1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * omap iommu: simple virtual address space management
4 *
5 * Copyright (C) 2008-2009 Nokia Corporation
6 *
7 * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
8 */
9
10 #ifndef _OMAP_IOMMU_H_
11 #define _OMAP_IOMMU_H_
12
13 struct iommu_domain;
14
15 #ifdef CONFIG_OMAP_IOMMU
16 extern void omap_iommu_save_ctx(struct device *dev);
17 extern void omap_iommu_restore_ctx(struct device *dev);
18
19 int omap_iommu_domain_deactivate(struct iommu_domain *domain);
20 int omap_iommu_domain_activate(struct iommu_domain *domain);
21 #else
22 static inline void omap_iommu_save_ctx(struct device *dev) {}
23 static inline void omap_iommu_restore_ctx(struct device *dev) {}
24
25 static inline int omap_iommu_domain_deactivate(struct iommu_domain *domain)
26 {
27 return -ENODEV;
28 }
29
30 static inline int omap_iommu_domain_activate(struct iommu_domain *domain)
31 {
32 return -ENODEV;
33 }
34 #endif
35
36 #endif
37
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