| Hideki EIRAKU | c2c460f | 2013-01-21 19:54:26 +0900 | [diff] [blame] | 1 | /* shmobile-ipmmu.h |
| 2 | * |
| 3 | * Copyright (C) 2012 Hideki EIRAKU |
| 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 as published by |
| 7 | * the Free Software Foundation; version 2 of the License. |
| 8 | */ |
| 9 | |
| 10 | #ifndef __SHMOBILE_IPMMU_H__ |
| 11 | #define __SHMOBILE_IPMMU_H__ |
| 12 | |
| 13 | struct shmobile_ipmmu { |
| 14 | struct device *dev; |
| 15 | void __iomem *ipmmu_base; |
| 16 | int tlb_enabled; |
| Laurent Pinchart | e87c621 | 2013-12-17 18:18:50 +0100 | [diff] [blame] | 17 | spinlock_t flush_lock; |
| Hideki EIRAKU | c2c460f | 2013-01-21 19:54:26 +0900 | [diff] [blame] | 18 | const char * const *dev_names; |
| 19 | unsigned int num_dev_names; |
| 20 | }; |
| 21 | |
| 22 | #ifdef CONFIG_SHMOBILE_IPMMU_TLB |
| 23 | void ipmmu_tlb_flush(struct shmobile_ipmmu *ipmmu); |
| 24 | void ipmmu_tlb_set(struct shmobile_ipmmu *ipmmu, unsigned long phys, int size, |
| 25 | int asid); |
| 26 | int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu); |
| 27 | #else |
| 28 | static inline int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu) |
| 29 | { |
| 30 | return -EINVAL; |
| 31 | } |
| 32 | #endif |
| 33 | |
| 34 | #endif /* __SHMOBILE_IPMMU_H__ */ |