification
*
@@ -48,6 +133,21 @@ struct cam_sync_ev_header {
__s32 status;
};
/**
* struct cam_sync_ev_header_v2 - Event header for sync event notification
*
* @sync_obj: Sync object
* @status: Status of the object
* @version: sync driver version
* @evt_param: event parameter
*/
struct cam_sync_ev_header_v2 {
__s32 sync_obj;
__s32 status;
uint32_t version;
uint32_t evt_param[CAM_SYNC_EVENT_CNT];
};
/**
* struct cam_sync_info - Sync object creation information
*