projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 6579324a TB |
1 | /* |
| 2 | * Tegra host1x Memory Management Abstraction header | |
| 3 | * | |
| 4 | * Copyright (c) 2012-2013, NVIDIA Corporation. | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify it | |
| 7 | * under the terms and conditions of the GNU General Public License, | |
| 8 | * version 2, as published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 13 | * more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef _HOST1X_BO_H | |
| 20 | #define _HOST1X_BO_H | |
| 21 | ||
| 22 | struct host1x_bo; | |
| 23 | ||
| 24 | struct host1x_bo_ops { | |
| 25 | struct host1x_bo *(*get)(struct host1x_bo *bo); | |
| 26 | void (*put)(struct host1x_bo *bo); | |
| 27 | dma_addr_t (*pin)(struct host1x_bo *bo, struct sg_table **sgt); | |
| 28 | void (*unpin)(struct host1x_bo *bo, struct sg_table *sgt); | |
| 29 | void *(*mmap)(struct host1x_bo *bo); | |
| 30 | void (*munmap)(struct host1x_bo *bo, void *addr); | |
| 31 | void *(*kmap)(struct host1x_bo *bo, unsigned int pagenum); | |
| 32 | void (*kunmap)(struct host1x_bo *bo, unsigned int pagenum, void *addr); | |
| 33 | }; | |
| 34 | ||
| 35 | struct host1x_bo { | |
| 36 | const struct host1x_bo_ops *ops; | |
| 37 | }; | |
| 38 | ||
| 39 | static inline void host1x_bo_init(struct host1x_bo *bo, | |
| 40 | const struct host1x_bo_ops *ops) | |
| 41 | { | |
| 42 | bo->ops = ops; | |
| 43 | } | |
| 44 | ||
| 45 | static inline struct host1x_bo *host1x_bo_get(struct host1x_bo *bo) | |
| 46 | { | |
| 47 | return bo->ops->get(bo); | |
| 48 | } | |
| 49 | ||
| 50 | static inline void host1x_bo_put(struct host1x_bo *bo) | |
| 51 | { | |
| 52 | bo->ops->put(bo); | |
| 53 | } | |
| 54 | ||
| 55 | static inline dma_addr_t host1x_bo_pin(struct host1x_bo *bo, | |
| 56 | struct sg_table **sgt) | |
| 57 | { | |
| 58 | return bo->ops->pin(bo, sgt); | |
| 59 | } | |
| 60 | ||
| 61 | static inline void host1x_bo_unpin(struct host1x_bo *bo, struct sg_table *sgt) | |
| 62 | { | |
| 63 | bo->ops->unpin(bo, sgt); | |
| 64 | } | |
| 65 | ||
| 66 | static inline void *host1x_bo_mmap(struct host1x_bo *bo) | |
| 67 | { | |
| 68 | return bo->ops->mmap(bo); | |
| 69 | } | |
| 70 | ||
| 71 | static inline void host1x_bo_munmap(struct host1x_bo *bo, void *addr) | |
| 72 | { | |
| 73 | bo->ops->munmap(bo, addr); | |
| 74 | } | |
| 75 | ||
| 76 | static inline void *host1x_bo_kmap(struct host1x_bo *bo, unsigned int pagenum) | |
| 77 | { | |
| 78 | return bo->ops->kmap(bo, pagenum); | |
| 79 | } | |
| 80 | ||
| 81 | static inline void host1x_bo_kunmap(struct host1x_bo *bo, | |
| 82 | unsigned int pagenum, void *addr) | |
| 83 | { | |
| 84 | bo->ops->kunmap(bo, pagenum, addr); | |
| 85 | } | |
| 86 | ||
| 87 | #endif |