[linux.git] / drivers / iommu / shmobile-ipmmu.h

/* shmobile-ipmmu.h
 *
 * Copyright (C) 2012  Hideki EIRAKU
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 */

#ifndef __SHMOBILE_IPMMU_H__
#define __SHMOBILE_IPMMU_H__

struct shmobile_ipmmu {
	struct device *dev;
	void __iomem *ipmmu_base;
	int tlb_enabled;
	spinlock_t flush_lock;
	const char * const *dev_names;
	unsigned int num_dev_names;
};

#ifdef CONFIG_SHMOBILE_IPMMU_TLB
void ipmmu_tlb_flush(struct shmobile_ipmmu *ipmmu);
void ipmmu_tlb_set(struct shmobile_ipmmu *ipmmu, unsigned long phys, int size,
		   int asid);
int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu);
#else
static inline int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu)
{
	return -EINVAL;
}
#endif

#endif /* __SHMOBILE_IPMMU_H__ */
Commit	Line	Data
c2c460f7 HE	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;
e87c621d	17	spinlock_t flush_lock;
c2c460f7 HE	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__ */