62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* drivers/video/tegra/host/nvhost_acm.h
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*
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* Tegra Graphics Host Automatic Clock Management
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*
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* Copyright (c) 2010-2017, 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_ACM_H
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#define __NVHOST_ACM_H
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#include <linux/workqueue.h>
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#include <linux/wait.h>
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#include <linux/mutex.h>
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#include <linux/clk.h>
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#include <linux/pm_domain.h>
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#include <linux/pm_runtime.h>
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#include <linux/nvhost.h>
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#include "nvhost_pd.h"
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/* Sets clocks and powergating state for a module */
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int nvhost_clk_get(struct platform_device *dev, char *name, struct clk **clk);
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void nvhost_module_busy_noresume(struct platform_device *dev);
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void nvhost_module_reset(struct platform_device *dev, bool reboot);
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int nvhost_module_busy(struct platform_device *dev);
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void nvhost_module_idle_mult(struct platform_device *dev, int refs);
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int nvhost_module_add_client(struct platform_device *dev,
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void *priv);
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void nvhost_module_remove_client(struct platform_device *dev,
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void *priv);
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int nvhost_module_get_rate(struct platform_device *dev,
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unsigned long *rate,
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int index);
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int nvhost_module_set_rate(struct platform_device *dev, void *priv,
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unsigned long constraint, int index, unsigned long attr);
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int nvhost_module_do_idle(struct device *dev);
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int nvhost_module_do_unidle(struct device *dev);
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static inline bool nvhost_module_powered(struct platform_device *dev)
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{
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return !pm_runtime_status_suspended(&dev->dev);
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}
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/* common runtime pm and power domain APIs */
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int nvhost_module_enable_clk(struct device *dev);
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int nvhost_module_disable_clk(struct device *dev);
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#endif
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