File _service:tar_git:libdrm_nexel-api-add.patch of Package libdrm

diff --git a/meson.build b/meson.build
index b3eb846..8d94a8b 100644
--- a/meson.build
+++ b/meson.build
@@ -150,6 +150,7 @@ if _etnaviv == 'true'
 endif
 
 with_exynos = get_option('exynos') == 'true'
+with_nexell = get_option('nexell') == 'true'
 
 with_vc4 = false
 _vc4 = get_option('vc4')
@@ -257,6 +258,7 @@ config.set10('HAVE_VISIBILITY',
 
 foreach t : [
              [with_exynos, 'EXYNOS'],
+             [with_nexell, 'NEXELL'],
              [with_freedreno_kgsl, 'FREEDRENO_KGSL'],
              [with_intel, 'INTEL'],
              [with_nouveau, 'NOUVEAU'],
@@ -350,6 +352,9 @@ endif
 if with_exynos
   subdir('exynos')
 endif
+if with_nexell
+  subdir('nexell')
+endif
 if with_freedreno
   subdir('freedreno')
 endif
@@ -379,6 +384,7 @@ message('  AMDGPU API     @0@'.format(with_amdgpu))
 message('  Nouveau API    @0@'.format(with_nouveau))
 message('  OMAP API       @0@'.format(with_omap))
 message('  EXYNOS API     @0@'.format(with_exynos))
+message('  NEXELL API     @0@'.format(with_nexell))
 message('  Freedreno API  @0@ (kgsl: @1@)'.format(with_freedreno, with_freedreno_kgsl))
 message('  Tegra API      @0@'.format(with_tegra))
 message('  VC4 API        @0@'.format(with_vc4))
diff --git a/meson_options.txt b/meson_options.txt
index 8af33f1..122d4d4 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -75,6 +75,14 @@ option(
   description : '''Enable support for EXYNOS's experimental KMS API.''',
 )
 option(
+  'nexell',
+  type : 'combo',
+  value : 'false',
+  choices : ['true', 'false', 'auto'],
+  description : '''Enable support for Nexell experimental KMS API.''',
+)
+
+option(
   'freedreno',
   type : 'combo',
   value : 'auto',
diff --git a/nexell/libdrm_nexell.pc.in b/nexell/libdrm_nexell.pc.in
new file mode 100644
index 0000000..7e63800
--- /dev/null
+++ b/nexell/libdrm_nexell.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libdrm_nexell
+Description: Userspace interface to nexell kernel DRM services
+Version: 0.7
+Libs: -L${libdir} -ldrm_nexell
+Cflags: -I${includedir} -I${includedir}/libdrm -I${includedir}/nexell
+Requires.private: libdrm
diff --git a/nexell/meson.build b/nexell/meson.build
new file mode 100644
index 0000000..77fa59b
--- /dev/null
+++ b/nexell/meson.build
@@ -0,0 +1,47 @@
+# Copyright © 2017-2018 Intel Corporation
+
+# 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
+# furnished 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,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS 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.
+
+libdrm_nexell = shared_library(
+  'drm_nexell',
+  [files('nexell_drm.c'), config_file],
+  c_args : libdrm_c_args,
+  include_directories : [inc_root, inc_drm],
+  link_with : libdrm,
+  dependencies : [dep_pthread_stubs],
+  version : '1.0.0',
+  install : true,
+)
+
+install_headers('nexell_drmif.h', subdir : 'libdrm')
+install_headers('nexell_drm.h', subdir : 'nexell')
+
+ext_libdrm_nexell = declare_dependency(
+  link_with : [libdrm, libdrm_nexell],
+  include_directories : [inc_drm, include_directories('.')],
+)
+
+pkg.generate(
+  name : 'libdrm_nexell',
+  libraries : libdrm_nexell,
+  subdirs : ['.', 'libdrm', 'nexell'],
+  version : '0.7',
+  requires_private : 'libdrm',
+  description : 'Userspace interface to nexell kernel DRM services',
+)
diff --git a/nexell/nexell_drm.c b/nexell/nexell_drm.c
new file mode 100644
index 0000000..bd6e6ae
--- /dev/null
+++ b/nexell/nexell_drm.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2016  Nexell Co., Ltd.
+ * Author: hyejung, kwon <cjscld15@nexell.co.kr>
+ *
+ * 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <string.h>
+#include <strings.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+
+#include <nexell_drm.h>
+
+#define DRM_IOCTL_NR(n)         _IOC_NR(n)
+#define DRM_IOC_VOID            _IOC_NONE
+#define DRM_IOC_READ            _IOC_READ
