/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Support for Clovertrail PNW Camera Imaging ISP subsystem.
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*
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* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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*/
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#ifndef __ATOMISP_ACC_H__
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#define __ATOMISP_ACC_H__
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#include "../../include/linux/atomisp.h"
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#include "atomisp_internal.h"
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#include "ia_css_types.h"
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/*
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* Interface functions for AtomISP driver acceleration API implementation.
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*/
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struct atomisp_sub_device;
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void atomisp_acc_cleanup(struct atomisp_device *isp);
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/*
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* Free up any allocated resources.
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* Must be called each time when the device is closed.
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* Note that there isn't corresponding open() call;
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* this function may be called sequentially multiple times.
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* Must be called to free up resources before driver is unloaded.
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*/
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void atomisp_acc_release(struct atomisp_sub_device *asd);
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/* Load acceleration binary. DEPRECATED. */
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int atomisp_acc_load(struct atomisp_sub_device *asd,
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struct atomisp_acc_fw_load *fw);
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/* Load acceleration binary with specified properties */
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int atomisp_acc_load_to_pipe(struct atomisp_sub_device *asd,
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struct atomisp_acc_fw_load_to_pipe *fw);
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/* Unload specified acceleration binary */
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int atomisp_acc_unload(struct atomisp_sub_device *asd,
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unsigned int *handle);
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/*
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* Map a memory region into ISP memory space.
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*/
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int atomisp_acc_map(struct atomisp_sub_device *asd,
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struct atomisp_acc_map *map);
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/*
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* Unmap a mapped memory region.
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*/
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int atomisp_acc_unmap(struct atomisp_sub_device *asd,
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struct atomisp_acc_map *map);
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/*
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* Set acceleration binary argument to a previously mapped memory region.
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*/
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int atomisp_acc_s_mapped_arg(struct atomisp_sub_device *asd,
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struct atomisp_acc_s_mapped_arg *arg);
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/*
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* Start acceleration.
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* Return immediately, acceleration is left running in background.
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* Specify either acceleration binary or pipeline which to start.
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*/
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int atomisp_acc_start(struct atomisp_sub_device *asd,
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unsigned int *handle);
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/*
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* Wait until acceleration finishes.
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* This MUST be called after each acceleration has been started.
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* Specify either acceleration binary or pipeline handle.
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*/
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int atomisp_acc_wait(struct atomisp_sub_device *asd,
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unsigned int *handle);
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/*
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* Used by ISR to notify ACC stage finished.
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* This is internally used and does not export as IOCTL.
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*/
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void atomisp_acc_done(struct atomisp_sub_device *asd, unsigned int handle);
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/*
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* Appends the loaded acceleration binary extensions to the
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* current ISP mode. Must be called just before atomisp_css_start().
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*/
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int atomisp_acc_load_extensions(struct atomisp_sub_device *asd);
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/*
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* Must be called after streaming is stopped:
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* unloads any loaded acceleration extensions.
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*/
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void atomisp_acc_unload_extensions(struct atomisp_sub_device *asd);
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/*
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* Set acceleration firmware flags.
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*/
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int atomisp_acc_set_state(struct atomisp_sub_device *asd,
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struct atomisp_acc_state *arg);
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/*
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* Get acceleration firmware flags.
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*/
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int atomisp_acc_get_state(struct atomisp_sub_device *asd,
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struct atomisp_acc_state *arg);
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#endif /* __ATOMISP_ACC_H__ */
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