1 /* 2 * Copyright@ Samsung Electronics Co. LTD 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _S3C_MEM_COMMON_H_ 18 #define _S3C_MEM_COMMON_H_ 19 20 #define MEM_IOCTL_MAGIC 'M' 21 22 #define S3C_MEM_ALLOC _IOWR(MEM_IOCTL_MAGIC, 310, struct s3c_mem_alloc) 23 #define S3C_MEM_FREE _IOWR(MEM_IOCTL_MAGIC, 311, struct s3c_mem_alloc) 24 25 #define S3C_MEM_SHARE_ALLOC _IOWR(MEM_IOCTL_MAGIC, 314, struct s3c_mem_alloc) 26 #define S3C_MEM_SHARE_FREE _IOWR(MEM_IOCTL_MAGIC, 315, struct s3c_mem_alloc) 27 28 #define S3C_MEM_CACHEABLE_ALLOC _IOWR(MEM_IOCTL_MAGIC, 316, struct s3c_mem_alloc) 29 #define S3C_MEM_CACHEABLE_SHARE_ALLOC _IOWR(MEM_IOCTL_MAGIC, 317, struct s3c_mem_alloc) 30 31 #define S3C_MEM_DMA_COPY _IOWR(MEM_IOCTL_MAGIC, 318, struct s3c_mem_dma_param) 32 #define S3C_MEM_DMA_SET _IOWR(MEM_IOCTL_MAGIC, 319, struct s3c_mem_dma_param) 33 34 #define S3C_MEM_CACHE_INV _IOWR(MEM_IOCTL_MAGIC, 330, struct s3c_mem_dma_param) 35 36 37 struct s3c_mem_alloc { 38 int size; 39 unsigned int vir_addr; 40 unsigned int phy_addr; 41 }; 42 43 struct s3c_mem_dma_param { 44 int size; 45 unsigned int src_addr; 46 unsigned int dst_addr; 47 int cfg; 48 }; 49 50 #if 0 51 typedef struct _s3c_mem_t{ 52 int dev_fd; 53 struct s3c_mem_alloc mem_alloc_info; 54 }s3c_mem_t; 55 #endif 56 #endif // _S3C_MEM_COMMON_H_ 57