aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iommu/mtk_iommu.h
diff options
context:
space:
mode:
authorHonghui Zhang <honghui.zhang@mediatek.com>2016-06-08 05:50:58 -0400
committerJoerg Roedel <jroedel@suse.de>2016-06-21 05:36:19 -0400
commit9ca340c98c0dc6cb60b5ebd7847302f57648f0ba (patch)
tree0ad4bb2df4a2efb9c0c804b580b76972cf4d9714 /drivers/iommu/mtk_iommu.h
parent7e42626ad3f4540143e68ba41e5e553f2715b451 (diff)
iommu/mediatek: move the common struct into header file
Move the struct defines of mtk iommu into a new header files for common use. Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/mtk_iommu.h')
-rw-r--r--drivers/iommu/mtk_iommu.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
new file mode 100644
index 000000000000..9ed0a8462ccf
--- /dev/null
+++ b/drivers/iommu/mtk_iommu.h
@@ -0,0 +1,77 @@
1/*
2 * Copyright (c) 2015-2016 MediaTek Inc.
3 * Author: Honghui Zhang <honghui.zhang@mediatek.com>
4 *
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.
8 *
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.
13 */
14
15#ifndef _MTK_IOMMU_H_
16#define _MTK_IOMMU_H_
17
18#include <linux/clk.h>
19#include <linux/component.h>
20#include <linux/device.h>
21#include <linux/io.h>
22#include <linux/iommu.h>
23#include <linux/list.h>
24#include <linux/spinlock.h>
25#include <soc/mediatek/smi.h>
26
27#include "io-pgtable.h"
28
29struct mtk_iommu_suspend_reg {
30 u32 standard_axi_mode;
31 u32 dcm_dis;
32 u32 ctrl_reg;
33 u32 int_control0;
34 u32 int_main_control;
35};
36
37struct mtk_iommu_client_priv {
38 struct list_head client;
39 unsigned int mtk_m4u_id;
40 struct device *m4udev;
41};
42
43struct mtk_iommu_domain;
44
45struct mtk_iommu_data {
46 void __iomem *base;
47 int irq;
48 struct device *dev;
49 struct clk *bclk;
50 phys_addr_t protect_base; /* protect memory base */
51 struct mtk_iommu_suspend_reg reg;
52 struct mtk_iommu_domain *m4u_dom;
53 struct iommu_group *m4u_group;
54 struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */
55 bool enable_4GB;
56};
57
58static int compare_of(struct device *dev, void *data)
59{
60 return dev->of_node == data;
61}
62
63static int mtk_iommu_bind(struct device *dev)
64{
65 struct mtk_iommu_data *data = dev_get_drvdata(dev);
66
67 return component_bind_all(dev, &data->smi_imu);
68}
69
70static void mtk_iommu_unbind(struct device *dev)
71{
72 struct mtk_iommu_data *data = dev_get_drvdata(dev);
73
74 component_unbind_all(dev, &data->smi_imu);
75}
76
77#endif