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/*
* 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;
}
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