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