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