2 * Tegra host1x Memory Management Abstraction header
4 * Copyright (c) 2012-2013, NVIDIA Corporation.
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.
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
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/>.
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
);
36 const struct host1x_bo_ops
*ops
;
39 static inline void host1x_bo_init(struct host1x_bo
*bo
,
40 const struct host1x_bo_ops
*ops
)
45 static inline struct host1x_bo
*host1x_bo_get(struct host1x_bo
*bo
)
47 return bo
->ops
->get(bo
);
50 static inline void host1x_bo_put(struct host1x_bo
*bo
)
55 static inline dma_addr_t
host1x_bo_pin(struct host1x_bo
*bo
,
56 struct sg_table
**sgt
)
58 return bo
->ops
->pin(bo
, sgt
);
61 static inline void host1x_bo_unpin(struct host1x_bo
*bo
, struct sg_table
*sgt
)
63 bo
->ops
->unpin(bo
, sgt
);
66 static inline void *host1x_bo_mmap(struct host1x_bo
*bo
)
68 return bo
->ops
->mmap(bo
);
71 static inline void host1x_bo_munmap(struct host1x_bo
*bo
, void *addr
)
73 bo
->ops
->munmap(bo
, addr
);
76 static inline void *host1x_bo_kmap(struct host1x_bo
*bo
, unsigned int pagenum
)
78 return bo
->ops
->kmap(bo
, pagenum
);
81 static inline void host1x_bo_kunmap(struct host1x_bo
*bo
,
82 unsigned int pagenum
, void *addr
)
84 bo
->ops
->kunmap(bo
, pagenum
, addr
);