5c2bb43241
In certain scenario Buf_done failures are observed for the request which is in bubble state. Since we never get bufdone we inadvertently are stuck in Bubble state. This change will wait for a period of two frames to receive bufdone and recover from bubble state. If any bufdone IRQ is never generated within this time period, we remove the request from active list and add it back to pending request list. CRs-Fixed: 2506159 Change-Id: Ibcce21a1a87d0a64e49c6454391ca139fc7d1fa7 Signed-off-by: Vishalsingh Hajeri <vhajeri@codeaurora.org>
241 lines
8.4 KiB
C
241 lines
8.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _CAM_ISP_CONTEXT_H_
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#define _CAM_ISP_CONTEXT_H_
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#include <linux/spinlock.h>
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#include <media/cam_isp.h>
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#include <media/cam_defs.h>
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#include "cam_context.h"
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#include "cam_isp_hw_mgr_intf.h"
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/*
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* Maximum hw resource - This number is based on the maximum
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* output port resource. The current maximum resource number
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* is 24.
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*/
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#define CAM_ISP_CTX_RES_MAX 24
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/*
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* Maximum configuration entry size - This is based on the
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* worst case DUAL IFE use case plus some margin.
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*/
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#define CAM_ISP_CTX_CFG_MAX 22
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/*
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* Maximum entries in state monitoring array for error logging
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*/
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#define CAM_ISP_CTX_STATE_MONITOR_MAX_ENTRIES 40
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/* forward declaration */
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struct cam_isp_context;
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/* cam isp context irq handling function type */
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typedef int (*cam_isp_hw_event_cb_func)(struct cam_isp_context *ctx_isp,
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void *evt_data);
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/**
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* enum cam_isp_ctx_activated_substate - sub states for activated
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*
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*/
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enum cam_isp_ctx_activated_substate {
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CAM_ISP_CTX_ACTIVATED_SOF,
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CAM_ISP_CTX_ACTIVATED_APPLIED,
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CAM_ISP_CTX_ACTIVATED_EPOCH,
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CAM_ISP_CTX_ACTIVATED_BUBBLE,
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CAM_ISP_CTX_ACTIVATED_BUBBLE_APPLIED,
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CAM_ISP_CTX_ACTIVATED_HW_ERROR,
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CAM_ISP_CTX_ACTIVATED_HALT,
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CAM_ISP_CTX_ACTIVATED_MAX,
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};
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/**
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* enum cam_isp_state_change_trigger - Different types of ISP events
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*
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*/
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enum cam_isp_state_change_trigger {
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CAM_ISP_STATE_CHANGE_TRIGGER_ERROR,
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CAM_ISP_STATE_CHANGE_TRIGGER_APPLIED,
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CAM_ISP_STATE_CHANGE_TRIGGER_REG_UPDATE,
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CAM_ISP_STATE_CHANGE_TRIGGER_SOF,
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CAM_ISP_STATE_CHANGE_TRIGGER_EPOCH,
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CAM_ISP_STATE_CHANGE_TRIGGER_DONE,
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CAM_ISP_STATE_CHANGE_TRIGGER_EOF,
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CAM_ISP_STATE_CHANGE_TRIGGER_FLUSH,
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CAM_ISP_STATE_CHANGE_TRIGGER_MAX
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};
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/**
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* struct cam_isp_ctx_debug - Contains debug parameters
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*
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* @dentry: Debugfs entry
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* @enable_state_monitor_dump: Enable isp state monitor dump
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*
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*/
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struct cam_isp_ctx_debug {
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struct dentry *dentry;
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uint32_t enable_state_monitor_dump;
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};
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/**
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* struct cam_isp_ctx_irq_ops - Function table for handling IRQ callbacks
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*
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* @irq_ops: Array of handle function pointers.
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*
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*/
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struct cam_isp_ctx_irq_ops {
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cam_isp_hw_event_cb_func irq_ops[CAM_ISP_HW_EVENT_MAX];
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};
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/**
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* struct cam_isp_ctx_req - ISP context request object
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*
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* @base: Common request object ponter
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* @cfg: ISP hardware configuration array
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* @num_cfg: Number of ISP hardware configuration entries
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* @fence_map_out: Output fence mapping array
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* @num_fence_map_out: Number of the output fence map
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* @fence_map_in: Input fence mapping array
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* @num_fence_map_in: Number of input fence map
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* @num_acked: Count to track acked entried for output.
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* If count equals the number of fence out, it means
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* the request has been completed.
