include/exynos_ion.h

   1 /*
   2  * Copyright (C) 2014 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 _LIB_ION_H_
  18 #define _LIB_ION_H_
  19
  20 #ifndef ION_HEAP_SYSTEM_MASK
  21 #define ION_HEAP_SYSTEM_MASK            (1 << 0)
  22 #endif
  23 #define ION_HEAP_EXYNOS_CONTIG_MASK     (1 << 4)
  24 #define ION_EXYNOS_VIDEO_EXT_MASK       (1 << 31)
  25 #define ION_EXYNOS_VIDEO_EXT2_MASK      (1 << 29)
  26 #define ION_EXYNOS_FIMD_VIDEO_MASK      (1 << 28)
  27 #define ION_EXYNOS_GSC_MASK             (1 << 27)
  28 #define ION_EXYNOS_MFC_OUTPUT_MASK      (1 << 26)
  29 #define ION_EXYNOS_MFC_INPUT_MASK       (1 << 25)
  30 #define ION_EXYNOS_G2D_WFD_MASK         (1 << 22)
  31 #define ION_EXYNOS_VIDEO_MASK           (1 << 21)
  32
  33 enum {
  34         ION_EXYNOS_HEAP_ID_CRYPTO           = 1,
  35         ION_EXYNOS_HEAP_ID_VIDEO_FW         = 2,
  36         ION_EXYNOS_HEAP_ID_VIDEO_STREAM     = 3,
  37         ION_EXYNOS_HEAP_ID_RESERVED         = 4,
  38         ION_EXYNOS_HEAP_ID_VIDEO_FRAME      = 5,
  39         ION_EXYNOS_HEAP_ID_VIDEO_SCALER     = 6,
  40         ION_EXYNOS_HEAP_ID_VIDEO_NFW        = 7,
  41         ION_EXYNOS_HEAP_ID_GPU_CRC          = 8,
  42         ION_EXYNOS_HEAP_ID_GPU_BUFFER       = 9,
  43         ION_EXYNOS_HEAP_ID_CAMERA           = 10,
  44 };
  45
  46 #define EXYNOS_ION_HEAP_CRYPTO_MASK         (1 << ION_EXYNOS_HEAP_ID_CRYPTO)
  47 #define EXYNOS_ION_HEAP_VIDEO_FW_MASK       (1 << ION_EXYNOS_HEAP_ID_VIDEO_FW)
  48 #define EXYNOS_ION_HEAP_VIDEO_STREAM_MASK   (1 << ION_EXYNOS_HEAP_ID_VIDEO_STREAM)
  49 #define EXYNOS_ION_HEAP_VIDEO_FRAME_MASK    (1 << ION_EXYNOS_HEAP_ID_VIDEO_FRAME)
  50 #define EXYNOS_ION_HEAP_VIDEO_SCALER_MASK   (1 << ION_EXYNOS_HEAP_ID_VIDEO_SCALER)
  51 #define EXYNOS_ION_HEAP_VIDEO_NFW_MASK      (1 << ION_EXYNOS_HEAP_ID_VIDEO_NFW)
  52 #define EXYNOS_ION_HEAP_GPU_CRC             (1 << ION_EXYNOS_HEAP_ID_GPU_CRC)
  53 #define EXYNOS_ION_HEAP_GPU_BUFFER          (1 << ION_EXYNOS_HEAP_ID_GPU_BUFFER)
  54 #define EXYNOS_ION_HEAP_CAMERA              (1 << ION_EXYNOS_HEAP_ID_CAMERA)
  55
  56 /*
  57  * Values taken from Linux kernel to keep /system/core clean.
  58  * Normally, these would go into libion/kernel-headers/linux/ion.h.
  59  */
  60 #ifndef ION_FLAG_NOZEROED
  61 #define ION_FLAG_NOZEROED 8             /* Allocated buffer is not initialized
  62                                            with zero value and userspace is not
  63                                            able to access the buffer
  64                                          */
  65 #endif
  66 #ifndef ION_FLAG_PROTECTED
  67 #define ION_FLAG_PROTECTED 16           /* this buffer would be used in secure
  68                                            world. if this is set, all cpu accesses
  69                                            are prohibited.
  70                                          */
  71 #endif
  72 #ifndef ION_FLAG_SYNC_FORCE
  73 #define ION_FLAG_SYNC_FORCE 32          /* cache sync forcely at allocation */
  74 #endif
  75
  76 #endif /* _LIB_ION_H_ */