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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (c) 2010 Intel Corporation4 */5 6#ifndef PCH_DMA_H7#define PCH_DMA_H8 9#include <linux/dmaengine.h>10 11enum pch_dma_width {12 PCH_DMA_WIDTH_1_BYTE,13 PCH_DMA_WIDTH_2_BYTES,14 PCH_DMA_WIDTH_4_BYTES,15};16 17struct pch_dma_slave {18 struct device *dma_dev;19 unsigned int chan_id;20 dma_addr_t tx_reg;21 dma_addr_t rx_reg;22 enum pch_dma_width width;23};24 25#endif26