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