tizen 2.3.1 releasetizen_2.3.1_releasesubmit/tizen_2.3.1/20150915.072243tizen_2.3.1

2 files changed, 1667 insertions, 0 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..704e030
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,11 @@
+AM_CFLAGS = \
+	@LIBTBM_EXYNOS4412_CFLAGS@ \
+	-I$(top_srcdir) \
+	-I$(top_srcdir)/src
+
+libtbm_exynos4412_la_LTLIBRARIES = libtbm_exynos4412.la
+libtbm_exynos4412_ladir = /${bufmgr_dir}
+libtbm_exynos4412_la_LIBADD = @LIBTBM_EXYNOS4412_LIBS@
+
+libtbm_exynos4412_la_SOURCES = \
+	tbm_bufmgr_exynos4412.c
diff --git a/src/tbm_bufmgr_exynos4412.c b/src/tbm_bufmgr_exynos4412.c
new file mode 100755
index 0000000..7ea8e01
--- /dev/null
+++ b/src/tbm_bufmgr_exynos4412.c
@@ -0,0 +1,1656 @@
+/**************************************************************************
+
+libtbm_exynos4412
+
+Copyright 2012 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>, Sangjin Lee <lsj119@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <xf86drm.h>
+#include <tbm_bufmgr.h>
+#include <tbm_bufmgr_backend.h>
+#include <exynos_drm.h>
+#include <pthread.h>
+#include <tbm_surface.h>
+#include <tbm_surface_internal.h>
+
+#define DEBUG
+#define USE_DMAIMPORT
+#define TBM_COLOR_FORMAT_COUNT 8
+
+#ifdef DEBUG
+#define LOG_TAG	"TBM_BACKEND"
+#include <dlog.h>
+static int bDebug=0;
+
+char* target_name()
+{
+    FILE *f;
+    char *slash;
+    static int 	initialized = 0;
+    static char app_name[128];
+
+    if ( initialized )
+        return app_name;
+
+    /* get the application name */
+    f = fopen("/proc/self/cmdline", "r");
+
+    if ( !f )
+    {
+        return 0;
+    }
+
+    memset(app_name, 0x00, sizeof(app_name));
+
+    if ( fgets(app_name, 100, f) == NULL )
+    {
+        fclose(f);
+        return 0;
+    }
+
+    fclose(f);
+
+    if ( (slash=strrchr(app_name, '/')) != NULL )
+    {
+        memmove(app_name, slash+1, strlen(slash));
+    }
+
+    initialized = 1;
+
+    return app_name;
+}
+#define TBM_EXYNOS4412_LOG(fmt, args...)		LOGE("\033[31m"  "[%s]" fmt "\033[0m", target_name(), ##args)
+#define DBG(fmt, args...)		if(bDebug&01) LOGE("[%s]" fmt, target_name(), ##args)
+#else
+#define TBM_EXYNOS4412_LOG(...)
+#define DBG(...)
+#endif
+
+#define SIZE_ALIGN( value, base ) (((value) + ((base) - 1)) & ~((base) - 1))
+
+#define TBM_SURFACE_ALIGNMENT_PLANE (64)
+#define TBM_SURFACE_ALIGNMENT_PITCH_RGB (64)
+#define TBM_SURFACE_ALIGNMENT_PITCH_YUV (16)
+
+
+/* check condition */
+#define EXYNOS4412_RETURN_IF_FAIL(cond) {\
+    if (!(cond)) {\
+        TBM_EXYNOS4412_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+        return;\
+    }\
+}
+#define EXYNOS4412_RETURN_VAL_IF_FAIL(cond, val) {\
+    if (!(cond)) {\
+        TBM_EXYNOS4412_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+        return val;\
+    }\
+}
+
+struct dma_buf_info {
+	unsigned long	size;
+	unsigned int	fence_supported;
+	unsigned int	padding;
+};
+
+#define DMA_BUF_ACCESS_READ		0x1
+#define DMA_BUF_ACCESS_WRITE		0x2
+#define DMA_BUF_ACCESS_DMA		0x4
+#define DMA_BUF_ACCESS_MAX		0x8
+
+#define DMA_FENCE_LIST_MAX 		5
+
+struct dma_buf_fence {
+	unsigned long		ctx;
+	unsigned int		type;
+};
+
+#define DMABUF_IOCTL_BASE	'F'
+#define DMABUF_IOWR(nr, type)	_IOWR(DMABUF_IOCTL_BASE, nr, type)
+
+#define DMABUF_IOCTL_GET_INFO	DMABUF_IOWR(0x00, struct dma_buf_info)
+#define DMABUF_IOCTL_GET_FENCE	DMABUF_IOWR(0x01, struct dma_buf_fence)
+#define DMABUF_IOCTL_PUT_FENCE	DMABUF_IOWR(0x02, struct dma_buf_fence)
+
+typedef struct _tbm_bufmgr_exynos4412 *tbm_bufmgr_exynos4412;
+typedef struct _tbm_bo_exynos4412 *tbm_bo_exynos4412;
+
+typedef struct _exynos4412_private
+{
+    int ref_count;
+} PrivGem;
+
+/* tbm buffor object for exynos4412 */
+struct _tbm_bo_exynos4412
+{
+    int fd;
+
+    unsigned int name;    /* FLINK ID */
+
+    unsigned int gem;     /* GEM Handle */
+
+    unsigned int dmabuf;  /* fd for dmabuf */
+
+    void *pBase;          /* virtual address */
+
+    unsigned int size;
+
+    unsigned int flags_exynos;
+    unsigned int flags_tbm;
+
+    PrivGem* private;
+
+    pthread_mutex_t mutex;
+    struct dma_buf_fence dma_fence[DMA_FENCE_LIST_MAX];
+    int device;
+    int opt;
+};
+
+/* tbm bufmgr private for exynos4412 */
+struct _tbm_bufmgr_exynos4412
+{
+    int fd;
+    int isLocal;
+    void* hashBos;
+
+    int use_dma_fence;
+};
+
+char *STR_DEVICE[]=
+{
+    "DEF",
+    "CPU",
+    "2D",
+    "3D",
+    "MM"
+};
+
+char *STR_OPT[]=
+{
+    "NONE",
+    "RD",
+    "WR",
+    "RDWR"
+};
+
+
+uint32_t tbm_exynos4412_color_format_list[TBM_COLOR_FORMAT_COUNT] = {   TBM_FORMAT_RGBA8888,
+																		TBM_FORMAT_BGRA8888,
+																		TBM_FORMAT_RGBX8888,
+																		TBM_FORMAT_RGB888,
+																		TBM_FORMAT_NV12,
+																		TBM_FORMAT_NV21,
+																		TBM_FORMAT_YUV420,
+																		TBM_FORMAT_YVU420 };
+
+
+static unsigned int
+_get_exynos_flag_from_tbm (unsigned int ftbm)
+{
+    unsigned int flags = 0;
+
+    if (ftbm & TBM_BO_SCANOUT)
+        flags |= EXYNOS_BO_CONTIG;
+    else
+        flags |= EXYNOS_BO_NONCONTIG;
+
+    if (ftbm & TBM_BO_WC)
+        flags |= EXYNOS_BO_WC;
+    else if (ftbm & TBM_BO_NONCACHABLE)
+        flags |= EXYNOS_BO_NONCACHABLE;
+    else
+        flags |= EXYNOS_BO_CACHABLE;
+
+    return flags;
+}
+
+static unsigned int
+_get_tbm_flag_from_exynos (unsigned int fexynos)
+{
+    unsigned int flags = 0;
+
+    if (fexynos & EXYNOS_BO_NONCONTIG)
+        flags |= TBM_BO_DEFAULT;
+    else
+        flags |= TBM_BO_SCANOUT;
+
+    if (fexynos & EXYNOS_BO_WC)
