projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 871d812a RC |
1 | /* |
| 2 | * Copyright (C) 2013 Red Hat | |
| 3 | * Author: Rob Clark <robdclark@gmail.com> | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU General Public License version 2 as published by | |
| 7 | * the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program is distributed in the hope that 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 | * You should have received a copy of the GNU General Public License along with | |
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef __MSM_MMU_H__ | |
| 19 | #define __MSM_MMU_H__ | |
| 20 | ||
| 21 | #include <linux/iommu.h> | |
| 22 | ||
| 23 | struct msm_mmu_funcs { | |
| 24 | int (*attach)(struct msm_mmu *mmu, const char **names, int cnt); | |
| 87e956e9 | 25 | void (*detach)(struct msm_mmu *mmu, const char **names, int cnt); |
| 871d812a RC |
26 | int (*map)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt, |
| 27 | unsigned len, int prot); | |
| 28 | int (*unmap)(struct msm_mmu *mmu, uint32_t iova, struct sg_table *sgt, | |
| 29 | unsigned len); | |
| 30 | void (*destroy)(struct msm_mmu *mmu); | |
| 31 | }; | |
| 32 | ||
| 33 | struct msm_mmu { | |
| 34 | const struct msm_mmu_funcs *funcs; | |
| 35 | struct drm_device *dev; | |
| 36 | }; | |
| 37 | ||
| 38 | static inline void msm_mmu_init(struct msm_mmu *mmu, struct drm_device *dev, | |
| 39 | const struct msm_mmu_funcs *funcs) | |
| 40 | { | |
| 41 | mmu->dev = dev; | |
| 42 | mmu->funcs = funcs; | |
| 43 | } | |
| 44 | ||
| 45 | struct msm_mmu *msm_iommu_new(struct drm_device *dev, struct iommu_domain *domain); | |
| 46 | struct msm_mmu *msm_gpummu_new(struct drm_device *dev, struct msm_gpu *gpu); | |
| 47 | ||
| 48 | #endif /* __MSM_MMU_H__ */ |