libdrm : add nexell api

This patch imports the nexell api of the libdrm

Change-Id: If8009fc30f46edcf4fdcc04679523e590e165003
Signed-off-by: jino.cho <jino.cho@samsung.com>

8 files changed, 256 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index 4161ad95..93b4bb86 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -94,6 +94,10 @@ if HAVE_VIGS
 VIGS_SUBDIR = vigs
 endif
 
+if HAVE_NEXELL
+NEXELL_SUBDIR = nexell
+endif
+
 if BUILD_MANPAGES
 if HAVE_MANPAGES_STYLESHEET
 MAN_SUBDIR = man
@@ -114,6 +118,7 @@ SUBDIRS = \
 	$(VC4_SUBDIR) \
 	$(ETNAVIV_SUBDIR) \
 	$(VIGS_SUBDIR) \
+	$(NEXELL_SUBDIR) \
 	tests \
 	$(MAN_SUBDIR)
 
diff --git a/configure.ac b/configure.ac
index 35977f0f..c5c5f569 100644
--- a/configure.ac
+++ b/configure.ac
@@ -138,6 +138,11 @@ AC_ARG_ENABLE(vigs,
 	     [Enable support for VIGS's API (default: enabled)]),
 	     [VIGS=$enableval], [VIGS=yes])
 
+AC_ARG_ENABLE(nexell,
+	      AS_HELP_STRING([--enable-nexell],
+	      [Enable support for nexell (default: disabled)]),
+	      [NEXELL=$enableval], [NEXELL=no])
+
 AC_ARG_ENABLE(install-test-programs,
 		  AS_HELP_STRING([--enable-install-test-programs],
 		  [Install test programs (default: no)]),
@@ -432,6 +437,11 @@ if test "x$VIGS" = xyes; then
 	AC_DEFINE(HAVE_VIGS, 1, [Have VIGS support])
 fi
 
