| /* |
| * drivers/amlogic/media/common/codec_mm/secmem.h |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that 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. |
| * |
| */ |
| |
| #ifndef _LINUX_SECMEM_H_ |
| #define _LINUX_SECMEM_H_ |
| |
| #include <linux/ioctl.h> |
| #include <linux/types.h> |
| |
| struct secmem_block { |
| __u32 paddr; |
| __u32 size; |
| __u32 handle; |
| }; |
| |
| #define SECMEM_IOC_MAGIC 'S' |
| |
| #define SECMEM_EXPORT_DMA _IOWR(SECMEM_IOC_MAGIC, 0x01, int) |
| #define SECMEM_GET_HANDLE _IOWR(SECMEM_IOC_MAGIC, 0x02, int) |
| #define SECMEM_GET_PHYADDR _IOWR(SECMEM_IOC_MAGIC, 0x03, int) |
| #define SECMEM_IMPORT_DMA _IOWR(SECMEM_IOC_MAGIC, 0x04, int) |
| |
| #endif /* _LINUX_SECMEM_H_ */ |
