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004a1880ed
Add required fileds and values for thermal slow-down settings in thermal header file and implemented chip specific thermal register programming Reviewed-on: http://git-master/r/822199 (cherry picked from commit 9e8a745b8295af002b9780c83caa8dc7b22cc737) Change-Id: I016b18ed230fa6c104eada2e166ccd1a5f2ace36 Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: http://git-master/r/823012 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/*
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* drivers/video/tegra/host/gk20a/therm_gk20a.c
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*
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* GK20A Therm
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*
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* Copyright (c) 2011-2015, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "gk20a.h"
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#include "hw_gr_gk20a.h"
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#include "hw_therm_gk20a.h"
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static int gk20a_init_therm_reset_enable_hw(struct gk20a *g)
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{
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return 0;
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}
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static int gk20a_init_therm_setup_sw(struct gk20a *g)
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{
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return 0;
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}
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static int gk20a_init_therm_setup_hw(struct gk20a *g)
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{
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u32 v;
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/* program NV_THERM registers */
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gk20a_writel(g, therm_use_a_r(), therm_use_a_ext_therm_0_enable_f() |
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therm_use_a_ext_therm_1_enable_f() |
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therm_use_a_ext_therm_2_enable_f());
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/* priority for EXT_THERM_0 event set to highest */
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gk20a_writel(g, therm_evt_ext_therm_0_r(),
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therm_evt_ext_therm_0_slow_factor_f(1) |
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therm_evt_ext_therm_0_priority_f(3));
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gk20a_writel(g, therm_evt_ext_therm_1_r(),
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therm_evt_ext_therm_1_slow_factor_f(2) |
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therm_evt_ext_therm_1_priority_f(2));
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gk20a_writel(g, therm_evt_ext_therm_2_r(),
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therm_evt_ext_therm_2_slow_factor_f(3) |
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therm_evt_ext_therm_2_priority_f(1));
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gk20a_writel(g, therm_grad_stepping_table_r(0),
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therm_grad_stepping_table_slowdown_factor0_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by1p5_f()) |
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therm_grad_stepping_table_slowdown_factor1_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by2_f()) |
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therm_grad_stepping_table_slowdown_factor2_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by4_f()) |
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therm_grad_stepping_table_slowdown_factor3_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
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therm_grad_stepping_table_slowdown_factor4_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
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gk20a_writel(g, therm_grad_stepping_table_r(1),
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therm_grad_stepping_table_slowdown_factor0_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
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therm_grad_stepping_table_slowdown_factor1_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
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therm_grad_stepping_table_slowdown_factor2_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
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therm_grad_stepping_table_slowdown_factor3_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
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therm_grad_stepping_table_slowdown_factor4_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
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v = gk20a_readl(g, therm_clk_timing_r(0));
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v |= therm_clk_timing_grad_slowdown_enabled_f();
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gk20a_writel(g, therm_clk_timing_r(0), v);
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v = gk20a_readl(g, therm_config2_r());
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v |= therm_config2_grad_enable_f(1);
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v |= therm_config2_slowdown_factor_extended_f(1);
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gk20a_writel(g, therm_config2_r(), v);
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gk20a_writel(g, therm_grad_stepping1_r(),
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therm_grad_stepping1_pdiv_duration_f(32));
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v = gk20a_readl(g, therm_grad_stepping0_r());
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v |= therm_grad_stepping0_feature_enable_f();
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gk20a_writel(g, therm_grad_stepping0_r(), v);
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return 0;
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}
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int gk20a_init_therm_support(struct gk20a *g)
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{
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u32 err;
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gk20a_dbg_fn("");
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err = gk20a_init_therm_reset_enable_hw(g);
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if (err)
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return err;
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err = gk20a_init_therm_setup_sw(g);
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if (err)
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return err;
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if (g->ops.therm.init_therm_setup_hw)
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err = g->ops.therm.init_therm_setup_hw(g);
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if (err)
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return err;
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return err;
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}
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void gk20a_init_therm_ops(struct gpu_ops *gops)
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{
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gops->therm.init_therm_setup_hw = gk20a_init_therm_setup_hw;
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}
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