gpu: nvgpu: Add MC HAL is_intr1_pending

Add MC HAL is_intr1_pending. At the same time introduce nvgpu_unit
that is passed as parameter to is_intr1_pending. The API is passed
contents of intr1 register and an engine number, and returns true
if there's an interrupt pending for the engine.

JIRA NVGPU-26

Change-Id: I8e6363dd78572f8e41dbab2b258036ed168b6f75
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1497870
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/unit.h b/drivers/gpu/nvgpu/include/nvgpu/unit.h
new file mode 100644
index 00000000..e209eb59
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/unit.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+#ifndef __NVGPU_UNITS_H__
+#define __NVGPU_UNITS_H__
+
+/*
+ * Enumeration of all units intended to be used by any HAL that requires
+ * unit as parameter.
+ *
+ * Units are added to the enumeration as needed, so it is not complete.
+ */
+enum nvgpu_unit {
+        NVGPU_UNIT_FIFO,
+};
+
+#endif