be1a516dcb
Add snapshot for audio drivers for MSM targets. The code is migrated from msm-3.18 kernel at the below commit/AU level - AU_LINUX_ANDROID_LA.HB.1.3.1.06.00.00.187.056 (e70ad0cd5efdd9dc91a77dcdac31d6132e1315c1) (Promotion of kernel.lnx.3.18-151201.) Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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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 and
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* only version 2 as 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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*/
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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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