include: linux: import gk20a.h from kernel-3.18

include/linux/gk20a.h was missed while spliting the nvgpu driver off.
This patch imports it into the nvgpu repo.

bug 200187033

Change-Id: I0622091348c1b6e19f592a1807a19739dc1f9cd0
Signed-off-by: Alex Van Brunt <avanbrunt@nvidia.com>
Reviewed-on: http://git-master/r/1119271

1 files changed, 41 insertions, 0 deletions

diff --git a/include/linux/gk20a.h b/include/linux/gk20a.h
new file mode 100644
index 00000000..7532d70e
--- /dev/null
+++ b/include/linux/gk20a.h
@@ -0,0 +1,41 @@
+/*
+ * gk20a GPU driver
+ *
+ * Copyright (c) 2014, NVIDIA Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GK20A_H
+#define __GK20A_H
+
+#include <linux/errno.h>
+
+struct channel_gk20a;
+struct platform_device;
+
+#ifdef CONFIG_GK20A
+int nvhost_vpr_info_fetch(void);
+void gk20a_debug_dump_device(struct platform_device *pdev);
+int gk20a_do_idle(void);
+int gk20a_do_unidle(void);
+#else
+static inline void gk20a_debug_dump_device(struct platform_device *pdev) {}
+static inline int nvhost_vpr_info_fetch(void)
+{
+        return -ENOSYS;
+}
+static inline int gk20a_do_idle(void) { return -ENOSYS; }
+static inline int gk20a_do_unidle(void) { return -ENOSYS; }
+#endif
+#endif