drivers/iommu/shmobile-ipmmu.h

   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;
  17         struct mutex flush_lock;
  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__ */