| /* |
| * soc-hda-dma.h - Generic dma header |
| * |
| * Copyright (c) 2014 Intel Corporation |
| * Author: Jeeja KP <jeeja.kp@intel.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * 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 _SOUND_HDA_DMA_H_ |
| #define _SOUND_HDA_DMA_H_ |
| |
| struct dma_desc { |
| int fmt; |
| unsigned int playback:1; |
| unsigned int id:4; |
| unsigned int started:1; |
| unsigned int padding:26; |
| }; |
| |
| void azx_set_dma_decouple_mode(struct azx *chip); |
| int azx_link_dma_reset(struct azx *chip, struct azx_dev *azx_dev); |
| void azx_host_dma_stop(struct azx *chip, struct azx_dev *azx_dev); |
| void azx_host_dma_start(struct azx *chip, struct azx_dev *azx_dev); |
| |
| int azx_alloc_dma_locked(struct azx *chip, struct dma_desc *dma); |
| int azx_release_dma_locked(struct azx *chip, struct dma_desc *dma); |
| int azx_dma_decouple(struct azx *chip, struct azx_dev *azx_dev, |
| bool decouple); |
| int azx_link_dma_reset_locked(struct azx *chip, struct dma_desc *dma); |
| int azx_link_dma_run_ctrl(struct azx *chip, struct azx_dev *azx_dev, bool run); |
| int azx_link_dma_set_stream_id(struct azx *chip, struct azx_dev *azx_dev); |
| int azx_link_dma_set_format(struct azx *chip, struct azx_dev *azx_dev, int fmt); |
| int azx_host_dma_reset_locked(struct azx *chip, struct dma_desc *dma); |
| void azx_host_dma_reset(struct azx *chip, struct azx_dev *azx_dev); |
| int azx_host_dma_run_ctrl_locked(struct azx *chip, struct dma_desc *dma, |
| bool run); |
| void azx_host_dma_set_stream_id(struct azx *chip, |
| struct azx_dev *azx_dev); |
| void azx_host_dma_set_format(struct azx *chip, struct azx_dev *azx_dev, |
| int fmt); |
| |
| #endif /* _SOC__HDA_DMA_H__*/ |