+        flags |= TBM_BO_WC;
+    else if (fexynos & EXYNOS_BO_CACHABLE)
+        flags |= TBM_BO_DEFAULT;
+    else
+        flags |= TBM_BO_NONCACHABLE;
+
+    return flags;
+}
+
+static unsigned int
+_get_name (int fd, unsigned int gem)
+{
+    struct drm_gem_flink arg = {0,};
+
+    arg.handle = gem;
+    if (drmIoctl (fd, DRM_IOCTL_GEM_FLINK, &arg))
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "error %s:%d fail to get flink gem=%d\n",
+                 getpid(), __FUNCTION__, __LINE__, gem);
+        return 0;
+    }
+
+    return (unsigned int)arg.name;
+}
+
+static tbm_bo_handle
+_exynos4412_bo_handle (tbm_bo_exynos4412 bo_exynos4412, int device)
+{
+    tbm_bo_handle bo_handle;
+    memset (&bo_handle, 0x0, sizeof (uint64_t));
+
+    switch(device)
+    {
+    case TBM_DEVICE_DEFAULT:
+    case TBM_DEVICE_2D:
+        bo_handle.u32 = (uint32_t)bo_exynos4412->gem;
+        break;
+    case TBM_DEVICE_CPU:
+        if (!bo_exynos4412->pBase)
+        {
+            struct drm_exynos_gem_mmap arg = {0,};
+
+            arg.handle = bo_exynos4412->gem;
+            arg.size = bo_exynos4412->size;
+            if (drmCommandWriteRead (bo_exynos4412->fd, DRM_EXYNOS_GEM_MMAP, &arg, sizeof(arg)))
+            {
+                TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                         "error %s:%d Cannot usrptr gem=%d\n",
+                         getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+                return (tbm_bo_handle) NULL;
+            }
+            bo_exynos4412->pBase = (void*)((uint32_t)arg.mapped);
+        }
+
+        bo_handle.ptr = (void *)bo_exynos4412->pBase;
+        break;
+    case TBM_DEVICE_3D:
+#ifdef USE_DMAIMPORT
+        if (bo_exynos4412->dmabuf)
+        {
+            bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
+            break;
+        }
+
+        if (!bo_exynos4412->dmabuf)
+        {
+            struct drm_prime_handle arg = {0, };
+
+            arg.handle = bo_exynos4412->gem;
+            if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+            {
+                TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                         "error %s:%d Cannot dmabuf=%d\n",
+                         getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+                return (tbm_bo_handle) NULL;
+            }
+            bo_exynos4412->dmabuf = arg.fd;
+        }
+
+        bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
+#endif
+        break;
+    case TBM_DEVICE_MM:
+        if (!bo_exynos4412->dmabuf)
+        {
+            struct drm_prime_handle arg = {0, };
+
+            arg.handle = bo_exynos4412->gem;
+            if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+            {
+                TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                         "error %s:%d Cannot dmabuf=%d\n",
+                         getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+                return (tbm_bo_handle) NULL;
+            }
+            bo_exynos4412->dmabuf = arg.fd;
+        }
+
+        bo_handle.u32 = (uint32_t)bo_exynos4412->dmabuf;
+        break;
+    default:
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "error %s:%d Not supported device:%d\n",
+                 getpid(), __FUNCTION__, __LINE__, device);
+        bo_handle.ptr = (void *) NULL;
+        break;
+    }
+
+    return bo_handle;
+}
+
+static int
+_exynos4412_cache_flush (int fd, tbm_bo_exynos4412 bo_exynos4412, int flags)
+{
+#ifdef ENABLE_CACHECRTL
+    struct drm_exynos_gem_cache_op cache_op = {0, };
+    int ret;
+
+    /* if bo_exynos4412 is null, do cache_flush_all */
+    if(bo_exynos4412)
+    {
+        cache_op.flags = 0;
+        cache_op.usr_addr = (uint64_t)((uint32_t)bo_exynos4412->pBase);
+        cache_op.size = bo_exynos4412->size;
+    }
+    else
+    {
+        flags = TBM_CACHE_FLUSH_ALL;
+        cache_op.flags = 0;
+        cache_op.usr_addr = 0;
+        cache_op.size = 0;
+    }
+
+    if (flags & TBM_CACHE_INV)
+    {
+        if(flags & TBM_CACHE_ALL)
+            cache_op.flags |= EXYNOS_DRM_CACHE_INV_ALL;
+        else
+            cache_op.flags |= EXYNOS_DRM_CACHE_INV_RANGE;
+    }
+
+    if (flags & TBM_CACHE_CLN)
+    {
+        if(flags & TBM_CACHE_ALL)
+            cache_op.flags |= EXYNOS_DRM_CACHE_CLN_ALL;
+        else
+            cache_op.flags |= EXYNOS_DRM_CACHE_CLN_RANGE;
+    }
+
+    if(flags & TBM_CACHE_ALL)
+        cache_op.flags |= EXYNOS_DRM_ALL_CACHES_CORES;
+
+    ret = drmCommandWriteRead (fd, DRM_EXYNOS_GEM_CACHE_OP, &cache_op, sizeof(cache_op));
+    if (ret)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "error %s:%d fail to flush the cache.\n",
+                 getpid(), __FUNCTION__, __LINE__);
+        return 0;
+    }
+#else
+    TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+             "warning %s:%d fail to enable the cache flush.\n",
+             getpid(), __FUNCTION__, __LINE__);
+#endif
+    return 1;
+}
+
+static int
+tbm_exynos4412_bo_size (tbm_bo bo)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+
+    return bo_exynos4412->size;
+}
+
+static void *
+tbm_exynos4412_bo_alloc (tbm_bo bo, int size, int flags)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_exynos4412 bo_exynos4412;
+    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+    unsigned int exynos_flags;
+
+    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+    bo_exynos4412 = calloc (1, sizeof(struct _tbm_bo_exynos4412));
