61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
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* include/linux/amlogic/dev_ion.h
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*
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* Copyright (C) 2014 Amlogic, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __LINUX_AMLOGIC_ION_H__
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#define __LINUX_AMLOGIC_ION_H__
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//#include <linux/types.h>
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//#include <ion/ion.h>
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/**
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* CUSTOM IOCTL - CMD
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*/
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#define ION_IOC_MESON_PHYS_ADDR 8
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struct meson_phys_data {
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int handle;
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unsigned int phys_addr;
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unsigned int size;
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};
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#if 0
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/**
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* meson_ion_client_create() - allocate a client and returns it
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* @heap_type_mask: mask of heaps this client can allocate from
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* @name: used for debugging
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*/
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struct ion_client *meson_ion_client_create(unsigned int heap_mask,
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const char *name);
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/**
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* meson_ion_share_fd_to_phys -
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* associate with a share fd
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* @client: the client
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* @share_fd: passed from the user space
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* @addr point to the physical address
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* @size point to the size of this ion buffer
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*/
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int meson_ion_share_fd_to_phys(struct ion_client *client,
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int share_fd, ion_phys_addr_t *addr, size_t *len);
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#endif
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#endif
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