diff options
author | Honghui Zhang <honghui.zhang@mediatek.com> | 2016-06-08 05:50:58 -0400 |
---|---|---|
committer | Joerg Roedel <jroedel@suse.de> | 2016-06-21 05:36:19 -0400 |
commit | 9ca340c98c0dc6cb60b5ebd7847302f57648f0ba (patch) | |
tree | 0ad4bb2df4a2efb9c0c804b580b76972cf4d9714 /drivers/iommu/mtk_iommu.h | |
parent | 7e42626ad3f4540143e68ba41e5e553f2715b451 (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.h | 77 |
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 | |||
29 | struct 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 | |||
37 | struct mtk_iommu_client_priv { | ||
38 | struct list_head client; | ||
39 | unsigned int mtk_m4u_id; | ||
40 | struct device *m4udev; | ||
41 | }; | ||
42 | |||
43 | struct mtk_iommu_domain; | ||
44 | |||
45 | struct 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 | |||
58 | static int compare_of(struct device *dev, void *data) | ||
59 | { | ||
60 | return dev->of_node == data; | ||
61 | } | ||
62 | |||
63 | static 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 | |||
70 | static 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 | ||