1/*
2 *
3 * Copyright (C) 2014 ROCKCHIP, Inc.
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#ifndef _LINUX_ROCKCHIP_ION_H
17#define _LINUX_ROCKCHIP_ION_H
18
19#ifdef __KERNEL__
20#include "../../drivers/staging/android/ion/ion.h"
21#else
22#include <linux/ion.h>
23#endif
24
25struct ion_phys_data {
26    ion_user_handle_t handle;
27    unsigned long phys;
28    unsigned long size;
29};
30
31#define ION_IOC_ROCKCHIP_MAGIC 'R'
32
33/* Get phys addr of the handle specified. */
34#define ION_IOC_GET_PHYS _IOWR(ION_IOC_ROCKCHIP_MAGIC, 0, struct ion_phys_data)
35
36extern struct ion_device *rockchip_ion_dev;
37
38struct ion_client *rockchip_ion_client_create(const char *name);
39
40#endif
41