Camera: Bring over camera driver changes
Bring over camera driver changes as of msm-4.19 commit 5a5551a7 (Merge "msm: camera: reqmgr: Fix CRM shift one req issue"). Change-Id: Ic0c2b2d74d1b3470c1c51d98228e312fb13c501a Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>
This commit is contained in:
Jigarkumar Zala
224
drivers/cam_isp/cam_isp_context.h
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224
drivers/cam_isp/cam_isp_context.h
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/* 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 <cam_isp.h>
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#include <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_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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*
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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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};
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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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* @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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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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