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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
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>
-rw-r--r--drivers/iommu/mtk_iommu.c48
-rw-r--r--drivers/iommu/mtk_iommu.h77
2 files changed, 78 insertions, 47 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 493bd3e0f8db..b12c12d74c33 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -34,7 +34,7 @@
34#include <dt-bindings/memory/mt8173-larb-port.h> 34#include <dt-bindings/memory/mt8173-larb-port.h>
35#include <soc/mediatek/smi.h> 35#include <soc/mediatek/smi.h>
36 36
37#include "io-pgtable.h" 37#include "mtk_iommu.h"
38 38
39#define REG_MMU_PT_BASE_ADDR 0x000 39#define REG_MMU_PT_BASE_ADDR 0x000
40 40
@@ -93,20 +93,6 @@
93 93
94#define MTK_PROTECT_PA_ALIGN 128 94#define MTK_PROTECT_PA_ALIGN 128
95 95
96struct mtk_iommu_suspend_reg {
97 u32 standard_axi_mode;
98 u32 dcm_dis;
99 u32 ctrl_reg;
100 u32 int_control0;
101 u32 int_main_control;
102};
103
104struct mtk_iommu_client_priv {
105 struct list_head client;
106 unsigned int mtk_m4u_id;
107 struct device *m4udev;
108};
109
110struct mtk_iommu_domain { 96struct mtk_iommu_domain {
111 spinlock_t pgtlock; /* lock for page table */ 97 spinlock_t pgtlock; /* lock for page table */
112 98
@@ -116,19 +102,6 @@ struct mtk_iommu_domain {
116 struct iommu_domain domain; 102 struct iommu_domain domain;
117}; 103};
118 104
119struct mtk_iommu_data {
120 void __iomem *base;
121 int irq;
122 struct device *dev;
123 struct clk *bclk;
124 phys_addr_t protect_base; /* protect memory base */
125 struct mtk_iommu_suspend_reg reg;
126 struct mtk_iommu_domain *m4u_dom;
127 struct iommu_group *m4u_group;
128 struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */
129 bool enable_4GB;
130};
131
132static struct iommu_ops mtk_iommu_ops; 105static struct iommu_ops mtk_iommu_ops;
133 106
134static struct mtk_iommu_domain *to_mtk_domain(struct iommu_domain *dom) 107static struct mtk_iommu_domain *to_mtk_domain(struct iommu_domain *dom)
@@ -551,25 +524,6 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
551 return 0; 524 return 0;
552} 525}
553 526
554static int compare_of(struct device *dev, void *data)
555{
556 return dev->of_node == data;
557}
558
559static int mtk_iommu_bind(struct device *dev)
560{
561 struct mtk_iommu_data *data = dev_get_drvdata(dev);
562
563 return component_bind_all(dev, &data->smi_imu);
564}
565
566static void mtk_iommu_unbind(struct device *dev)
567{
568 struct mtk_iommu_data *data = dev_get_drvdata(dev);
569
570 component_unbind_all(dev, &data->smi_imu);
571}
572
573static const struct component_master_ops mtk_iommu_com_ops = { 527static const struct component_master_ops mtk_iommu_com_ops = {
574 .bind = mtk_iommu_bind, 528 .bind = mtk_iommu_bind,
575 .unbind = mtk_iommu_unbind, 529 .unbind = mtk_iommu_unbind,
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