Release 4.11 drivers/iommu/mtk_iommu.h

/*
 * Copyright (c) 2015-2016 MediaTek Inc.
 * Author: Honghui Zhang <honghui.zhang@mediatek.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that 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.
 */

#ifndef _MTK_IOMMU_H_

#define _MTK_IOMMU_H_

#include <linux/clk.h>
#include <linux/component.h>
#include <linux/device.h>
#include <linux/io.h>
#include <linux/iommu.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <soc/mediatek/smi.h>

#include "io-pgtable.h"


struct mtk_iommu_suspend_reg {
	
u32				standard_axi_mode;
	
u32				dcm_dis;
	
u32				ctrl_reg;
	
u32				int_control0;
	
u32				int_main_control;
};

struct mtk_iommu_domain;


struct mtk_iommu_data {
	
void __iomem			*base;
	
int				irq;
	
struct device			*dev;
	
struct clk			*bclk;
	
phys_addr_t			protect_base; /* protect memory base */
	
struct mtk_iommu_suspend_reg	reg;
	
struct mtk_iommu_domain		*m4u_dom;
	
struct iommu_group		*m4u_group;
	
struct mtk_smi_iommu		smi_imu;      /* SMI larb iommu info */
	
bool                            enable_4GB;

	
struct iommu_device		iommu;
};



static inline int compare_of(struct device *dev, void *data)
{
	return dev->of_node == data;
}

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Joerg Roedel
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static inline void release_of(struct device *dev, void *data)
{
	of_node_put(data);
}

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static inline int mtk_iommu_bind(struct device *dev)
{
	struct mtk_iommu_data *data = dev_get_drvdata(dev);

	return component_bind_all(dev, &data->smi_imu);
}

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Joerg Roedel
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3.03%
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static inline void mtk_iommu_unbind(struct device *dev)
{
	struct mtk_iommu_data *data = dev_get_drvdata(dev);

	component_unbind_all(dev, &data->smi_imu);
}

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#endif
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Russell King
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Joerg Roedel
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Directory: drivers/iommu

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