1 files changed, 75 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/hal.c b/drivers/gpu/nvgpu/gk20a/hal.c
new file mode 100644
index 00000000..13e6f374
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/hal.c
@@ -0,0 +1,75 @@
+/*
+ * NVIDIA GPU HAL interface.
+ *
+ * Copyright (c) 2014-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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 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 "gk20a.h"
+#include "hal.h"
+#include "gm20b/hal_gm20b.h"
+#include "gp10b/hal_gp10b.h"
+#include "gp106/hal_gp106.h"
+
+#ifdef CONFIG_TEGRA_19x_GPU
+#include "nvgpu_gpuid_t19x.h"
+#endif
+
+#include <nvgpu/log.h>
+
+int gpu_init_hal(struct gk20a *g)
+{
+        u32 ver = g->params.gpu_arch + g->params.gpu_impl;
+        switch (ver) {
+        case GK20A_GPUID_GM20B:
+        case GK20A_GPUID_GM20B_B:
+                gk20a_dbg_info("gm20b detected");
+                if (gm20b_init_hal(g))
+                        return -ENODEV;
+                break;
+#if defined(CONFIG_ARCH_TEGRA_18x_SOC)
+        case NVGPU_GPUID_GP10B:
+                if (gp10b_init_hal(g))
+                        return -ENODEV;
+                break;
+        case NVGPU_GPUID_GP104:
+        case NVGPU_GPUID_GP106:
+                if (gp106_init_hal(g))
+                        return -ENODEV;
+                break;
+#endif
+#ifdef CONFIG_TEGRA_19x_GPU
+        case TEGRA_19x_GPUID:
+                if (TEGRA_19x_GPUID_HAL(g))
+                        return -ENODEV;
+                break;
+        case BIGGPU_19x_GPUID:
+                if (BIGGPU_19x_GPUID_HAL(g))
+                        return -ENODEV;
+                break;
+
+#endif
+        default:
+                nvgpu_err(g, "no support for %x", ver);
+                return -ENODEV;
+        }
+
+        return 0;
+}