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/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 __MMU_PUBLIC_H_INCLUDED__
#define __MMU_PUBLIC_H_INCLUDED__
#include "system_types.h"
/*! Set the page table base index of MMU[ID]
\param ID[in] MMU identifier
\param base_index[in] page table base index
\return none, MMU[ID].page_table_base_index = base_index
*/
extern void mmu_set_page_table_base_index(
const mmu_ID_t ID,
const hrt_data base_index);
/*! Get the page table base index of MMU[ID]
\param ID[in] MMU identifier
\param base_index[in] page table base index
\return MMU[ID].page_table_base_index
*/
extern hrt_data mmu_get_page_table_base_index(
const mmu_ID_t ID);
/*! Invalidate the page table cache of MMU[ID]
\param ID[in] MMU identifier
\return none
*/
extern void mmu_invalidate_cache(
const mmu_ID_t ID);
/*! Invalidate the page table cache of all MMUs
\return none
*/
extern void mmu_invalidate_cache_all(void);
/*! Write to a control register of MMU[ID]
\param ID[in] MMU identifier
\param reg[in] register index
\param value[in] The data to be written
\return none, MMU[ID].ctrl[reg] = value
*/
STORAGE_CLASS_MMU_H void mmu_reg_store(
const mmu_ID_t ID,
const unsigned int reg,
const hrt_data value);
/*! Read from a control register of MMU[ID]
\param ID[in] MMU identifier
\param reg[in] register index
\param value[in] The data to be written
\return MMU[ID].ctrl[reg]
*/
STORAGE_CLASS_MMU_H hrt_data mmu_reg_load(
const mmu_ID_t ID,
const unsigned int reg);
#endif /* __MMU_PUBLIC_H_INCLUDED__ */
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