2 * Copyright (c) 2015-2016 MediaTek Inc.
3 * Author: Honghui Zhang <honghui.zhang@mediatek.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
18 #include <linux/clk.h>
19 #include <linux/component.h>
20 #include <linux/device.h>
22 #include <linux/iommu.h>
23 #include <linux/list.h>
24 #include <linux/spinlock.h>
25 #include <soc/mediatek/smi.h>
27 #include "io-pgtable.h"
29 struct mtk_iommu_suspend_reg {
30 u32 standard_axi_mode;
37 struct mtk_iommu_domain;
39 struct mtk_iommu_data {
44 phys_addr_t protect_base; /* protect memory base */
45 struct mtk_iommu_suspend_reg reg;
46 struct mtk_iommu_domain *m4u_dom;
47 struct iommu_group *m4u_group;
48 struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */
51 struct iommu_device iommu;
54 static inline int compare_of(struct device *dev, void *data)
56 return dev->of_node == data;
59 static inline void release_of(struct device *dev, void *data)
64 static inline int mtk_iommu_bind(struct device *dev)
66 struct mtk_iommu_data *data = dev_get_drvdata(dev);
68 return component_bind_all(dev, &data->smi_imu);
71 static inline void mtk_iommu_unbind(struct device *dev)
73 struct mtk_iommu_data *data = dev_get_drvdata(dev);
75 component_unbind_all(dev, &data->smi_imu);