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37 lines
999 B
37 lines
999 B
/*
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* Copyright (c) 2010 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef PCH_DMA_H
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#define PCH_DMA_H
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#include <linux/dmaengine.h>
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enum pch_dma_width {
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PCH_DMA_WIDTH_1_BYTE,
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PCH_DMA_WIDTH_2_BYTES,
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PCH_DMA_WIDTH_4_BYTES,
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};
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struct pch_dma_slave {
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struct device *dma_dev;
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unsigned int chan_id;
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dma_addr_t tx_reg;
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dma_addr_t rx_reg;
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enum pch_dma_width width;
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};
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#endif
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