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37 lines
915 B
37 lines
915 B
3 years ago
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2014, 2017 The Linux Foundation. All rights reserved.
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*
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*/
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#ifndef _MSM_SLIMBUS_DMA_H
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#define _MSM_SLIMBUS_DMA_H
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#include <linux/slimbus/slimbus.h>
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/*
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* struct msm_slim_dma_data - DMA data for slimbus data transfer
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*
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* @sdev: Handle to the slim_device instance associated with the
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* data transfer.
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* @ph: Port handle for the slimbus ports.
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* @dai_channel_ctl: callback function into the CPU dai driver
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* to setup the data path.
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*
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* This structure is used to share the slimbus port handles and
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* other data path setup related handles with other drivers.
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*/
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struct msm_slim_dma_data {
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/* Handle to slimbus device */
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struct slim_device *sdev;
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/* Port Handle */
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u32 ph;
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/* Callback for data channel control */
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int (*dai_channel_ctl)(struct msm_slim_dma_data *dma_data,
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struct snd_soc_dai *dai, bool enable);
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};
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#endif
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