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/*
* drivers/video/tegra/host/dmabuf.h
*
* Tegra Graphics Host dmabuf memory manager
*
* Copyright (c) 2012, NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __NVHOST_DMABUF_H
#define __NVHOST_DMABUF_H
#include "nvhost_memmgr.h"
struct nvhost_chip_support;
struct platform_device;
struct mem_mgr *nvhost_dmabuf_alloc_mgr(void);
void nvhost_dmabuf_put_mgr(struct mem_mgr *mgr);
struct mem_mgr *nvhost_dmabuf_get_mgr(struct mem_mgr *mgr);
struct mem_mgr *nvhost_dmabuf_get_mgr_file(int fd);
struct mem_handle *nvhost_dmabuf_alloc(struct mem_mgr *mgr,
size_t size, size_t align, int flags);
void nvhost_dmabuf_put(struct mem_handle *handle);
struct sg_table *nvhost_dmabuf_pin(struct mem_handle *handle);
void nvhost_dmabuf_unpin(struct mem_handle *handle, struct sg_table *sgt);
void *nvhost_dmabuf_mmap(struct mem_handle *handle);
void nvhost_dmabuf_munmap(struct mem_handle *handle, void *addr);
void *nvhost_dmabuf_kmap(struct mem_handle *handle, unsigned int pagenum);
void nvhost_dmabuf_kunmap(struct mem_handle *handle, unsigned int pagenum,
void *addr);
struct mem_handle *nvhost_dmabuf_get(ulong id, struct platform_device *dev);
int nvhost_dmabuf_get_param(struct mem_mgr *memmgr, struct mem_handle *handle,
u32 param, u64 *result);
#endif
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