/* * Copyright (c) 2014, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only 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. * */ #ifndef _MSM_SLIMBUS_DMA_H #define _MSM_SLIMBUS_DMA_H #include /* * 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