| /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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 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); |
| |
| #endif /* SDE_ROTATOR_SMMU_H */ |