+    if (!bo_exynos4412)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "error %s:%d fail to allocate the bo private\n",
+                 getpid(), __FUNCTION__, __LINE__);
+        return 0;
+    }
+
+    exynos_flags = _get_exynos_flag_from_tbm (flags);
+    if((flags & TBM_BO_SCANOUT) &&
+        size <= 4*1024)
+    {
+        exynos_flags |= EXYNOS_BO_NONCONTIG;
+    }
+
+    struct drm_exynos_gem_create arg = {0, };
+    arg.size = size;
+    arg.flags = exynos_flags;
+    if (drmCommandWriteRead(bufmgr_exynos4412->fd, DRM_EXYNOS_GEM_CREATE, &arg, sizeof(arg)))
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "error %s:%d Cannot create bo(flag:%x, size:%d)\n",
+                 getpid(), __FUNCTION__, __LINE__, arg.flags, (unsigned int)arg.size);
+        free (bo_exynos4412);
+        return 0;
+    }
+
+    bo_exynos4412->fd = bufmgr_exynos4412->fd;
+    bo_exynos4412->gem = arg.handle;
+    bo_exynos4412->size = size;
+    bo_exynos4412->flags_tbm = flags;
+    bo_exynos4412->flags_exynos = exynos_flags;
+    bo_exynos4412->name = _get_name (bo_exynos4412->fd, bo_exynos4412->gem);
+
+    pthread_mutex_init(&bo_exynos4412->mutex, NULL);
+
+    if (bufmgr_exynos4412->use_dma_fence
+        && !bo_exynos4412->dmabuf)
+    {
+        struct drm_prime_handle arg = {0, };
+
+        arg.handle = bo_exynos4412->gem;
+        if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d Cannot dmabuf=%d\n",
+                    getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+            free (bo_exynos4412);
+            return 0;
+        }
+        bo_exynos4412->dmabuf = arg.fd;
+    }
+
+    /* add bo to hash */
+    PrivGem* privGem = calloc (1, sizeof(PrivGem));
+    if (!privGem)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Fail to calloc privGem\n",
+                getpid(), __FUNCTION__, __LINE__);
+        free (bo_exynos4412);
+        return 0;
+    }
+
+    privGem->ref_count = 1;
+    if (drmHashInsert(bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void *)privGem) < 0)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "error %s:%d Cannot insert bo to Hash(%d)\n",
+                 getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name);
+    }
+
+    DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+         __FUNCTION__, bo_exynos4412->size,
+         bo_exynos4412->gem, bo_exynos4412->name,
+         flags, exynos_flags);
+
+    return (void *)bo_exynos4412;
+}
+
+static void
+tbm_exynos4412_bo_free(tbm_bo bo)
+{
+    tbm_bo_exynos4412 bo_exynos4412;
+    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+
+    if (!bo)
+        return;
+
+    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+    EXYNOS4412_RETURN_IF_FAIL (bufmgr_exynos4412!=NULL);
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_IF_FAIL (bo_exynos4412!=NULL);
+
+    DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d)\n",
+         getpid(), __FUNCTION__, bo_exynos4412->size, bo_exynos4412->gem, bo_exynos4412->name);
+
+    if (bo_exynos4412->pBase)
+    {
+        if (munmap(bo_exynos4412->pBase, bo_exynos4412->size) == -1)
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                     "error %s:%d\n",
+                     getpid(), __FUNCTION__, __LINE__);
+        }
+    }
+
+    /* close dmabuf */
+    if (bo_exynos4412->dmabuf)
+    {
+        close (bo_exynos4412->dmabuf);
+        bo_exynos4412->dmabuf = 0;
+    }
+
+    /* delete bo from hash */
+    PrivGem *privGem = NULL;
+    int ret;
+
+    ret = drmHashLookup (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void**)&privGem);
+    if (ret == 0)
+    {
+        privGem->ref_count--;
+        if (privGem->ref_count == 0)
+        {
+            drmHashDelete (bufmgr_exynos4412->hashBos, bo_exynos4412->name);
+            free (privGem);
+            privGem = NULL;
+        }
+    }
+    else
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "warning %s:%d Cannot find bo to Hash(%d), ret=%d\n",
+                 getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name, ret);
+    }
+
+    /* Free gem handle */
+    struct drm_gem_close arg = {0, };
+    memset (&arg, 0, sizeof(arg));
+    arg.handle = bo_exynos4412->gem;
+    if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_GEM_CLOSE, &arg))
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                 "error %s:%d\n",
+                 getpid(), __FUNCTION__, __LINE__);
+    }
+
+    free (bo_exynos4412);
+}
+
+
+static void *
+tbm_exynos4412_bo_import (tbm_bo bo, unsigned int key)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+    struct drm_gem_open arg = {0, };
+    struct drm_exynos_gem_info info = {0, };
+
+    arg.name = key;
+    if (drmIoctl(bufmgr_exynos4412->fd, DRM_IOCTL_GEM_OPEN, &arg))
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Cannot open gem name=%d\n",
+                getpid(), __FUNCTION__, __LINE__, key);
+        return 0;
+    }
+
+    info.handle = arg.handle;
+    if (drmCommandWriteRead(bufmgr_exynos4412->fd,
+                           DRM_EXYNOS_GEM_GET,
+                           &info,
+                           sizeof(struct drm_exynos_gem_info)))
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Cannot get gem info=%d\n",
+                getpid(), __FUNCTION__, __LINE__, key);
+        return 0;
+    }
+
+    bo_exynos4412 = calloc (1, sizeof(struct _tbm_bo_exynos4412));
+    if (!bo_exynos4412)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d fail to allocate the bo private\n",
+                getpid(), __FUNCTION__, __LINE__);
+        return 0;
+    }
+
+    bo_exynos4412->fd = bufmgr_exynos4412->fd;
