1 files changed, 109 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/therm_gk20a.c b/drivers/gpu/nvgpu/gk20a/therm_gk20a.c
new file mode 100644
index 00000000..de5d0f78
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/therm_gk20a.c
@@ -0,0 +1,109 @@
+/*
+ * GK20A Therm
+ *
+ * Copyright (c) 2011-2017, 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 <nvgpu/enabled.h>
+
+#include "gk20a.h"
+
+#include <nvgpu/hw/gk20a/hw_gr_gk20a.h>
+#include <nvgpu/hw/gk20a/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;
+}
+
+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;
+
+#ifdef CONFIG_DEBUG_FS
+        if (g->ops.therm.therm_debugfs_init)
+            g->ops.therm.therm_debugfs_init(g);
+#endif
+
+        return err;
+}
+
+int gk20a_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 (nvgpu_is_enabled(g, NVGPU_IS_FMODEL)) {
+                        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));
+                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;
+}