1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2015-2016 MediaTek Inc.
4 * Author: Honghui Zhang <honghui.zhang@mediatek.com>
10 #include <linux/clk.h>
11 #include <linux/component.h>
12 #include <linux/device.h>
14 #include <linux/io-pgtable.h>
15 #include <linux/iommu.h>
16 #include <linux/list.h>
17 #include <linux/spinlock.h>
18 #include <soc/mediatek/smi.h>
20 struct mtk_iommu_suspend_reg {
21 u32 standard_axi_mode;
35 struct mtk_iommu_domain;
37 struct mtk_iommu_data {
42 phys_addr_t protect_base; /* protect memory base */
43 struct mtk_iommu_suspend_reg reg;
44 struct mtk_iommu_domain *m4u_dom;
45 struct iommu_group *m4u_group;
46 struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */
48 bool tlb_flush_active;
50 struct iommu_device iommu;
51 enum mtk_iommu_plat m4u_plat;
53 struct list_head list;
56 static inline int compare_of(struct device *dev, void *data)
58 return dev->of_node == data;
61 static inline void release_of(struct device *dev, void *data)
66 static inline int mtk_iommu_bind(struct device *dev)
68 struct mtk_iommu_data *data = dev_get_drvdata(dev);
70 return component_bind_all(dev, &data->smi_imu);
73 static inline void mtk_iommu_unbind(struct device *dev)
75 struct mtk_iommu_data *data = dev_get_drvdata(dev);
77 component_unbind_all(dev, &data->smi_imu);