Open source GPL/LGPL release

2025-12-25 02:52:51 +03:00 · 2022-02-15 09:37:14 -08:00
commit d3b5c6a57c
2490 changed files with 683529 additions and 0 deletions
--- a/drivers/gpu/nvgpu/gk20a/therm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/therm_gk20a.c
@@ -0,0 +1,113 @@
+/*
+ * drivers/video/tegra/host/gk20a/therm_gk20a.c
+ *
+ * GK20A Therm
+ *
+ * Copyright (c) 2011-2016, 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "gk20a.h"
+#include "hw_gr_gk20a.h"
+#include "hw_therm_gk20a.h"
+
+static int gk20a_init_therm_reset_enable_hw(struct gk20a *g)
+{
+	return 0;
+}
+
+static int gk20a_init_therm_setup_sw(struct gk20a *g)
+{
+	return 0;
+}
+
+static int gk20a_init_therm_setup_hw(struct gk20a *g)
+{
+	u32 v;
+
+	/* program NV_THERM registers */
+	gk20a_writel(g, therm_use_a_r(), therm_use_a_ext_therm_0_enable_f() |
+			therm_use_a_ext_therm_1_enable_f()  |
+			therm_use_a_ext_therm_2_enable_f());
+	/* priority for EXT_THERM_0 event set to highest */
+	gk20a_writel(g, therm_evt_ext_therm_0_r(),
+		therm_evt_ext_therm_0_slow_factor_f(0x2) |
+		therm_evt_ext_therm_0_priority_f(3));
+	gk20a_writel(g, therm_evt_ext_therm_1_r(),
+		therm_evt_ext_therm_1_slow_factor_f(0x6) |
+		therm_evt_ext_therm_1_priority_f(2));
+	gk20a_writel(g, therm_evt_ext_therm_2_r(),
+		therm_evt_ext_therm_2_slow_factor_f(0xe) |
+		therm_evt_ext_therm_2_priority_f(1));
+
+
+	gk20a_writel(g, therm_grad_stepping_table_r(0),
+		therm_grad_stepping_table_slowdown_factor0_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by1p5_f()) |
+		therm_grad_stepping_table_slowdown_factor1_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by2_f()) |
+		therm_grad_stepping_table_slowdown_factor2_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by4_f()) |
+		therm_grad_stepping_table_slowdown_factor3_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+		therm_grad_stepping_table_slowdown_factor4_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
+	gk20a_writel(g, therm_grad_stepping_table_r(1),
+		therm_grad_stepping_table_slowdown_factor0_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+		therm_grad_stepping_table_slowdown_factor1_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+		therm_grad_stepping_table_slowdown_factor2_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+		therm_grad_stepping_table_slowdown_factor3_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+		therm_grad_stepping_table_slowdown_factor4_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
+
+	v = gk20a_readl(g, therm_clk_timing_r(0));
+	v |= therm_clk_timing_grad_slowdown_enabled_f();
+	gk20a_writel(g, therm_clk_timing_r(0), v);
+
+	v = gk20a_readl(g, therm_config2_r());
+	v |= therm_config2_grad_enable_f(1);
+	v |= therm_config2_slowdown_factor_extended_f(1);
+	gk20a_writel(g, therm_config2_r(), v);
+
+	gk20a_writel(g, therm_grad_stepping1_r(),
+			therm_grad_stepping1_pdiv_duration_f(32));
+
+	v = gk20a_readl(g, therm_grad_stepping0_r());
+	v |= therm_grad_stepping0_feature_enable_f();
+	gk20a_writel(g, therm_grad_stepping0_r(), v);
+
+	return 0;
+}
+
+int gk20a_init_therm_support(struct gk20a *g)
+{
+	u32 err;
+
+	gk20a_dbg_fn("");
+
+	err = gk20a_init_therm_reset_enable_hw(g);
+	if (err)
+		return err;
+
+	err = gk20a_init_therm_setup_sw(g);
+	if (err)
+		return err;
+
+	if (g->ops.therm.init_therm_setup_hw)
+		err = g->ops.therm.init_therm_setup_hw(g);
+	if (err)
+		return err;
+
+	return err;
+}
+
+void gk20a_init_therm_ops(struct gpu_ops *gops)
+{
+	gops->therm.init_therm_setup_hw = gk20a_init_therm_setup_hw;
+}