1 files changed, 130 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/therm_gp10b.c b/drivers/gpu/nvgpu/gp10b/therm_gp10b.c
new file mode 100644
index 00000000..7f43cb56
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp10b/therm_gp10b.c
@@ -0,0 +1,130 @@
+/*
+ * drivers/gpu/nvgpu/gm20b/therm_gk20a.c
+ *
+ * GP10B Therm
+ *
+ * Copyright (c) 2015-2016, 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.
+ */
+
+#include "gk20a/gk20a.h"
+#include "hw_therm_gp10b.h"
+
+static int gp10b_init_therm_setup_hw(struct gk20a *g)
+{
+        u32 v;
+
+        gk20a_dbg_fn("");
+
+        /* 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());
+        gk20a_writel(g, therm_evt_ext_therm_0_r(),
+                therm_evt_ext_therm_0_slow_factor_f(0x2));
+        gk20a_writel(g, therm_evt_ext_therm_1_r(),
+                therm_evt_ext_therm_1_slow_factor_f(0x6));
+        gk20a_writel(g, therm_evt_ext_therm_2_r(),
+                therm_evt_ext_therm_2_slow_factor_f(0xe));
+
+        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;
+}
+
+static int gp10b_elcg_init_idle_filters(struct gk20a *g)
+{
+        u32 gate_ctrl, idle_filter;
+        u32 engine_id;
+        u32 active_engine_id = 0;
+        struct fifo_gk20a *f = &g->fifo;
+
+        gk20a_dbg_fn("");
+
+        for (engine_id = 0; engine_id < f->num_engines; engine_id++) {
+                active_engine_id = f->active_engines_list[engine_id];
+                gate_ctrl = gk20a_readl(g, therm_gate_ctrl_r(active_engine_id));
+
+                if (tegra_platform_is_linsim()) {
+                        gate_ctrl = set_field(gate_ctrl,
+                                therm_gate_ctrl_eng_delay_after_m(),
+                                therm_gate_ctrl_eng_delay_after_f(4));
+                }
+
+                /* 2 * (1 << 9) = 1024 clks */
+                gate_ctrl = set_field(gate_ctrl,
+                        therm_gate_ctrl_eng_idle_filt_exp_m(),
+                        therm_gate_ctrl_eng_idle_filt_exp_f(9));
+                gate_ctrl = set_field(gate_ctrl,
+                        therm_gate_ctrl_eng_idle_filt_mant_m(),
+                        therm_gate_ctrl_eng_idle_filt_mant_f(2));
+                gate_ctrl = set_field(gate_ctrl,
+                        therm_gate_ctrl_eng_delay_before_m(),
+                        therm_gate_ctrl_eng_delay_before_f(4));
+                gk20a_writel(g, therm_gate_ctrl_r(active_engine_id), gate_ctrl);
+        }
+
+        /* default fecs_idle_filter to 0 */
+        idle_filter = gk20a_readl(g, therm_fecs_idle_filter_r());
+        idle_filter &= ~therm_fecs_idle_filter_value_m();
+        gk20a_writel(g, therm_fecs_idle_filter_r(), idle_filter);
+        /* default hubmmu_idle_filter to 0 */
+        idle_filter = gk20a_readl(g, therm_hubmmu_idle_filter_r());
+        idle_filter &= ~therm_hubmmu_idle_filter_value_m();
+        gk20a_writel(g, therm_hubmmu_idle_filter_r(), idle_filter);
+
+        gk20a_dbg_fn("done");
+        return 0;
+}
+
+void gp10b_init_therm_ops(struct gpu_ops *gops)
+{
+        gops->therm.init_therm_setup_hw = gp10b_init_therm_setup_hw;
+        gops->therm.elcg_init_idle_filters = gp10b_elcg_init_idle_filters;
+}