include/linux/pch_dma.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Copyright (c) 2010 Intel Corporation
0004  */
0005
0006 #ifndef PCH_DMA_H
0007 #define PCH_DMA_H
0008
0009 #include <linux/dmaengine.h>
0010
0011 enum pch_dma_width {
0012     PCH_DMA_WIDTH_1_BYTE,
0013     PCH_DMA_WIDTH_2_BYTES,
0014     PCH_DMA_WIDTH_4_BYTES,
0015 };
0016
0017 struct pch_dma_slave {
0018     struct device       *dma_dev;
0019     unsigned int        chan_id;
0020     dma_addr_t      tx_reg;
0021     dma_addr_t      rx_reg;
0022     enum pch_dma_width  width;
0023 };
0024
0025 #endif