83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* drivers/video/tegra/host/gr3d/scale_emc.h
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*
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* Tegra Graphics Host 3D Clock Scaling
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*
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* Copyright (c) 2010-2015, 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 NVHOST_SCALE_H
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#define NVHOST_SCALE_H
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#include <linux/nvhost.h>
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#include <linux/devfreq.h>
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struct platform_device;
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struct host1x_actmon;
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struct clk;
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/*
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* profile_rec - Device specific power management variables
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*/
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struct nvhost_device_profile {
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struct platform_device *pdev;
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struct host1x_actmon **actmon;
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struct clk *clk;
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bool busy;
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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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void *private_data;
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struct notifier_block qos_notify_block;
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int num_actmons;
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};
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#if defined(CONFIG_TEGRA_GRHOST_SCALE)
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/* Initialization and de-initialization for module */
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void nvhost_scale_init(struct platform_device *);
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void nvhost_scale_deinit(struct platform_device *);
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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 nvhost_scale_notify_busy(struct platform_device *);
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void nvhost_scale_notify_idle(struct platform_device *);
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int nvhost_scale_hw_init(struct platform_device *);
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void nvhost_scale_hw_deinit(struct platform_device *);
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void nvhost_actmon_debug_init(struct host1x_actmon *actmon,
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struct dentry *de);
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#else
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static inline void nvhost_scale_init(struct platform_device *d) { }
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static inline void nvhost_scale_deinit(struct platform_device *d) { }
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static inline void nvhost_scale_notify_busy(struct platform_device *d) { }
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static inline void nvhost_scale_notify_idle(struct platform_device *d) { }
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static inline int nvhost_scale_hw_init(struct platform_device *d)
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{
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return 0;
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}
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static inline void nvhost_scale_hw_deinit(struct platform_device *d) { }
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#endif
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#endif
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