Open source GPL/LGPL release

drivers/gpu/nvgpu/common/acr/acr_wpr.c

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2019, 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 <nvgpu/gk20a.h>
+#include <nvgpu/types.h>
+#include <nvgpu/dma.h>
+
+#include "acr_wpr.h"
+
+/* Both size and address of WPR need to be 128K-aligned */
+#define DGPU_WPR_SIZE 0x200000U
+
+void nvgpu_acr_wpr_info_sys(struct gk20a *g, struct wpr_carveout_info *inf)
+{
+	g->ops.fb.read_wpr_info(g, &inf->wpr_base, &inf->size);
+}
+#ifdef CONFIG_NVGPU_DGPU
+void nvgpu_acr_wpr_info_vid(struct gk20a *g, struct wpr_carveout_info *inf)
+{
+	inf->wpr_base = g->mm.vidmem.bootstrap_base;
+	inf->nonwpr_base = inf->wpr_base + DGPU_WPR_SIZE;
+	inf->size = DGPU_WPR_SIZE;
+}
+#endif