+    bo_exynos4412->gem = arg.handle;
+    bo_exynos4412->size = arg.size;
+    bo_exynos4412->flags_exynos = info.flags;
+    bo_exynos4412->name = key;
+    bo_exynos4412->flags_tbm = _get_tbm_flag_from_exynos (bo_exynos4412->flags_exynos);
+
+    if (!bo_exynos4412->dmabuf)
+    {
+        struct drm_prime_handle arg = {0, };
+
+        arg.handle = bo_exynos4412->gem;
+        if (drmIoctl (bo_exynos4412->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg))
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d Cannot dmabuf=%d\n",
+                    getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+            free (bo_exynos4412);
+            return 0;
+        }
+        bo_exynos4412->dmabuf = arg.fd;
+    }
+
+    /* add bo to hash */
+    PrivGem *privGem = NULL;
+    int ret;
+
+    ret = drmHashLookup (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void**)&privGem);
+    if (ret == 0)
+    {
+        privGem->ref_count++;
+    }
+    else if (ret == 1)
+    {
+        privGem = calloc (1, sizeof(PrivGem));
+        if (!privGem)
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d Fail to calloc privGem\n",
+                    getpid(), __FUNCTION__, __LINE__);
+            free (bo_exynos4412);
+            return 0;
+        }
+
+        privGem->ref_count = 1;
+        if (drmHashInsert (bufmgr_exynos4412->hashBos, bo_exynos4412->name, (void *)privGem) < 0)
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d Cannot insert bo to Hash(%d)\n",
+                    getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name);
+        }
+    }
+    else
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Cannot insert bo to Hash(%d)\n",
+                getpid(), __FUNCTION__, __LINE__, bo_exynos4412->name);
+    }
+
+    DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d, %d), flags:%d(%d)\n", getpid(),
+         __FUNCTION__, bo_exynos4412->size,
+         bo_exynos4412->gem, bo_exynos4412->name, bo_exynos4412->dmabuf,
+         bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos);
+
+    return (void *)bo_exynos4412;
+}
+
+static unsigned int
+tbm_exynos4412_bo_export (tbm_bo bo)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+    if (!bo_exynos4412->name)
+    {
+        bo_exynos4412->name = _get_name(bo_exynos4412->fd, bo_exynos4412->gem);
+        if (!bo_exynos4412->name)
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d Cannot get name\n",
+                    getpid(), __FUNCTION__, __LINE__);
+            return 0;
+        }
+    }
+
+    DBG ("[libtbm-exynos4412:%d] %s size:%d, gem:%d(%d), flags:%d(%d)\n", getpid(),
+         __FUNCTION__, bo_exynos4412->size,
+         bo_exynos4412->gem, bo_exynos4412->name,
+         bo_exynos4412->flags_tbm, bo_exynos4412->flags_exynos);
+
+    return (unsigned int)bo_exynos4412->name;
+}
+
+static tbm_bo_handle
+tbm_exynos4412_bo_get_handle (tbm_bo bo, int device)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
+
+    tbm_bo_handle bo_handle;
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, (tbm_bo_handle) NULL);
+
+    if (!bo_exynos4412->gem)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Cannot map gem=%d\n",
+                getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+        return (tbm_bo_handle) NULL;
+    }
+
+    DBG ("[libtbm-exynos4412:%d] %s gem:%d(%d), %s\n", getpid(),
+         __FUNCTION__, bo_exynos4412->gem, bo_exynos4412->name, STR_DEVICE[device]);
+
+    /*Get mapped bo_handle*/
+    bo_handle = _exynos4412_bo_handle (bo_exynos4412, device);
+    if (bo_handle.ptr == NULL)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Cannot get handle: gem:%d, device:%d\n",
+                getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem, device);
+        return (tbm_bo_handle) NULL;
+    }
+
+    return bo_handle;
+}
+
+static tbm_bo_handle
+tbm_exynos4412_bo_map (tbm_bo bo, int device, int opt)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, (tbm_bo_handle) NULL);
+
+    tbm_bo_handle bo_handle;
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, (tbm_bo_handle) NULL);
+
+    if (!bo_exynos4412->gem)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Cannot map gem=%d\n",
+                getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem);
+        return (tbm_bo_handle) NULL;
+    }
+
+    DBG ("[libtbm-exynos4412:%d] %s gem:%d(%d), %s, %s\n", getpid(),
+         __FUNCTION__, bo_exynos4412->gem, bo_exynos4412->name, STR_DEVICE[device], STR_OPT[opt]);
+
+    /*Get mapped bo_handle*/
+    bo_handle = _exynos4412_bo_handle (bo_exynos4412, device);
+    if (bo_handle.ptr == NULL)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d Cannot get handle: gem:%d, device:%d, opt:%d\n",
+                getpid(), __FUNCTION__, __LINE__, bo_exynos4412->gem, device, opt);
+        return (tbm_bo_handle) NULL;
+    }
+
+    return bo_handle;
+}
+
+static int
+tbm_exynos4412_bo_unmap (tbm_bo bo)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+    if (!bo_exynos4412->gem)
+        return 0;
+
+    DBG ("[libtbm-exynos4412:%d] %s gem:%d(%d) \n", getpid(),
+         __FUNCTION__, bo_exynos4412->gem, bo_exynos4412->name);
+
+    return 1;
+}
+
+static int
+tbm_exynos4412_bo_cache_flush (tbm_bo bo, int flags)
+{
+    tbm_bufmgr_exynos4412 bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+    /* cache flush is managed by kernel side when using dma-fence. */
+    if (bufmgr_exynos4412->use_dma_fence)
+       return 1;
+
