drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_mmu.h

   1 /*
   2  * Support for Intel Camera Imaging ISP subsystem.
   3  * Copyright (c) 2015, Intel Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  */
  14
  15 #ifndef __IA_CSS_MMU_H
  16 #define __IA_CSS_MMU_H
  17
  18 /** @file
  19  * This file contains one support function for invalidating the CSS MMU cache
  20  */
  21
  22 /** @brief Invalidate the MMU internal cache.
  23  * @return      None
  24  *
  25  * This function triggers an invalidation of the translate-look-aside
  26  * buffer (TLB) that's inside the CSS MMU. This function should be called
  27  * every time the page tables used by the MMU change.
  28  */
  29 void
  30 ia_css_mmu_invalidate_cache(void);
  31
  32 #endif /* __IA_CSS_MMU_H */