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-rw-r--r--AUTHORS3
-rw-r--r--COPYING18
-rw-r--r--ChangeLog0
-rw-r--r--Makefile.am1
-rw-r--r--NEWS0
-rw-r--r--README0
-rw-r--r--autogen.sh12
-rw-r--r--configure.ac61
-rw-r--r--packaging/libtbm-exynos4412.spec48
-rw-r--r--src/Makefile.am11
-rwxr-xr-xsrc/tbm_bufmgr_exynos4412.c1062
11 files changed, 1216 insertions, 0 deletions
diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..edf3b5c
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,3 @@
+SooChan Lim <sc1.lim@samsung.com>
+SangJin Lee <lsj119@samsung.com>
+Boram Park <boram1288.park@samsung.com>
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..52fd458
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,18 @@
+Copyright (C) 2000 - 2012 Samsung Electronics co., Ltd. All Rights Reserved.
+
+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, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is fur-
+nished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice 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, FIT-
+NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON-
+NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/ChangeLog
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..af437a6
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = src
diff --git a/NEWS b/NEWS
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/NEWS
diff --git a/README b/README
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/README
diff --git a/autogen.sh b/autogen.sh
new file mode 100644
index 0000000..904cd67
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,12 @@
+#! /bin/sh
+
+srcdir=`dirname $0`
+test -z "$srcdir" && srcdir=.
+
+ORIGDIR=`pwd`
+cd $srcdir
+
+autoreconf -v --install || exit 1
+cd $ORIGDIR || exit $?
+
+$srcdir/configure --enable-maintainer-mode "$@"
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..56bba62
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,61 @@
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# on the rights to use, copy, modify, merge, publish, distribute, sub
+# license, and/or sell copies of the Software, and to permit persons to whom
+# the Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+# ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+AC_PREREQ(2.60)
+AC_INIT(libtbm-exynos4412, 1.0.0)
+AC_USE_SYSTEM_EXTENSIONS
+AC_CONFIG_SRCDIR([Makefile.am])
+AM_INIT_AUTOMAKE([dist-bzip2])
+
+AM_CONFIG_HEADER([config.h])
+
+AC_DISABLE_STATIC
+AC_PROG_LIBTOOL
+AC_PROG_CC
+
+AC_HEADER_STDC
+AC_SYS_LARGEFILE
+AC_FUNC_ALLOCA
+
+# Enable quiet compiles on automake 1.11.
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+PKG_CHECK_MODULES(LIBDRM, libdrm)
+PKG_CHECK_MODULES(LIBTBM, libtbm)
+
+LIBTBM_EXYNOS4412_CFLAGS="$LIBDRM_CFLAGS $LIBTBM_CFLAGS "
+LIBTBM_EXYNOS4412_LIBS="$LIBDRM_LIBS $LIBTBM_LIBS "
+AC_SUBST(LIBTBM_EXYNOS4412_CFLAGS)
+AC_SUBST(LIBTBM_EXYNOS4412_LIBS)
+
+bufmgr_dir=${libdir#*/}
+AC_SUBST(bufmgr_dir)
+
+AC_OUTPUT([
+ Makefile
+ src/Makefile])
+
+echo ""
+echo "CFLAGS : $CFLAGS"
+echo "LDFLAGS : $LDFLAGS"
+echo "LIBTBM_EXYNOS4412_CFLAGS : $LIBTBM_EXYNOS4412_CFLAGS"
+echo "LIBTBM_EXYNOS4412_LIBS : $LIBTBM_EXYNOS4412_LIBS"
+echo "bufmgr_dir : $bufmgr_dir"
+echo ""
+
diff --git a/packaging/libtbm-exynos4412.spec b/packaging/libtbm-exynos4412.spec
new file mode 100644
index 0000000..d358c6e
--- /dev/null
+++ b/packaging/libtbm-exynos4412.spec
@@ -0,0 +1,48 @@
+Name: libtbm-exynos4412
+Version: 1.0.5
+Release: 1
+License: MIT
+Summary: Tizen Buffer Manager - exynos4412 backend
+Group: System/Libraries
+ExcludeArch: i586
+Source0: %{name}-%{version}.tar.gz
+
+BuildRequires: pkgconfig(pthread-stubs)
+BuildRequires: pkgconfig(libdrm)
+BuildRequires: pkgconfig(libtbm)
+
+Requires: libtbm
+Requires: libdrm2