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+    if (!_exynos4412_cache_flush(bo_exynos4412->fd, bo_exynos4412, flags))
+        return 0;
+
+    return 1;
+}
+
+static int
+tbm_exynos4412_bo_get_global_key (tbm_bo bo)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_exynos4412 bo_exynos4412;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+    if (!bo_exynos4412->name)
+    {
+        if (!bo_exynos4412->gem)
+            return 0;
+
+        bo_exynos4412->name = _get_name(bo_exynos4412->fd, bo_exynos4412->gem);
+    }
+
+    return bo_exynos4412->name;
+}
+
+static int
+tbm_exynos4412_bo_lock(tbm_bo bo, int device, int opt)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+    tbm_bo_exynos4412 bo_exynos4412;
+    struct dma_buf_fence fence;
+    struct flock filelock;
+    int ret=0;
+
+    if (device != TBM_DEVICE_3D && device != TBM_DEVICE_CPU)
+    {
+        DBG ("[libtbm-exynos4412:%d] %s not support device type,\n", getpid(), __FUNCTION__);
+	    return 0;
+    }
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)tbm_backend_get_bufmgr_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bufmgr_exynos4412!=NULL, 0);
+
+    memset(&fence, 0, sizeof(struct dma_buf_fence));
+
+    /* Check if the given type is valid or not. */
+    if (opt & TBM_OPTION_WRITE)
+    {
+        if (device == TBM_DEVICE_3D)
+            fence.type = DMA_BUF_ACCESS_WRITE | DMA_BUF_ACCESS_DMA;
+    }
+    else if (opt & TBM_OPTION_READ)
+    {
+        if (device == TBM_DEVICE_3D)
+            fence.type = DMA_BUF_ACCESS_READ | DMA_BUF_ACCESS_DMA;
+    }
+    else
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error %s:%d Invalid argument\n", getpid(), __FUNCTION__, __LINE__);
+        return 0;
+    }
+
+    /* Check if the tbm manager supports dma fence or not. */
+    if (!bufmgr_exynos4412->use_dma_fence)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                "error %s:%d  Not support DMA FENCE(%s)\n",
+                getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+        return 0;
+
+    }
+
+    if (device == TBM_DEVICE_3D)
+    {
+        ret = ioctl(bo_exynos4412->dmabuf, DMABUF_IOCTL_GET_FENCE, &fence);
+        if (ret < 0)
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d  Can not set GET FENCE(%s)\n",
+                    getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+            return 0;
+        }
+    } else
+    {
+	if (opt & TBM_OPTION_WRITE)
+	    filelock.l_type = F_WRLCK;
+	else
+	    filelock.l_type = F_RDLCK;
+
+	filelock.l_whence = SEEK_CUR;
+	filelock.l_start = 0;
+	filelock.l_len = 0;
+
+	if (-1 == fcntl(bo_exynos4412->dmabuf, F_SETLKW, &filelock))
+        {
+	    return 0;
+	}
+    }
+
+    pthread_mutex_lock(&bo_exynos4412->mutex);
+
+    if (device == TBM_DEVICE_3D)
+    {
+        int i;
+        for (i = 0; i < DMA_FENCE_LIST_MAX; i++)
+        {
+            if (bo_exynos4412->dma_fence[i].ctx == 0)
+            {
+                bo_exynos4412->dma_fence[i].type = fence.type;
+                bo_exynos4412->dma_fence[i].ctx = fence.ctx;
+                break;
+            }
+        }
+
+        if (i == DMA_FENCE_LIST_MAX)
+        {
+            //TODO: if dma_fence list is full, it needs realloc. I will fix this. by minseok3.kim
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d  fence list is full\n",
+                    getpid(), __FUNCTION__, __LINE__);
+        }
+    }
+
+    pthread_mutex_unlock(&bo_exynos4412->mutex);
+
+    DBG ("[libtbm-exynos4412:%d] %s DMABUF_IOCTL_GET_FENCE! flink_id=%d dmabuf=%d\n", getpid(),
+            __FUNCTION__, bo_exynos4412->name, bo_exynos4412->dmabuf);
+
+    return 1;
+}
+
+static int
+tbm_exynos4412_bo_unlock(tbm_bo bo)
+{
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo!=NULL, 0);
+
+    tbm_bo_exynos4412 bo_exynos4412;
+    struct dma_buf_fence fence;
+    struct flock filelock;
+    unsigned int dma_type = 0;
+    int ret=0;
+
+    bo_exynos4412 = (tbm_bo_exynos4412)tbm_backend_get_bo_priv(bo);
+    EXYNOS4412_RETURN_VAL_IF_FAIL (bo_exynos4412!=NULL, 0);
+
+    if (bo_exynos4412->dma_fence[0].type & DMA_BUF_ACCESS_DMA)
+	    dma_type = 1;
+
+    if (!bo_exynos4412->dma_fence[0].ctx && dma_type)
+    {
+        DBG ("[libtbm-exynos4412:%d] %s FENCE not support or ignored,\n", getpid(), __FUNCTION__);
+        return 0;
+    }
+
+    if (!bo_exynos4412->dma_fence[0].ctx && dma_type)
+    {
+        DBG ("[libtbm-exynos4412:%d] %s device type is not 3D/CPU,\n", getpid(), __FUNCTION__);
+        return 0;
+    }
+
+    pthread_mutex_lock(&bo_exynos4412->mutex);
+
+    if (dma_type)
+    {
+        fence.type = bo_exynos4412->dma_fence[0].type;
+        fence.ctx = bo_exynos4412->dma_fence[0].ctx;
+        int i;
+        for (i = 1; i < DMA_FENCE_LIST_MAX; i++)
+        {
+            bo_exynos4412->dma_fence[i-1].type = bo_exynos4412->dma_fence[i].type;
+            bo_exynos4412->dma_fence[i-1].ctx = bo_exynos4412->dma_fence[i].ctx;
+        }
+        bo_exynos4412->dma_fence[DMA_FENCE_LIST_MAX-1].type = 0;
+        bo_exynos4412->dma_fence[DMA_FENCE_LIST_MAX-1].ctx = 0;
+    }
+    pthread_mutex_unlock(&bo_exynos4412->mutex);
+
+    if (dma_type)
+    {
+        ret = ioctl(bo_exynos4412->dmabuf, DMABUF_IOCTL_PUT_FENCE, &fence);
+        if (ret < 0)
+        {
+            TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+                    "error %s:%d  Can not set PUT FENCE(%s)\n",
+                    getpid(), __FUNCTION__, __LINE__, strerror(errno) );
+            return 0;
+        }
+    } else
+    {
+        filelock.l_type = F_UNLCK;
+	filelock.l_whence = SEEK_CUR;
