gpu: nvgpu: GR and LTC HAL to use const structs

Convert GR and LTC HALs to use const structs, and initialize them
with macros.

Bug 1567274

Change-Id: Ia3f24a5eccb27578d9cba69755f636818d11275c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/590371

1 files changed, 30 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/nvgpu_gpuid.h b/drivers/gpu/nvgpu/nvgpu_gpuid.h
new file mode 100644
index 00000000..391d286e
--- /dev/null
+++ b/drivers/gpu/nvgpu/nvgpu_gpuid.h
@@ -0,0 +1,30 @@
+/*
+ * NVIDIA GPU ID functions, definitions.
+ *
+ * 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.
+ */
+#ifndef _NVGPU_GPUID_H_
+#define _NVGPU_GPUID_H_
+
+#define NVGPU_GPU_ARCHITECTURE_SHIFT 4
+
+/* constructs unique and compact GPUID from nvgpu_gpu_characteristics
+ * arch/impl fields */
+#define NVGPU_GPUID(arch, impl) ((u32) ((arch) | (impl)))
+
+#define NVGPU_GPUID_GK20A \
+        NVGPU_GPUID(NVGPU_GPU_ARCH_GK100, NVGPU_GPU_IMPL_GK20A)
+
+#define NVGPU_GPUID_GM20B \
+        NVGPU_GPUID(NVGPU_GPU_ARCH_GM200, NVGPU_GPU_IMPL_GM20B)
+
+#endif /* _NVGPU_GPU_ID_H_ */