+AM_CONDITIONAL(HAVE_NEXELL, [test "x$NEXELL" = xyes])
+if test "x$NEXELL" = xyes; then
+	AC_DEFINE(HAVE_NEXELL, 1, [Have NEXELL support])
+fi
+
 AM_CONDITIONAL(HAVE_INSTALL_TESTS, [test "x$INSTALL_TESTS" = xyes])
 if test "x$INSTALL_TESTS" = xyes; then
 	AC_DEFINE(HAVE_INSTALL_TESTS, 1, [Install test programs])
@@ -540,6 +550,8 @@ AC_CONFIG_FILES([
 	etnaviv/libdrm_etnaviv.pc
 	vigs/Makefile
 	vigs/libdrm_vigs.pc
+	nexell/Makefile
+	nexell/libdrm_nexell.pc
 	tests/Makefile
 	tests/modeprint/Makefile
 	tests/modetest/Makefile
@@ -577,4 +589,6 @@ echo "  Tegra API      $TEGRA"
 echo "  VC4 API        $VC4"
 echo "  Etnaviv API    $ETNAVIV"
 echo "  VIGS API       $VIGS"
+echo "  NEXELL API     $NEXELL"
+
 echo ""
diff --git a/nexell/Makefile.am b/nexell/Makefile.am
new file mode 100644
index 00000000..617d1385
--- /dev/null
+++ b/nexell/Makefile.am
@@ -0,0 +1,22 @@
+AM_CFLAGS = \
+	$(WARN_CFLAGS) \
+	$(VISIBILITY_CFLAGS) \
+	-I$(top_srcdir) \
+	-I$(top_srcdir)/nexell \
+	-I$(top_srcdir)/include/drm
+
+libdrm_nexell_la_LTLIBRARIES = libdrm_nexell.la
+libdrm_nexell_ladir = $(libdir)
+libdrm_nexell_la_LDFLAGS = -version-number 1:0:0 -no-undefined
+libdrm_nexell_la_LIBADD = ../libdrm.la
+
+libdrm_nexell_la_SOURCES = \
+	nexell_drm.c
+
+libdrm_nexellcommonincludedir = ${includedir}/nexell
+libdrm_nexellcommoninclude_HEADERS = nexell_drm.h
+libdrm_nexellincludedir = ${includedir}/libdrm
+libdrm_nexellinclude_HEADERS = nexell_drmif.h
+
+pkgconfigdir = @pkgconfigdir@
+pkgconfig_DATA = libdrm_nexell.pc
diff --git a/nexell/libdrm_nexell.pc.in b/nexell/libdrm_nexell.pc.in
new file mode 100644
index 00000000..7e638005
--- /dev/null
+++ b/nexell/libdrm_nexell.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libdrm_nexell
+Description: Userspace interface to nexell kernel DRM services
+Version: 0.7
+Libs: -L${libdir} -ldrm_nexell
+Cflags: -I${includedir} -I${includedir}/libdrm -I${includedir}/nexell
+Requires.private: libdrm
diff --git a/nexell/nexell_drm.c b/nexell/nexell_drm.c
new file mode 100644
index 00000000..8d5bfd7a
--- /dev/null
+++ b/nexell/nexell_drm.c
@@ -0,0 +1,82 @@
+/*
+ * 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdint.h>
+
+#include <xf86drm.h>
+
+#include "nexell_drm.h"
+#include "nexell_drmif.h"
+
+/**
+ * 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 = drmCommandWriteRead(drm_fd, DRM_NX_GEM_CREATE, &arg,
+				     sizeof(arg));
+	if (ret) {
+		perror("drmCommandWriteRead\n");
+		return ret;
+	}
+
+	return arg.handle;
+}
+
+void nx_free_gem(int drm_fd, int gem)
+{
+	struct drm_gem_close arg = {0, };
+
+	arg.handle = gem;
+	drmIoctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &arg);
+}
+
+/**
+ * return dmabuf fd
+ */
+int nx_gem_to_dmafd(int drm_fd, int gem_fd)
+{
+	int ret, fd;
+
+	ret = drmPrimeHandleToFD(drm_fd, gem_fd, 0, &fd);
+	if (ret)
+		return ret;
+
+	return fd;
+}
diff --git a/nexell/nexell_drm.h b/nexell/nexell_drm.h
new file mode 100644
index 00000000..f5ca7544
--- /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.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;
+};
+
+/**
+ * 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
+#define DRM_NX_GEM_GET			0x04
+#define DRM_NX_GEM_SYNC			0x05
+
+#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_SYNC	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_NX_GEM_SYNC, 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 00000000..09a6eb0c
--- /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
+
diff --git a/packaging/libdrm.spec b/packaging/libdrm.spec
index 8a4de9f0..2dc62055 100644
--- a/packaging/libdrm.spec
+++ b/packaging/libdrm.spec
@@ -72,6 +72,7 @@ cp %{SOURCE1001} .
         --disable-radeon \
         --disable-nouveau \
         --enable-exynos-experimental-api \
+        --enable-nexell \
         --enable-install-test-programs \
         --disable-cairo-tests
 
@@ -105,6 +106,7 @@ rm -f %{buildroot}%{_bindir}/kmstest
 %{_libdir}/libdrm.so.*
 %{_libdir}/libdrm_exynos.so.*
 %{_libdir}/libdrm_vigs.so.*
+%{_libdir}/libdrm_nexell.so.*
 
 %files tools
 %manifest %{name}.manifest
@@ -128,6 +130,8 @@ rm -f %{buildroot}%{_bindir}/kmstest
 %{_includedir}/libkms/*.h
 %dir %{_includedir}/exynos
 %{_includedir}/exynos/*.h
+%dir %{_includedir}/nexell
+%{_includedir}/nexell/*.h
 %{_includedir}/*.h
 %{_libdir}/libdrm.so
 %ifarch i586 i686 %ix86 x86_64
@@ -135,6 +139,7 @@ rm -f %{buildroot}%{_bindir}/kmstest
 %endif
 %{_libdir}/libkms.so
 %{_libdir}/libdrm_exynos.so
+%{_libdir}/libdrm_nexell.so
 %{_libdir}/libdrm_vigs.so
 %{_libdir}/pkgconfig/*