+	filelock.l_start = 0;
+	filelock.l_len = 0;
+
+	if (-1 == fcntl(bo_exynos4412->dmabuf, F_SETLKW, &filelock))
+        {
+	    return 0;
+	}
+    }
+
+    DBG ("[libtbm-exynos4412:%d] %s DMABUF_IOCTL_PUT_FENCE! flink_id=%d dmabuf=%d\n", getpid(),
+            __FUNCTION__, bo_exynos4412->name, bo_exynos4412->dmabuf);
+
+    return 1;
+}
+
+static void
+tbm_exynos4412_bufmgr_deinit (void *priv)
+{
+    EXYNOS4412_RETURN_IF_FAIL (priv!=NULL);
+
+    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+
+    bufmgr_exynos4412 = (tbm_bufmgr_exynos4412)priv;
+
+    if (bufmgr_exynos4412->hashBos)
+    {
+        unsigned long key;
+        void *value;
+
+        while (drmHashFirst(bufmgr_exynos4412->hashBos, &key, &value) > 0)
+        {
+            free (value);
+            drmHashDelete (bufmgr_exynos4412->hashBos, key);
+        }
+
+        drmHashDestroy (bufmgr_exynos4412->hashBos);
+        bufmgr_exynos4412->hashBos = NULL;
+    }
+
+    free (bufmgr_exynos4412);
+}
+
+int
+tbm_exynos4412_surface_supported_format(uint32_t **formats, uint32_t *num)
+{
+    uint32_t* color_formats=NULL;
+
+    color_formats = (uint32_t*)calloc (1,sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT);
+
+    if( color_formats == NULL )
+    {
+        return 0;
+    }
+    memcpy( color_formats, tbm_exynos4412_color_format_list , sizeof(uint32_t)*TBM_COLOR_FORMAT_COUNT );
+
+
+    *formats = color_formats;
+    *num = TBM_COLOR_FORMAT_COUNT;
+
+    fprintf (stderr, "tbm_exynos4412_surface_supported_format  count = %d \n",*num);
+
+    return 1;
+}
+
+
+/**
+ * @brief get the plane data of the surface.
+ * @param[in] surface : the surface
+ * @param[in] width : the width of the surface
+ * @param[in] height : the height of the surface
+ * @param[in] format : the format of the surface
+ * @param[in] plane_idx : the format of the surface
+ * @param[out] size : the size of the plane
+ * @param[out] offset : the offset of the plane
+ * @param[out] pitch : the pitch of the plane
+ * @param[out] padding : the padding of the plane
+ * @return 1 if this function succeeds, otherwise 0.
+ */
+int
+tbm_exynos4412_surface_get_plane_data(tbm_surface_h surface, int width, int height, tbm_format format, int plane_idx, uint32_t *size, uint32_t *offset, uint32_t *pitch)
+{
+    int ret = 1;
+    int bpp;
+    int _offset =0;
+    int _pitch =0;
+    int _size =0;
+
+
+    switch(format)
+    {
+        /* 16 bpp RGB */
+        case TBM_FORMAT_XRGB4444:
+        case TBM_FORMAT_XBGR4444:
+        case TBM_FORMAT_RGBX4444:
+        case TBM_FORMAT_BGRX4444:
+        case TBM_FORMAT_ARGB4444:
+        case TBM_FORMAT_ABGR4444:
+        case TBM_FORMAT_RGBA4444:
+        case TBM_FORMAT_BGRA4444:
+        case TBM_FORMAT_XRGB1555:
+        case TBM_FORMAT_XBGR1555:
+        case TBM_FORMAT_RGBX5551:
+        case TBM_FORMAT_BGRX5551:
+        case TBM_FORMAT_ARGB1555:
+        case TBM_FORMAT_ABGR1555:
+        case TBM_FORMAT_RGBA5551:
+        case TBM_FORMAT_BGRA5551:
+        case TBM_FORMAT_RGB565:
+            bpp = 16;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* 24 bpp RGB */
+        case TBM_FORMAT_RGB888:
+        case TBM_FORMAT_BGR888:
+            bpp = 24;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* 32 bpp RGB */
+        case TBM_FORMAT_XRGB8888:
+        case TBM_FORMAT_XBGR8888:
+        case TBM_FORMAT_RGBX8888:
+        case TBM_FORMAT_BGRX8888:
+        case TBM_FORMAT_ARGB8888:
+        case TBM_FORMAT_ABGR8888:
+        case TBM_FORMAT_RGBA8888:
+        case TBM_FORMAT_BGRA8888:
+            bpp = 32;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+
+        /* packed YCbCr */
+        case TBM_FORMAT_YUYV:
+        case TBM_FORMAT_YVYU:
+        case TBM_FORMAT_UYVY:
+        case TBM_FORMAT_VYUY:
+        case TBM_FORMAT_AYUV:
+            bpp = 32;
+            _offset = 0;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+
+        /*
+        * 2 plane YCbCr
+        * index 0 = Y plane, [7:0] Y
+        * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
+        * or
+        * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
+        */
+        case TBM_FORMAT_NV12:
+        case TBM_FORMAT_NV21:
+            bpp = 12;
+            if(plane_idx == 0)
+            {
+                _offset = 0;
+				_pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            else if( plane_idx ==1 )
+            {
+                _offset = width*height;
+				_pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+				_size = SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            break;
+
+        case TBM_FORMAT_NV16:
+        case TBM_FORMAT_NV61:
+			bpp = 16;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+		if(plane_idx == 0)
+			break;
+            }
+            //else if( plane_idx ==1 )
+            {
+                _offset += _size;
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            break;
+
+        /*
+        * 3 plane YCbCr
+        * index 0: Y plane, [7:0] Y
+        * index 1: Cb plane, [7:0] Cb
+        * index 2: Cr plane, [7:0] Cr
+        * or
+        * index 1: Cr plane, [7:0] Cr
+        * index 2: Cb plane, [7:0] Cb
+        */
+        /*
+        NATIVE_BUFFER_FORMAT_YV12
+        NATIVE_BUFFER_FORMAT_I420
+        */
+        case TBM_FORMAT_YUV410:
+        case TBM_FORMAT_YVU410:
+            bpp = 9;
+            break;
+        case TBM_FORMAT_YUV411:
+        case TBM_FORMAT_YVU411:
+        case TBM_FORMAT_YUV420:
+        case TBM_FORMAT_YVU420:
