43 lines
979 B
C
43 lines
979 B
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
/*
|
||
|
* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
|
||
|
*/
|
||
|
|
||
|
#ifndef SDE_ROTATOR_SMMU_H
|
||
|
#define SDE_ROTATOR_SMMU_H
|
||
|
|
||
|
#include <linux/types.h>
|
||
|
#include <linux/device.h>
|
||
|
#include <linux/dma-buf.h>
|
||
|
|
||
|
#include "sde_rotator_io_util.h"
|
||
|
|
||
|
enum sde_iommu_domain_type {
|
||
|
SDE_IOMMU_DOMAIN_ROT_UNSECURE,
|
||
|
SDE_IOMMU_DOMAIN_ROT_SECURE,
|
||
|
SDE_IOMMU_MAX_DOMAIN
|
||
|
};
|
||
|
|
||
|
int sde_smmu_init(struct device *dev);
|
||
|
|
||
|
static inline int sde_smmu_dma_data_direction(int dir)
|
||
|
{
|
||
|
return dir;
|
||
|
}
|
||
|
|
||
|
int sde_smmu_ctrl(int enable);
|
||
|
|
||
|
struct dma_buf_attachment *sde_smmu_dma_buf_attach(
|
||
|
struct dma_buf *dma_buf, struct device *dev, int domain);
|
||
|
|
||
|
int sde_smmu_map_dma_buf(struct dma_buf *dma_buf,
|
||
|
struct sg_table *table, int domain, dma_addr_t *iova,
|
||
|
unsigned long *size, int dir);
|
||
|
|
||
|
void sde_smmu_unmap_dma_buf(struct sg_table *table, int domain,
|
||
|
int dir, struct dma_buf *dma_buf);
|
||
|
|
||
|
int sde_smmu_secure_ctrl(int enable);
|
||
|
|
||
|
#endif /* SDE_ROTATOR_SMMU_H */
|