40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
|
/*
|
||
|
|
* include/linux/tegra_smmu.h
|
||
|
|
*
|
||
|
|
* Copyright (c) 2011-2016, NVIDIA CORPORATION. All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is licensed under the terms of the GNU General Public
|
||
|
|
* License version 2, as published by the Free Software Foundation, and
|
||
|
|
* may be copied, distributed, and modified under those terms.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __INCLUDE_LINUX_TEGRA_SMMU_H
|
||
|
|
#define __INCLUDE_LINUX_TEGRA_SMMU_H
|
||
|
|
|
||
|
|
#include <linux/iommu.h>
|
||
|
|
|
||
|
|
#if defined(CONFIG_TEGRA_IOMMU_SMMU)
|
||
|
|
int tegra_smmu_save(void);
|
||
|
|
int tegra_smmu_restore(void);
|
||
|
|
#else
|
||
|
|
static inline int tegra_smmu_save(void) { return 0; }
|
||
|
|
static inline int tegra_smmu_restore(void) { return 0; }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Maximum number of iommu address spaces in the system */
|
||
|
|
#define TEGRA_IOMMU_NUM_ASIDS NUM_ASIDS
|
||
|
|
void tegra_smmu_unmap_misc_device(struct device *dev);
|
||
|
|
void tegra_smmu_map_misc_device(struct device *dev);
|
||
|
|
|
||
|
|
extern u64 tegra_smmu_fixup_swgids(struct device *dev,
|
||
|
|
struct iommu_linear_map **map);
|
||
|
|
|
||
|
|
#endif /* __INCLUDE_LINUX_TEGRA_SMMU_H */
|
||
|
|
|