Open source GPL/LGPL release

drivers/gpu/nvgpu/common/ce/ce.c

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2018-2021, 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/types.h>
+#include <nvgpu/gk20a.h>
+#include <nvgpu/engines.h>
+#include <nvgpu/device.h>
+#include <nvgpu/ce.h>
+#include <nvgpu/power_features/cg.h>
+#include <nvgpu/cic.h>
+#include <nvgpu/mc.h>
+
+int nvgpu_ce_init_support(struct gk20a *g)
+{
+	int err = 0;
+
+	if (g->ops.ce.set_pce2lce_mapping != NULL) {
+		g->ops.ce.set_pce2lce_mapping(g);
+	}
+
+	err = nvgpu_mc_reset_devtype(g, NVGPU_DEVTYPE_LCE);
+	if (err != 0) {
+		nvgpu_err(g, "NVGPU_DEVTYPE_LCE reset failed");
+		return err;
+	}
+
+	nvgpu_cg_slcg_ce2_load_enable(g);
+
+	nvgpu_cg_blcg_ce_load_enable(g);
+
+#if defined(CONFIG_NVGPU_HAL_NON_FUSA) && defined(CONFIG_NVGPU_NEXT)
+	nvgpu_cg_elcg_ce_load_enable(g);
+#endif
+
+	if (g->ops.ce.init_prod_values != NULL) {
+		g->ops.ce.init_prod_values(g);
+	}
+
+	if (g->ops.ce.init_hw != NULL) {
+		g->ops.ce.init_hw(g);
+	}
+
+	if (g->ops.ce.intr_enable != NULL) {
+		g->ops.ce.intr_enable(g, true);
+	}
+
+	/** Enable interrupts at MC level */
+	nvgpu_cic_intr_stall_unit_config(g, NVGPU_CIC_INTR_UNIT_CE, NVGPU_CIC_INTR_ENABLE);
+	nvgpu_cic_intr_nonstall_unit_config(g, NVGPU_CIC_INTR_UNIT_CE, NVGPU_CIC_INTR_ENABLE);
+
+	return 0;
+}