19d4fa1a1SMauro Carvalho Chehab /* 29d4fa1a1SMauro Carvalho Chehab * Support for Intel Camera Imaging ISP subsystem. 39d4fa1a1SMauro Carvalho Chehab * Copyright (c) 2015, Intel Corporation. 49d4fa1a1SMauro Carvalho Chehab * 59d4fa1a1SMauro Carvalho Chehab * This program is free software; you can redistribute it and/or modify it 69d4fa1a1SMauro Carvalho Chehab * under the terms and conditions of the GNU General Public License, 79d4fa1a1SMauro Carvalho Chehab * version 2, as published by the Free Software Foundation. 89d4fa1a1SMauro Carvalho Chehab * 99d4fa1a1SMauro Carvalho Chehab * This program is distributed in the hope it will be useful, but WITHOUT 109d4fa1a1SMauro Carvalho Chehab * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 119d4fa1a1SMauro Carvalho Chehab * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 129d4fa1a1SMauro Carvalho Chehab * more details. 139d4fa1a1SMauro Carvalho Chehab */ 149d4fa1a1SMauro Carvalho Chehab 159d4fa1a1SMauro Carvalho Chehab #ifndef __IA_CSS_MMU_H 169d4fa1a1SMauro Carvalho Chehab #define __IA_CSS_MMU_H 179d4fa1a1SMauro Carvalho Chehab 189d4fa1a1SMauro Carvalho Chehab /* @file 199d4fa1a1SMauro Carvalho Chehab * This file contains one support function for invalidating the CSS MMU cache 209d4fa1a1SMauro Carvalho Chehab */ 219d4fa1a1SMauro Carvalho Chehab 229d4fa1a1SMauro Carvalho Chehab /* @brief Invalidate the MMU internal cache. 239d4fa1a1SMauro Carvalho Chehab * @return None 249d4fa1a1SMauro Carvalho Chehab * 259d4fa1a1SMauro Carvalho Chehab * This function triggers an invalidation of the translate-look-aside 269d4fa1a1SMauro Carvalho Chehab * buffer (TLB) that's inside the CSS MMU. This function should be called 279d4fa1a1SMauro Carvalho Chehab * every time the page tables used by the MMU change. 289d4fa1a1SMauro Carvalho Chehab */ 299d4fa1a1SMauro Carvalho Chehab void 309d4fa1a1SMauro Carvalho Chehab ia_css_mmu_invalidate_cache(void); 319d4fa1a1SMauro Carvalho Chehab 329d4fa1a1SMauro Carvalho Chehab #endif /* __IA_CSS_MMU_H */ 33