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/*
* drivers/video/tegra/host/gr3d/scale3d.h
*
* Tegra Graphics Host 3D Clock Scaling
*
* Copyright (c) 2010-2014, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef NVHOST_T30_SCALE3D_H
#define NVHOST_T30_SCALE3D_H
struct nvhost_device_profile;
struct platform_device;
struct device;
struct dentry;
struct clk;
struct nvhost_emc_params {
long emc_slope;
long emc_offset;
long emc_dip_slope;
long emc_dip_offset;
long emc_xmid;
bool linear;
};
/* Suspend is called when powering down module */
void nvhost_scale3d_suspend(struct device *);
/* Initialization and de-initialization for module */
void nvhost_scale3d_init(struct platform_device *pdev);
void nvhost_scale3d_deinit(struct platform_device *pdev);
/* Callback for generic profile. The callback handles setting
* the frequencies of EMC and the second 3d unit (if available) */
void nvhost_scale3d_callback(struct nvhost_device_profile *profile,
unsigned long freq);
void nvhost_scale3d_calibrate_emc(struct nvhost_emc_params *emc_params,
struct clk *clk_3d, struct clk *clk_3d_emc,
bool linear_emc);
long nvhost_scale3d_get_emc_rate(struct nvhost_emc_params *emc_params,
long freq);
#endif
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