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acde16dd16
Update scaling driver to support to differnt clock frameworks. Bug 200147662 Reviewed-on: http://git-master/r/816929 (cherry picked from commit cbd4cb575fb2d27870089797ff2a8f22540b87e8) Change-Id: Ie50304b4a593d74bd43b271005cc9616fdb52a6e Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: http://git-master/r/834748 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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* gk20a clock scaling profile
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*
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* Copyright (c) 2013-2015, 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
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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_exit(struct platform_device *);
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void gk20a_scale_hw_init(struct platform_device *pdev);
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#if defined(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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