Open source GPL/LGPL release

drivers/gpu/nvgpu/os/linux/cde_gm20b.c

@@ -0,0 +1,53 @@
+/*
+ * GM20B CDE
+ *
+ * Copyright (c) 2015-2019, 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/>.
+ */
+
+#include <nvgpu/gk20a.h>
+
+#include "cde_gm20b.h"
+
+enum programs {
+	PROG_HPASS              = 0,
+	PROG_VPASS_LARGE        = 1,
+	PROG_VPASS_SMALL        = 2,
+	PROG_HPASS_DEBUG        = 3,
+	PROG_VPASS_LARGE_DEBUG  = 4,
+	PROG_VPASS_SMALL_DEBUG  = 5,
+	PROG_PASSTHROUGH        = 6,
+};
+
+void gm20b_cde_get_program_numbers(struct gk20a *g,
+				   u32 block_height_log2,
+				   u32 shader_parameter,
+				   int *hprog_out, int *vprog_out)
+{
+	int hprog = PROG_HPASS;
+	int vprog = (block_height_log2 >= 2) ?
+		PROG_VPASS_LARGE : PROG_VPASS_SMALL;
+	if (shader_parameter == 1) {
+		hprog = PROG_PASSTHROUGH;
+		vprog = PROG_PASSTHROUGH;
+	} else if (shader_parameter == 2) {
+		hprog = PROG_HPASS_DEBUG;
+		vprog = (block_height_log2 >= 2) ?
+			PROG_VPASS_LARGE_DEBUG :
+			PROG_VPASS_SMALL_DEBUG;
+	}
+
+	*hprog_out = hprog;
+	*vprog_out = vprog;
+}