5dba22d1fc
Add packet based buffer send and retrieve mechanism for presil testing. CRs-Fixed: 2932495 Change-Id: Ifd1e0fdb8b12feabb884e02a07a3813db01a3899 Signed-off-by: Mukund Madhusudan Atre <matre@codeaurora.org>
155 lines
5.2 KiB
C
155 lines
5.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only
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*
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* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
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*/
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#ifndef _CAM_CUSTOM_CONTEXT_H_
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#define _CAM_CUSTOM_CONTEXT_H_
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#include <linux/spinlock_types.h>
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#include <media/cam_custom.h>
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#include <media/cam_defs.h>
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#include "cam_context.h"
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#include "cam_custom_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 2.
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*/
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#define CAM_CUSTOM_DEV_CTX_RES_MAX 1
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#define CAM_CUSTOM_CTX_CFG_MAX 8
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/* forward declaration */
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struct cam_custom_context;
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/* cam custom context irq handling function type */
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typedef int (*cam_custom_hw_event_cb_func)(
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struct cam_custom_context *custom_ctx, void *evt_data);
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/**
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* enum cam_custom_ctx_activated_substate - sub states for activated
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*
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*/
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enum cam_custom_ctx_activated_substate {
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CAM_CUSTOM_CTX_ACTIVATED_SOF,
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CAM_CUSTOM_CTX_ACTIVATED_APPLIED,
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CAM_CUSTOM_CTX_ACTIVATED_HW_ERROR,
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CAM_CUSTOM_CTX_ACTIVATED_HALT,
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CAM_CUSTOM_CTX_ACTIVATED_MAX,
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};
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/**
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* struct cam_custom_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_custom_ctx_irq_ops {
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cam_custom_hw_event_cb_func irq_ops[CAM_CUSTOM_HW_EVENT_MAX];
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};
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/**
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* struct cam_custom_dev_ctx_req - Custom context request object
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*
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* @base: Common request object pointer
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* @cfg: Custom hardware configuration array
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* @num_cfg: Number of custom 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: If bubble recovery is needed
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* @bubble_detected: request has bubbled
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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_custom_dev_ctx_req {
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struct cam_ctx_request *base;
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struct cam_hw_update_entry cfg
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[CAM_CUSTOM_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_CUSTOM_DEV_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
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[CAM_CUSTOM_DEV_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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bool bubble_detected;
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struct cam_custom_prepare_hw_update_data hw_update_data;
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};
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/**
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* struct cam_custom_context - Custom device context
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* @base: custom device context object
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* @state_machine: state machine for Custom device context
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* @state: Common context state
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* @hw_ctx: HW object returned by the acquire device command
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* @init_received: Indicate whether init config packet is received
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* @active_req_cnt: Counter for the active request
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* @frame_id: Frame id tracking for the custom context
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* @hw_acquired: Flag to indicate if HW is acquired for this context
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* @process_bubble: If ctx currently processing bubble
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* @substate_actiavted: Current substate for the activated state.
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* @substate_machine: Custom substate machine for external interface
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* @substate_machine_irq: Custom substate machine for irq handling
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* @req_base: common request structure
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* @req_custom: custom request structure
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*
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*/
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struct cam_custom_context {
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struct cam_context *base;
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struct cam_ctx_ops *state_machine;
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uint32_t state;
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void *hw_ctx;
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bool init_received;
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uint32_t active_req_cnt;
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int64_t frame_id;
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bool hw_acquired;
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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_custom_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_custom_dev_ctx_req req_custom[CAM_CTX_REQ_MAX];
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};
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/**
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* cam_custom_dev_context_init()
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*
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* @brief: Initialization function for the custom context
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*
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* @ctx: Custom context obj to be initialized
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* @bridge_ops: Bridge call back funciton
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* @hw_intf: Cust hw manager interface
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* @ctx_id: ID for this context
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* @img_iommu_hdl: IOMMU HDL for Image buffers
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*
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*/
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int cam_custom_dev_context_init(struct cam_custom_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, int img_iommu_hdl);
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/**
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* cam_custom_dev_context_deinit()
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*
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* @brief: Deinitialize function for the Custom context
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*
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* @ctx: Custom context obj to be deinitialized
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*
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*/
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int cam_custom_dev_context_deinit(struct cam_custom_context *ctx);
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#endif /* _CAM_CUSTOM_CONTEXT_H_ */
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