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cc8e05c215
Do not build clock code if TEGRA_CLK_FRAMEWORK is not defined. Also make GK20A_DEVFREQ depend on TEGRA_CLK_FRAMEWORK, and build scaling governor only if GK20A_DEVFREQ is enabled. Bug 1567274 Change-Id: I6ea1462e7a110fb46c9d66ceda71167cff19699e Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/562475
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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* gk20a clock scaling profile
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*
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* Copyright (c) 2013-2014, 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GK20A_SCALE_H
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#define GK20A_SCALE_H
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#include <linux/devfreq.h>
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struct platform_device;
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struct clk;
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struct gk20a_scale_profile {
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struct platform_device *pdev;
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ktime_t last_event_time;
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struct devfreq_dev_profile devfreq_profile;
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struct devfreq_dev_status dev_stat;
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struct notifier_block qos_notify_block;
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void *private_data;
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};
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/* Initialization and de-initialization for module */
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void gk20a_scale_init(struct platform_device *);
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void gk20a_scale_hw_init(struct platform_device *pdev);
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#ifdef CONFIG_GK20A_DEVFREQ
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/*
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* call when performing submit to notify scaling mechanism that the module is
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* in use
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*/
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void gk20a_scale_notify_busy(struct platform_device *);
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void gk20a_scale_notify_idle(struct platform_device *);
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void gk20a_scale_suspend(struct platform_device *);
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void gk20a_scale_resume(struct platform_device *);
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#else
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static inline void gk20a_scale_notify_busy(struct platform_device *pdev) {}
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static inline void gk20a_scale_notify_idle(struct platform_device *pdev) {}
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static inline void gk20a_scale_suspend(struct platform_device *pdev) {}
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static inline void gk20a_scale_resume(struct platform_device *pdev) {}
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#endif
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#endif
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