1871d812aSRob Clark /* 2871d812aSRob Clark * Copyright (C) 2013 Red Hat 3871d812aSRob Clark * Author: Rob Clark <robdclark@gmail.com> 4871d812aSRob Clark * 5871d812aSRob Clark * This program is free software; you can redistribute it and/or modify it 6871d812aSRob Clark * under the terms of the GNU General Public License version 2 as published by 7871d812aSRob Clark * the Free Software Foundation. 8871d812aSRob Clark * 9871d812aSRob Clark * This program is distributed in the hope that it will be useful, but WITHOUT 10871d812aSRob Clark * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11871d812aSRob Clark * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12871d812aSRob Clark * more details. 13871d812aSRob Clark * 14871d812aSRob Clark * You should have received a copy of the GNU General Public License along with 15871d812aSRob Clark * this program. If not, see <http://www.gnu.org/licenses/>. 16871d812aSRob Clark */ 17871d812aSRob Clark 18871d812aSRob Clark #ifndef __MSM_MMU_H__ 19871d812aSRob Clark #define __MSM_MMU_H__ 20871d812aSRob Clark 21871d812aSRob Clark #include <linux/iommu.h> 22871d812aSRob Clark 23871d812aSRob Clark struct msm_mmu_funcs { 24871d812aSRob Clark int (*attach)(struct msm_mmu *mmu, const char **names, int cnt); 2587e956e9SStephane Viau void (*detach)(struct msm_mmu *mmu, const char **names, int cnt); 26871d812aSRob Clark int (*map)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt, 27871d812aSRob Clark unsigned len, int prot); 28871d812aSRob Clark int (*unmap)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt, 29871d812aSRob Clark unsigned len); 30871d812aSRob Clark void (*destroy)(struct msm_mmu *mmu); 31871d812aSRob Clark }; 32871d812aSRob Clark 33871d812aSRob Clark struct msm_mmu { 34871d812aSRob Clark const struct msm_mmu_funcs *funcs; 35944fc36cSRob Clark struct device *dev; 36871d812aSRob Clark }; 37871d812aSRob Clark 38944fc36cSRob Clark static inline void msm_mmu_init(struct msm_mmu *mmu, struct device *dev, 39871d812aSRob Clark const struct msm_mmu_funcs *funcs) 40871d812aSRob Clark { 41871d812aSRob Clark mmu->dev = dev; 42871d812aSRob Clark mmu->funcs = funcs; 43871d812aSRob Clark } 44871d812aSRob Clark 45944fc36cSRob Clark struct msm_mmu *msm_iommu_new(struct device *dev, struct iommu_domain *domain); 46944fc36cSRob Clark struct msm_mmu *msm_gpummu_new(struct device *dev, struct msm_gpu *gpu); 47871d812aSRob Clark 48871d812aSRob Clark #endif /* __MSM_MMU_H__ */ 49