root/include/linux/pch_dma.h

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/*
 * Copyright (c) 2010 Intel Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#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
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