/* SPDX-License-Identifier: GPL-2.0-only */
  /*
   * Copyright (c) 2010 Intel Corporation
   */
  
  #ifndef PCH_DMA_H
  #define PCH_DMA_H
  
  #include <linux/dmaengine.h>
  
  enum pch_dma_width {
  	PCH_DMA_WIDTH_1_BYTE,
  	PCH_DMA_WIDTH_2_BYTES,
  	PCH_DMA_WIDTH_4_BYTES,
  };
  
  struct pch_dma_slave {
  	struct device		*dma_dev;
  	unsigned int		chan_id;
  	dma_addr_t		tx_reg;
  	dma_addr_t		rx_reg;
  	enum pch_dma_width	width;
  };
  
  #endif