| /* |
| * SPDX-FileCopyrightText: Copyright 2023-2024 Arm Limited and/or its affiliates <open-source-office@arm.com> |
| * SPDX-License-Identifier: GPL-2.0-only |
| * |
| * This program is free software and is provided to you under the terms of the |
| * GNU General Public License version 2 as published by the Free Software |
| * Foundation, and any use by you of this program is subject to the terms |
| * of such GNU licence. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, you can access it online at |
| * http://www.gnu.org/licenses/gpl-2.0.html. |
| */ |
| |
| #ifndef ETHOSU_DMA_MEM_H |
| #define ETHOSU_DMA_MEM_H |
| |
| /**************************************************************************** |
| * Includes |
| ****************************************************************************/ |
| |
| #include <linux/types.h> |
| |
| /**************************************************************************** |
| * Types |
| ****************************************************************************/ |
| |
| struct device; |
| |
| /** |
| * struct ethosu_dma_mem - DMA memory allocation |
| * @dev: Device |
| * @size: Size of the allocation |
| * @cpu_addr: Kernel mapped address |
| * @dma_addr: DMA address |
| */ |
| struct ethosu_dma_mem { |
| struct device *dev; |
| size_t size; |
| void *cpu_addr; |
| dma_addr_t dma_addr; |
| }; |
| |
| /**************************************************************************** |
| * Functions |
| ****************************************************************************/ |
| |
| struct ethosu_dma_mem *ethosu_dma_mem_alloc(struct device *dev, |
| size_t size); |
| |
| void ethosu_dma_mem_free(struct ethosu_dma_mem **dma_mem); |
| |
| #endif /* ETHOSU_DMA_MEM_H */ |