+
+%description
+descriptionion: ${summary}
+
+%prep
+%setup -q
+
+%build
+
+%reconfigure --prefix=%{_prefix} --libdir=%{_libdir}/bufmgr \
+ CFLAGS="${CFLAGS} -Wall -Werror" LDFLAGS="${LDFLAGS} -Wl,--hash-style=both -Wl,--as-needed"
+
+make %{?_smp_mflags}
+
+%install
+rm -rf %{buildroot}
+mkdir -p %{buildroot}/usr/share/license
+cp -af COPYING %{buildroot}/usr/share/license/%{name}
+%make_install
+
+
+%post
+if [ -f %{_libdir}/bufmgr/libtbm_default.so ]; then
+ rm -rf %{_libdir}/bufmgr/libtbm_default.so
+fi
+ln -s libtbm_exynos4412.so %{_libdir}/bufmgr/libtbm_default.so
+
+%postun -p /sbin/ldconfig
+
+%files
+%{_libdir}/bufmgr/libtbm_*.so*
+/usr/share/license/%{name}
+
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..704e030
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,11 @@
+AM_CFLAGS = \
+ @LIBTBM_EXYNOS4412_CFLAGS@ \
+ -I$(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..55dfb66
--- /dev/null
+++ b/src/tbm_bufmgr_exynos4412.c
@@ -0,0 +1,1062 @@
+/**************************************************************************
+
+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>
+
+#define DEBUG
+#define USE_DMAIMPORT
+#define TBM_EXYNOS4412_LOG(...) fprintf (stderr, __VA_ARGS__)
+
+#ifdef DEBUG
+static int bDebug = 0;
+#define DBG(...) if(bDebug&0x1) TBM_EXYNOS4412_LOG (__VA_ARGS__)
+#else
+#define DBG(...)
+#endif
+
+/* 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"
+};
+
+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:
+ TBM_EXYNOS4412_LOG ("[libtbm-exynos4412:%d] "
+ "warning %s:%d(UMP not supported. Return DMABUF).\n",
+ getpid(), __FUNCTION__, __LINE__);
+ 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)
+{
+ 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;
+ }
+
+ 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));
+ 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));
+ 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), flags:%d(%d)\n", getpid(),
+ __FUNCTION__, bo_exynos4412->size,
+ bo_exynos4412->gem, bo_exynos4412->name,
+ 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;
+ int ret=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_CPU)
+ fence.type = DMA_BUF_ACCESS_WRITE;
+ else if (device == TBM_DEVICE_3D)
+ fence.type = DMA_BUF_ACCESS_WRITE | DMA_BUF_ACCESS_DMA;
+ else
+ {
+ DBG ("[libtbm-exynos4412:%d] %s GET_FENCE is ignored(device type is not 3D/CPU),\n", getpid(), __FUNCTION__);
+ return 0;
+ }
+ }
+ else if (opt & TBM_OPTION_READ)
+ {
+ if (device == TBM_DEVICE_CPU)
+ fence.type = DMA_BUF_ACCESS_READ;
+ else if (device == TBM_DEVICE_3D)
+ fence.type = DMA_BUF_ACCESS_READ | DMA_BUF_ACCESS_DMA;
+ else
+ {
+ DBG ("[libtbm-exynos4412:%d] %s GET_FENCE is ignored(device type is not 3D/CPU),\n", getpid(), __FUNCTION__);
+ return 0;
+ }
+ }
+ 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;
+
+ }
+
+ 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;
+ }
+
+ pthread_mutex_lock(&bo_exynos4412->mutex);
+ 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;
+ 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].ctx)
+ {
+ DBG ("[libtbm-exynos4412:%d] %s FENCE not support or ignored,\n", getpid(), __FUNCTION__);
+ return 0;
+ }
+
+ if (!bo_exynos4412->dma_fence[0].type)
+ {
+ DBG ("[libtbm-exynos4412:%d] %s device type is not 3D/CPU,\n", getpid(), __FUNCTION__);
+ return 0;
+ }
+
+ pthread_mutex_lock(&bo_exynos4412->mutex);
+ 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);
+
+ 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;
+ }
+
+ 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);
+}
+
+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());
+ 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;
+
+ 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;
+}
+
+