imx: gallium driver for imx-drm scanout driver

Changes from V1 -> V2:
 - updated Copyright
 - added $(top_srcdir)/src/gallium/winsys to include path (suggested by Emil)
 - adapted driver to new renderonly API

Signed-off-by: Christian Gmeiner <[email protected]>
Acked-by: Emil Velikov <[email protected]>

4 files changed, 120 insertions, 0 deletions

diff --git a/src/gallium/winsys/imx/drm/Makefile.am b/src/gallium/winsys/imx/drm/Makefile.am
new file mode 100644
index 00000000000..ad3d0b79a90
--- /dev/null
+++ b/src/gallium/winsys/imx/drm/Makefile.am
@@ -0,0 +1,33 @@
+# Copyright © 2012 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 (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
+# 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.
+
+include Makefile.sources
+include $(top_srcdir)/src/gallium/Automake.inc
+
+AM_CFLAGS = \
+	-I$(top_srcdir)/src/gallium/drivers \
+	-I$(top_srcdir)/src/gallium/winsys \
+	$(GALLIUM_WINSYS_CFLAGS)
+
+noinst_LTLIBRARIES = libimxdrm.la
+
+libimxdrm_la_SOURCES = $(C_SOURCES)
diff --git a/src/gallium/winsys/imx/drm/Makefile.sources b/src/gallium/winsys/imx/drm/Makefile.sources
new file mode 100644
index 00000000000..677ac79126d
--- /dev/null
+++ b/src/gallium/winsys/imx/drm/Makefile.sources
@@ -0,0 +1,3 @@
+C_SOURCES := \
+   imx_drm_public.h \
+   imx_drm_winsys.c
diff --git a/src/gallium/winsys/imx/drm/imx_drm_public.h b/src/gallium/winsys/imx/drm/imx_drm_public.h
new file mode 100644
index 00000000000..e213f6c6bc3
--- /dev/null
+++ b/src/gallium/winsys/imx/drm/imx_drm_public.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 Christian Gmeiner <[email protected]>
+ *
+ * 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 (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 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.
+ *
+ * Authors:
+ *    Christian Gmeiner <[email protected]>
+ */
+
+#ifndef __IMX_DRM_PUBLIC_H__
+#define __IMX_DRM_PUBLIC_H__
+
+struct pipe_screen;
+
+struct pipe_screen *imx_drm_screen_create(int fd);
+
+#endif /* __IMX_DRM_PUBLIC_H__ */
diff --git a/src/gallium/winsys/imx/drm/imx_drm_winsys.c b/src/gallium/winsys/imx/drm/imx_drm_winsys.c
new file mode 100644
index 00000000000..cd72610b955
--- /dev/null
+++ b/src/gallium/winsys/imx/drm/imx_drm_winsys.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2016 Christian Gmeiner <[email protected]>
+ *
+ * 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 (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 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.
+ *
+ * Authors:
+ *    Christian Gmeiner <[email protected]>
+ */
+
+#include "imx_drm_public.h"
+#include "etnaviv/drm/etnaviv_drm_public.h"
+#include "renderonly/renderonly.h"
+
+#include <fcntl.h>
+#include <unistd.h>
+
+struct pipe_screen *imx_drm_screen_create(int fd)
+{
+   struct renderonly ro = {
+      .create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
+      .kms_fd = fd,
+      .gpu_fd = open("/dev/dri/renderD128", O_RDWR | O_CLOEXEC)
+   };
+
+   if (ro.gpu_fd < 0)
+      return NULL;
+
+   struct pipe_screen *screen = etna_drm_screen_create_renderonly(&ro);
+   if (!screen)
+      close(ro.gpu_fd);
+
+   return screen;
+}