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* @bubble_report: Flag to track if bubble report is active on
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* current request
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* @hw_update_data: HW update data for this request
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* @reapply: True if reapplying after bubble
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*
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*/
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struct cam_isp_ctx_req {
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struct cam_ctx_request *base;
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struct cam_hw_update_entry cfg[CAM_ISP_CTX_CFG_MAX];
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uint32_t num_cfg;
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struct cam_hw_fence_map_entry fence_map_out
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[CAM_ISP_CTX_RES_MAX];
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uint32_t num_fence_map_out;
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struct cam_hw_fence_map_entry fence_map_in[CAM_ISP_CTX_RES_MAX];
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uint32_t num_fence_map_in;
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uint32_t num_acked;
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int32_t bubble_report;
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struct cam_isp_prepare_hw_update_data hw_update_data;
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bool bubble_detected;
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bool reapply;
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};
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/**
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* struct cam_isp_context_state_monitor - ISP context state
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* monitoring for
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* debug purposes
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*
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* @curr_state: Current sub state that received req
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* @trigger: Event type of incoming req
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* @req_id: Request id
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* @frame_id: Frame id based on SOFs
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* @evt_time_stamp Current time stamp
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*
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*/
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struct cam_isp_context_state_monitor {
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enum cam_isp_ctx_activated_substate curr_state;
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enum cam_isp_state_change_trigger trigger;
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uint64_t req_id;
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int64_t frame_id;
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unsigned int evt_time_stamp;
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};
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/**
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* struct cam_isp_context - ISP context object
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*
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* @base: Common context object pointer
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* @frame_id: Frame id tracking for the isp context
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* @substate_actiavted: Current substate for the activated state.
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* @process_bubble: Atomic variable to check if ctx is still
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* processing bubble.
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* @bubble_frame_cnt: Count number of frames since the req is in bubble
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* @substate_machine: ISP substate machine for external interface
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* @substate_machine_irq: ISP substate machine for irq handling
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* @req_base: Common request object storage
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* @req_isp: ISP private request object storage
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* @hw_ctx: HW object returned by the acquire device command
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* @sof_timestamp_val: Captured time stamp value at sof hw event
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* @boot_timestamp: Boot time stamp for a given req_id
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* @active_req_cnt: Counter for the active request
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* @reported_req_id: Last reported request id
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* @subscribe_event: The irq event mask that CRM subscribes to, IFE
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* will invoke CRM cb at those event.
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* @last_applied_req_id: Last applied request id
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* @state_monitor_head: Write index to the state monitoring array
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* @cam_isp_ctx_state_monitor: State monitoring array
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* @rdi_only_context: Get context type information.
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* true, if context is rdi only context
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* @hw_acquired: Indicate whether HW resources are acquired
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* @init_received: Indicate whether init config packet is received
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* @split_acquire: Indicate whether a separate acquire is expected
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* @init_timestamp: Timestamp at which this context is initialized
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*
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*/
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struct cam_isp_context {
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struct cam_context *base;
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int64_t frame_id;
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uint32_t substate_activated;
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atomic_t process_bubble;
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uint32_t bubble_frame_cnt;
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struct cam_ctx_ops *substate_machine;
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struct cam_isp_ctx_irq_ops *substate_machine_irq;
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struct cam_ctx_request req_base[CAM_CTX_REQ_MAX];
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struct cam_isp_ctx_req req_isp[CAM_CTX_REQ_MAX];
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void *hw_ctx;
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uint64_t sof_timestamp_val;
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uint64_t boot_timestamp;
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int32_t active_req_cnt;
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int64_t reported_req_id;
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uint32_t subscribe_event;
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int64_t last_applied_req_id;
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atomic64_t state_monitor_head;
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struct cam_isp_context_state_monitor cam_isp_ctx_state_monitor[
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CAM_ISP_CTX_STATE_MONITOR_MAX_ENTRIES];
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bool rdi_only_context;
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bool hw_acquired;
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bool init_received;
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bool split_acquire;
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unsigned int init_timestamp;
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};
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/**
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* cam_isp_context_init()
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*
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* @brief: Initialization function for the ISP context
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*
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* @ctx: ISP context obj to be initialized
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* @bridge_ops: Bridge call back funciton
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* @hw_intf: ISP hw manager interface
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* @ctx_id: ID for this context
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*
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*/
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int cam_isp_context_init(struct cam_isp_context *ctx,
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struct cam_context *ctx_base,
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struct cam_req_mgr_kmd_ops *bridge_ops,
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struct cam_hw_mgr_intf *hw_intf,
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uint32_t ctx_id);
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/**
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* cam_isp_context_deinit()
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*
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* @brief: Deinitialize function for the ISP context
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*
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* @ctx: ISP context obj to be deinitialized
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*
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*/
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int cam_isp_context_deinit(struct cam_isp_context *ctx);
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#endif /* __CAM_ISP_CONTEXT_H__ */
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