60 lines
2.3 KiB
C
60 lines
2.3 KiB
C
/*
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* drivers/video/tegra/host/nvmap.h
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*
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* Tegra Graphics Host nvmap memory manager
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*
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* Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __NVHOST_NVMAP_H
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#define __NVHOST_NVMAP_H
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#include "nvhost_memmgr.h"
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struct nvhost_chip_support;
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struct platform_device;
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struct sg_table;
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struct mem_mgr *nvhost_nvmap_alloc_mgr(void);
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void nvhost_nvmap_put_mgr(struct mem_mgr *mgr);
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struct mem_mgr *nvhost_nvmap_get_mgr(struct mem_mgr *mgr);
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struct mem_mgr *nvhost_nvmap_get_mgr_file(int fd);
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struct mem_handle *nvhost_nvmap_alloc(struct mem_mgr *mgr,
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size_t size, size_t align, int flags, unsigned int heap_flags);
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void nvhost_nvmap_put(struct mem_mgr *mgr, struct mem_handle *handle);
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struct sg_table *nvhost_nvmap_pin(struct mem_mgr *mgr,
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struct mem_handle *handle, struct device *dev, int rw_flag);
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void nvhost_nvmap_unpin(struct mem_mgr *mgr, struct mem_handle *handle,
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struct device *dev, struct sg_table *sgt);
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void *nvhost_nvmap_mmap(struct mem_handle *handle);
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void nvhost_nvmap_munmap(struct mem_handle *handle, void *addr);
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void *nvhost_nvmap_kmap(struct mem_handle *handle, unsigned int pagenum);
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void nvhost_nvmap_kunmap(struct mem_handle *handle, unsigned int pagenum,
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void *addr);
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struct mem_handle *nvhost_nvmap_get(struct mem_mgr *mgr,
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ulong id, struct platform_device *dev);
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int nvhost_nvmap_get_param(struct mem_mgr *mgr, struct mem_handle *handle,
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u32 param, u64 *result);
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phys_addr_t nvhost_nvmap_get_addr_from_id(ulong id);
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void nvhost_nvmap_unpin_id(struct mem_mgr *mgr, ulong id);
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void nvhost_nvmap_get_comptags(struct mem_handle *mem,
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struct nvhost_comptags *comptags);
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int nvhost_nvmap_alloc_comptags(struct mem_handle *mem,
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struct nvhost_allocator *allocator,
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int lines);
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#endif
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