+#define DRM_IOC_WRITE           _IOC_WRITE
+#define DRM_IOC_READWRITE       _IOC_READ|_IOC_WRITE
+#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
+
+static int drm_ioctl(int drm_fd, unsigned long request, void *arg)
+{
+	int ret;
+
+	do {
+		ret = ioctl(drm_fd, request, arg);
+	} while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+	return ret;
+}
+
+static int drm_command_write_read(int fd, unsigned long command_index,
+				  void *data, unsigned long size)
+{
+	unsigned long request;
+
+	request = DRM_IOC(DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE,
+			  DRM_COMMAND_BASE + command_index, size);
+	if (drm_ioctl(fd, request, data))
+		return -errno;
+	return 0;
+}
+
+/**
+ * return gem_fd
+ */
+int nx_alloc_gem(int drm_fd, int size, int flags)
+{
+	struct nx_drm_gem_create arg = { 0, };
+	int ret;
+
+	arg.size = size;
+	arg.flags = flags;
+
+	ret = drm_command_write_read(drm_fd, DRM_NX_GEM_CREATE, &arg,
+				     sizeof(arg));
+	if (ret) {
+		perror("drm_command_write_read\n");
+		return ret;
+	}
+
+	return arg.handle;
+}
+
+void nx_free_gem(int drm_fd, int gem)
+{
+	struct drm_gem_close arg = {0, };
+
+	arg.handle = gem;
+	drm_ioctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &arg);
+}
+
+/**
+ * return dmabuf fd
+ */
+int nx_gem_to_dmafd(int drm_fd, int gem_fd)
+{
+	int ret;
+	struct drm_prime_handle arg = {0, };
+
+	arg.handle = gem_fd;
+	ret = drm_ioctl(drm_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &arg);
+	if (ret) {
+		perror("DRM_IOCTL_PRIM_HANDLE_TO_FD\n");
+		return -1;
+	}
+
+	return arg.fd;
+}
diff --git a/nexell/nexell_drm.h b/nexell/nexell_drm.h
new file mode 100644
index 0000000..0751991
--- /dev/null
+++ b/nexell/nexell_drm.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016  Nexell Co., Ltd.
+ * Author: hyejung, kwon <cjscld15@nexell.co.kr>
+ *
+ * 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+
+#ifndef _UAPI_NX_DRM_H_
+#define _UAPI_NX_DRM_H_
+
+#include <drm/drm.h>
+
+/**
+ * User-desired buffer creation information structure.
+ *
+ * @size: user-desired memory allocation size.
+ *	- this size value would be page-aligned internally.
+ * @flags: user request for setting memory type or cache attributes.
+ * @handle: returned a handle to created gem object.
+ *	- this handle will be set by gem module of kernel side.
+ */
+struct nx_drm_gem_create {
+	uint64_t size;
+	unsigned int flags;
+	unsigned int handle;
+	struct drm_gem_cma_object *obj;
+};
+
+/**
+ * A structure to gem information.
+ *
+ * @handle: a handle to gem object created.
+ * @flags: flag value including memory type and cache attribute and
+ *	this value would be set by driver.
+ * @size: size to memory region allocated by gem and this size would
+ *	be set by driver.
+ */
+struct nx_drm_gem_info {
+	unsigned int handle;
+	unsigned int flags;
+	uint64_t size;
+};
+
+#define DRM_NX_GEM_CREATE		0x00
+/* Reserved 0x03 ~ 0x05 for nx specific gem ioctl */
+#define DRM_NX_GEM_GET			0x04
+//#define DRM_NX_VIDI_CONNECTION	0x07
+
+#define DRM_IOCTL_NX_GEM_CREATE		DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_NX_GEM_CREATE, struct nx_drm_gem_create)
+
+#define DRM_IOCTL_NX_GEM_GET	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_NX_GEM_GET,	struct nx_drm_gem_info)
+
+#endif
diff --git a/nexell/nexell_drmif.h b/nexell/nexell_drmif.h
new file mode 100644
index 0000000..09a6eb0
--- /dev/null
+++ b/nexell/nexell_drmif.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016  Nexell Co., Ltd.
+ * Author: hyejung, kwon <cjscld15@nexell.co.kr>
+ *
+ * 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ */
+
+#ifndef _NEXELL_DRMIF_H
+#define _NEXELL_DRMIF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int nx_alloc_gem(int drm_fd, int size, int flags);
+int nx_gem_to_dmafd(int drm_fd, int gem_fd);
+void nx_free_gem(int drm_fd, int gem);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+