1 files changed, 64 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/cde_gm20b.c b/drivers/gpu/nvgpu/common/linux/cde_gm20b.c
new file mode 100644
index 00000000..1cd15c54
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/linux/cde_gm20b.c
@@ -0,0 +1,64 @@
+/*
+ * GM20B CDE
+ *
+ * Copyright (c) 2015-2017, 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/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,
+};
+
+static 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;
+}
+
+struct nvgpu_os_linux_ops gm20b_cde_ops = {
+        .cde = {
+                .get_program_numbers = gm20b_cde_get_program_numbers,
+        },
+};