+            bpp = 12;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+		        if(plane_idx == 0)
+			        break;
+            }
+            //else if( plane_idx == 1 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		        _size = SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+		        if(plane_idx == 1)
+			        break;
+            }
+            //else if (plane_idx == 2 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size = SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            break;
+        case TBM_FORMAT_YUV422:
+        case TBM_FORMAT_YVU422:
+            bpp = 16;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+		        if(plane_idx == 0)
+			        break;
+            }
+            //else if( plane_idx == 1 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		        _size = SIZE_ALIGN(_pitch*(height),TBM_SURFACE_ALIGNMENT_PLANE);
+		        if(plane_idx == 1)
+			        break;
+            }
+            //else if (plane_idx == 2 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size = SIZE_ALIGN(_pitch*(height),TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            break;
+        case TBM_FORMAT_YUV444:
+        case TBM_FORMAT_YVU444:
+            bpp = 24;
+            //if(plane_idx == 0)
+            {
+                _offset = 0;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+		        if(plane_idx == 0)
+			        break;
+            }
+            //else if( plane_idx == 1 )
+            {
+                _offset += _size;
+		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+		        if(plane_idx == 1)
+			        break;
+            }
+            //else if (plane_idx == 2 )
+            {
+                _offset += _size;
+  		        _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+               _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            break;
+        default:
+            bpp = 0;
+            break;
+    }
+
+    *size = _size;
+    *offset = _offset;
+    *pitch = _pitch;
+
+    return ret;
+}
+/**
+* @brief get the size of the surface with a format.
+* @param[in] surface : the surface
+* @param[in] width : the width of the surface
+* @param[in] height : the height of the surface
+* @param[in] format : the format of the surface
+* @return size of the surface if this function succeeds, otherwise 0.
+*/
+
+int
+tbm_exynos4412_surface_get_size(tbm_surface_h surface, int width, int height, tbm_format format)
+{
+	int ret = 0;
+	int bpp = 0;
+	int _pitch =0;
+	int _size =0;
+	int align =TBM_SURFACE_ALIGNMENT_PLANE;
+
+    switch(format)
+    {
+        /* 16 bpp RGB */
+        case TBM_FORMAT_XRGB4444:
+        case TBM_FORMAT_XBGR4444:
+        case TBM_FORMAT_RGBX4444:
+        case TBM_FORMAT_BGRX4444:
+        case TBM_FORMAT_ARGB4444:
+        case TBM_FORMAT_ABGR4444:
+        case TBM_FORMAT_RGBA4444:
+        case TBM_FORMAT_BGRA4444:
+        case TBM_FORMAT_XRGB1555:
+        case TBM_FORMAT_XBGR1555:
+        case TBM_FORMAT_RGBX5551:
+        case TBM_FORMAT_BGRX5551:
+        case TBM_FORMAT_ARGB1555:
+        case TBM_FORMAT_ABGR1555:
+        case TBM_FORMAT_RGBA5551:
+        case TBM_FORMAT_BGRA5551:
+        case TBM_FORMAT_RGB565:
+            bpp = 16;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* 24 bpp RGB */
+        case TBM_FORMAT_RGB888:
+        case TBM_FORMAT_BGR888:
+            bpp = 24;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* 32 bpp RGB */
+        case TBM_FORMAT_XRGB8888:
+        case TBM_FORMAT_XBGR8888:
+        case TBM_FORMAT_RGBX8888:
+        case TBM_FORMAT_BGRX8888:
+        case TBM_FORMAT_ARGB8888:
+        case TBM_FORMAT_ABGR8888:
+        case TBM_FORMAT_RGBA8888:
+        case TBM_FORMAT_BGRA8888:
+            bpp = 32;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_RGB);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /* packed YCbCr */
+        case TBM_FORMAT_YUYV:
+        case TBM_FORMAT_YVYU:
+        case TBM_FORMAT_UYVY:
+        case TBM_FORMAT_VYUY:
+        case TBM_FORMAT_AYUV:
+            bpp = 32;
+			_pitch = SIZE_ALIGN((width*bpp)>>3,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+            _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            break;
+        /*
+        * 2 plane YCbCr
+        * index 0 = Y plane, [7:0] Y
+        * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian
+        * or
+        * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian
+        */
+        case TBM_FORMAT_NV12:
+        case TBM_FORMAT_NV21:
+			bpp = 12;
+			 //plane_idx == 0
+			 {
+				 _pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+				 _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+			 }
+			 //plane_idx ==1
+			 {
+				 _pitch = SIZE_ALIGN( width ,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+				 _size += SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+			 }
+			 break;
+
+            break;
+        case TBM_FORMAT_NV16:
+        case TBM_FORMAT_NV61:
+            bpp = 16;
+            //plane_idx == 0
+            {
+				_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx ==1
+            {
+			    _pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size += SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+
+            break;
+        /*
+        * 3 plane YCbCr
+        * index 0: Y plane, [7:0] Y
+        * index 1: Cb plane, [7:0] Cb
+        * index 2: Cr plane, [7:0] Cr
+        * or
+        * index 1: Cr plane, [7:0] Cr
+        * index 2: Cb plane, [7:0] Cb
+        */
+        case TBM_FORMAT_YUV410:
+        case TBM_FORMAT_YVU410:
+            bpp = 9;
+	    align = TBM_SURFACE_ALIGNMENT_PITCH_YUV;
+            break;
+        case TBM_FORMAT_YUV411:
+        case TBM_FORMAT_YVU411:
+        case TBM_FORMAT_YUV420:
+        case TBM_FORMAT_YVU420:
+            bpp = 12;
+	    //plane_idx == 0
+            {
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 1
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		_size += SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 2
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size += SIZE_ALIGN(_pitch*(height/2),TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+
+            break;
+        case TBM_FORMAT_YUV422:
+        case TBM_FORMAT_YVU422:
+            bpp = 16;
+	    //plane_idx == 0
+            {
+		_pitch = SIZE_ALIGN(width,TBM_SURFACE_ALIGNMENT_PITCH_YUV);
+                _size = SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 1
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+		_size += SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            //plane_idx == 2
+            {
+		_pitch = SIZE_ALIGN(width/2,TBM_SURFACE_ALIGNMENT_PITCH_YUV/2);
+                _size += SIZE_ALIGN(_pitch*height,TBM_SURFACE_ALIGNMENT_PLANE);
+            }
+            break;
+        case TBM_FORMAT_YUV444:
+        case TBM_FORMAT_YVU444:
+            bpp = 24;
+	    align = TBM_SURFACE_ALIGNMENT_PITCH_YUV;
+            break;
+
+        default:
+            bpp = 0;
+            break;
+    }
+
+	if(_size > 0)
+		ret = _size;
+	else
+	    ret =  SIZE_ALIGN( (width * height * bpp) >> 3, align);
+
+    return ret;
+
+}
+
+MODULEINITPPROTO (init_tbm_bufmgr_priv);
+
+static TBMModuleVersionInfo Exynos4412VersRec =
+{
+    "exynos4412",
+    "Samsung",
+    TBM_ABI_VERSION,
+};
+
+TBMModuleData tbmModuleData = { &Exynos4412VersRec, init_tbm_bufmgr_priv};
+
+int
+init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
+{
+    tbm_bufmgr_exynos4412 bufmgr_exynos4412;
+    tbm_bufmgr_backend bufmgr_backend;
+
+    if (!bufmgr)
+        return 0;
+
+    bufmgr_exynos4412 = calloc (1, sizeof(struct _tbm_bufmgr_exynos4412));
+    if (!bufmgr_exynos4412)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to alloc bufmgr_exynos4412!\n", getpid());
+        return 0;
+    }
+
+    bufmgr_exynos4412->fd = fd;
+    if (bufmgr_exynos4412->fd < 0)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to create drm!\n", getpid());
+        free (bufmgr_exynos4412);
+        return 0;
+    }
+
+    //Create Hash Table
+    bufmgr_exynos4412->hashBos = drmHashCreate ();
+
+    //Check if the tbm manager supports dma fence or not.
+    int fp = open("/sys/module/dmabuf_sync/parameters/enabled", O_RDONLY);
+    int length;
+    char buf[1];
+    if (fp != -1)
+    {
+        length = read(fp, buf, 1);
+
+        if (length == 1 && buf[0] == '1')
+            bufmgr_exynos4412->use_dma_fence = 1;
+
+        close(fp);
+    }
+
+    bufmgr_backend = tbm_backend_alloc();
+    if (!bufmgr_backend)
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to create drm!\n", getpid());
+        if (bufmgr_exynos4412->hashBos)
+            drmHashDestroy (bufmgr_exynos4412->hashBos);
+        free (bufmgr_exynos4412);
+        return 0;
+    }
+
+    bufmgr_backend->priv = (void *)bufmgr_exynos4412;
+    bufmgr_backend->bufmgr_deinit = tbm_exynos4412_bufmgr_deinit,
+    bufmgr_backend->bo_size = tbm_exynos4412_bo_size,
+    bufmgr_backend->bo_alloc = tbm_exynos4412_bo_alloc,
+    bufmgr_backend->bo_free = tbm_exynos4412_bo_free,
+    bufmgr_backend->bo_import = tbm_exynos4412_bo_import,
+    bufmgr_backend->bo_export = tbm_exynos4412_bo_export,
+    bufmgr_backend->bo_get_handle = tbm_exynos4412_bo_get_handle,
+    bufmgr_backend->bo_map = tbm_exynos4412_bo_map,
+    bufmgr_backend->bo_unmap = tbm_exynos4412_bo_unmap,
+    bufmgr_backend->bo_cache_flush = tbm_exynos4412_bo_cache_flush,
+    bufmgr_backend->bo_get_global_key = tbm_exynos4412_bo_get_global_key;
+    bufmgr_backend->surface_get_plane_data = tbm_exynos4412_surface_get_plane_data;
+    bufmgr_backend->surface_get_size = tbm_exynos4412_surface_get_size;
+    bufmgr_backend->surface_supported_format = tbm_exynos4412_surface_supported_format;
+
+    if (bufmgr_exynos4412->use_dma_fence)
+    {
+        bufmgr_backend->flags = (TBM_LOCK_CTRL_BACKEND | TBM_CACHE_CTRL_BACKEND);
+        bufmgr_backend->bo_lock = NULL;
+        bufmgr_backend->bo_lock2 = tbm_exynos4412_bo_lock;
+        bufmgr_backend->bo_unlock = tbm_exynos4412_bo_unlock;
+    }
+    else
+    {
+        bufmgr_backend->flags = 0;
+        bufmgr_backend->bo_lock = NULL;
+        bufmgr_backend->bo_unlock = NULL;
+    }
+
+    if (!tbm_backend_init (bufmgr, bufmgr_backend))
+    {
+        TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] error: Fail to init backend!\n", getpid());
+        tbm_backend_free (bufmgr_backend);
+        free (bufmgr_exynos4412);
+        return 0;
+    }
+
+#ifdef DEBUG
+    {
+        char* env;
+        env = getenv ("TBM_EXYNOS4412_DEBUG");
+        if (env)
+        {
+            bDebug = atoi (env);
+            TBM_EXYNOS4412_LOG ("TBM_EXYNOS4412_DEBUG=%s\n", env);
+        }
+        else
+        {
+            bDebug = 0;
+        }
+    }
+#endif
+
+    DBG ("[libtbm-exynos4412:%d] %s DMABUF FENCE is %s\n", getpid(),
+         __FUNCTION__, bufmgr_exynos4412->use_dma_fence ? "supported!" : "NOT supported!");
+
+    DBG ("[libtbm-exynos4412:%d] %s fd:%d\n", getpid(),
+         __FUNCTION__, bufmgr_exynos4412->fd);
+
+    return 1;
+}
+
+